H.C.So, *Spontaneous and Explicit Estimation of Time Delays in the Absence/Presence of Multipath Propagation*, Ph.D. dissertation, Department of Electronic Engineering, The Chinese University of Hong Kong, 1995

- H.C.So,
*Digital Signal Processing: Foundations, Transforms and Filters, with Hands-on MATLAB Illustrations*, Asian Customized Edition, McGraw Hill, 2010 - H.C.So, "Source localization: Algorithms and analysis,"
*Handbook of Position Location: Theory, Practice and Advances*, Chapter 2, S.A.Zekavat and M.Buehrer, Eds., Wiley-IEEE Press, 2011 (DOI: 10.1002/9781118104750.ch2) Companion Presentation - C.S.Leung, H.C.So, F.K.W.Chan and A.G.Constantinides, "Analog neural network approach for source localization using time-of-arrival measurements,"
*Lecture Notes in Computer Science*, vol.7664, pp.234-241, November 2012, Springer, Heidelberg - W.Freitas, Jr., A.L.F.de Almeida, J.P.C.L.da Costa, K.Liu and H.C.So, "Multiantenna multicarrier transceiver architectures,"
*Resource Allocation and MIMO for 4G and Beyond*, Chapter 8, F.R.P.Cavalcanti, Ed., Springer, 2014 - Z.-F.Han, R.Feng, L.-T.Huang, Y.Xiao, C.S.Leung and H.C.So, "Tensor completion based on structural information,"
*Lecture Notes in Computer Science*, vol.8835, pp.479-486, November 2014, Springer, Heidelberg - Z.-F.Han, C.S.Leung, H.C.So, J.Sum and A.G.Constantinides, "Non-line-of-sight mitigation via Lagrange programming neural networks in TOA-based Localization,"
*Lecture Notes in Computer Science*, vol.9491, pp.190-197, November 2015, Springer, Heidelberg - H.C.So, "Source localization: Algorithms and analysis,"
*Handbook of Position Location: Theory, Practice and Advances*, Chapter 3, S.A.Zekavat and M.Buehrer, Eds., Wiley-IEEE Press, 2019 (DOI: 10.1002/9781119434610.ch3) Companion Presentation

- H.C.So and P.C.Ching, "Target localization in the presence of multipaths,"
*Electronics Letters*, vol.29, no.3, pp.293-294, Feb. 1993 - H.C.So, P.C.Ching and Y.T.Chan, "A new algorithm for explicit adaptation of time delay,"
*IEEE Transactions on Signal Processing*, vol.42, pp.1816-1820, July 1994 - P.C.Ching and H.C.So, "Two adaptive algorithms for multipath time delay estimation,"
*IEEE Journal of Oceanic Engineering*, vol.19, pp.458-463, July 1994 - H.C.So and P.C.Ching, "Convergence dynamics of an adaptive time delay estimator in multipath channels,"
*IEEE Transactions on Aerospace and Electronic Systems*, vol. 33, no.3, pp. 1071-1076, July 1997 - H.C.So, "Adaptive algorithm for sinusoidal interference cancellation,"
*Electronics Letters*, vol. 33, no.22, pp.1910-1912, Oct. 1997 - H.C.So "Fast algorithm for nonstationary delay estimation,"
*Electronics Letters*, vol.34, no.8, pp.722-723, April 1998 - H.C.So "Adaptive TDOA estimation in the presence of impulsive noise,"
*Electronics Letters*, vol.34, no.15, pp.1455-1456, July 1998 - H.C.So, "Adaptive cancellation of multiple interfering sinusoids,"
*Electronics Letters*, vol.34, no.24, pp.2301-2303, November 1998 - H.C.So and P.C.Ching, "Performance analysis of ETDGE - an efficient and unbiased TDOA estimator for source localization,"
*IEE Proceedings - Radar, Sonar and Navigation*, vol.145, no.6, pp.325-330, December 1998 - Y.T.Chan, H.C.So and P.C.Ching, "Approximate maximum-likelihood delay estimation via orthogonal wavelet transform,"
*IEEE Transactions on Signal Processing*, vol.47, no.4, pp.1193-1198, April 1999 - H.C.So, "Modified LMS algorithm for unbiased impulse response estimation in nonstationary noise,"
*Electronics Letters*, vol.35, no.10, pp.791-792, May 1999. - H.C.So, Y.T.Chan, Q.Ma and P.C.Ching, "Comparison of various periodograms for sinusoid detection and frequency estimation,"
*IEEE Transactions on Aerospace and Electronic Systems*, vol.35, no.3, pp.945-952, July 1999 - P.C.Ching, H.C.So and S.Q.Wu, "On wavelet denoising and its application to time delay estimation,"
*IEEE Transactions on Signal Processing*, vol.47, no.10, pp.2879-2882, Oct. 1999 - H.C.So, "Comparison of DDE and ETDGE for time-varying delay estimation,"
*Electronics Letters*, vol.35, no.23, pp.1994-1995, Nov. 1999 - K.K.Tse, H.S.H.Chung, S.Y.R.Hui, and H.C.So, "Analysis and spectral characteristics of a spread-spectrum technique for conducted EMI suppression,"
*IEEE Transactions on Power Electronics*, vol.15, no.2 pp.399-410, March 2000 - H.C.So, "Adaptive algorithm for direct estimation of sinusoidal frequency,"
*Electronics Letters*, vol.36, no.8, pp.759-760, April 2000 - K.K.Tse, H.S.H.Chung, S.Y.R.Hui and H.C.So, "A comparative investigation on the use of random switching schemes for DC/DC converters,"
*IEEE Transactions on Industrial Electronics*, vol.47, no.2, pp.253-263, April 2000 - K.K.Tse, H.S.H.Chung, S.Y.R.Hui and H.C.So, "Spectral characteristics of randomly switched PWM DC/DC converters operating in discontinuous conduction mode,"
*IEEE Transactions on Industrial Electronics*, vol.47, no.4, pp.759-769, August 2000 - H.C.So and P.C.Ching, "A comparative study of five LMS-based adaptive algorithms for nonstationary delay estimation,"
*IEE Proceedings - Radar, Sonar and Navigation*, vol.148, no.1, pp.9-15, Feb. 2001 - H.C.So, "LMS algorithm for unbiased parameter estimation of noisy autoregressive signals,"
*Electronics Letters*, vol.37, no.8, pp.536-537, April 2001 - Y.T.Chan, Q.Yuan, H.C.So and R.Inkol, "Detection of stochastic signals in the frequency domain,"
*IEEE Transactions on Aerospace and Electronic Systems*, vol.37, no.3, pp.978-988, July 2001 - H.C.So, "On time delay estimation using an FIR filter,"
*Signal Processing*, vol.81, pp.1777-1782, August 2001 - H.C.So, "LMS-based algorithm for unbiased FIR filtering with noisy measurements,"
*Electronics Letters*, vol.37, no.23, pp.1418-1420, November 2001 - H.C.So, "Time delay estimation for sinusoidal signals,"
*IEE Proceedings - Radar, Sonar and Navigation*, vol.148, no.6, pp.318-324, Dec. 2001 - H.C.So, W.-K.Ma and Y.T.Chan, "Detection of random signals via spectrum matching,"
*IEEE Transactions on Aerospace and Electronics System*, vol.38, no.1, pp.301-307, January 2002 - K.K.Tse, H.S.H.Chung, S.Y.R.Hui and H.C.So, "A comparative study of carrier frequency modulation techniques for conducted EMI suppression in PWM converters,"
*IEEE Transactions on Industrial Electronics*, vol.49, no.3, pp.618-627, June 2002 - H.C.So, "Noisy input-output system approach for time delay estimation,"
*Signal Processing*, vol.82, no.10, pp.1471-1476, Oct. 2002 - K.W.Chan and H.C.So, "An exact analysis of Pisarenko's single-tone frequency estimation algorithm,"
*Signal Processing*, vol.83, no.3, pp.685-690, March 2003 - L.Zhang, H.C.So, Li Ping and G.liao, "Effective beamformer for coherent signal reception,"
*Electronics Letters*, vol.39, no.13, pp.949-951, June 2003 - H.C.So and Y.T.Chan, "Analysis of an LMS algorithm for unbiased impulse response estimation,"
*IEEE Transactions on Signal Processing*, vol.51, no.7, pp.2008-2013, July 2003 - S.M.Savaresi, S.Bittanti and H.C.So, "Closed-form unbiased frequency estimation of a noisy sinusoid using notch filters,"
*IEEE Transactions on Automatic Control*, vol.48, no.7, pp.1285-1292, July 2003 - H.C.So, "Analysis of an adaptive algorithm for unbiased multipath time delay estimation,"
*IEEE Transactions on Aerospace and Electronic Systems*, vol.39, no.3, pp.777-785, July 2003 - Y.Wu, G.liao and H.C.So, "A fast algorithm for 2-D direction-of-arrival estimation,"
*Signal Processing*, vol.83, no.8, pp.1827-1831, August 2003. - H.C.So and E.M.K.Shiu, "Performance of TOA-AOA hybrid mobile location,"
*IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences*, vol.E86-A, no.8, pp.2136-2138, Aug. 2003 - H.C.So, "A comparative study of three recursive least squares algorithms for single-tone frequency tracking,"
*Signal Processing*, vol.83, no.9, pp.2059-2062, Sept. 2003 - W.Yu, H.C.So and P.C.Ching, "Joint time delay and frequency estimation via state-space realization,"
*IEEE Signal Processing Letters*, vol.10, no.11, pp.339-342, Nov. 2003 - H.C.So and Y.Wu, "Fast algorithm for high resolution frequency estimation of multiple real sinusoids,"
*IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences*, vol.E86-A, no.11, pp.2891-2893, Nov. 2003 - H.C.So and S.P.Hui, "Constrained location algorithm using TDOA measurements,"
*IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences*, vol.E86-A, no.12, pp.3291-3293, Dec. 2003 - Li Ping, L.Zhang and H.C.So, "On a hybrid beamforming/space-time coding scheme,"
*IEEE Communications Letters*, vol.8, no.1, pp.15-17, Jan. 2004 - K.W.Cheung, H.C.So, W.-K.Ma and Y.T.Chan, "Least squares algorithms for time-of-arrival based mobile location,"
*IEEE Transactions on Signal Processing*, vol.52, no.4, pp.1121-1128, April 2004 Companion Presentation - H.C.So and K.W.Chan, "Reformulation of Pisarenko harmonic decomposition method for single-tone frequency estimation,"
*IEEE Transactions on Signal Processing*, vol.52, no.4, pp.1128-1135, April 2004 Companion Presentation - H.C.So, "Sign-sign algorithm for unbiased IIR filtering in impulsive noise,"
*Electronics Letters*, vol.40, no.11, pp. 704 - 705, May 2004 - K.W.Chan and H.C.So, "Accurate frequency estimation for real harmonic sinusoids,"
*IEEE Signal Processing Letters*, vol.11, no.7, pp.609-612, July 2004 - L.Zhang, H.C.So, Li Ping and G.Liao, "Adaptive multiple-beamformers for reception of coherent signals with known directions in the presence of uncorrelated interferences,"
*Signal Processing*, vol.84, no.10, pp.1861-1873, October 2004 - H.C.So and P.C.Ching, "Adaptive algorithm for direct frequency estimation,"
*IEE Proceedings - Radar, Sonar and Navigation*, vol.151, no.6, pp.359-364, December 2004 - H.C.So and C.T.Leung, "A simple improvement to Tufts-Kumaresan method for multiple sinusoidal frequency estimation,"
*IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences*, vol.E88-A, no.1, pp.381-383, Jan. 2005 - K.W.Cheung and H.C.So, "A multidimensional scaling framework for mobile location using time-of-arrival measurements,"
*IEEE Transactions on Signal Processing*, vol.53, no.2, pp.460-470, Feb. 2005 Fig.5 Fig.6 - H.C.So, K.W.Chan, Y.T.Chan and K.C.Ho, "Linear prediction approach for efficient frequency estimation of multiple real sinusoids: algorithms and analyses,"
*IEEE Transactions on Signal Processing*, vol.53, no.7, pp.2290-2305, July 2005 Companion Presentation - H.C.So, "Implementation of exact maximum likelihood phase estimators for a single real sinusoid in white Gaussian noise,"
*IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences*, vol.E88-A, no.7, pp.2019-2022, July 2005 - H.C.So and Y.T.Chan, "Short-time frequency estimation of a real sinusoid,"
*IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences*, vol.E88-A, no.9, pp.2455-2459, Sept. 2005 - H.C.So, "A comparative study of two discrete-time phase delay estimators,"
*IEEE Transactions on Instrumentation and Measurement*, vol.54, no.6, pp.2501-2504, December 2005 - H.C.So, "On linear least squares approach for phase estimation of real sinusoidal signals,"
*IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences*, vol.E88-A, no.12, pp.3654-3657, December 2005 - H.C.So, W.-K.Ma, A.Farina, F.Gini and W.Y.Tsui, "On four suboptimal quadratic detectors for random signals,"
*IEICE Transactions on Communications*, vol.E88-B, no.12, pp.4527-4533, December 2005 - Y.T.Chan, W.Y.Tsui, H.C.So and P.C.Ching, "Time-of-arrival based localization under NLOS conditions,"
*IEEE Transactions on Vehicular Technology*, vol.55, no.1, pp.17-24, January 2006 - H.C.So and K.W.Chan, "A generalized weighted linear predictor frequency estimation approach for a complex sinusoid,"
