International Journal Papers

(Impact factor 4.735, rank 4 out of 226 electrical and electronics journals)

(Impact factor 3.134, rank 21 out of 226 electrical and electronics journals)

2. J. X. Chen, J. Shi, Z. H. Bao, and Q. Xue, “A parallel-strip line differential oscillator with high suppression of second harmonics,” Journal of Electomagnetic Waves and Applications, vol. 23, no.16, pp.2219-2228, Aug. 2009.

3. S. W. Qu*, C. H. Chan, and Q. Xue, “Ultrawideband composite cavity-backed rounded triangular bowtie antenna with stable pattern,” Journal of Electomagnetic Waves and Applications, vol. 23, no.5-6, pp.685-695, Jun. 2009.

(Impact factor 2.711, rank 29 out of 226 electrical and electronics journals)

4. Y. L. Wu, Y. A. Liu, and Q. Xue, “An analytical approach for a novel coupled line dual-band Wilkinson power divider,” accepted for publication in IEEE Trans. Microwave Theory and Tech.

5. Y. L. Wu, Y. A. Liu, Q. Xue, S. L. Li, and C. P. Yu, “Analytical design method of multi-way dual-band planar power dividers with arbitrary power division,” IEEE Trans. Microwave Theory and Tech., vol.58, no.12, pp. 3832-3841, Dec. 2010

6. W. J. Feng, Q. Xue, and W. Q. Che, “Compact planar magic-T based on the double-sided parallel-strip line and the slotline coupling,” IEEE Trans. Microwave Theory and Tech., vol.58, no.11, pp. 2915-2923, Nov. 2010.

7. J. Shi*, and Q. Xue, “Dual-band and wide-stopband single-band balanced bandpass filters with high selectivity and common-mode suppression,” IEEE Trans. Microwave Theory and Tech., vol.58, no.8, pp. 2204-2212, Aug. 2010.

8. X. Zhang*, Q. Xue, and C. H. Chan, and B. J. Hu, “Low-loss frequency-agile bandpass filters with controllable bandwidth and suppress second harmonics,” IEEE Trans. Microwave Theory and Tech., vol.58, no.6, pp. 1557-1564, Jun. 2010.

9. L. Chiu*, and Q. Xue, “Investigation of a wideband 90°coupler with an arbitrary coupling level,” IEEE Trans. Microwave Theory and Tech., vol.58, no.4, pp. 1022-1029, Apr. 2010.

10. K. J. Song, and Q. Xue, “Inductance-loaded Y-shaped resonators and their applications to filters,” IEEE Trans. Microwave Theory and Tech., vol.58, no.11, pp. 978-984, Apr. 2010.

11. J. Shi*, and Q. Xue, “Balanced bandpass filters using center-loaded half-wavelength resonators,” IEEE Trans. Microwave Theory and Tech., vol.58, no.11, pp. 970-977, Apr. 2010.

12. X. Y. Zhang*, and Q. Xue, “High-selectivity tunable bandpass filters with harmonic suppression,” IEEE Trans. Microwave Theory and Tech., vol.58, no.11, pp. 964-969, Apr. 2010.

13. K. J. Song, and Q. Xue, “Planar probe coaxial-waveguide power combiner/divider,” IEEE Trans. Microwave Theory and Tech., IEEE Trans. Microwave Theory and Tech., vol.57, no.11, pp. 2761-2767, Nov. 2009.

14. G. L. Dai*, X. Y. Zhang*, C. H. Chan, Q. Xue, and M. Y. Xia, “An investigation of open- and short-ended resonators and their applications to bandpass filters,” IEEE Trans. Microwave Theory and Tech., vol.57, no.9, pp. 2203-2210, Sept. 2009.

15. J. L. Li*, S. W. Qu*, and Q. Xue, “A theoretical and experimental study of injection-locked fractional frequency dividers,” IEEE Trans. Microwave Theory and Tech., vol.56, no.11, pp. 2399-2408, Nov. 2008.

16. J. Shi*, J. X. Chen*, and Q. Xue, “A differential voltage-controlled integrated antenna oscillator based on double-sided parallel-strip line,” IEEE Trans. Microwave Theory and Tech., vol.56, no.10, pp. 2207-2212, Oct. 2008.

17. L. Chiu*, Q. Xue, and C. H. Chan, “Phase conjugated arrays using low conversion-loss resistive phase conjugating mixers and stub-loaded patch antennas,” IEEE Trans. Microwave Theory and Tech., vol.56, no.8, pp. 1764-1733, Aug. 2008.

18. S. Y. Zhen*, S. H. Yeung, W. S. Chan, K. F. Man, S. H. Leung, and Q. Xue, “Dual-band rectangular patch hybrid coupler”, IEEE Trans. Microwave Theory and Tech., vol.56, no.7, pp. 1721-1728, Jul. 2008.

19. X. Y. Zhang*, and Q. Xue, “Novel centrally loaded resonators and their applications to bandpass filters,” IEEE Trans. Microwave Theory and Tech., vol.56, no.4, pp. 913-921, Apr. 2008.

20. L. Chiu*, and Q. Xue, “A parallel-strip ring power divider with high isolation and arbitrary power dividing ratio,” IEEE Trans. Microwave Theory and Tech., vol.55, no.11, pp. 2419-2426, Nov. 2007.

21. X. Y. Zhang*, and Q. Xue, “Novel dual-mode dual-band bandpass filters using coplanar-waveguide-fed ring resonators,” IEEE Trans. Microwave Theory and Tech., vol.55, no.10, pp. 2183-2190, Oct. 2007.

22. J. X. Chen*, C. H. K. Chin*, and Q. Xue, “Double-sided parallel-strip line with an inserted conductor plane and its applications,” IEEE Trans. Microwave Theory and Tech., vol.55, no.9, pp. 1899-1904, Sept. 2007.

23. T. T. Mo*, Q. Xue, and C. H. Chan, “A wideband CPW rat-race ring,” IEEE Trans. Microwave Theory and Tech., vol. 53, no. 1, pp.161-167, Jan. 2007.

24. T. Y. Yum*, L. Chiu*, C. H. Chan, and Q. Xue, “High-efficiency linear RF amplifier – a unified circuit approach to achieving compactness and low distortion,” IEEE Trans. Microwave Theory and Tech., vol.54, no.8, pp. 3255-3266, Aug. 2006.

25. K. M. Shum*, T. T. Mo*, Q. Xue, and C. H. Chan, “A compact bandpass filter with two tuning zeros using a CMRC resonator,” IEEE Trans. Microwave Theory and Tech., vol.53, no.3, pp. 895-899, Mar. 2005.

26. T. Y. Yum*, Q. Xue, and C. H. Chan, “Amplifier linearization using compact microstrip resonant cell (CMRC) structure – theory and experiment,” IEEE Trans. Microwave Theory and Tech., vol.52, no.3, pp. 927 – 934, Mar. 2004.

27. T. Y. Yum*, Q. Xue, and C. H. Chan, “Novel sub-harmonically pumped mixer incorporating dual-band and in-line SCMRC,” IEEE Trans. Microwave Theory and Tech., vo.51, no.12, pp. 2538 – 2547, Dec. 2003.

28. Q. Xue, K. M. Shum*, and C. H. Chan, “Low conversion loss fourth subharmonic mixers incorporating CMRC for microwave and millimeter wave,” IEEE Trans. Microwave Theory Tech., vol. 51, no. 5, pp. 1449-1454, May 2003.

(Impact factor 2.479, rank 36 out of 226 electrical and electronics journals)

29. L. Chiu, Q. Xue, and C. H. Chan, “A 4-Element Balanced Retrodirective Array for Direct Conversion Transmitter,” Accepted to be published in IEEE Trans. on Antennas and Propagation.

30. Y. Li, Q. Xue, K. N. Yung, and Y. L. Long, “The backfire-to-broadside symmetrical beam-scanning periodic offset microstrip antenna,” IEEE Trans. on Antennas and Propagation, vol.58, no.11, pp.3499-3504, Nov. 2010.