*IEEE Transactions on Signal Processing*, vol.54, no.4, pp.1304-1315, April 2006 Companion Presentation - H.C.So and K.W.Chan, "Approximate maximum likelihood algorithms for two-dimensional frequency estimation of a complex sinusoid,"
*IEEE Transactions on Signal Processing*, vol.54, no.8, pp.3231-3237, August 2006 - K.W.Cheung, H.C.So, W.-K.Ma and Y.T.Chan, "A constrained least squares approach to mobile positioning: algorithms and optimality,"
*EURASIP Journal on Advances in Signal Processing*, vol.2006, Article ID 20858, pp.1-23, 2006 Companion Presentation - H.C.So, Y.T.Chan, K.C.Ho, and K.W.Chan, "Unbiased equation-error based algorithms for efficient system identification using noisy measurements,"
*Signal Processing*, vol.87, pp.1014-1030, May 2007 - Y.Wu, H.C.So, C.Hou and J.Li, "Passive localization of near-field sources with a polarization sensitive array,"
*IEEE Transactions on Antennas and Propagation*, vol.55, no.8, pp.2402-2408, August 2007 - K.W.K.Lui and H.C.So, "Performance of modified covariance estimator for a single real tone,"
*IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences*, vol.E90-A, no.9, pp.2021-2023, September 2007 - H.C.So and K.W.Chan, "A generalized subspace approach for mobile positioning with time-of-arrival measurements,"
*IEEE Transactions on Signal Processing*, vol.55, no.10, pp.5103-5107, October 2007 Companion Presentation - K.W.K.Lui and H.C.So, "Improved variant of Pisarenko harmonic decomposition for single sinusoidal frequency estimation,"
*IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences*, vol.E90-A, no.11, pp.2604-2607, November 2007 - J.Zheng, K.W.K.Lui and H.C.So, "Accurate three-step algorithm for joint source position and propagation speed estimation,"
*Signal Processing*, vol.87, pp.3096-3100, December 2007 - J.Zheng, K.W.K.Lui, W.-K.Ma and H.C.So, "Two simplified recursive Gauss-Newton algorithms for direct amplitude and phase tracking of a real sinusoid,"
*IEEE Signal Processing Letters*, vol.14, no.12, pp.984-987, December 2007 - M.Chakraborty and H.C.So and J.Zheng, "New adaptive algorithm for delay estimation of sinusoidal signals,"
*IEEE Signal Processing Letters*, vol.14, no.12, pp.972-975, December 2007 - C.W.Sung, K.W.K.Lui, K.W.Shum, and H.C.So, "Sum capacity of one-sided parallel Gaussian interference channels,"
*IEEE Transactions on Information Theory*, vol.54, no.1, pp.468-472, January 2008 - T.Pitschel, H.C.So and J.Zheng, "New adaptive algorithm for unbiased and direct estimation of sinusoidal frequency,"
*IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences*, vol.E91-A, no.3, pp.872-874, March 2008 - K.W.K.Lui and H.C.So, "Single sinusoidal frequency estimation using second and fourth order linear prediction errors,"
*IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences*, vol.E91-A, no.3, pp.875-878, March 2008 - T.C.T.Chan, H.C.So and K.C.Ho "Generalized two-sided linear prediction approach for land mine detection,"
*Signal Processing*, vol.88 pp.1053-1060, April 2008 - Y.Wu and H.C.So, "Simple and accurate two-dimensional angle estimation for a single source with uniform circular array,"
*IEEE Antennas and Wireless Propagation Letters*, vol.7, pp.78-80, 2008 - H.C.So, Y.T.Chan and F.K.W.Chan, "Closed-form formulae for optimum time difference of arrival based localization,"
*IEEE Transactions on Signal Processing*, vol.56, no.6, pp.2614-2620, June 2008 - F.K.W.Chan, H.C.So, J.Zheng and K.W.K.Lui, "On best linear unbiased estimator approach for time-of-arrival based localization,"
*IET - Signal Processing*, vol.2, no.2, pp.156-162, June 2008 Companion Presentation - K.W.K.Lui and H.C.So, "Two-stage autocorrelation approach for accurate single sinusoidal frequency estimation,"
*Signal Processing*, vol.88, no.7, pp.1852-1857, July 2008 - K.W.K.Lui and H.C.So, "Modified Pisarenko harmonic decomposition for single-tone frequency estimation,"
*IEEE Transactions on Signal Processing*, vol.56, no.7, pp.3351-3356, July 2008 - H.Chen, K.Sezaki, P.Deng and H.C.So, "An improved DV-hop localization algorithm with reduced node location error for wireless sensor networks,"
*IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences*, vol.E91-A, no.8, pp.2232-2236, August 2008 - K.W.K.Lui, H.C.So and G. Chen, "The π sequence as a complex network,"
*Physica A: Statistical Mechanics and its Applications*, vol.387, no.22, pp.5653-5661, September 2008 - Y.Wu, H.C.So and H.Q.Liu, "Subspace-based algorithm for parameter estimation of polynomial phase signals,"
*IEEE Transactions on Signal Processing*, vol.56, no.10, pp.4977-4983, October 2008 - Md.T.Amin, K.W.K.Lui and H.C.So, "Fast tracking of a real sinusoid with multiple forgetting factors,"
*IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences*, vol.E91-A, no.11, pp.3374-3379, November 2008 - W.Ng, T.C.T.Chan, H.C.So and K.C.Ho, "Particle filtering based approach for landmine detection using ground penetrating radar,"
*IEEE Transactions on Geoscience and Remote Sensing*, vol.46, no.11, pp.3739-3755, November 2008 - F.K.W.Chan, H.C.So and W.-K.Ma, "A novel subspace approach for cooperative localization in wireless sensor networks using range measurements,"
*IEEE Transactions on Signal Processing*, vol.57, no.1, pp.260-269, January 2009 - K.W.K.Lui, W.-K.Ma, H.C.So and F.K.W.Chan, "Semi-definite programming algorithms for sensor network node localization with uncertainties in anchor positions and/or propagation speed,"
*IEEE Transactions on Signal Processing*, vol.57, no.2, pp.752-763, February 2009 - Y.Wu, H.Q.Liu and H.C.So, "Fast and accurate direction-of-arrival estimation for a single source,"
*Progress In Electromagnetics Research C*, vol.6, pp.13-20, 2009 - K.W.K.Lui, F.K.W.Chan and H.C.So, "Semi-definite programming approach for range-difference based source localization,"
*IEEE Transactions on Signal Processing*, vol.57, no.4, pp.1630-1633, April 2009 - K.W.K.Lui and H.C.So, "A study of two-dimensional sensor placement using time-difference-of-arrival measurements,"
*Digital Signal Processing*, vol.19, no.4, pp.650-659, July 2009 - T.K.C.Lo and H.C.So, "Theoretical study of impact localization limits in tangible acoustic interface applications,"
*IET Electronics Letters*, vol.45, no.16, pp.856-858, July 2009 - W.Ng, C.Ji, W.-K.Ma and H.C.So, "A study on particle filters for single-tone frequency tracking,"
*IEEE Transactions on Aerospace and Electronic Systems*, vol.45, no.3, pp.1111-1125, July 2009 - Y.Wu, H.C.So and Y.Tan, "Joint time-delay and frequency estimation using parallel factor analysis,"
*Signal Processing*, vol.89, pp.1667-1670, August 2009 - K.W.K.Lui, F.K.W.Chan and H.C.So, "Accurate time delay estimation based passive localization,"
*Signal Processing*, vol.89, pp.1835-1838, September 2009 - H.C.So, Md.T.Amin and F.K.W.Chan, "Accurate and simple estimator for lossy wave equation,"
*IEEE Signal Processing Letters*, vol.16, no.9, pp.798-801, September 2009 - L.Huang, T.Long, E.Mao and H.C.So, "MMSE-based MDL method for accurate source number estimation,"
*IEEE Signal Processing Letters*, vol.16, no.9, pp.790-793, September 2009 - Y.Wu, H.C.So and C.Hou, "Passive near-field source localization based on spatial-temporal structure,"
*Progress In Electromagnetics Research C*, vol.8, pp.27-41, 2009 - H.Q.Liu, H.C.So, K.W.K.Lui and F.K.W.Chan, "Sensor selection for target tracking in sensor networks,"
*Progress In Electromagnetics Research*, vol.95, pp.267-282, 2009 - F.K.W.Chan and H.C.So, "Accurate distributed range-based positioning algorithm for wireless sensor networks,"
*IEEE Transactions on Signal Processing*, vol.57, no.10, pp.4100-4105, October 2009 - L.Huang, T.Long, E.Mao and H.C.So, "MMSE-based MDL method for robust estimation of the number of sources without eigendecomposition,"
*IEEE Transactions on Signal Processing*, vol.57, no.10, pp.4135-4142, October 2009 - H.Q.Liu and H.C.So, "Target tracking with line-of-sight identification in sensor networks under unknown measurement noises,"
*Progress In Electromagnetics Research*, vol.95, pp.267-282, 2009 - F.K.W.Chan and H.C.So, "Efficient weighted multidimensional scaling for wireless sensor network localization,"
*IEEE Transactions on Signal Processing*, vol.57, no.11, pp.4548-4553, November 2009 - H.Q.Liu, F.K.W.Chan and H.C.So, "Non-line-of-sight mobile positioning using factor graphs,"
*IEEE Transactions on Vehicular Technology*, vol.58, no.9, pp.5279-5283, November 2009 - H.Q.Liu, H.C.So, F.K.W.Chan and K.W.K.Lui, "Distributed particle filter for target tracking in sensor networks,"
*Progress In Electromagnetics Research C*, , vol.11, pp.171-182, 2009 - R.Tan, G.Xing, J.Wang and H.C.So, "Exploiting reactive mobility for collaborative target detection in wireless sensor networks,"
*IEEE Transactions on Mobile Computing*vol.9, no.3, pp.317-332, March 2010 - Y.T.Chan, T.K.C.Lo and H.C.So, "Passive range-difference estimation in a dispersive medium,"
*IEEE Transactions on Signal Processing*, vol.58, no.3, pp.1433-1439, March 2010 - F.K.W.Chan, H.C.So, S.-C.Chan, W.H.Lau and C.F.Chan "Accurate parameter estimation for wave equation,"
*Progress In Electromagnetics Research*, vol.102, pp.31-48, 2010 - K.W.K.Lui and H.C.So, "Semi-definite programming for real root finding,"
*IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences*, vol.E93-A, no.3, pp.636-639, March 2010 - K.W.K.Lui, H.C.So and W.-K.Ma,"Maximum a posteriori approach to time-of-arrival based localization in non-line-of-sight environment,"
*IEEE Transactions on Vehicular Technology*, vol.59, no.3, pp.1517-1523, March 2010 - H.C.So, F.K.W.Chan, W.H.Lau and C.F.Chan, "An efficient approach for two-dimensional parameter estimation of a single-tone,"
*IEEE Transactions on Signal Processing*, vol.58, no.4, pp.1999-2009, April 2010 Companion Presentation - F.K.W.Chan, H.C.So, Md.T.Amin, C.F.Chan and W.H.Lau, "Iterative quadratic maximum likelihood based estimator for a biased sinusoid,"
*Signal Processing*, vol.90, no.6, pp.2083-2086, June 2010 - K.W.K.Lui and H.C.So, "Semi-definite programming for approximate maximum likelihood sinusoidal parameter estimation,"
*EURASIP Journal on Advances in Signal Processing*, vol.2010, Article ID 178785, pp.1-19, 2010 - F.K.W.Chan, H.C.So, W.H.Lau and C.F.Chan, "Efficient approach for sinusoidal frequency estimation of gapped data,"
*IEEE Signal Processing Letters*, vol.17, no.6, pp.611-614, June 2010 - K.W.K.Lui and H.C.So, "Time delay estimator based on frequency estimation approach,"
*IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences*, vol.E93-A, no.6, pp.1248-1250, June 2010 - K.W.K.Lui and H.C.So, "Range-based source localization with a pure reflector in the presence of multipath propagation,"
*Electronics Letters*, vol.46, no.13, pp.957-958, June 2010 - W.Sun and H.C.So, "Maximum likelihood parameter estimator for a nonuniformly-sampled real sinusoid,"
*IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences*, vol.E93-A, no.10, pp.1813-1815, October 2010 - G.Xing, J.Wang, Z.Yuan, R.Tan, L.Sun, Q.Huang, X.Jia and H.C.So, "Mobile scheduling for spatiotemporal detection in wireless sensor networks,"
*IEEE Transactions on Parallel and Distributed Systems*, vol.21, no.12, pp.1851-1866, December 2010 - H.C.So, F.K.W.Chan and W.Sun, "Subspace approach for fast and accurate single-tone frequency estimation,"
*IEEE Transactions on Signal Processing*, vol.59, no.2, pp.827-831, February 2011 (DOI: 10.1109/TSP.2010.2090875) - H.C.So and K.W.K.Lui, "On optimum single-tone frequency estimation using nonuniform samples,"
*IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences*, vol.E94-A, no.2, pp.823-825, February 2011 - H.C.So and H.Q.Liu, "Improved single-tone frequency estimation by averaging and weighted linear prediction,"