31. S. Q. Qu*, C. H. Chan, and Q. Xue, “Wideband and high-gain composite cavity-backed crossed triangular bowtie dipoles for circularly polarized radiation,” IEEE Trans. on Antennas and Propagation, vol.58, no.10, pp.3157-3164, Oct. 2010.

32. Y. Li, Q. Xue, K. N. Yung, and Y. L. Long, “The periodic half-width microstrip leaky-wave antenna with a backward to forward scanning capability,” IEEE Trans. on Antennas and Propagation, vol.58, no.3, pp.963-966, Mar. 2010.

33. S. Q. Qu*, C. H. Chan, and Q. Xue, “Ultrawideband complex cavity-backed folded sectorial bowtie antenna with stable pattern and high gain,” IEEE Trans. on Antennas and Propagation, vol.57, no.8, pp.2478-2483, Aug. 2009.

34. S. W. Qu*, J. L. Li*, Q. Xue, C. H. Chan, and S. Li, “Wideband and unidirectional cavity-backed folded triangular bowtie antenna,” IEEE Trans. on Antennas and Propagation, vol.57, no.4, pp.1259-1263, Apr. 2009.

35. Y. Li, Q. Xue, K. N. Yung, and Y. L. Long, “Quasi microstrip leaky-wave antenna with a 2-dimensional beam-scanning capability,” IEEE Trans. on Antennas and Propagation, vol.57, no.2, pp.347-354, Feb. 2009.

36. S. W. Qu*, J. L. Li*, Q. Xue, and C. H. Chan, “Wideband cavity-backed bowtie antenna with pattern improvement,” IEEE Trans. on Antennas and Propagation, vol.56, no.12, pp. 3850-3854, Dec. 2008.

37. S. W. Qu*, J. L. Li*, and Q. Xue, “High-gain wideband leaky-wave antenna excited by bowtie element,” IEEE Trans. on Antennas and Propagation, vol.56, no.8, pp. 2469-2474, Aug. 2008.

38. Y. Li, Q. Xue, K. N. Yung, and Y. L. Long, “Dual-beam scanning microstrip leaky wave antenna with fixed operating frequency,” IEEE Trans. on Antennas and Propagation, vol.56, no.1, pp. 248-252, Jan. 2008.

39. S. W. Qu*, J. L. Li*, J. X. Chen*, and Q. Xue, “Ultra-wideband strip-loaded circular slot antenna with improved radiation patterns,” IEEE Trans. on Antennas and Propagation, vol.55, no.11, pp. 3348-3353, Nov. 2007.

40. K. C. H. Chin*, Q. Xue, and H. Wong, “Broad-band patch antenna with a folded plate pair as a differential feeding scheme,” IEEE Trans. on Antennas and Propagation, vol.55, no.9, pp. 2461-2467, Sept. 2007.

41. K. W. Wong*, L. Chiu*, and Q. Xue, “A 2-D Van Atta array using star-shaped antenna elements,” IEEE Trans. on Antennas and Propagation, vol.55, no.4, pp. 1204-1206, Apr. 2007.

42. S. W. Qu*, C. L. Ruan, and Q. Xue, “A planar folded ultra-wideband antenna with gap-loading,” IEEE Trans. on Antennas and Propagation, vol.55, no.1, pp. 216-220, Jan. 2007.

(Impact factor 2.302, rank 40 out of 226 electrical and electronics journals)

43. S. C. Chen*, and Q. Xue, “A class-F power amplifier with CMRC,” accepted for publication in IEEE Microwave and Wireless Components Letters.

44. X. Y. Zhang*, C. H. Chan, Q. Xue, and B. J. Hu, “Dual-band bandpass filter with controllable bandwidths using two coupling paths,” IEEE Microwave and Wireless Components Letters, vol. 20, no.11, pp. 616-618, Nov. 2010.

45. X.　H. Wang, Q. Xue, and W. W. Choi, “A novel ultra-wideband differential filter based on double-side parallel-strip line,” IEEE Microwave and Wireless Components Letters, vol. 20, no.8, pp. 471-473, Aug. 2010.

46. K. J. Song, and Q. Xue, “A Compact ultra-wideband (UWB) bandpass filters with multiple notched bands,” IEEE Microwave and Wireless Components Letters, vol. 20, no.8, pp. 447-449, Aug. 2010.

47. Y. C. Li*, X. Y. Zhang*, and Q. Xue, “Bandpass filter using discriminating coupling for extended out-of-band suppression,” IEEE Microwave and Wireless Components Letters, vol. 20, no.7, pp. 369-371, Jul. 2010.

48. X. Y. Zhang*, Q. Xue, and B. J. Hu “Planar tri-band bandpass filter with compact size,” IEEE Microwave and Wireless Components Letters, vol. 20, no.5, pp. 262-264, May 2010.

49. K. J. Song, Y. Fan, and Q. Xue, “Millimeter-wave power amplifier based on coaxial-waveguide power-combining circuits,” IEEE Microwave and Wireless Components Letters, vol. 20, no.1, pp. 46-48, Jan. 2010.

50. J. Shi*, and Q. Xue, “Novel balanced dual-band bandpass filter using coupled step-impedance resonators,” IEEE Microwave and Wireless Components Letters, vol. 20, no.1, pp. 19-21, Jan. 2010.

51. K. J. Song, and Q. Xue, “Novel ultra-wideband (UWB) multilayer slotline power divider with bandpass response,” IEEE Microwave and Wireless Components Letters, vol. 20, no.1, pp. 13-15, Jan. 2010.

52. X. Y. Zhang*, and Q. Xue, “Harmonic-suppressed bandpass filter based on discriminating coupling,” IEEE Microwave and Wireless Components Letters, vol. 19, no.11, pp. 695-697, Nov. 2009.

53. K. J. Song, and Q. Xue, “Novel broadband bandpass filters using Y-shaped dual-mode microstrip resonators,” IEEE Microwave and Wireless Components Letters, vol. 19, no.9, pp. 548-550, Sept. 2009.

54. X. Y. Zhang*, J. Shi*, J. X. Chen*, and Q. Xue, “Dual-band bandpass filter design using a novel feed scheme,” IEEE Microwave and Wireless Components Letters, vol. 19, no.6, pp. 350-352, Jun. 2009.

55. K. W. Wong*, L. Chiu*, and Q. Xue, “Wideband parallel-strip bandpass filter using phase inverter,” IEEE Microwave and Wireless Components Letters, vol. 18, no.8, pp. 503-505, Aug. 2008.

56. J. X. Chen*, K. W. Lau*, K. Y. Chan, C. H. K. Chin*, Q. Xue, and C. H. Chan, “A double-side parallel-strip line push-pull oscillator,” IEEE Microwave and Wireless Components Letters, vol. 18, no.5, pp. 335-337, May. 2008.

57. Y. Lou*, C. H. Chan, and Q. Xue, “An in-line waveguide-to-microstrip transition using radial-shaped probe,” IEEE Microwave and Wireless Components Letters, vol. 18, no.5, pp. 311-313, May. 2008.

58. T. Yang, J. X. Chen*, X. Y. Zhang*, and Q. Xue, “A dual band out of phase power divider,” IEEE Microwave and Wireless Components Letters, vol. 18, no.3, pp. 188-190, Mar. 2008.

59. X. Y. Zhang*, J. X. Chen*, and Q. Xue, and S. M. Li, “Dual-band bandpass filters using stub-loaded resonators,” IEEE Microwave and Wireless Components Letters, vol. 17, no.8, pp. 583-585, Aug. 2007.

60. J. Shi*, J. X. Chen*, and Q. Xue, “A quasi-elliptic function dual-band bandpass filter stacking spiral-shaped CPW defected ground structure and back-side coupled strip lines,” IEEE Microwave and Wireless Components Letters, vol. 17, no.6, pp. 430-312, Jun. 2007.

61. Y. Lou*, Q. Xue, and C.H. Chan, “A broadband waveguide-to-microstrip transition/power splitter using finline arrays,” IEEE Microwave and Wireless Components Letters, vol. 17, no.4, pp. 310-312, Apr.. 2007.

62. J. X. Chen*, and Q. Xue, “Novel 5:1 unequal Wilkinson power divider using offset double-sided parallel-strip lines,” IEEE Microwave and Wireless Components Letters, vol. 17, no.3, pp. 175-177, Mar.. 2007.

63. X. Y. Zhang*, J. X. Chen*, and Q. Xue, “Broadband transition between double-sided parallel-strip line and coplanar waveguide,” IEEE Microwave and Wireless Components Letters, vol. 17, no.2, pp. 103-105, Feb. 2007.

64. K. M. Shum*, W.T. Luk*, C.H. Chan, and Q. Xue, “A UWB bandpass filter with two transmission zeros using a single stub with CMRC,” IEEE Microwave and Wireless Components Letters, vol. 17, no.1, pp. 43-45, Jan. 2007.

65. K. C. Wan*, and Q. Xue, “Indirect controlled phased source,” IEEE Microwave and Wireless Components Letters, vol. 16, no.12, pp. 702-704, Dec. 2006.

66. J. X. Chen*, T. Y. Yum*, J. L. Li*, and Q. Xue, “Dual-mode dual-band bandpass filter using stacked-loop structure,” IEEE Microwave and Wireless Components Letters, vol. 16, no.9, pp. 502-504, Sept. 2006.

67. L. Chiu*, T. Y. Yum*, Q. Xue, and C. H. Chan, “A wideband compact parallel-strip 180° Wilkinson power divider for push–pull circuitries,” IEEE Microwave and Wireless Components Letters, vol. 16, no.1, pp. 49-51, Jan. 2006.

68. S.-H. S. Yang*, Q. Xue, and K.-M. Luk, “A wideband low noise amplifier design incorporating the CMRC circuitry,” IEEE Microwave and Wireless Components Letters, vol. 15, no.5, pp. 315-317, May 2005.

69. Y. F. Liu*, T. Y. Yum*, Q. Xue, and C. H. Chan, “A high conversion gain microwave frequency doubler design incorporating the CMRC circuitry,” IEEE Microwave and Wireless Components Letters, vol.14, no.3, pp. 109 – 111, Mar. 2004.

70. K. M. Shum*, Q. Xue, and C. H. Chan, “A novel microstrip ring hybrid incorporating a PBG cell,” IEEE Microwave and Wireless Components Letters, vol. 11, no. 6, pp. 258-260, Jun. 2001.

71. Q. Xue, K. M. Shum*, and C. H. Chan, “A novel oscillator incorporating a compact microstrip resonant cell,” IEEE Microwave and Wireless Components Letters, vol. 11, no.5, pp. 202-204, May 2001.

72. Q. Xue, K. M. Shum*, and C. H. Chan, “Novel 1-D microstrip PBG Cells”, IEEE Microwave and Guided Wave Letters, vol. 10, no. 10, pp. 403-405, Oct. 2000.

(Impact factor 1.140, rank 108 out of 226 electrical and electronics journals)

73. W. X. An, K. L. Lau, S. F. Li, and Q. Xue, “Wideband E-shaped dipole antenna with a stair-shaped feeding strip,” accepted for publications.

74. K. J. Song, and Q. Xue, “Asymmetric dual-line coupling structure for multiple-notch implementation in ultra-wideband (UWB) bandpass filters,” Electronics Letters, vol. 46, no.20, pp. 1388-1390, Oct. 2010.

75. Q. Xue, and K. J. Song, “Ultra-wideband (UWB) coaxial-waveguide power divider with flat group delay response,” Electronics Letters, vol. 46, no.17, pp. 1236-1237, Aug. 2010.

76. Z. H. Bao, J. X. Chen, E. H. Lim, and Q. Xue, “Compact microstrip diplexer with differential outputs,” Electronics Letters, vol. 46, no.11, pp. 766-768, May 2010.

77. X. H. Tang, K. L. Lau, Q. Xue, and Y. L. Long, “Miniature circularly polarized patch antenna,” Electronics Letters, vol. 46, no.6, pp. 391-392, Mar. 2010.

78. Q. Xue, and S. W. Qu, “Compact loaded slot ring antenna for circularly polarized radiation,” Electronics Letters, vol. 45, no.17, pp. 866-867, Aug. 2009.

79. J. Shi*, X. Y. Zhang*, K. W. Lau*, J. X. Chen*, and Q. Xue, “Directional coupler with high directivity using metallic cylinders on microstrip line,” Electronics Letters, vol. 45, no.8, pp. 415-417, Apr. 2009.

80. J. L. Li*, S. W. Qu*, and Q. Xue, “Compact microstrip low-pass filter with sharp roll-off and wide stop-band,” Electronics Letters, vol. 45, no.2, pp. 110-111, Jan. 2009.

81. X. Y. Zhang*, J. X. Chen*, J. Shi*, and Q. Xue, “High-selectivity dual-band bandpass filter using asymmetric stepped-impedance resonators”, Electronics Letters, vol. 45, no.1, pp. 63-64, Jan. 2009.

82. L. Chiu*, and Q. Xue, “A wideband parallel-Strip 90° hybrid coupler with swap'”, Electronics Letters, vol. 44, no.11, pp. 687-pp688, May 2008.

83. T. Yang, J. X. Chen*, and Q. Xue, “Three-way out-of-phase power divider,” Electronics Letters, vol. 44, no.7, pp. 482-483, Mar. 2008.

84. Y. Li, Q. Xue, K. N. Yung, and Y. L. Long, “Two-dimensional beam-scanning microstrip leaky-wave antenna”, Electronics Letters, vol. 44, no.3, pp. 183-185, Jan. 2008.

85. Q. Xue, and J. X. Chen*, “Compact diplexer based on double-sided parallel-strip line,” Electronics Letters, vol. 44, no.2, pp. 123-124, Jan. 2008.

86. J. L. Li*, S. W. Qu*, and Q. Xue, “Miniaturized branch-line balun with bandwidth enhancement,” Electronics Letters, vol. 43, no.17, pp. 931-932, Aug. 2007.

87. K. C. Wan*, and Q. Xue, “A simple adaptive matching antenna,” Electronics Letters, vol. 43, no.14, Jul. 2007.

88. Y. Li, Q. Xue, K. N. Yung, and Y. Long, “Circularly-polarized microstrip leaky-wave antenna,” Electronics Letters, vol. 43, no.14, Jul. 2007.

89. K. W. Wong*, L. Chiu*, and Q. Xue,“2-D phase-conjugated retrodirective array with information carrying capability,” Electronics Letters, vol. 43, no.12, pp. 653-654, Jun. 2007.

90. S. Y. Zheng*, W. S. Chan, S. H. Leung, and Q. Xue, “Broad band butler matrix with flat coupling,” Electronics Letters, vol. 43, no.10, pp. 576-577, May 2007.

91. K. Deng*, Q. Xue, and W. Che, “Improved compact microstrip resonance cell lowpass filter with wide stopband characteristics,” Electronics Letters, vol. 43, no.8, pp. 463-464, Apr. 2007.

92. J. L. Li*, S. W. Qu*, and Q. Xue, “'Microstrip directional coupler with flat coupling and high isolation,” Electronics Letters, vol. 43, no.4, pp. 228-229, Feb. 2007.

93. K. W. Lau*, Q. Xue, and C. H. Chan, “A novel self-adaptive biasing technique for microwave bipolar amplifier linearization,” Electronics Letters, vol. 43, no.3, pp. 166-167, Feb. 2007.

94. C. H. K. Chin*, Q. Xue, H. Wong, and X. Y. Zhang*, “Broadband patch antenna with low cross-polarization,” Electronics Letters, vol. 43, no.3, pp. 137-138, Feb. 2007.