*ETRI Journal*, vol.33, no.1, pp.27-31, February 2011 - F.K.W.Chan, H.C.So, W.H.Lau and C.F.Chan, "Structured total least squares approach for efficient frequency estimation,"
*Signal Processing*, vol.91, no.4, pp.1043-1047, April 2011 - W.Ng and H.C.So, "Multiple-model based particle filters for frequency tracking in alpha-stable noise,"
*IEEE Transactions on Aerospace and Electronic Systems*, vol.47, no.3, pp.2254-2261, July 2011 (DOI: 10.1109/TAES.2011.5937299) - H.C.So and L.Lin, "Linear least squares approach for accurate received signal strength based source localization,"
*IEEE Transactions on Signal Processing*, vol.59, no.8, pp.4035-4040, August 2011 (DOI: 10.1109/TSP.2011.2152400) Companion Presentation - L.Huang, Y.Wu, H.C.So and Y.Zhang, "2-D frequency estimation of multiple damped sinusoids using subspace and projection separation approaches,"
*IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences*, vol.E94-A, no.9, pp.1842-1846, September 2011 - H.Chen, G.Wang, Z.Wang, H.C.So and H.V.Poor, "Non-line-of-sight node localization based on semi-definite programming in wireless sensor networks,"
*IEEE Transactions on Wireless Communications*, vol.11, no.1, pp.108-116, January 2012 (DOI: 10.1109/TWC.2011.110811.101739) - R.Chen, C.F.Chan and H.C.So, "Model-based speech enhancement with improved spectral envelope estimation via dynamics tracking,"
*IEEE Transactions on Audio, Speech and Language Processing*, vol.20, no.4, pp.1324-1336, May 2012 (DOI: 10.1109/TASL.2011.2177821) - Z.Zhou and H.C.So, "Linear prediction approach to oversampling parameter estimation for multiple complex sinusoids,"
*Signal Processing*, vol.92, no.6, pp.1458-1466, June 2012 - L.Lin, M.Shen, H.C.So and C.Q.Chang, "Convergence analysis for initial conditionestimation in coupled map lattice systems,"
*IEEE Transactions on Signal Processing*, vol.60, no.8, pp.4426-4432, August 2012 (DOI: 10.1109/TSP.2012.2195659) - H.C.So and Z.Zhou, "Linear prediction approach for accurate dual-channel sine-wave parameter estimation,"
*ETRI Journal*, vol.34, no.4, pp.641-644, August 2012 - F.K.W.Chan, H.C.So and W.Sun, "Subspace approach for two-dimensional parameter estimation of multiple damped sinusoids,"
*Signal Processing*, vol.92, no.9, pp.2172-2179, September 2012 - W.Sun and H.C.So, "Accurate and computationally efficient tensor-based subspace approach for multi-dimensional harmonic retrieval,"
*IEEE Transactions on Signal Processing*, vol.60, no.10, pp.5077-5088, October 2012 (DOI: 10.1109/TSP.2012.2205571) - L.Huang, Y.Wu, H.C.So, Y.Zhang and L.Huang, "Multidimensional sinusoidal frequency estimation using subspace and projection separation approaches,"
*IEEE Transactions on Signal Processing*, vol.60, no.10, pp.5536-5543, October 2012 (DOI: 10.1109/TSP.2012.2206590) - H.C.So, F.K.W.Chan and W.Sun, "Efficient frequency estimation of a single real tone based on principal singular value decomposition,"
*Digital Signal Processing*, vol.22, no.6, pp.1005-1009, December 2012 - F.K.W.Chan, H.C.So, W.-K.Ma and K.W.K.Lui, "A flexible semi-definite programming approach for source localization problems,"
*Digital Signal Processing*, vol.23, no.2, pp.601–609, March 2013 - F.K.W.Chan, H.C.So and W.Sun, "Accurate estimation of common sinusoidal parameters in multiple channels,"
*Signal Processing*, vol.93, no.4, pp.742–748, April 2013 - W.Sun, H.C.So and L.Lin, "Correlation-based algorithm for multi-dimensional single-tone frequency estimation,"
*Signal Processing*, vol.93, no.4, pp.765–771, April 2013 - W.-J.Zeng, X.Jiang and H.C.So, "Sparse-representation algorithms for blind estimation of acoustic-multipath channels,"
*Journal of the Acoustical Society of America*, vol.133, no.4, pp.2191–2197, April 2013 - K.Liu, J.P.C.L.da Costa, H.C.So, F.Roemer, M.Haardt and L.F.de A.Gadelha, "3-D unitary ESPRIT: Accurate attitude estimation for unmanned aerial vehicles with a hexagon-shaped ESPAR array,"
*Digital Signal Processing*, vol.23, no.3, pp.701–711, May 2013 - L.Lin, H.C.So and Y.T.Chan, "Accurate and simple source localization using differential received signal strength,"
*Digital Signal Processing*, vol.23, no.3, pp.736–743, May 2013 - H.C.So and Z.Zhou, "Two accurate phase-difference estimators for dual-channel sine-wave model,"
*EURASIP Journal on Advances in Signal Processing*, 2013:122, June 2013 - K.Liu, J.P.C.L.da Costa, H.C.So and L.Huang, "Subspace based multidimensional model order selection in colored noise,"
*Signal Processing*, vol.93, no.7, pp.1976-1987, July 2013 - H.C.So, Y.T.Chan, K.C.Ho and Y.Chen, "Simple formulas for bias and mean square error computation,"
*IEEE Signal Processing Magazine*, vol.30, no.4, pp.162-165, July 2013 (DOI: 10.1109/MSP.2013.2254600) Companion Presentation - W.-J.Zeng, H.C.So and A.M.Zoubir, "An
*l*p-norm minimization approach to time delay estimation in impulsive noise,"*Digital Signal Processing*, vol.23, no.4, pp.1247-1254, July 2013 - W.Sun, H.C.So, F.K.W.Chan and L.Huang, "Tensor approach for eigenvector-based multi-dimensional harmonic retrieval,"
*IEEE Transactions on Signal Processing*, vol.61, no.13, pp.3378-3388, July 2013 (DOI: 10.1109/TSP.2013.2259163) - Z.Zhou, H.C.So and M.G.Christensen, "Parametric modeling for damped sinusoids from multiple channels,"
*IEEE Transactions on Signal Processing*, vol.61, no.15, pp.3895-3907, August 2013 (DOI: 10.1109/TSP.2013.2260334) - W.-J.Zeng, H.C.So and L.Huang, "
*l*p-MUSIC: Robust direction-of-arrival estimator for impulsive noise environments,"*IEEE Transactions on Signal Processing*, vol.61, no.17, pp.4296-4308, September 2013 (DOI: 10.1109/TSP.2013.2263502) - K.Liu, H.C.So, J.P.C.L.da Costa, F.Roemer and L.Huang, "Efficient source enumeration for accurate direction-of-arrival estimation in threshold region,"
*Digital Signal Processing*, vol.23, no.5, pp.1668-1677, September 2013 - L.Huang and H.C.So, "Source enumeration via MDL criterion based on linear shrinkage estimation of noise subspace covariance matrix,"
*IEEE Transactions on Signal Processing*, vol.61, no.19, pp.4806-4821, October 2013 (DOI: 10.1109/TSP.2013.2273198) - L.Lin, H.C.So, F.K.W.Chan, Y.T.Chan and K.C.Ho "A new constrained weighted least squares algorithm for TDOA-based localization,"
*Signal Processing*, vol.93, no.11, pp.2872–2878, November 2013 - J.P.C.L.da Costa, K.Liu, H.C.So, S.Schwarz, M.Haardt and F.Roemer, "Multidimensional prewhitening for enhanced signal reconstruction and parameter estimation in colored noise with Kronecker correlation structure,"
*Signal Processing*, vol.93, no.11, pp.3209-3226, November 2013 - K.Liu, J.P.C.L.da Costa, H.C.So and A.L.F.de Almeida, "Semi-blind receivers for joint symbol and channel estimation in space-time-frequency MIMO-OFDM systems,"
*IEEE Transactions on Signal Processing*, vol.61, no.21, pp.5444-5457, November 2013 (DOI: 10.1109/TSP.2013.2278512) - W.-J.Zeng, X.-L.Li and H.C.So, "Direction-of-arrival estimation based on spatial-temporal statistics without knowing the source number,"
*Signal Processing, Special Issue on Advances in Sensor Array Processing in Memory of Alex B. Gershman*, vol.93, no.12, pp.3479–3486, December 2013 - C.Qian, L.Huang and H.C.So, "Computationally efficient ESPRIT algorithm for direction-of-arrival estimation based on Nyström method,"
*Signal Processing*, vol.94, no.1, pp.74-80, January 2014 - Y.Chen, H.C.So and W.Sun, "
*l*p-norm based iterative adaptive approach for robust spectral analysis,"*Signal Processing*, vol.94, no.1, pp.144-148, January 2014 - C.S.Leung, J.Sum, H.C.So, A.G.Constantinides and F.K.W.Chan, "Lagrange programming neural network approach for time-of-arrival based source localization,"
*Neural Computing and Applications*, vol.24, pp.109-116, January 2014 - C.Qian, L.Huang and H.C.So, "Improved unitary root-MUSIC for DOA estimation based on pseudo-noise resampling,"
*IEEE Signal Processing Letters*, vol.21, no.2, pp.140-144, February 2014 (DOI: 10.1109/LSP.2013.2294676) - L.Lin, H.C.So and Y.T.Chan, "Received signal strength based positioning for multiple nodes in wireless sensor networks,"
*Digital Signal Processing*, vol.25, pp.41–50, February 2014 - X.Jiang, W.-J.Zeng, A.Yasotharan, H.C.So and T.Kirubarajan, "Robust beamforming by linear programming,"
*IEEE Transactions on Signal Processing*, vol.62, no.7, pp.1834-1849, April 2014 (DOI: 10.1109/TSP.2014.2304438) Companion Presentation - X.Jiang, W.-J.Zeng, A.Yasotharan, H.C.So and T.Kirubarajan, "Minimum dispersion beamforming for non-Gaussian signals,"
*IEEE Transactions on Signal Processing*, vol.62, no.7, pp.1879-1893, April 2014 (DOI: 10.1109/TSP.2014.2305639) Companion Presentation - W.-Q.Wang and H.C.So, "Transmit subaperturing for range-angle estimation in frequency diverse array radar,"
*IEEE Transactions on Signal Processing*, vol.62, no.8, pp.2000-2011, April 2014 (DOI: 10.1109/TSP.2014.2305638) - L.Huang, H.C.So and C.Qian, "Volume-based method for spectrum sensing,"
*Digital Signal Processing*, vol.28, pp.48–56, May 2014 - W.Sun, H.C. So, Y.Chen, L.-T.Huang and L.Huang, "Approximate subspace-based iterative adaptive approach for fast two-dimensional spectral estimation,"
*IEEE Transactions on Signal Processing*, vol.62, no.12, pp.3220-3231, June 2014 (DOI: 10.1109/TSP.2014.2320460) - W.-Q.Wang, H.C.So and H.Shao, "Non-uniform frequency diverse array for range-angle imaging of targets,"
*IEEE Sensors Journal*, vol.14, no.8, pp.2469-2476, August 2014 (DOI: 10.1109/JSEN.2014.2304720) - Y.Chen and H.C.So, "Accurate parameter estimation for unbalanced three-phase system,"
*The Scientific World Journal*, vol.2014, Article ID 539420, pp.1-8, August 2014 - C.Qian, L.Huang, W.-J.Zeng and H.C.So, "Direction-of-arrival estimation for coherent signals without knowledge of source number,"
*IEEE Sensors Journal*, vol.14, no.9, pp.3267-3273, September 2014 (DOI: 10.1109/JSEN.2014.2327633) - F.K.W.Chan, H.C.So, L.Huang and L.-T.Huang, "Underdetermined direction-of-departure and direction-of-arrival estimation in bistatic multiple-input multiple-output radar,"
*Signal Processing*, vol.104, no.11, pp.284-290, November 2014 - L.Lin, H.C.So and F.K.W.Chan, "Multidimensional scaling approach for node localization using received signal strength measurements,"
*Digital Signal Processing*, vol.34, pp.39–47, November 2014 - M.Cao, L.Huang, C.Qian, J.Xue and H.C.So, "Underdetermined DOA estimation of quasi-stationary signals via Khatri-Rao structure for uniform circular array,"
*Signal Processing*, vol.106, no.1, pp.41-48, January 2015 - Y.Chen, E.E.Kuruoglu and H.C.So, "Optimum linear regression in additive Cauchy-Gaussian noise,"
*Signal Processing*, vol.106, no.1, pp.312–318, January 2015 - Y.Shi, L.Huang, C.Qian and H.C.So, "Shrinkage linear and widely-linear complex-valued least mean squares algorithms for adaptive beamforming,"
*IEEE Transactions on Signal Processing*, vol.63, no.1, pp.119-131, January 2015 (DOI: 10.1109/TSP.2014.2367452) - X.Jiang, W.-J.Zeng, A.Yasotharan, H.C.So and T.Kirubarajan, "Quadratically constrained minimum dispersion beamforming via gradient projection,"
*IEEE Transactions on Signal Processing*, vol.63, no.1, pp.192-205, January 2015 (DOI: 10.1109/TSP.2014.2367464) Companion Presentation - L.Huang, C.Qian, H.C.So and J.Fang, "Source enumeration for large array using shrinkage-based detectors with small samples,"
*IEEE Transactions on Aerospace and Electronic Systems*, vol.51, no.1, pp.344-357, January 2015 (DOI: 10.1109/TAES.2014.130579) - L.Huang, Y.Xiao, H.C.So and J.Fang, "Accurate performance analysis of Hadamard ratio test for robust spectrum sensing,"