95. J. X. Chen*, C. H. K. Chin*, K. W. Lau*, and Q. Xue, “180 degree out-of-phase power divider based on double-sided parallel-strip lines,” Electronics Letters, vol. 42, no.21, pp. 1229-1230, Oct. 2006.

96. S. W. Qu*, J. L. Li*, and Q. Xue, “Broadband microstrip-line-med wide slot antenna with improved patterns,” Electronics Letters, vol. 42, no.16, pp. 893-894, Aug. 2006.

97. J. X. Chen*, J. L. Li*, and Q. Xue, “Lowpass filter using offset double-sided parallel-strip lines,” Electronics Letters, vol. 41, no. 24, pp. 1336-1337, Nov. 2005.

98. J. L. Li*, J. X. Chen*, J. P. Wang, W. Shao, Q. Xue, and L.J. Xue, “Miniaturized microstrip bandpass filter using stepped impedance ring resonators,” Electronics Letters ,vol. 40 , no. 22 , pp. 1420-1421, Oct. 2004.

99. C. Jianxin*, Y. Mengxia, X. Jun, and X. Quan, “Compact microstrip lowpass filter,” Electronics Letters, vol. 40, no.11, pp. 674-675, May 2004.

100. C. Jianxin,* Y. Mengxia, X. Jun, and X. Quan, “Compact microstrip bandpass filter with two transmission zeros,” Electronics Letters, vol. 40, no.5, pp. 311-313, Mar. 2004

101. Q. S. Wu, Q. Xue, and C. H. Chan, “A new bandpass filter using microstrip ring resonators,” Electronics Letters, vol. 39, no. 1, pp. 62-64, Jan. 2003.

(Impact factor 1.315, rank 87 out of 226 electrical and electronics journals)

102. H. Wong, K. B. Ng, K. K. So, K. M. Luk, C. H. Chan, and Q. Xue, “Virtually shorted patch antenna for circular polarization,” accepted for IEEE Antennas and Wireless Propagation Letters.

103. X. H. Tang*, K. L. Lau, Q. Xue, and Y. L. Long, “Design of small circularly polarized patch antenna, ” IEEE Antennas and Wireless Propagation Letters, vol.9, pp. 728-731, Sept. 2010.

104. S. W. Qu*, J. L. Li*, C. H. Chan, and Q. Xue, “Cavity-backed circularly polarized dual-loop antenna with wide tunable range,” IEEE Antennas and Wireless Propagation Letters, vol.7, pp. 761-763, Dec. 2008.

105. S. W. Qu*, J. L. Li*, Q. Xue, and C. H. Chan, “Wideband periodic endfire antenna with bowtie dipoles,” IEEE Antennas and Wireless Propagation Letters, vol.7, pp. 314-317, Jun. 2008.

106. Y. Li, Q. Xue, K. N. Yung, and Y. Long, “A fixed-frequency beam-scanning microstrip leaky-wave antenna array,” IEEE Antennas and Wireless Propagation Letters, vol.6, pp. 616-618, Dec. 2007.

107. K. C. Wan*, and Q. Xue, “A novel reconfigurable wideband circularly polarized transmitter implemented by indirect-controlled-phased-source,” IEEE Antennas and Wireless Propagation Letters, vol.6, pp. 604-607, Dec. 2007.

108. Y. Li, Q. Xue, K. N. Yung, and Y. Long, “Fixed-frequency dual-beam scanning microstrip leaky wave antenna,” IEEE Antennas and Wireless Propagation Letters, vol.6, pp. 444-446, Sept. 2007.

109. S. W. Qu*, J. L. L. Lin*, and Q. Xue, “Bowtie dipole antenna with wide beamwidth for base station application,” IEEE Antennas and Wireless Propagation Letters, vol.6, pp. 293-295, Jun. 2007.

110. S. W. Qu*, and Q. Xue, “A Y-Shaped stub proximity coupled V-Slot microstrip patch antenna,” IEEE Antennas and Wireless Propagation Letters, vol.6, pp. 40-42, Mar. 2007.

111. S. W. Qu*, J. L. Li*, and Q. Xue, “A band-notched ultra-wideband printed monopole antenna,” IEEE Antennas and Wireless Propagation Letters, vol.5, pp. 495-498, Dec. 2006.

112. Q. Xue, X. Y. Zhang*, and C. H. K. Chin*, “A novel differential fed patch antenna,” IEEE Antennas and Wireless Propagation Letters, vol.5, pp. 471-474, Dec. 2006.

113. S. W. Qu*, C. L. Ruan, B. Z. Wang, and Q. Xue, “Planar bowtie antenna embedded in circular aperture within conductive frame,” IEEE Antennas and Wireless Propagation Letters, vol.5, pp. 399-401, Dec. 2006.

114. X. Y. Zhang*, Q. Xue, B. J. Hu, and S. L. Xie, “A wideband antenna with dual printed L-probes for cross-polarization suppression,” IEEE Antennas and Wireless Propagation Letters, vol.5, pp. 388-390, Dec. 2006.

115. K. C. H. Chin*, Q. Xue, and C. H. Chan, “Design and experiments of a 5.8-GHz rectenna incorporating a compact CPW resonant cell,” IEEE Antennas and Wireless Propagation Letters, vol. 4, no.1, pp. 175-178, May, 2005.

116. Y. F. Liu*, K. L. Lau, Q. Xue, and C. H. Chan, “Experimental studies of printed wide-slot antenna for wide-band applications,” IEEE Antennas and Wireless Propagation Letters, vol. 3, no. 14, pp. 273-275, Nov. 2004.

(Impact factor 0.813, rank 136 out of 226 electrical and electronics journals)

117. K. J. Song, and Q. Xue, “Ultra-wideband (UWB) twelve-way coaxial waveguide power divider with rotated electric field mode,” accepted for publication in Microwaves, Antennas and Propagation, IET Proceedings

118. J. X. Chen, Z. H. Bao, and Q. Xue, “Analysis and design of out-of-phase power divider with arbitrary division ratio,” Microwaves, Antennas and Propagation, IET Proceedings, vol. 4, no. 9, pp. 1370-1376, Sept. 2010.

119. L. Chiu, Q. Xue, and C. H. Chan, “Dual-fed patch antenna with distorted patch mode for balanced circuits,” Microwaves, Antennas and Propagation, IET Proceedings, vol. 4, no. 7, pp. 809 – 816, Jul. 2010.

120. J. X. Chen*, J. L. Li*, K. C. Wan*, and Q. Xue, “Compact quasi-elliptic function filter based on defected ground structure,” Microwaves, Antennas and Propagation, IEE Proceedings, vol. 153, no. 4, pp. 320 – 324, Aug. 2006.

121. L. Chiu*, T. Y. Yum*, C. H. K. Chin*, and Q. Xue, C. H. Chan, “High-efficiency class-B push-pull amplifying array for microwave transmitting front end,” Microwaves, Antennas and Propagation, IEE Proceedings, vol. 153, no.1, pp. 25 – 28, Feb. 2006.

(Impact factor 0.743, rank 144 out of 226 electrical and electronics journals)

122. W. J. Feng, Q. Xue, and W. Q. Che, “Compact dual-band bandpass filter based on stepped impedance resonators and T-shaped line” Accepted to be published in Microwave and Optical Technology Letters.

123. K. J. Song, and Q. Xue, “Ultra-wideband out-of-phase power divider using multilayer microstrip-Slotline coupling structure,” Microwave and Optical Technology Letters, vol. 52, no. 7, pp.1591-1594, Jul. 2010.

124. K. W. Wong, C. Leung, and Q. Xue, “A compact dual-band bandstop filter,” Microwave and Optical Technology Letters, vol. 51, no. 12, pp.2952-2954, Dec. 2009.

125. S. W. Qu*, C. H. Chan, and Q. Xue, “Wideband circularly polarized cavity-backed crossed loop antenna,” Microwave and Optical Technology Letters, vol. 51, no. 7, pp.1714-1718, Jul. 2009.

126. J. L. Li*, S. W. Qu*, Q. Xue, “Design of a compact dual-mode patch resonator band-pass filter,” Microwave and Optical Technology Letters, vol. 51, no. 5, pp.1382-1385, May 2009.

127. X. Y. Zhang*, J. Shi*, J. X. Chen*, and Q. Xue, “Dual-mode dual-band bandpass filter based on double-sided parallel-strip line,” Microwave and Optical Technology Letters, vol. 51, no. 5, pp.1361-1363, May 2009.

128. T. Yang, J. X. Chen*, and Q. Xue, “Novel approach to the design of unequal power divider with high-dividing ratio,” Microwave and Optical Technology Letters, vol. 51, no. 5, pp.1240-1243, May 2009.

129. M. Li*, Q. Xue, and W. Che, “Integrated wideband planar inverted-F antenna with meander line structures,” Microwave and Optical Technology Letters, vol. 51, no. 2, pp.384-387, Feb. 2009.

130. L. Chiu*, Q. Xue, and C. H. Chan , “A compact wideband parallel-strip 180° hybrid coupler,” Microwave and Optical Technology Letters, vol. 50, no. 12, pp. 3271-3274, Dec. 2008.

131. L. Chiu*, and Q. Xue,, “Oversize rectangular microstrip patch with higher-order mode suppression using multi-feed network,” Microwave and Optical Technology Letters, vol. 50, no. 11, pp. 2749-2751, Nov. 2008.

132. K. W. Lau*, Q. Xue, C. H. Chan, and W. S. Chan, “Self-biased distributed amplifier: linearity improvement and efficiency enhancement,” Microwave and Optical Technology Letters, vol. 50, no. 10, pp. 2493-2497, Oct. 2008.

133. J. Shi*, J. X. Chen*, and Q. Xue, “A novel differential bandpass filter based on double-sided parallel-strip line dual-mode resonator,” Microwave and Optical Technology Letters, vol. 50, no. 7, pp. 1733-1735, Jul. 2008.

134. Y. X. Li, Q. Xue, E. K. N. Yung, and Y. Long, “Radiation Patterns of Microstrip Leaky Wave Antenna with Parasitic Elements,” Microwave and Optical Technology Letters, vol. 50, no. 6, pp. 1565-1567, Jun. 2008.

135. J. L. Li*, S. W. Qu*, and Q. Xue, “Investigation of a compact and broadband balun,” Microwave and Optical Technology Letters, vol. 50, no.5, pp. 1380-1384, May 2008.

136. Y. X. Li, Q. Xue, E. K. N. Yung, and Y. Long, “Microstrip leaky-wave antenna with beam-pattern switchable capability,” Microwave and Optical Technology Letters, vol. 49, no. 12, pp. 3060-3063, Dec. 2007.

137. J. L. Li*, S. W. Qu*, and Q. Xue, “Capacitively loaded Wilkinson power divider with size reduction and harmonic suppression,” Microwave and Optical Technology Letters, vol. 49, no. 11, pp. 2737-2739, Nov. 2007.

138. J. X. Chen*, C. H. K. Chin*, and Q. Xue, “Novel power divider with fixed strip width using offset double-sided parallel-strip lines,” Microwave and Optical Technology Letters, vol. 49, no. 5, pp. 1109-1111, May 2007.

139. X. Y. Zhang*, J. X. Chen*, and Q. Xue, “Novel dual-band filter using slotline and microstrip resonators,” Microwave and Optical Technology Letters, vol. 49, no. 5, pp. 1080-7081, May 2007.

140. X. Y. Zhang*, Q. Xue, and B. J. Hu, “Novel bandpass filter with size reduction and harmonic suppression,” Microwave and Optical Technology Letters, vol. 49, no. 4, pp. 914-916, Apr. 2007.

141. X. Y. Zhang*, J. L. Li*, and Q. Xue, “Novel bandpass filter with wide stopband using double-sided parallel-strip line” Microwave and Optical Technology Letters, vol. 49, no. 3, pp. 722-724, Mar. 2007.

142. J. L. Li*, S. W. Qu*, and Q. Xue, “Ultra-wideband planar elliptical slot antenna with finite-ground coplanar waveguide-fed” Microwave and Optical Technology Letters, vol. 49, no. 3, pp. 662-664, Mar. 2007.

143. X. Y. Zhang*, Q. Xue, and B. J. Hu, “Compact bandpass filter using modified CMRC and double-sided parallel-strip line” Microwave and Optical Technology Letters, vol. 49, no. 3, pp. 583-585, Mar. 2007.

144. J. X. Chen*, and Q. Xue, “Dual-mode microstrip bandpass filter with spurious response suppression,” Microwave and Optical Technology Letters, vol. 49, no. 3, pp. 556-558, Mar. 2007.

145. J. X. Chen*, and Q. Xue, “Compact dual-mode bandpass filter using equilateral triangular slotted-patch resonator” Microwave and Optical Technology Letters, vol. 49, no. 2, pp. 493-494, Feb. 2007.

146. J. X. Chen*, C. H. K. Chin*, and Q. Xue, “Quasi-elliptic DSPSL lowpass filter with shunt stepped-impedance stubs,” Microwave and Optical Technology Letters, vol. 49, no. 2, pp. 476-477, Feb. 2007.

147. Y. F. Lau*, Q. Xue, C. H. Chan, and M. Y. Xia, “Negative-resistance, reflection-type bipolar frequency doubler,” Microwave and Optical Technology Letters, vol. 49, no. 2, pp. 434-436, Feb. 2007.

148. X. Y. Zhang*, J. X. Chen*, and Q. Xue, “Compact bandpass filter using open loop resonators with capacitive loading,” Microwave and Optical Technology Letters, vol. 49, no. 1, pp. 83-84, Jan. 2007.

149. L. Chiu*, Q. Xue, and C. H. Chan, “The multi-layer folded couplers and its application,” Microwave and Optical Technology Letters, vol. 48, no. 11, pp. 2285-2288, Nov. 2006.

150. J. L. Li*, J. X. Chen*, and Q. Xue, “Investigation into microstrip dual-mode bandpass filters (BPFS) with in-line feed-line configurations.” Microwave and Optical Technology Letters, vol. 48, no. 10, pp. 2008-2013, Oct. 2006.

151. J. X. Chen*, J. L. Li*, and Q. Xue, “Novel via-less double-sided parallel strip line to coplanar waveguide transition,” Microwave and Optical Technology Letters, vol. 48, no. 9, pp. 1717-1718, Sept. 2006.

152. J. L. Li*, J. X. Chen*, L. Xia, Q. Xue, and L. J. Xue, “ Microstrip bandpass filter using a triangular-patch resonator with three transmission zeros,” Microwave and Optical Technology Letters, vol. 48, no. 5, pp. 914-915, May 2006.

153. L. Chiu*, T. Y. Yum*, W. S. Chang, and Q. Xue, C. H. Chan, “Retrodirective array for RFID and microwave tracking beacon applications,” Microwave and Optical Technology Letters, vol. 48, no. 2, pp. 409-411, Feb. 2006.

154. J. Shi*, J. X. Chen*, and Q. Xue, “Compact microstrip lowpass filter with wide stop-band integrating a bandstop structure in an open-loop resonator,” Microwave and Optical Technology Letters, vol. 47, no. 6, pp. 582-584, Dec. 2005.

155. J. X. Chen*, J. Shi*, and Q. Xue, “Bandpass filter using a triangular resonator,” Microwave and Optical Technology Letters, Vol. 47, no. 1, pp. 49-50, Oct. 2005.

156. J. X. Chen*, J. Xu, and Q. Xue, “A novel compact microstrip bandpass filter using an open-loop resonator with radial stub,” Microwave and Optical Technology Letters, vol. 46, no. 4, pp. 387-389, Aug. 2005.

157. J. X. Chen*, and Q. Xue, “Microstrip bandpass filter using series-connected triangular patches,” Microwave and Optical Technology Letters, vol.46, no. 1, pp. 46-48, Jul. 2005.