*IEEE Transactions on Wireless Communications*, vol.14, no.2, pp.750-758, February 2015 (DOI: 10.1109/TWC.2014.2359223) - F.Wen and H.C.So, "Tensor MODE for multi-dimensional harmonic retrieval with coherent sources,"
*Signal Processing*, vol.108, no.3, pp.530-534, March 2015 - Z.-Q.He, Z.-P.Shi, L.Huang and H.C.So, "Underdetermined DOA estimation for wideband signals using robust sparse covariance fitting,"
*IEEE Signal Processing Letters*, vol.22, pp.435-439, April 2015 (DOI: 10.1109/LSP.2014.2358084) Presentation Slides at ICASSP 2015 - Y.Shi, L.Huang, C.Qian and H.C.So, "Direction-of-arrival estimation for noncircular sources via structured least squares-based ESPRIT using 3-axis crossed array,"
*IEEE Transactions on Aerospace and Electronic Systems*, vol.51, no.2, pp.1267-1278, April 2015 (DOI: 10.1109/TAES.2015.140003) - Y.Wu, X.Pei and H.C.So, "Utilizing principal singular vectors for 2-D DOA estimation in single snapshot case with uniform rectangular array,"
*International Journal of Antennas and Propagation*, vol.2015, Article ID 681251, 6 pages - C.Qian, L.Huang, Y.Xiao and H.C.So, "Localization of coherent signals without source number knowledge in unknown spatially correlated Gaussian noise,"
*Signal Processing*, vol.111, no.6, pp.170-178, June 2015 - C.Zhu, W.-Q.Wang, H.Chen and H.C.So, "Impaired sensor diagnosis, beamforming and DOA estimation with difference co-array processing,"
*IEEE Sensors Journal*, vol.15, no.7, pp.3773-3780, July 2015 (DOI: 10.1109/JSEN.2015.2399510) - J. Xu, G.Liao, S.Zhu, L.Huang and H.C.So, "Joint range and angle estimation using MIMO radar with frequency diverse array,"
*IEEE Transactions on Signal Processing*, vol.63, no.13, pp.3396-3410, July 2015 (DOI: 10.1109/TSP.2015.2422680) - S.Cheng, W.-Q.Wang and H.C.So, "MIMO radar OFDM chirp waveform diversity design with sparse modeling and joint optimization",
*Multidimensional Systems and Signal Processing*, vol.26, no.3, 13 pages, July 2015 - F.K.W.Chan, H.C.So, L.Huang and L.-T.Huang, "Parameter estimation and identifiability in bistatic multiple-input multiple-output radar,"
*IEEE Transactions on Aerospace and Electronic Systems*, vol.51, no.3, pp.2047-2056, July 2015 (DOI: 10.1109/TAES.2015.130502) - J.Xu, G.Liao, S.Zhu and H.C.So, "Deceptive jamming suppression with frequency diverse MIMO radar,"
*Signal Processing*, vol.113, pp.9-17, August 2015 - L.Huang, J.Fang, K.Liu, H.C.So and H.Li, "An eigenvalue-moment-ratio approach to blind spectrum sensing for cognitive radio under sample-starving environment,"
*IEEE Transactions on Vehicular Technology*, vol.64, no.8, pp.3465-3480, August 2015 (DOI: 10.1109/TVT.2014.2359217) - C.Qian, L.Huang, Y.Xiao and H.C.So, "Two-step reliability test based unitary root-MUSIC for direction-of-arrival estimation,"
*Digital Signal Processing*, vol.44, pp.68-75, September 2015 - M.Einemo and H.C.So, "Weighted least squares algorithm for target localization in distributed MIMO radar,"
*Signal Processing*, vol.115, pp.144-150, October 2015 - C.Qian, L.Huang, H.C.So, N.D.Sidiropoulos and J.Xie, "Unitary PUMA algorithm for estimating the frequency of a complex sinusoid,"
*IEEE Transactions on Signal Processing*, vol.63, no.20, pp.5358-5368, October 2015 (DOI: 10.1109/TSP.2015.2454471) - X.Jiang, W.-J.Zeng, H.C.So, S.Rajan and T.Kirubarajan, "Robust matched filtering in
*l*p-space,"*IEEE Transactions on Signal Processing*, vol.63, no.23, pp.6184-6199, December 2015 (DOI: 10.1109/TSP.2015.2464179) - F.Wen and H.C.So, "Robust multi-dimensional harmonic retrieval using iteratively reweighted HOSVD,"
*IEEE Signal Processing Letters*, vol.22, no.12, pp.2464-2468, December 2015 (DOI: 10.1109/LSP.2015.2493521) - J.Liang, H.C.So, C.S.Leung, J.Li and A.Farina, "Waveform design with unit modulus and spectral shape constraints via Lagrange programming neural network,"
*IEEE Journal of Selected Topics in Signal Processing*, vol.9, no.8, pp.1377-1386, December 2015 (DOI: 10.1109/JSTSP.2015.2464178) - W.-J.Zeng, H.C.So and X.Jiang, "Outlier-robust greedy pursuit algorithms in
*l*p-space for sparse approximation,"*IEEE Transactions on Signal Processing*, vol.64, no.1, pp.60-75, January 2016 (DOI: 10.1109/TSP.2015.2477047) Companion Presentation - K.Liu, L.Huang, H.C.So and J.Ye, "Multidimensional folding for sinusoidal order selection,"
*Digital Signal Processing*, vol.48, pp.349–360, January 2016 - Q.Xiang, H.Cao and H.C.So, "Fast and accurate estimator for two-dimensional cisoids based on QR decomposition,"
*Signal Processing*, vol.120, no.3, pp.553-561, March 2016 - L.-T.Huang, A.L.F.de Almeida and H.C.So, "Target estimation in bistatic MIMO radar via tensor completion,"
*Signal Processing*, vol.120, pp.654-659, March 2016 - J.Liang, C.S.Leung and H.C.So, "Lagrange programming neural network approach for target localization in distributed MIMO radar,"
*IEEE Transactions on Signal Processing*, vol.64, no.6, pp.1574-1585, March 2016 (DOI: 10.1109/TSP.2015.2500881) - X.Jiang, W.-J.Zeng, H.C.So, A.M.Zoubir and T.Kirubarajan, "Beamforming via nonconvex linear regression,"
*IEEE Transactions on Signal Processing*, vol.64, no.7, pp.1714-1728, April 2016 (DOI: 10.1109/TSP.2015.2507543) Companion Presentation - K.Liu, J.P.C.L.da Costa, H.C.So, L.Huang and J.Ye, "Detection of number of components in CANDECOMP/PARAFAC models via minimum description length,"
*Digital Signal Processing*, vol.51, pp.110-123, April 2016 - J.Liang, D.Wang, L.Su, B.Chen, H.Chen and H.C.So, "Robust MIMO radar target localization vianonconvex optimization,"
*Signal Processing*, vol.122, pp.33-38, May 2016 - Y.Chen, H.C.So and E.E.Kuruoglu, "Variance analysis of unbiased least
*l*p-norm estimator in non-Gaussian noise,"*Signal Processing*, vol.122, pp.190-203, May 2016 - L.Huang, Y.Xiao, K.Liu, H.C.So and J.-K.Zhang, "Bayesian information criterion for source enumeration in large-scale adaptive antenna array,"
*IEEE Transactions on Vehicular Technology*, vol.65, no.5, pp.3018-3032, May 2016 (DOI: 10.1109/TVT.2015.2436060) - X.Shen, L.Chen, Y.Gu and H.C.So, "Square-root lasso with non-convex regularization: An ADMM approach,"
*IEEE Signal Processing Letters*, vol.23, no.7, pp.934-938, July 2016 (DOI: 10.1109/LSP.2016.2567482) - C.Qian, L.Huang, N.D.Sidiropoulos and H.C.So, "Enhanced PUMA for direction-of-arrival estimation and its performance analysis,"
*IEEE Transactions on Signal Processing*, vol.64, no.16, pp.4127-4137, August 2016 (DOI: 10.1109/TSP.2016.2543206) - J.Xu, G.Liao and H.C.So, "Space-time adaptive processing with vertical frequency diverse array for range ambiguous clutter suppression,"
*IEEE Transactions on Geoscience and Remote Sensing*, vol.54, no.9, pp.5352-5364, September 2016 (DOI: 10.1109/TGRS.2016.2561308) - C.Qian, N.D.Sidiropoulos, K.Huang, L.Huang and H.C.So, "Phase retrieval using feasible point pursuit: Algorithms and Cramer-Rao bound,"
*IEEE Transactions on Signal Processing*, vol.64, no.20, pp.5282-5296, October 2016 (DOI: 10.1109/TSP.2016.2593688) - J.Liang, H.C.So, J.Li and A.Farina, "Unimodular sequence design based on alternating direction method of multipliers,"
*IEEE Transactions on Signal Processing*, vol.64, no.20, pp.5367-5381, October 2016 (DOI: 10.1109/TSP.2016.2597123) - B.Liao, C.Guo, L.Huang, Q.Li, G.Liao and H.C.So, "Robust adaptive beamforming with random steering vector mismatch,"
*Signal Processing*, vol.129, pp.190-194, December 2016 - T.F.K.Cordeiro, J.P.C.L.da Costa, R.T.de Sousa, Jr., H.C.So and G.A.Borges, "Improved Kalman-based attitude estimation framework for UAVs via an antenna array,"
*Digital Signal Processing*, vol.59, pp.49-65, December 2016 - B.Liao, L.Huang, C.Guo and H.C.So, "New approaches to direction-of-arrival estimation with sensor arrays in unknown nonuniform noise,"
*IEEE Sensors Journal*, Vol.16, no.24, pp.8982-8989, December 2016 - M.Huang, L.Huang, W.Sun, J.Zhang and H.C.So, "Accurate signal detection for BPSK-OFDM systems in time-varying channels,"
*Digital Signal Processing*, vol.60, pp.370-379, January 2017 - S.Zhang, J.Zhang and H.C.So, "Mean square deviation analysis of LMS and NLMS algorithms with white reference inputs,"
*Signal Processing*, vol.131, pp.20–26, February 2017 - H.Cao, H.C.So and Y.T.Chan, "Optimum time delay estimation for complex-valued stationary signals,"
*Signal Processing*, vol.131, pp.434–440, February 2017 - J.Xu, G.Liao, L.Huang and H.C.So, "Robust adaptive beamforming for fast-moving target detection with FDA-STAP radar,"
*IEEE Transactions on Signal Processing*, vol.65, no.4, pp.973–984, February 2017 (DOI: 10.1109/TSP.2016.2628340) - B.Liao, C.Guo, L.Huang, Q.Li, and H.C.So, "Robust adaptive beamforming with precise main beam control,"
*IEEE Transactions on Aerospace and Electronic Systems*, vol.53, no.1, pp.345-356, February 2017 (DOI: 10.1109/TAES.2017.2650578) - W.-Q.Wang, H.C.So and A.Farina, "An overview on time/frequency modulated array processing,"
*IEEE Journal of Selected Topics in Signal Processing*, vol.11, no.2, pp.228–246, March 2017 - N.J.Bershad, F.Wen and H.C.So, "Comments on "Fractional LMS algorithm","
*Signal Processing*, vol.133, pp.219–226, April 2017 - K.Liu, H.Cao, H.C.So and A.Jakobsson, “Multi-dimensional sinusoidal order estimation using angles between subspaces,”
*Digital Signal Processing*, vol.64, pp.17-27, May 2017 - H.Cao, Y.T.Chan and H.C.So, “Maximum likelihood TDOA estimation from compressed sensing samples without reconstruction,”
*IEEE Signal Processing Letters*, vol.24, no.5, pp.564-568, May 2017 (DOI: 10.1109/LSP.2017.2684185) - X.Jiang, Z.Zhong, X.Liu and H.C.So, "Robust matrix completion via alternating projection,"
*IEEE Signal Processing Letters*, vol.24, no.5, pp.579-583, May 2017 (DOI: 10.1109/LSP.2017.2685518) Companion Presentation - Y.Chen, L.-T.Huang, X.L.Yang and H.C.So, “Variance analysis for least
*l*p-norm estimator in mixture of generalized Gaussian noise,”*IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences*, vol.E100-A, no.5, pp.1226-1230, May 2017 - W.Zheng, K.Li, K.Li and H.C.So, "A modified multiple alignment fast Fourier transform with higher efficiency,"
*IEEE/ACM Transactions on Computational Biology and Bioinformatics*, vol.14, no.3, pp.634-645, May/June 2017 (DOI: 10.1109/TCBB.2016.2530064) - Y.Chen, H.C.So, E.E.Kuruoglu and X.L.Yang, "Variance analysis of unbiased complex-valued
*l*p-norm minimizer,"*Signal Processing*, vol.135, pp.17-25, June 2017 - Z.-F.Han, C.S.Leung, L.-T.Huang and H.C.So, "Sparse and truncated nuclear norm based tensor completion,"
*Neural Processing Letters*, vol.45, no.3, pp.729–743, June 2017 - C.Qian, L.Huang, M.Cao, H.C.So and J.Xie, "PUMA: An improved realization of MODE for DOA estimation,"
*IEEE Transactions on Aerospace and Electronic Systems*, vol.53, no.5, pp.2128-2139, October 2017 (DOI: 10.1109/TAES.2017.2683598) - W.Wang, R.Wu, J.Liang and H.C.So, "Phase retrieval approach for DOA estimation with array errors,"
*IEEE Transactions on Aerospace and Electronic Systems*, vol.53, no.5, pp.2610-2620, October 2017 (DOI: 10.1109/TAES.2017.2706878) - Q.Liu, H.C.So and Y.Gu, "Off-grid DOA estimation with nonconvex regularization via joint sparse representation,"
*Signal Processing*, vol.140, pp.171-176, November 2017 - L.Zhang, B.Li, L.Huang, T.Kirubarajan and H.C.So, "Robust minimum dispersion distortionless response beamforming against fast-moving interferences,"
*Signal Processing*, vol.140, pp.190-197, November 2017 - X.Jiang, H.C.So, W.-J.Zeng, A.Yasotharan and T.Kirubarajan, "Iterative constrained least squares for robust constant modulus beamforming,"