158. J. L. Li*, J. X. Chen*, J. Wang, and Q. Xue, W. Shao, L. Xia, L. Xue “Dual-mode microstrip bandpass filter using circular patch resonator with two transmission zeros,” Microwave and Optical Technology Letters, vol. 46, no. 1, pp. 28-30, Jul. 2005.

159. J. L. Li*, J. X. Chen*, J. Wang*, Q. Xue, and L. Xue, “Dual-spiral microstrip bandpass filter with two transmission zeros,” Microwave and Optical Technology Letters, vol. 45, no. 4, pp. 331-332, May 2005.

160. J. X. Chen*, and Q. Xue, “A novel microstrip low pass filter using meander open-loop resonator,” Microwave and Optical Technology Letters, vol. 45, no.1, pp. 66-67, Apr. 2005.

161. K. M. Shum*, C. Y. Chiu, Q. Xue, C. H. Chan, and K. M. Man, “Design of a compact low-pass filter with wide rejection bandwidth,” Microwave and Optical Technology Letters, vol. 44, no. 3, pp. 236-238, Feb. 2005.

162. J. X. Chen*, and Q. Xue, “Novel microstrip bandpass filter using one equilateral triangular-patch resonator,” Microwave and Optical Technology Letters, vol. 44, no. 3, pp. 222-223, Feb. 2005.

163. J. X. Chen*, M. Yu, J. Xu, and Q. Xue, “Novel microstrip bandpass filter with transmission zeros in the stopband,” Microwave and Optical Technology Letters, vol. 43, no. 3, pp. 238-240, Nov. 2004.

164. L. Chiu*, T.Y. Yum, T. F. Cheng, and Q. Xue, C.H. Chan, “An injection locked sub-harmonic self-oscillating mixer for multi-band operation,” Microwave and Optical Technology Letters, vol. 42, no. 5, pp. 415-419, Sept. 2004.

165. J. X. Chen*, M. Yu, J. Xu, and Q. Xue, “Novel microstrip bandpass filter,” Microwave and Optical Technology Letters, vol. 41, no. 6, pp. 505-506, Jun. 2004.

166. L. Chiu*, T. Y. Yum*, Q. Xue, and C. H. Chan, “A low-conversion loss ring-hybrid mixer using TS-CMRC circuitry,” Microwave and Optical Technology Letters, vol. 41, no. 3, pp. 206-209, May 2004.

167. Y. Liu, Q. Xue, and C. H. Chan, “A novel dual-band printed-dipole antenna using CRC structure,” Microwave and Optical Technology Letters, vol. 41, no. 2, pp. 105-106, Apr. 2004.

168. T. T. Mo*, Q. Xue, and C. H. Chan, “A novel CPW power amplifier linearized by CCRC,” Microwave and Optical Technology Letters, vol. 40, no. 4, pp. 323-324, Feb., 2004.

169. Q. Xue, T. T. Mo*, K. M. Shum*, and C. H. Chan, “Characteristics of a compact CPW resonant cell,” Microwave and Optical Technology Letters, vol. 37, no. 6, pp. 408-410, Jun. 2003.

170. Q. Xue, Y. F. Liu*, K. M. Shum*, and C. H. Chan, “Studies of compact microstrip resonant cell with applications in active circuits,” Microwave and Optical Technology Letters, vol. 37, no. 2, pp. 158-162, Apr. 2003.

171. Q. Xue, K. M. Shum*, C. H. Chan, and K. M. Luk, ”A novel printed microstrip window antenna for size reduction and circuit embedding,” Microwave and Optical Technology Letters, vol. 32, no. 2, pp. 192-194, Feb. 2002.

172. K. M. Shum*, Q. Xue, W. N. Chau, and C. H. Chan, “A compact Wilkinson power divider with the curved PBG cells,” Microwave and Optical Technology Letter, vol. 31, no. 2, pp. 81-83, Oct. 2001.

173. Q. Xue, “A wide-band sub-harmonically injection locked frequency synthesizer for LMDS,” Microwave and Optical Technology Letters, vol. 30, no. 5, pp. 310-312, Sept. 2001.

174. K. M. Shum*, Q. Xue, C. H. Chan, and K. M. Luk, “Investigation of microstrip reflect-array using a photonic bandgap structure,” Microwave and Optical Technology Letter, vol. 28, pp. 114-116, Jan. 2001.

175. Q. Xue, “A sub-harmonically injection locked dual-gate FET VCO frequency synthesizer,” Microwave and Optical Technology Letter, vol. 26, no.5, pp. 294-296, Sept. 2000.

176. Q. Xue, K. M. Shum*, and C. H. Chan, “Novel perforated microstrip PBG cell,” Microwave and Optical Technology Letter, vol. 26, no.5, pp. 325-327, Sept. 2000.

177. Q. Xue, Z. Li, and K. T. Chan, “A millimeter-wave finline-microstrip DRO,” Microwave and Optical Technology Letter, vol. 19, no.2, pp. 142-144, Oct. 1998.

178. Q. Xue, L. Xue, and W. G. Lin, “Dielectric resonator suspended on E-plane,” Microwave and Optical Technology Letter, vol. 16, pp. 141-142, Oct. 1997.

179. Q. Xue, L. Xue, and W. G. Lin, “Analysis on waveguide cross-section plane microstrip probe,” Microwave and Optical Technology Letter, vol. 9, no. 4, pp. 214-216, Jul. 1995.

180. Q. Xue, L. Xue, and W. G. Lin, “Tunable finline – microstrip oscillator,” Microwave and Optical Technology Letter, vol. 7, no. 16, pp. 765-767, Oct. 1994.

181. L. Chiu, Q. Xue, and C. H. Chan, “Performance enhancement of microwave circuits using parallel-strip line,” IEEE Potentials, vol. 29, no. 5, Oct. 2010

(Impact factor 0.061, rank 184 out of 220 electrical and electronics journals)

182. Q. Xue, and L. Xue, “Make transitions from wave-guide to microstrip probe,” Microwave & RF, vol. 34, no. 8, pp. 109-110, Aug. 1995.

183. Q. Xue, L. Xue, and W. G. Lin, “Novel rat-race mixer converts millimeter Waves,” Microwave & RF, vol. 34, no. 3, pp. 127-128, Mar. 1995.

1. X.Y. Zhang, H.-L. Zhang, B.-J. Hu, and Q. Xue , “Reconfigurable Up-Converter with Image Rejection,” 2010 Asia Pacific Microwave Conference (APMC2010), Yokohama, Dec., 2010.

2. K. J. Song, and Q. Xue, “Ultra-Wideband (UWB) Bandpass Filters with Multiple Notched Bands Using Asymmetric Dual-Line Coupling Structure,” 2010 Asia Pacific Microwave Conference (APMC2010), Yokohama, Dec., 2010.

3. S. C. Chen*, and Q. Xue, “Deherty power amplifier integrating a novel adaptive biasing network,” 2010 International Symposium on Antenna and Propagations, Macao, China, Nov. 2010.

4. C. C. Tang*, and Q. Xue, “Adaptive closed-loop phase source,” 2010 International Symposium on Antenna and Propagations, Macao, China, Nov. 2010.

5. J. Shi*, and Q. Xue, “Microstrip balanced filter with common-mode transmission zero, ” 2010 International Symposium on Antenna and Propagations, Macao, China, Nov. 2010.

6. Y. C. Li*, Xiu Yin Zhang, and Q. Xue, “Design of bandpass filter with wide stopband,” 2010 International Symposium on Antenna and Propagations, Macao, China, Nov. 2010.

7. W. J. Feng*, W. Q. Che, and Q. Xue, “Novel tri-band microstrip bandpass filter using crossed open stubs with different lengths,” 2010 International Symposium on Antenna and Propagations, Macao, China, Nov. 2010.