*IEEE Transactions on Aerospace and Electronic Systems*, vol.53, pp.2671-2689, December 2017 (DOI: 10.1109/TAES.2017.2710778) - H.-F.Zhou, L.Huang, H.C.So and J.Li "Performance analysis of G-MUSIC based DOA estimator with random linear array: A single source case,"
*Signal Processing*, vol.142, pp.513-521, January 2018 - R.Gui, W.-Q.Wang, C.Cui and H.C.So, "Coherent pulsed-FDA radar receiver design with time-variance consideration: SINR and CRB analysis,"
*IEEE Transactions on Signal Processing*, vol.66, no.1, pp.200-214, January 2018 (DOI: 10.1109/TSP.2017.2764860) - J.Liang, G.Yu, P.Li, L.Sui, Y.Wu, W.Kong, D.Liu and H.C.So, "Ellipse fitting via low-rank generalized multidimensional scaling matrix recovery,"
*Multidimensional Systems and Signal Processing*, vol.29, no.1, pp.49–75, January 2018 - J.Dai and H.C.So, "Sparse Bayesian learning approach for outlier-resistant direction-of-arrival estimation,"
*IEEE Transactions on Signal Processing*, vol.66, no.3, pp.744-756, February 2018 (DOI: 10.1109/TSP.2017.2773420) - S.Zhang, H.C.So, W.Mi and H.Han, "A family of adaptive decorrelation NLMS algorithms and its diffusion version over adaptive networks,"
*IEEE Transactions on Circuits and Systems I*, vol.65, no.2, pp.638-649, February 2018 (DOI: 10.1109/TCSI.2017.2736341) - S.Tang, C.Lin, Y.Zhou, H.C.So, L.Zhang, and Z.Liu, "Processing of long integration time spaceborne SAR data with curved orbit,"
*IEEE Transactions on Geoscience and Remote Sensing*, vol.56, no.2, pp.888-904, February 2018 (DOI: 10.1109/TGRS.2017.2756109) - Q.Li, L.Huang, P.Zhang, H.C.So and H.Xue, "Beampattern synthesis for frequency-diverse-array via reweighted-
*l*1 iterative phase compensation,"*IEEE Transactions on Aerospace and Electronic Systems*, vol.54, no.1, pp.467-475, February 2018 (DOI: 10.1109/TAES.2017.2735638) - P.Gong, W.-Q.Wang, F.Lia and H.C.So, "Sparsity-aware transmit beamspace design for FDA-MIMO radar,"
*Signal Processing*, vol.144, pp.99-103, March 2018 - W.-J.Zeng and H.C.So, "Outlier-robust matrix completion via
*l*p-minimization,"*IEEE Transactions on Signal Processing*, vol.66, no.5, pp.1125-1140, March 2018 (DOI: 10.1109/TSP.2017.2784361) Companion Presentation - Y.-H.Xiao, L.Huang, J.Xie and H.C.So, “Approximate asymptotic distribution of locally most powerful invariant test for independence: Complex case,”
*IEEE Transactions on Information Theory*, vol.64, no.3, pp.1784-1799, March 2018 (DOI: 10.1109/TIT.2017.2669021) - J.Liang, H.C.So, J.Li, A.Farina and D.Zhou, "On optimizations with magnitude constraints on frequency or angular responses,"
*Signal Processing*, vol.145, pp.214-224, April 2018 - J.Liang, X.Zhang, H.C.So and D.Zhou, "Sparse array beampattern synthesis via alternating direction method of multipliers,"
*IEEE Transactions on Antennas and Propagation*, vol.66, no.5, pp.2333-2345, May 2018 (DOI: 10.1109/TAP.2018.2811778) - W.T.Li, Y.Q.Hei, X.W.Shi and H.C.So, "Range-angle-dependent beamforming with FDA using four-dimensional arrays,"
*Signal Processing*, vol.147, pp.68-79, June 2018 - W.Sun, Y.Chen, L.Huang and H.C.So, "Tensor completion via generalized tensor tubal rank minimization using general unfolding,"
*IEEE Signal Processing Letters*, vol.25, no.6, pp.868-872, June 2018 (DOI: 10.1109/LSP.2018.2819892) - S.Tang, L.Zhang and H.C.So, "Focusing high-resolution highly-squinted airborne SAR data with maneuvers,"
*Remote Sensing*, vol.10, no.6, 862, June 2018 - J.Liang, Y.Chen, H.C.So and Y.Jing, "Circular/hyperbolic/elliptic localization via Euclidean norm elimination,"
*Signal Processing*, vol.148, pp.102-113, July 2018 - Y.Jing, J.Liang, D.Zhoug and H.C.So, "Spectrally constrained unimodular sequence design without spectral level mask,"
*IEEE Signal Processing Letters*, vol.25, no.7, pp.1004-1008, July 2018 (DOI: 10.1109/LSP.2018.2836219) - X.Jiang, J.Chen, H.C.So and X.Liu, "Large-scale robust beamforming via
*l*∞-minimization,"*IEEE Transactions on Signal Processing*, vol.66, no.14, pp.3824-3837, July 2018 (DOI: 10.1109/TSP.2018.2841887) - Y.-H.Xiao, L.Huang, J.-K. Zhang, J.Xie and H.C.So, "Performance analysis of locally most powerful invariant test for sphericity of Gaussian vectors in coherent MIMO radar,"
*IEEE Transactions on Vehicular Technology*, vol.67, no.7, pp.5868-5882, July 2018 (DOI: 10.1109/TVT.2018.2801802) - Z.-F.Han, C.S.Leung, H.C.So and A.G.Constantinides, "Augmented Lagrange programming neural network for localization using time-difference-of-arrival measurements",
*IEEE Transactions on Neural Networks and Learning Systems*, vol.29, no.8, pp.3879-3884, August 2018 (DOI: 10.1109/TNNLS.2017.2731325) - Z.Zheng, M.Fu, W.-Q.Wang and H.C.So, "Mixed far-field and near-field source localization based on subarray cross-cumulant,"
*Signal Processing*, vol.150, pp.51–56, September 2018 - C.Yang, X.Shen, H.Ma, Y.Gu and H.C.So, "Sparse recovery conditions and performance bounds for
*l*p-minimization,"*IEEE Transactions on Signal Processing*, vol.66, no.19, pp.5014-5028, October 2018 (DOI: 10.1109/TSP.2018.2862402) - Y.Chen, X.L.Yang, L.-T.Huang and H.C.So, "Robust frequency estimation in symmetric alpha-stable noise,"
*Circuits, Systems & Signal Processing*, vol.37, no.10, pp.4637-4650, October 2018 - Q.Liu, C.Yang, Y.Gu and H.C.So, "Robust sparse recovery via weakly convex optimization in impulsive noise,"
*Signal Processing*, vol.152, pp.84-89, November 2018 - X.Fan, J.Liang and H.C.So, "Beampattern synthesis with minimal dynamic range ratio,"
*Signal Processing*, vol.152, pp.411-416, November 2018 - W.Sun, Y.Chen and H.C.So, "Tensor completion using Kronecker rank-1 tensor train with application to visual data inpainting,"
*IEEE Access*, vol.6, no.1, pp.47804-47814, December 2018 (DOI: 10.1109/ACCESS.2018.2866194) - C.Qian, Y.Shi, L.Huang and H.C.So, "Robust harmonic retrieval via block successive upper bound minimization,"
*IEEE Transactions on Signal Processing*, vol.66, no.23, pp.6310-6324, December 2018 (DOI: 10.1109/TSP.2018.2875394) - Z.Zheng, W.-Q.Wang, H.Meng, H.C.So and H.Zhang, "Efficient beamspace-based algorithm for 2-D DOA estimation of incoherently distributed sources in massive MIMO systems,"
*IEEE Transactions on Vehicular Technology*vol.67, no.12, pp.11776-11789, December 2018(DOI: 10.1109/TVT.2018.2875023) - J.Dai, A.Liu and H.C.So, "Non-uniform burst-sparsity learning for massive MIMO channel estimation,"
*IEEE Transactions on Signal Processing*, vol.67, no.4, pp.1075-1087, February 2019 (DOI: 10.1109/TSP.2018.2889952) - Q.Liu, Y.Gu and H.C.So, "Smoothed sparse recovery via locally competitive algorithm and forward Euler discretization method,"
*Signal Processing*, vol.157, pp.97-102, April 2019 - W.Sun, L.Huang, H.C.So and J.Wang, "Orthogonal tubal rank-1 tensor pursuit for tensor completion,"
*Signal Processing*, vol.157, pp.213-224, April 2019 - X.Fan, J.Liang, Y.Zhang, H.C.So and X.Zhao, "Shaped power pattern synthesis with minimization of dynamic range ratio,"
*IEEE Transactions on Antennas and Propagation*, vol.7, no.5, pp.3067-3078, May 2019 (DOI: 10.1109/TAP.2019.2897485) - Y.-H.Xiao, J.Xie, L.Huang and H.C.So, "Multiantenna assisted source detection in Toeplitz noise covariance,"
*IEEE Signal Processing Letters*, vol.26, no.6, pp.813-817, June 2019 (DOI: 10.1109/LSP.2019.2905370) - W.Fan, J.Liang, G.Yu, H.C.So and G.Lu, "MIMO radar waveform design for quasi-equiripple transmit beampattern synthesis via weighted
*l*p-minimization,"*IEEE Transactions on Signal Processing*, vol.67, no.13, pp.3397-3411, July 2019 (DOI: 10.1109/TSP.2019.2917871) - S.Zhang, J.Zhang, W.X.Zheng and H.C.So, "Widely-linear complex-valued estimated-input LMS algorithm for bias-compensated adaptive filtering with noisy measurements,"
*IEEE Transactions on Signal Processing*, vol.67, no.13, pp.3592-3605, July 2019 (DOI: 10.1109/TSP.2019.2919412) - W.Xiong and H.C.So, "TOA-based localization with NLOS mitigation via robust multidimensional similarity analysis,"
*IEEE Signal Processing Letters*, vol.26, no.9, pp.1334-1338, September 2019 (DOI: 10.1109/LSP.2019.2929860) - C.Yang, X.Shen, H.Ma, B.Chen, Y.Gu and H.C.So, "Weakly convex regularized robust sparse recovery methods with theoretical guarantees,"
*IEEE Transactions on Signal Processing*, vol.67, no.13, pp.5046-5061, October 2019 (DOI: 10.1109/TSP.2019.2935906) - S.Zhu, G.Liao, J.Xu, L.Huang, and H.C.So, "Robust STAP based on magnitude and phase constrained iterative optimization,"
*IEEE Sensors Journal*, vol.19, no.19, pp.8650-8656, October 2019 (DOI: 10.1109/JSEN.2019.2920307) - H.Wang, Z.Shi, C.S.Leung, H.C.So and R.Feng, "An
*l*0-norm based centers selection for failure tolerant RBF networks,"*IEEE Access*, vol.7, pp.151902-151914, October 2019 (DOI: 10.1109/ACCESS.2019.2945807) - J.Liang, P.Li, D.Zhou, H.C.So, D.Liu, C.S.Leung and L.Sui, "Robust ellipse fitting via alternating direction method of multipliers,"
*Signal Processing*, vol.164, pp.30-40, November 2019 - F.Wen, H.Wymeersch, B.Peng, W.P.Tay, H.C.So and D.Yang, "A survey on 5G massive MIMO localization,"
*Digital Signal Processing*, vol.94, pp.21-28, November 2019 - Z.Zheng, Y.Huang, W.-Q.Wang and H.C.So, "Spatial smoothing PAST algorithm for DOA tracking using difference coarray,"
*IEEE Signal Processing Letters*, vol.26, no.11, pp.1623-1627, November 2019 (DOI: 10.1109/LSP.2019.2942146) - Y.Chen, L.-T.Huang and H.C.So, "Selective range iterative adaptive approach for high-resolution DOA estimation,"
*IEEE Access*, vol.7, no.1, pp.15634-15640, December 2019 (DOI: 10.1109/ACCESS.2019.2895365) - Y.Chen, A.H.C.Ko, W.S.Tam, C.W.Kok and H.C.So, "Non-iterative DOA estimation using discrete Fourier transform interpolation",
*IEEE Access*, vol.7, no.1, pp.55620-55630, December 2019 (DOI: 10.1109/ACCESS.2019.2913747) - Z.Zheng, W.-Q.Wang, H.C.So and Y.Liao, "Robust adaptive beamforming using a novel signal power estimation algorithm,"
*Digital Signal Processing*, vol.95, pp.1-11, December 2019 - Z.Zheng, T.Yang, W.-Q.Wang and H.C.So, "Robust adaptive beamforming via simplified interference power estimation,"
*IEEE Transactions on Aerospace and Electronic Systems*, vol.55, no.6, pp.3139-3152, December 2019 (DOI: 10.1109/TAES.2019.2899796) - Q.Liu, Y.Gu and H.C.So, "DOA estimation in impulsive noise via low-rank matrix approximation and weakly convex optimization,"
*IEEE Transactions on Aerospace and Electronic Systems*, vol.55, no.6, pp.3603-3616, December 2019 (DOI: 10.1109/TAES.2019.2909728) - Z.Zheng, H.Zhang, W.-Q.Wang and H.C.So, "Source localization using TDOA and FDOA measurements based on semidefinite programming and reformulation linearization,"
*Journal of the Franklin Institute*, vol.356, no.18, pp.11817-11838, December 2019 - S.Tang, P.Guo, L.Zhang and H.C.So, "Focusing hypersonic vehicle-borne SAR data using radius/angle algorithm,"
*IEEE Transactions on Geoscience and Remote Sensing*, vol.58, no.1, pp.281-293, January 2020 (DOI: 10.1109/TGRS.2019.2936246) - M.R.Bai, S.-S.Lan, J.-Y.Huang, Y.-C.Hsu and H.C.So, "Audio enhancement and intelligent classification of household sound events using a sparsely deployed array,"
*The Journal of the Acoustical Society of America*, vol.147, no.1, pp.1-24, January 2020 - Y.Chen, A.H.C.Ko, W.S.Tam, C.W.Kok and H.C.So, "Non-iterative and accurate frequency estimation of a single cisoid using two DFT coefficients,"
*Digital Signal Processing*, vol.98, March 2020 - W.Fan, J.Liang, H.C.So and G.Lu, “Min-max metric for spectrally compatible waveform design via log-exponential smoothing,”
*IEEE Transactions on Signal Processing*, vol.68, pp.1075-1090, 2020 (DOI: 10.1109/TSP.2020.2969043) - W.-J.Zeng and H.C.So, "Coordinate descent algorithms for phase retrieval,"
*Signal Processing*, vol.169, April 2020 - W.T.Li, C.Cui, X.T.Ye, X.W.Shi and H.C.So, "Quasi-time-invariant 3-D focusing beampattern synthesis for conformal frequency diverse array,"