8. M. Li*, M. Chen, W. Q. Che, and Q. Xue, “UWB planar inverted-F antenna (PIFA) with differential feeding technique,” 2010 IEEE International Conference on Ultra-Wideband (ICUWB), Nanjing, China, Sept. 2010

9. K. B. Ng, K. K. So, H. Wong, C. H. Chan, K. M. Luk, and Q. Xue, “Magneto-electric dipole antenna for millimeter wave applications,” 2010 IEEE International Conference on Ultra-Wideband (ICUWB), Nanjing, China, Sept. 2010.

10. H. Wong, K. B. Wu, K. M. Luk, C. H. Chan, and Q. Xue, “Printed millimeter wave vertical patch antenna,” International Conference on Communications, Circuits and Systems, ICCCAS 2010, Chengdu, July 2010.

11. X. Y. Zhang*, B. J. Hu, and Q. Xue, “Design of planar tri-band bandpass filter ,” Microwave and Millimeter Wave Technology (ICMMT), 2010 International Conference on, Chengdu, May, 2010, pp74-76.

12. K. K. So, H. Wong. K. M. Luk, C. H. Chan, and Q. Xue, “A miniature circularly polarization patch antenna using E-shaped shorting strip,” 2010 Proceedings of the Fourth European Conference on Antennas and Propagation (EuCAP), Barcelona, Spain, Apr. 2010.

13. H. Wong, K. K. So, K. M. Luk, C. H. Chan, and Q. Xue, “New size reduction for patch antenna by parasitic shorting elements,” 2010 International Workshop on Antenna Technology (iWAT), Lisbon, Portugal, Mar., 2010.

14. S. J. Shi*, J. X. Chen, and Q. Xue, “Differential oscillator based on double-sided parallel-strip line,” 2009 Asia Pacific Microwave Conference (APMC2009), Singapore, Dec., 2009.

15. Q. Xue , “Self-adaptive biasing technique: Linearity and efficiency improvements for microwave power amplifiers,” 2009 International Microwave Forum, Chengdu, Nov. 2009, (Invited Paper)

16. Q. Xue, Q. W. Qu, and C. H. Chan, “Wideband cavity-backed bowtie antennas,” 2009 International Workshop on Antenna Technology (iWAT), Santa Monica, Mar., 2009. (Invited Paper)

17. J. Zhen, Q. Xue, and F. Muto, “Exact sequence lengths in MASH digital delta-sigma modulators for fractional-N frequency synthesizers,” 2009 IEEE International Symposium on Radio-Frequency Integration Technology, RFIT 2009, Singapore, January 2009.

18. J. L. Li*, S. W. Qu*, and Q. Xue, “A Ka-band frequency divider with high division ration and low power consumption,” 2008 Asia-Pacific Microwave Conference Proceedings, Hong Kong, China, Dec., 2008.

19. X. Y. Zhang, J. X. Chen, J. Shi, and Q. Xue, “A spurious-free tunable bandpass filter,” ,” 2008 Asia-Pacific Microwave Conference Proceedings, Hong Kong, China, Dec., 2008.

20. Y. Lou*, C. H. Chan, and Q. Xue, “A waveguide-based coupled oscillator array for spatial power combining with voltage-tunable FSS,” 2008 Asia-Pacific Microwave Conference Proceedings, Hong Kong, China, Dec., 2008.

21. Y. X. Li, Q. Xue, and K. N. Yung, “A periodic microstrip leaky-wave antenna,” 2008 Asia-Pacific Microwave Conference Proceedings, Hong Kong, China, Dec., 2008.

22. J. L. Li*, S. W. Qu*, and Q. Xue, “Compact dual-mode patch resonator for filter applications,” 2008 IEEE MTT-S International Microwave Workshop Series on Art of Miniaturizing RF and Microwave Passive Components, pp. 83-86, Chengdu, China, Dec., 2008.

23. Q. Xue, “Double side parallel strip line and its applications,” 2008 IEEE MTT-S International Microwave Workshop Series on Art of Miniaturizing RF and Microwave Passive Components, pp. 55-58, Chengdu, China, Dec., 2008. (Invited Paper)

24. K. W. Wong*, L. Chiu*, and Q. Xue, “Uniplanar power dividers using asymmetric coplanar striplines and slotlines,” 38th European Microwave Conference, pp337-340, Amsterdam, Netherlands, Oct., 2008.

25. Q. Xue, “Microwave components using non-microstrip planar transmission line,” Global Chinese Microwave Summit-2008, Hefei, China, Nov., 2008. (Invited Paper)

26. J. X. Chen*, X. Y. Zhang*, and Q. Xue, “Dual-band bandpass filter and diplexer based on double-side parallel strip line,” IEEE International Conference on Microwave Theory and Technology, pp. 675-678, MTT-S 2008, Atlanta, USA, Jun., 2008.

27. L. Chiu*, Q. Xue, and C. H. Chan, “A planar circular phase conjugated array with full scanning range ”, IEEE International Conference on Microwave Theory and Technology, pp. 799-802, MTT-S 2008, Atlanta, USA, Jun., 2008.

28. S. W. Qu*, J. L. Li*, Q. Xue, and C. H. Chan, “Experimental Studies of Cavity-Backed Bowtie Antenna with Pattern Improvement,” 2008 Global Symposium on Millimeter Wave, pp. 355-357, Nanjing, China, Apr., 2008.

29. X. Zhang, J. X. Chen*, and Q. Xue, “Uniplanar bandpass filter using slotline resonators and CPW feeding lines,” 2008 Global Symposium on Millimeter Wave, pp. 375-358, Nanjing, China, Apr., 2008

30. P. C. Chun, C. H. Chan, and Q. Xue, “Dual baseband injection method for amplifier linearization,” 2007 Asia-Pacific Conference Proceedings, pp. 151-154, Bangkok, Thailand, Dec. 2007.

31. J. X. Chen*, C. Y. Cheung, and Q. Xue, “Integrated bandpass filter balun based on double-sided parallel-strip line with an inserted conductor plane,” ” 2007 Asia-Pacific Conference Proceedings, pp. 701-704, Bangkok, Thailand, Dec. 2007.

32. L. Chiu*, and Q. Xue, “Dual-fed microstrip patch with higher-order radiating mode achieving port-to-port isolation,” 2007 Asia-Pacific Conference Proceedings, pp. 1361-1364, Bangkok, Thailand, Dec. 2007.

33. K. W. Lau*, and Q. Xue, “A novel biasing technique for low adjacent channel power,” 2007 Asia-Pacific Conference Proceedings, pp. 1455-1458, Bangkok, Thailand, Dec. 2007.

34. K. W. Lau*, K. Y. Chan, Q. Xue, and C. H. Chan, "Linearized distributed amplifier by self-adaptive biasing technique," Proceedings of PIERS2007, pp168-168, Prague, Czechoslovakia, Aug. 2007.

35. T. Yang, K. W. Lau*, K. C. Wan*, Q. Xue, and C. H. Chan, "A cross-coupled voltage-controlled oscillator in 0.6um BiCMOS process," Proceedings of PIERS2007, pp.172-172, Prague, Czechoslovakia, Aug. 2007.

36. C. H. K. Chin*, Q. Xue, and H. Wong, “Broad-band differential-fed patch antenna – a novel feeding scheme to realizing stability of radiation characteristics,” International Symposium on Signals, Systems, Electronics 2007 (ISSSE 2007), pp. 311-314, Montreal, Canada, Jul. 2007

37. Y. Lou*, C. H. Chan, and Q. Xue, “An in-line waveguide-to-microstrip transition using radial-shaped probe,” Proceedings of Antennas and Propagation Society International Symposium, 2007 IEEE, pp. 3117 - 3120, Honolulu, USA, Jun. 2007.

38. L. Chiu*, Q. Xue, and C. H. Chan, “Radiating patches with low mutual coupling for antenna arrays,” proceedings of Antennas and Propagation Society International Symposium, 2007 IEEE, pp. 3620 -3623, Honolulu, USA, Jun. 2007.