*IEEE Transactions on Antennas and Propagation*, vol.68, no.4, pp.2684-2697, April 2020 (DOI: 10.1109/TAP.2019.2955199) - Z.Zheng, Y.Huang, W.-Q.Wang and H.C.So, “Direction-of-arrival estimation of coherent signals via coprime array interpolation,”
*IEEE Signal Processing Letters*, vol.27, pp.585-589, 2020 (DOI: 10.1109/LSP.2020.2982769) - X.P.Li, Q.Liu and H.C.So, “Rank-one matrix approximation with
*l*p-norm for image inpainting,”*IEEE Signal Processing Letters*, vol.27, pp.680-684, 2020 (DOI: 10.1109/LSP.2020.2988596) - J.Xu, Y.Zhang, G.Liao and H.C.So, “Resolving range ambiguity via multiple-input multiple-output radar with element-pulse coding,”
*IEEE Transactions on Signal Processing*, vol.68, pp.2770-2783, 2020 (DOI: 10.1109/TSP.2020.2988371) - X.Zhang, J.Liang, X.Fan, G.Yu and H.C.So, “Reconfigurable array beampattern synthesis via conceptual sensor network modelling and computation,”
*IEEE Transactions on Antennas and Propagation*, vol.68, no.6, pp.4512-4525, June 2020 (DOI: 10.1109/TAP.2020.2972401) - J.Liang, X.Fan, H.C.So and D.Zhou, “Array beampattern synthesis without specifying lobe level masks,”
*IEEE Transactions on Antennas and Propagation*, vol.68, no.6, pp.4526-4539, June 2020 (DOI: 10.1109/TAP.2020.2972331) - X.Fan, J.Liang, X.Zhao, Y.Zhang and H.C.So, “Minimum local peak sidelobe level waveform design with correlation and/or spectral constraints,”
*Signal Processing*, vol.171, June 2020 - Z.Zheng, Y.Fu, W.-Q.Wang and H.C.So, “Sparse array design for adaptive beamforming via semidefinite relaxation,”
*IEEE Signal Processing Letters*, vol.27, pp.925-929, 2020 (DOI: 10.1109/LSP.2020.2997253) - P.H.Lam, H.C.So and C.F.Chan, “Exponential sum approximation for Mittag-Leffler function and its application to fractional Zener wave equation,”
*Journal of Computational Physics*, vol.410, June 2020 - Z.Shi, H.Wang, C.S.Leung, H.C.So, J.Liang, K.F.Tsang and A.G.Constantinides, "Robust ellipse fitting based on Lagrange programming neural network and locally competitive algorithm,"
*Neurocomputing*, vol.399, pp.399-413, July 2020 - L.Guo, C.W.Kok, H.C.So and W.S.Tam, “Second-order bandpass sampling with direct baseband signal reconstruction,”
*Signal Processing*, vol.174, September 2020 - Z.Shi, H.Wang, C.S.Leung and H.C.So, “Robust MIMO radar target localization based on Lagrange programming neural network,”
*Signal Processing*, vol.174, September 2020 - C.Yang, Y.Gu, B.Chen, H.Ma and H.C.So, “Learning proximal operator methods for nonconvex sparse recovery with theoretical guarantee,”
*to appear in IEEE Transactions on Signal Processing* - C.Yang, Y.Gu, B.Chen, H.Ma and H.C.So, “Two-dimensional learned proximal gradient algorithm for fast sparse matrix recovery,”
*to appear in IEEE Transactions on Circuits and Systems II: Express Briefs* - Z.Zheng, M.Fu, W.-Q.Wang and H.C.So, “Symmetric displaced coprime array configurations for mixed near and far field source localization,”
*to appear in IEEE Transactions on Antennas and Propagation* - H.Cao, Y.T.Chan and H.C.So, "Compressive TDOA estimation: Cramer-Rao bound and incoherent Processing,"
*to appear in IEEE Transactions on Aerospace and Electronic Systems* - S.Zhang and H.C.So, “Diffusion average-estimate bias-compensated LMS algorithms over adaptive networks using noisy measurements,”
*to appear in to appear in IEEE Transactions on Signal Processing* - H.Li, J.Dai, T.Pan and H.C.So, “Sparse Bayesian learning approach for baseline correction,”
*to appear in Chemometrics and Intelligent Laboratory Systems* - J.He and H.C.So, “A hybrid TDOA fingerprinting-based localization system for LTE network,”
*to appear in IEEE Sensors Journal* - X.Fan, J.Liang, X.Zhao, Y.Zhang and H.C.So, "Optimal synthesis of sum and difference beam patterns with a common weight vector for symmetric and asymmetric antenna arrays,"
*to appear in IEEE Transactions on Antennas and Propagation*

- W.-J.Zeng, H.C.So and J.Chen, "Systems and methods for robust low-rank matrix approximation," granted, U.S. Patent No. 10,229,092, March 2019
- W.-J.Zeng and H.C.So, "Phase retrieval using coordinate descent techniques," granted, U.S. Patent No. 10,437,560, October 2019
- W.-J.Zeng and H.C.So, "A system and method for processing a data structure," granted, U.S. Patent No. 10,430,929, October 2019
- W.-J.Zeng, H.C.So, J.Chen and A.M.Zoubir, "Systems and methods for signal processing using coordinate descent techniques for unit modulus least squares (UMLS) and unit-modulus quadratic program (UMQP)," filed with U.S. Patent Office (No. 15/957,657), April 2018
- W.-J.Zeng, H.C.So, J.Chen and A.M.Zoubir, "Method for processing electronic data," filed with U.S. Patent Office (No. 16/126,049), September 2018
- W.-J.Zeng, H.C.So, J.Chen and A.M.Zoubir, "Method for processing electronic data," filed with U.S. Patent Office (No. 16/126,136), September 2018
- C.W.Kok, W.S.Tam, W.M.Chan and H.C.So, "Wireless communication system and a precoder device for use in such system," filed with U.S. Patent Office (No. 16/668,137), October 2019

- H.C.So, M.G.Amin, S.Blunt, F.Gini and W.-Q.Wang, "Introduction to the issue on time/frequency modulated array signal processing,"
*IEEE Journal of Selected Topics in Signal Processing*, vol.11, no.2, pp.225–227, March 2017 (DOI: 10.1109/JSTSP.2017.2652098) - A.M.Zoubir, M.Pesavento, M.N.El Korso, H.C.So and X.Jiang, "Special Issue on Robust Multi-Channel Signal Processing and Applications: On the Occasion of the 80th Birthday of Johann F. Böhme,"
*Signal Processing*, vol.172, July 2020

- P.C.Ching, K.C.Ho, H.C.So and Y.T.Chan, "An adaptive algorithm for multipath time delay estimation,"
*Proceedings of the 3rd International Symposium on Signal Processing and its Applications*, pp.421-424, August 1992, Australia - H.C.So, P.C.Ching, K.C.Ho and Y.T.Chan, "A novel constrained algorithm for delay estimation in the presence of multipath transmissions,"
*Proceedings of the International Conference on Acoustics, Speech, and Signal Processing*, vol.1, pp.313-316, April 1993, Minneapolis, Minnesota, USA - H.C.So and P.C.Ching, "A novel constrained time delay estimator,"
*Proceedings of International Conference on Signal Processing*, vol.1 pp.188-191, Oct. 1993, Beijing, China - H.C.So and P.C.Ching, "Comparative performance of LMSTDE and ETDE for delay and Doppler estimation,"
*Proceedings of the 28th Annual Asilomar Conference on Signals, Systems, and Computers*, Oct. 1994, Pacific Grove, CA, USA - H.C.So, P.C.Ching and Y.T.Chan, "An improvement to the explicit time delay estimator,"
*Proceedings of the International Conference on Acoustics, Speech, and Signal Processing*, vol.5, pp.3151-3154, May 1995, Detroit, Michigan, USA - H.C.So and P.C.Ching, "A generalized equalization-based algorithm for multipath time delay estimation,"
*Proceedings of the International Symposium on Circuits & Systems*, vol.2, pp.556-559, May 1996, Atlanta, USA - H.C.So and P.C.Ching, "Analysis of an adaptive IIR filter for multipath time delay estimation,"
*Proceedings of VIII European Signal Processing Conference*, vol.2, pp.1275-1278, Sept. 1996, Trieste, Italy - S.Q.Wu, H.C.So and P.C.Ching, "Improvement of TDOA measurement using wavelet denoising with a novel thresholding technique,"
*Proceedings of the International Conference on Acoustics, Speech, and Signal Processing*, pp.539-542, April 20-24, 1997, Munich, Germany - Y.T.Chan, Q.Ma, H.C.So and R.Inkol, "Evaluation of FFT methods for single tone detection and frequency estimation,"
*Proceedings of the Canadian Conference on Electrical and Computer Engineering (CCECE'97)*, vol.1, pp. 211-214, May 25-28, 1997, Newfoundland, Canada - Y.T.Chan, H.C.So, and P.C.Ching, "Approximate maximum likelihood delay estimation via orthogonal wavelet transform,"
*Proceedings of the International Symposium on Circuits & Systems*, vol.4, pp.2501-2504, June 9-12, 1997, Hong Kong - H.C.So, Y.T.Chan, Q.Ma and P.C.Ching, "Comparison of various periodograms for single tone detection and frequency estimation,"
*Proceedings of the International Symposium on Circuits & Systems*, vol.4, pp.2529-2532, June 9-12, 1997, Hong Kong - Y.T.Chan, H.C.So, Q.Yuan and R.Inkol, "Detection of stochastic signals in the frequency domain,"
*Proc. of the 19th Biennial Symposium on Communications*, pp.344-348, June 1998, Kingston, Ontario - Y.T.Chan, H.C.So, Q.Yuan and R.Inkol, "Optimum detection of spread spectrum signals,"
*Proc. of Wireless 98*, pp.639-647, July 6-8, 1998, Calgary, Alberta - H.C.So, "A new adaptive algorithm for eliminating sinusoidal interferences,"
*Proc. of the 1998 Midwest Symposium on Circuits & Systems*, August 1998, Notre Dame, Indiana - H.C.So, W.-K.Ma and Y.T.Chan, "Detection of narrowband random signals via spectrum matching,"
*Proc. of the 1998 Midwest Symposium on Circuits & Systems*, August 1998, Notre Dame, Indiana - K.K.Tse, H.S.H.Chung, S.Y.R.Hui, and H.C.So, "Spectral characteristics of random carrier-frequency switching in off-line switched-mode power supply,"
*Proceedings of the 1999 Applied Power Electronics Conference and Exposition*, vol.1, pp.139-145, March 1999, Dallas, USA - K.K.Tse, H.S.H.Chung, S.Y.R.Hui and H.C.So, "A comparative study of using random switching schemes for DC/DC converters,"
*Proceedings of the 1999 Applied Power Electronics Conference and Exposition*, vol.1, pp.160-166, March 1999, Dallas, USA - H.C.So, "Adaptive cancellation of multiple interfering sinusoids,"
*Proceedings of the 1999 Midwest Symposium on Circuits and Systems*, vol.2, pp.692-695, August 1999, Las Cruces, Nex Mexico - H.C.So, "Unbiased FIR system identification in the presence of input and output interference,"
*Proceedings of the 1999 Midwest Symposium on Circuits and Systems*, vol.2, pp.696-700, August 1999, Las Cruces, Nex Mexico - H.C.So, "Fractional lower-order moment based adaptive algorithms for time delay estimation in impulsive noise,"
*Proceedings of the 1999 Midwest Symposium on Circuits and Systems*, pp.985-988, August 1999, Las Cruces, Nex Mexico - H.C.So and Y.T.Chan, "Two algorithms for frequency estimation of a real sinusoid from short data records,"
*Proceedings of the 2000 IEEE International Symposium on Circuits and Systems*, vol.3, pp.391-394, May 2000, Geneva, Switzerland - H.C.So, "Adaptive time delay estimation for sinusoidal signal,"
*Proceedings of the 2000 IEEE International Symposium on Circuits and Systems*, vol.4, pp.501-504, May 2000, Geneva, Switzerland - H.C.So, "Delay estimation using sinusoidal signals,"
*Proceedings of the 2000 International Conference on Acoustics, Speech, and Signal Processing*, vol.5, pp.3168-3171, June 2000, Istanbul, Turkey - H.C.So, "Adaptive single-tone frequency estimation based on autoregressive model,"
*Proceedings of the X European Signal Processing Conference*, September 2000, vol.2, Tampere, Finland - H.C.So and P.C.Ching, "Analysis of an adaptive single-tone frequency estimation algorithm,"
*Proc. of IASTED International Conference on Signal and Image Processing 2000*, November 2000, Las Vegas, Nevada, USA - H.C.So, "Adaptive multipath equalization time delay estimation with bias-removal,"
*Proceedings of the IEEE International Symposium on Circuits and Systems*, vol.2, pp.105-108, May 2001, Sydney, Australia - G.liao, H.C.So and P.C.Ching, "Joint time delay and frequency estimation of multiple sinusoids,"
*Proceedings of the IEEE International Conference on Acoustics, Speech and Signal Processing*, vol.5, pp.3121-3124, May 2001, Salt Lake City, Utah, USA - K.W.Cheung, H.C.So and Y.T.Chan, "Mobile location using time-of-arrival and received signal strength measurements,"
*Proc. Int. Conf. Wireless Communications*, pp.558-565, July 2002, Calgary, Alberta, Canada - H.C.So, "A closed form frequency estimator for a noisy sinusoid," (Invited Paper),
*Proceedings of 45th IEEE Midwest Symposium on Circuits and Systems*, vol.2, pp.160-163, August 2002, Tulsa, Oklahoma, USA - H.C.So, "Least mean square algorithm for unbiased impulse response estimation," (Invited Paper),
*Proceedings of 45th IEEE Midwest Symposium on Circuits and Systems*, vol.2, pp.412-415, August 2002, Tulsa, Oklahoma, USA - H.C.So, "Adaptive time delay estimation with noise suppression for sinusoidal signals,"
*Proceedings of 45th IEEE Midwest Symposium on Circuits and Systems*, vol.2, pp.164-167, August 2002, Tulsa, Oklahoma, USA - H.C.So and S.K.Ip, "A novel frequency estimator and its comparative performances for short record lengths,"
*Proceedings of the XI European Signal Processing Conference (EUSIPCO 2002)*, vol.3, pp.445-448, September 2002, Toulouse, France - K.W.Cheung, H.C.So, W.-K.Ma and Y.T.Chan, "Received signal strength based mobile positioning via constrained weighted least squares,"
*Proceedings of the IEEE International Conference on Acoustics, Speech and Signal Processing*, vol.5, pp.137-140, April 2003, Hong Kong - L.Y.Ngan, Y.Wu, H.C.So, P.C.Ching and S.W.Lee, "Joint time delay and pitch estmation for speaker localization,"
*Proceedings of the IEEE International Symposium on Circuits and Systems*, vol.3, pp.722-725, May 2003, Bangkok, Thailand - K.W.Chan and H.C.So, "An accurate variance expression of Pisarenko's method for sinusoidal frequency estimation,"
*Proc. 7th International Symposium on Signal Processing and its Applications*, vol.2, pp.499-502, July 2003, Paris, France - H.C.So and K.W.Chan, "New insights on Pisarenko's method for sinusoidal frequency estimation,"
*Proc. 7th International Symposium on Signal Processing and its Applications*, vol.2, pp.503-506, July 2003, Paris, France - H.C.So, "Two discrete-time phase delay estimators,"
*Proc. 7th International Symposium on Signal Processing and its Applications*, vol.2, pp.547-550, July 2003, Paris, France - S.M.Savaresi, S.Bittanti and H.C.So, "Closed form frequency estimation using second-order notch filter,"
*Proc. 13th IFAC Symposium on System Identification*, pp.1143-1148, August 2003, Rotterdam, The Netherlands - K.W.Cheung, W.-K.Ma and H.C.So, "Accurate approximation algorithm for TOA-based maximum likelihood mobile location using semidefinite programming,"
*Proceedings of the International Conference on Acoustics, Speech, and Signal Processing*, vol.2, pp.145-148, May 2004, Montreal, Canada - Y.T.Chan, W.Y.Tsui, H.C.So and P.C.Ching, "Time of arrival based localization under NLOS conditions,"
*Proc. Int. Conf. Wireless Communications*, pp.281-287, July 2004, Calgary, Alberta, Canada - H.C.So, Y.T.Chan, K.C.Ho and K.W.Chan, "Unbiased equation-error approach for efficient IIR system identification,"
*Proc. 2004 European Signal Processing Conference*, pp.1907-1910, Sept. 2004, Vienna, Austria - H.C.So and K.W.Chan, "A novel iterative approach for complex single-tone frequency estimation,"
*Proc. 2006 International Conference on Acoustics, Speech, and Signal Processing*, vol.3, pp.77-80, Toulouse, France, May 2006 - H.C.So and K.W.Chan, "A novel signal subspace approach for mobile positioning with time-of-arrival measurements",
*Proc. 2006 European Signal Processing Conference, Florence, Italy, September 2006* - K.W.Chan and H.C.So, "Accurate sequential weighted least squares algorithm for wireless sensor network localization",
*Proc. 2006 European Signal Processing Conference, Florence, Italy, September 2006* - H.C.So, C.T.Chan and K.W.Chan, "On detection of a real sinusoid with short data record",
*Proc. 2006 European Signal Processing Conference, Florence, Italy, September 2006* - F.K.W.Chan, H.C.So and W.-K.Ma, "A novel subspace approach for wireless sensor network positioning with range measurements,"
*Proceedings of the 2007 International Conference on Acoustics, Speech, and Signal Processing*, vol.II, pp.1037-1040, Hawaii, USA, May 2007 - T.C.T.Chan, H.C.So and K.C.Ho, "A study on two-sided linear prediction approach for land mine detection,"
*Proc. 2007 European Signal Processing Conference*, pp.2414-2418, Poznan, Poland, Sept. 2007 - K.W.K.Lui, J.Zheng and H.C.So, "Particle swarm optimization for time-difference-of-arrival based localization,"
*Proc. 2007 European Signal Processing Conference*, pp.414-417, Poznan, Poland, Sept. 2007 - K.W.K.Lui and H.C.So, "An unbiased Pisarenko harmonic decomposition estimator for single-tone frequency,"
*Proc. 2007 European Signal Processing Conference*, pp.956-959, Poznan, Poland, Sept. 2007 - Md.T.Amin, F.K.W.Chan and H.C.So, "Frequency estimation of damped noisy real sinusoid based on linear prediction,"
*Proc. IASTED International Conference on Signal Processing, Pattern Recognition and Applications*, Feb. 2008, Innsbruck, Austria - G.Xing, J.Wang, K.Shen, Q.Huang, X.Jia and H.C.So, "Mobility-assisted spatiotemporal detection in wireless sensor networks,"
*Proc. 28th International Conference on Distributed Computing Systems (ICDCS 2008)*, Jun. 2008, pp.103-110, Beijing, China - H.Chen, K.Sezaki, P.Deng and H.C.So, "An improved DV-hop localization algorithm for wireless sensor networks,"
*Proc. IEEE Conference on Industrial Electronics and Applications (ICIEA 2008)*, pp.1557-1561, June 2008, Singapore - R.Tan, G.Xing, J.Wang and H.C.So, "Collaborative target detection in wireless sensor networks with reactive mobility,"
*Proc. International Workshop on Quality of Service (IWQoS 2008)*, June 2008, pp.150-159, Enschede, The Netherlands - W.Ng, T.C.T.Chan, H.C.So and K.C.Ho, "On particle filters for landmine detection using impulse ground penetrating radar,"
*Proc. IEEE Sensor Array and Multichannel Signal Processing Workshop (SAM 2008)*, pp.225-228, July 2008, Darmstadt, Germany - H.Chen, P.Huang, M.H.T.Martins, H.C.So and K.Sezaki, "Novel centroid localization algorithm for three-dimensional wireless sensor networks,"
*Proc. 4th International Conference on Wireless Communications, Networking and Mobile Computing (WiCOM 2008)*, pp.1-4, Oct. 2008, Dalian, China - H.Chen, P.Huang, H.C.So, X.Luo and P.Deng, "Mobility-assisted cooperative localization scheme for wireless sensor networks,
*Proc. Military Communications Conference (MILCOM 2008)*, pp.1-7, November 2008, San Diego, CA - H.Chen, P.Huang, H.C.So and K.Sezaki, "Mobility-assisted position estimation in wireless sensor networks,"
*Proc. 14th IEEE International Conference on Parallel and Distributed Systems (ICPADS 2008)*, pp.607-614, December 2008, Melbourne, Victoria, Australia - H.Chen, M.H.T.Martins, P.Huang, H.C.So and K.Sezaki, "Cooperative node localization for mobile sensor networks,"
*Proc. 2008 International Conference On Embedded and Ubiquitous Computing (EUC 2008)*, vol.I, pp.302-308, December 2008, Shanghai, China - K.W.K.Lui, W.-K.Ma, H.C.So and F.K.W.Chan,"Semi-definite programming approach to sensor network node localization with anchor position uncertainty,"
*Proceedings of the International Conference on Acoustics, Speech, and Signal Processing (ICASSP 2009)*, pp.2245-22486, April 2009, Taipei, Taiwan - R.F.Chen, C.F.Chan, H.C.So, J.S.C.Lee, C.Y.Leung,"Speech enhancement in car noise environment based on an analysis-synthesis approach harmonic noise model,"
*Proceedings of the International Conference on Acoustics, Speech, and Signal Processing (ICASSP 2009)*, pp.4413-4416, April 2009, Taipei, Taiwan - H.C.So, F.K.W.Chan, C.F.Chan and W.H.Lau, "Utilizing principal singular vectors for two-dimensional single frequency estimation,"
*Proceedings of the International Conference on Acoustics, Speech, and Signal Processing (ICASSP 2010)*, pp.3882-3885, March 2010, Dallas, Texas, USA - R.F.Chen, C.F.Chan and H.C.So, "Noise suppression based on an analysis-synthesis approach,"
*Proc. 2010 European Signal Processing Conference*, pp.1539-1543, August 2010, Aalborg, Denmark - W.Sun and H.C.So, "Improvement to ESPRIT-type frequency estimators via reducing data redundancy,"
*Proceedings of the International Conference on Acoustics, Speech, and Signal Processing (ICASSP 2011)*, pp.4192-4195, May 2011, Prague, Czech Republic - L.Lin and H.C.So, "Best linear unbiased estimator algorithm for received signal strength based localization,"
*Proc. 2011 European Signal Processing Conference*, pp.1989-1993, August 2011, Barcelona, Spain - L.Lin and H.C.So, "New constrained least squares approach for range-based positioning,"
*Proc. 2011 European Signal Processing Conference*, pp.1999-2003, August 2011, Barcelona, Spain - Y.Wu, H.Wang, L.Huang and H.C.So, "Fast algorithm for three-dimensional single near-field source localization with uniform circular array,"
*Proc. IEEE CIE International Conference on Radar*, October 2011, Chengdu, China - K.Liu, H.C.So and L.Huang, "A multi-dimensional model order selection criterion with improved identifiability, "
*Proceedings of the International Conference on Acoustics, Speech, and Signal Processing (ICASSP 2012)*, pp.2441-2444, March 2012, Kyoto, Japan - W.Sun and H.C.So, "Efficient parameter estimation of multiple damped sinusoids by combining subspace and weighted least squares techniques,"
*Proceedings of the International Conference on Acoustics, Speech, and Signal Processing (ICASSP 2012)*, pp.3509-3512, March 2012, Kyoto, Japan - W.Sun, H.C.So and Y.Chen, "Accurate estimation of frequency of a single sinusoid based on downsampling,"
*Proceedings of the International Conference on Acoustics, Speech, and Signal Processing (ICASSP 2012)*, pp.3533-3536, March 2012, Kyoto, Japan - Z.Zhou, H.C.So and F.K.W.Chan, "Optimally weighted MUSIC algorithm for frequency estimation of real harmonic sinusoids,"
- K.Liu, J.P.C.L.da Costa, A.L.F.de Almeida, and H.C.So, "A closed-form solution to semi-blind joint symbol and channel estimation in MIMO-OFDM systems,"
*Proceedings of the IEEE International Conference on Signal Processing, Communications and Computing (ICSPCC 2012)*, August 2012, Hong Kong, China - K.Liu, J.P.C.L.da Costa, L.F.de A.Gadelha, H.C.So and G.A.Borges, "Improved attitude determination for unmanned aerial vehicles with a cross-shaped antenna array,"
*Proceedings of IASTED International Conference on Signal and Image Processing (SIP 2012)*, August 2012, Honolulu, USA - R.S.Ferreira Jr., M.A.M.Marinho, K. Liu, J.P.C.L.da Costa, A.V.Amaral and H.C.So, "Improved landing radio altimeter for unmanned aerial vehicles based on an antenna array,"
*Proceedings of IEEE International Conference on Ultra Modern Telecommunications and Control Systems (ICUMT 2012), October 2012, Saint Petersburg, Russia* - Z.Zhou, M.G.Christensen and H.C.So, "Two stage DOA and fundamental frequency estimation based on subspace techniques,"
*Proceedings of the IEEE International Conference on Signal Processing (ICSP 2012)*, vol.1, pp.210-214, October 2012, Beijing, China - X.Fu, F.K.W.Chan, W.-K.Ma and H.C.So, "A complex-valued semidefinite relaxation approach for two-dimensional source localization using distance measurements and imperfect receiver positions,"
*Proceedings of the IEEE International Conference on Signal Processing (ICSP 2012)*, vol.2, pp.1491-1494, October 2012, Beijing, China - M.A.M.Marinho, R.S.Ferreira Jr., J.P.C.L.da Costa, E.P.de Freitas, F.Antreich, K.Liu, H.C.So, R.T.de Sousa, Jr. and R.Zelenovsky, "Antenna array based positioning scheme for unmanned aerial vehicles,"
*Proceedings of the International ITG Workshop on Smart Antennas (WSA 2013), March 2013, Stuttgart, Germany* - Y.T.Chan, H.C.So, B.H.Lee, F.Chan, B.Jackson and W.Read, "Angle-of-arrival localization of an emitter from air platforms,"
*Proceedings of the Canadian Conference on Electrical and Computer Engineering (CCECE 2013)*, May 2013, Saskatchewan, Canada - K.Liu, H.C.So, J.P.C.L.da Costa and L.Huang, "Core consistency diagnostic aided by reconstruction error for accurate enumeration of the number of components in PARAFAC models,"
*Proceedings of the International Conference on Acoustics, Speech, and Signal Processing (ICASSP 2013)*, pp.6635-6639, May 2013, Vancouver, Canada - Z.Zhou, M.G.Christensen, J.R.Jensen and H.C.So, "Joint DOA and fundamental frequency estimation based on relaxed iterative adaptive approach and optimal filtering,"
*Proceedings of the International Conference on Acoustics, Speech, and Signal Processing (ICASSP 2013)*, pp.6812-6816, May 2013, Vancouver, Canada - K.Liu, J.P.C.L.da Costa, H.C.So, F.Roemer, L.Huang and R.T.de Sousa Jr., "On the use of order selection rules for accurate parameter estimation in threshold region,"
*Proceedings of 2013 European Signal Processing Conference*, September 2013, Marrakech, Morocco - K.Liu, J.P.C.L.da Costa and H.C.So, "Iterative prewhitening for multidimensional harmonic retrieval: New variants and comparative study,"
*Proceedings of IEEE International Workshop on Computational Advances in Multi-Sensor Adaptive Processing*, pp.216-219, December 2013, Saint Martin, USA - R.K.Miranda, J.P.C.L.da Costa, M.A.M.Marinho, E.P.de Freitas, R.de Freitas Ramos, K.Liu, H.C.So and R.T.de Sousa, Jr., "Evaluation of space-time-frequency (STF)-coded MIMO-OFDM systems in realistic channel models,"
*Proceedings of IEEE International Conference on Advanced Information Networking and Applications (AINA-2014)*, pp.310-315, May 2014, Victoria, Canada - C.Qian, L.Huang, Y.Shi and H.C.So, "Joint angle and frequency estimation using structured least squares,"
*Proceedings of the International Conference on Acoustics, Speech, and Signal Processing (ICASSP 2014)*, pp.2996-3000, May 2014, Florence, Italy - D.Yin, H.C.So, Y.Gu, "Sparse constraint affine projection algorithm with parallel implementation and application in compressive sensing,"
*Proceedings of the International Conference on Acoustics, Speech, and Signal Processing (ICASSP 2014)*, pp.7288-7292, May 2014, Florence, Italy - R.Li, L.Huang, Y.Shi and H.C.So, "Gerschgorin disk-based robust spectrum sensing for cognitive radio,"
*Proceedings of the International Conference on Acoustics, Speech, and Signal Processing (ICASSP 2014)*, pp.7328-7332, May 2014, Florence, Italy - W.-Q.Wang, H.C.So, L.-T.Huang and Y.Chen, "Low peak-to-average ratio OFDM chirp waveform diversity design,"
- L.-T.Huang, H.C.So, Y.Chen and W.-Q.Wang, "Truncated nuclear norm minimization for tensor completion,"
*Proceedings of IEEE Sensor Array and Multichannel Signal Processing Workshop (SAM 2014)*, pp.417-420, June 2014, A Coruña, Spain - Y.Chen, E.E.Kuruoglu, H.C.So, L.-T.Huang and W.-Q.Wang, "Density parameter estimation for additive Cauchy-Gaussian mixture,"
*Proceedings of IEEE Workshop on Statistical Signal Processing (SSP 14)*, pp.205-208, June-July 2014, Gold Coast, Australia - Y.Chen, H.C.So, L.-T.Huang and W.-Q.Wang, "
*l*1-norm based nonparametric and semiparametric approaches for robust spectral analysis,"*Proceedings of IEEE Workshop on Statistical Signal Processing (SSP 14)*, pp.328-331, June-July 2014, Gold Coast, Australia - Y.Chen, E.E.Kuruoglu and H.C.So, "Estimation under additive Cauchy-Gaussian noise using Markov chain Monte Carlo,"
*Proceedings of IEEE Workshop on Statistical Signal Processing (SSP 14)*, pp.356-359, June-July 2014, Gold Coast, Australia - L.Liu, C.Duan, H.C.So, A.Jin and X.Wang, “An investigation of geostationary Doppler weather radar performance based on mean Doppler radial velocity and spectrum width measurements,”
*Proceedings of International Geoscience and Remote Sensing Symposium (IGARSS 2014)*, pp.710-713, July 2014, Quebec, Canada - C.Qian, L.Huang, Y.Shi and H.C.So, "Joint direction-of-arrival and frequency estimation without source enumeration,"
*Proceedings of the International Conference on Acoustics, Speech, and Signal Processing (ICASSP 2015)*, pp.2644-2648, April 2015, Brisbane, Australia - M.-Y.Cao, L.Huang, W.-X.Xie and H.C.So, “Interpolation array technique for direction finding via Taylor series fitting,”
*Proceedings of IEEE China Summit and International Conference on Signal and Information Processing (ChinaSIP 2015)*, pp.736-740, July 2015, Chengdu, China - Z.-Q.He, Z.-P.Shi, L.Huang and H.C.So, “Iteratively reweighted sparse reconstruction in impulsive noise,”
*Proceedings of IEEE China Summit and International Conference on Signal and Information Processing (ChinaSIP 2015)*, pp.741-745, July 2015, Chengdu, China - Y.Shi, L.Huang, C.Qian, Y.Wang, W.Xie, H.C.So, “A novel worst-case robust beamformer based on interference-plus-noise covariance reconstruction and uncertainty level estimation,”
*Proceedings of IEEE China Summit and International Conference on Signal and Information Processing (ChinaSIP 2015)*, pp.746-750, July 2015, Chengdu, China - C.Qian, N.Sidiropoulos, K.Huang, L.Huang and H.C.So, "Least squares phase retrieval using feasible point pursuit,"
*Proceedings of the International Conference on Acoustics, Speech, and Signal Processing (ICASSP 2016)*, pp.4288-4292, March 2016, Shanghai, China - W.Sun, X.Lin, H.C.So, L.Huang and Q.Li, "Iteratively reweighted tensor SVD for robust multi-dimensional harmonic retrieval,"
*Proceedings of the International Conference on Acoustics, Speech, and Signal Processing (ICASSP 2016)*, pp.4318-4322, March 2016, Shanghai, China - Y.-H.Xiao, L.Huang, J.Xie and H.C.So, "Accurate asymptotic analysis for John’s test in multichannel signal detection,"
*Proceedings of the International Conference on Acoustics, Speech, and Signal Processing (ICASSP 2016)*, pp.4358-4362, March 2016, Shanghai, China - Z.-Q.He, Z.-P.Shi, L.Huang, H.Li and H.C.So, "Sparse recovery of multiple measurement vectors in impulsive noise: A smooth block successive minimization algorithm,"
- B.Liao, C.Guo, L.Huang, Q.Li and H.C.So, "A robust beamformer with main beam control,"
*Proceedings of IEEE Sensor Array and Multichannel Signal Processing Workshop (SAM 2016)*, pp.1-5, July 2016, Rio de Janeiro, Brazil - C.Qian, J.Xie, L.Huang and H.C.So, "Computationally efficient PUMA algorithm for two-dimensional frequency estimation of a single-tone via DFT beamspace transformation,"
*Proceedings of CIE International Conference on Radar*, October 2016, Guangzhou, China - Y.Chen, L.-T.Huang, W.Sun and H.C.So, "An adaptive parameter estimator for unbalanced three-phase system,"
*Proceedings of International Conference on Digital Signal Processing*, pp.1-4, August 2017, London, United Kingdom - B.Liao, C.Guo and H.C.So, "Direction-of-arrival estimation in nonuniform noise via low-rank matrix decomposition,"
*Proceedings of International Conference on Digital Signal Processing*, pp.1-4, August 2017, London, United Kingdom (Received Best Paper Award) - H.Wang, R.Feng, C.S.Leung and H.C.So, "A Lagrange programming neural network approach for robust ellipse fitting,"
*Proceedings of International Conference on Neural Information Processing (ICONIP 2017)*, pp.686-696, November 2017, Guangzhou, China - J.Xu, J.Kang, G.Liao and H.C.So, "Mainlobe deceptive jammer suppression with FDA-MIMO radar,"
*Proceedings of IEEE Sensor Array and Multichannel Signal Processing Workshop (SAM 2018)*, pp.504-508, July 2018, Sheffield, United Kingdom - C.Qian, Y.Shi, L.Huang and H.C.So, "Robust spectrum estimation via majorization minimization,"
*Proceedings of IEEE Sensor Array and Multichannel Signal Processing Workshop (SAM 2018)*, pp.529-532, July 2018, Sheffield, United Kingdom - W.M.Chan, W.S.Tam, C.W.Kok, H.C.So, "Delay-line precoder based analog-digital MIMO systems with MMSE equalizer,"
*Proceedings of IEEE Global Conference on Signal and Information Processing (GlobalSIP)*, pp.1262-1265, November 2018, Anaheim, California, USA - W.Fan, J.Liang, G.Yu, H.C.So and J.Li, "Robust Capon beamforming via ADMM,"
*Proceedings of International Conference on Acoustics, Speech, and Signal Processing*, pp.4345-4349, May 2019, Brighton, UK - Y.Chen, W.Sun, L.-T.Huang and H.C.So, "Iteratively reweighted linear least squares for frequency estimation in unbalanced three-phase power,"
*Proceedings of International Conference on Acoustics, Speech, and Signal Processing*, pp.8097-8101, May 2019, Brighton, UK - W.-Q.Wang, H.C.So and A.Farina, "FDA-MIMO signal processing for mainlobe jammer suppression,"
*Proceedings of European Signal Processing Conference*, September 2019, A Coruña, Spain - L.Guo, C.W.Kok, H.C.So and W.S.Tam, "Two-band signal reconstruction from periodic nonuniform samples,"
*Proceedings of European Signal Processing Conference*, September 2019, A Coruña, Spain - W.Xiong, H.C.So, J.Wendeberg, and C.Schindelhauer, “Robust elliptic localization sing worst-case formulation and convex approximation,”
*Proceedings of IEEE Workshop on Positioning, Navigation and Communications*, October 2019, Bremen, Germany (Received Best Paper Award) - H.Huang, H.C.So and A.Zoubir, “Extended cyclic coordinate descent for robust row-sparse signal reconstruction in the presence of outliers,”
*to appear in Proceedings of International Conference on Acoustics, Speech, and Signal Processing, May 2020, Barcelona, Spain* - X.Jiang, H.C.So and X.Liu, “Robust phase retrieval with outliers,”
*to appear in Proceedings of International Conference on Acoustics, Speech, and Signal Processing, May 2020, Barcelona, Spain* - F.Wen, H.C.So and H.Wymeersch, “Tensor decomposition-based beamspace ESPRIT algorithm for multidimensional harmonic retrieval,”
*to appear in Proceedings of International Conference on Acoustics, Speech, and Signal Processing, May 2020, Barcelona, Spain* - J.Xu and H.C.So, “Study on coding scheme with EPC-MIMO radar in clutter-free scenario,”
*to appear in the Proceedings of IEEE Sensor Array and Multichannel Signal Processing Workshop, June 2020, Hangzhou, China* - H.Huang, A.M.Zoubir and H.C.So, “A compressive sensing approach for single-snapshot adaptive beamforming,”
*to appear in the Proceedings of IEEE Sensor Array and Multichannel Signal Processing Workshop, June 2020, Hangzhou, China* - R.Gui, W.-Q.Wang and H.C.So, “Target reflectivity charaterization for FDA radar,”
*to appear in the Proceedings of IEEE Sensor Array and Multichannel Signal Processing Workshop, June 2020, Hangzhou, China*

- K.W.Cheung, H.C.So, W.-K. Ma and Y.T.Chan, "Least squares algorithms for time-of-arrival based mobile location,"
*Proc. ACM Hong Kong Postgraduate Research Day*, January 2003, The Hong Kong Polytechnic University, Hong Kong - 蘇慶祥, "一位成為 IEEE Fellow 的城大畢業生,"
*Concord*, pp.3-5, no.39, Feb. 2015 - 蘇慶祥(攝影), "郊遊活動,"
*中信月刊*, no.56, vol.660, April 2017 - 蘇慶祥, "學習探究 人工智能第三波,"
*《信報》*, 「教育講論」, 6 May 2017 - H.C.So, "淺談人工智能,"
*Concord*, pp.1-2, no.44, May 2017 - A.Kwasinski and M.Wu, "What do you consider a “successful” career? Perspectives from signal processing-trained professionals,"
*IEEE Signal Processing Magazine*, pp.10-12, no.34, July 2017 - H.C.So, "Low-rank matrix approximation and recovery,"
*Emerging Technologies Forum: Advances in Artificial Intelligence*, September 2017, City University of Hong Kong, Hong Kong - H.C.So, "AI and you,"
*EE3013 Engineers in Society*, February 2018, City University of Hong Kong, Hong Kong - H.C.So, "AI and matrix,"
*HK SciFest 2018*, April 2018, Hong Kong Science Museum, Hong Kong (Youtube Channel) - 蘇慶祥, "影照世情,"
*中信月刊*, no.58, vol.688, August 2019 - 蘇慶祥, "影照世情,"
*中信月刊*, no.59, vol.695, March 2020