39. L. Chiu*, and Q. Xue, “A new parallel-strip power divider with enhanced isolation performance,” Microwave Conference Proceedings, 2006. APMC 2006. Asia-Pacific Conference Proceedings, Yokohama, Japan, Dec. 2006.

40. L. Chiu*, Q. Xue, and C. H. Chan, “A wideband circularly-polarized active Van Atta retrodirective transponder with information carrying ability.” Microwave Conference Proceedings, 2006. APMC 2006. Asia-Pacific Conference Proceedings, Yokohama, Japan, Dec. 2006.

41. K. M. Shum*, Q. Xue, and C. H. Chan, “A novel UWB bandpass filter” Proceedings of Progress In Electromagnetics Research Symposium, PIERS2006, Japan, Aug. 2006.

42. K. C. Wan*, and Q. Xue, “PLL assisted injection locking phase control.” Proceedings of Progress In Electromagnetics Research Symposium, PIERS2006, Japan, Aug. 2006.

43. K. W. Lau*, Q. Xue, and C. H. Chan, “Wideband diode linearizer for RF amplifier with adaptive bias stabilization.” Proceedings of Progress in Electromagnetics Research Symposium, PIERS2006, Japan, Aug. 2006.

44. C. K. Chin, and Q. Xue, “A broadband microstrip-to-coplanar stripline transition”, Proceedings of Progress In Electromagnetics Research Symposium, PIERS2006, Japan, Aug. 2006.

45. J. X. Chen*, J. L. Li*, and Q. Xue, “Lowpass filter using 50/spl Omega/ microstrip line based on defected ground structure,” Microwave Conference Proceedings, 2005. APMC 2005. Asia-Pacific Conference Proceedings, Suzhou, China, Dec. 2005.

46. T. Y. Yum*, L. Chiu*, C. H. Chan, and Q. Xue, “A new quasi-lumped resonant cell concept in modern RF and microwave components,” Proceedings of IEEE Conf. Tencon 2005, pp. 245-248, Sydney, Australia, Nov. 2005.

47. L. Chiu*, T. Y. Yum*, Q. Xue, and C. H. Chan, “A high-performed sub-harmonic self-oscillating mixer for modern wireless communication system.” Proceedings of IEEE Conf. Tencon 2005, pp. 123-126, Sydney, Australia, Nov. 2005.

48. L. Chiu*, T. Y. Yum*, Q. Xue, and C. H. Chan, “The folded hybrid ring and its applications in balance devices,” Proceedings of IEEE Conf. 35th European Microwave Week, pp. 1295-1299, Paris, France, Oct. 2005.

49. T. Y. Yum*, C. H. Chan, and Q. Xue, “Linearization of mixers using a reconfigurable transistor pair for W-CDMA mobile terminals,” Proceedings of IEEE Conf. 35th European Microwave Week, pp. 975-979, Paris, France, Oct. 2005.

50. J. X. Chen*, and Q. Xue, “Compact microstrip lowpass filter using slow-wave resonator,” Proceedings of IEEE Conf. 35th European Microwave Week, pp. 975-979, Paris, France, Oct. 2005.

51. J. X. Chen*, and Q. Xue, “Novel compact microstrip bandpass filter with suppression of spurious response,” proceedings of Antennas and Propagation Society International Symposium, 2005 IEEE, pp590 - 593 vol. 1B, 3-8 Jul. 2005.

52. J. Li*, J. X. Chen*, Q. Xue, J. Wang, W. Shao, and L. Xue, “Compact microstrip Lowpass filter based on defected ground structure and compensated microstrip line,” IEEE International Conference on Microwave Theory and Technology, MTT-S 2005, Long Beach, USA, Jun., 2005.

53. Q. Xue, H. Wong, K. M. Luk, and C. H. Chan, “Active receiving antennas for automotive applications,” IEEE International Conference on Antenna and Propagations, pp.1443-1446, Monterey, Jul. 2004.

54. Q. Xue, Y. F. Liu*, and K. M. Shum*, “Printed L-probe antenna on multi-layered PCB,” IEEE International Conference on Antenna and Propagations, pp.2281-2284, Monterey, USA, Jul. 2004.

55. Y. F. Liu*, K. L. Lau, Q. Xue, and C. H. Chan, “Microstrip-fed wide slot antenna with wide operating bandwidth,” IEEE International Conference on Antenna and Propagations, pp. 2285-2288, Monterey, USA, Jul. 2004.

56. T. Y. Yum*, Q. Xue, and C. H. Chan, “A novel amplifier linearization technique using an Anti-Parallel Reconfigurable Transistor (ART) pair,” IEEE International Conference on Microwave Theory and Technology, MTT-S 2004, Fort Worth, USA, Jun., 2004. (The first author is a graduate student and the paper has been awarded the First prize for the student paper contest out of about 250 submissions).

57. T. Mo, Q. Xue, and C. H. Chan, “A novel CPW power amplifier linearized by CCRC,” IEEE Asia Pacific Conference on Microwave, Seoul, Korea, Nov. 2003.

58. L. Chiu*, T. Y. Yum*, and Q. Xue, C. H. Chan, “A low-conversion loss ring mixer using CMRC circuitry,” IEEE Asia Pacific Conference on Microwave, Seoul, Korea, Nov. 2003.

59. K. M. Shum*, Q. Xue, C. Y. Chiu, and C. H. Chan, “Compact band pass filter using CMRC,” IEEE Asia Pacific Conference on Microwave, Seoul, Korea, Nov. 2003.

60. Y. F. Liu*, Q. Xue, and C. H. Chan, “Multi-band printed dipole antenna using CRC structure,” Antennas and Propagation Society International Symposium, 2003. IEEE, USA, pp. 40-43, Jun. 2003

61. T. Y. Yum*, Q. Xue, and C. H. Chan, “Novel sub-harmonically pumped mixers incorporating dual-band quarter-wave and in-line stub,” IEEE International Conference on Microwave Theory and Technology, MTT-S 2003, Philadelphia, USA, Jun., 2003. (The first author is a graduate student and the paper has been awarded the third prize for the student paper contest out of about 250 submissions).

62. T. T Mo*, Q. Xue, and C. H. Chan, “A novel power amplifier incorporating a compact coplanar waveguide resonator cell,” Cross Strait Tri-Regional Radio Science and Wireless Technology Conference, Shanghai, China, Oct. 2002.

63. T. T Mo*, Q. Xue, and C. H. Chan, “CPW fed antenna with wide operation bandwidth,” IEEE Asia Pacific Conference on Microwave, Kyoto, Japan, Nov. 2002. (The first author is a graduate student).

64. Q. Xue, Y. F. Liu*, and C. H. Chan, “Application of CMRC in antenna switches,” IEEE International Conference on Antenna and Propagations, San Antonio, USA, Jul. 2002

65. Q. Xue, Y. F. Liu*, and C. H. Chan, “Variations of compact microstrip resonant cell,” Sino-Japan Microwave Conference, Xi’an China, Apr. 2002.

66. K. M. Shum*, Q. Xue, and C. H. Chan, “Curved PBG cell and its applications,” IEEE Asia Pacific Conference on Microwave, Taiwan, Dec. 2001.

67. Q. Xue, K. M. Shum*, and C. H. Chan, “Novel 1-D photonic bandgap microstrip transmission line,” IEEE International Conference on Antenna and Propagations, Salt Lake City, USA, Jul., 2000

68. K. M. Shum*, Q. Xue, and C. H. Chan, “Gain enhancement of a microstrip reflect-array incorporating a PBG structure,” IEEE International Conference on Antenna and Propagations, Salt Lake City, USA, Jul., 2000.

69. J. Fu, and Q. Xue, “A swallow-tailed finline-microstrip structure for millimeter wave mixer”, Proceedings of Asia Pacific Microwave Conference, Japan, Dec. 1998.

70. Q. Xue, and L. Xue, “E-plane dielectric resonator,” Proceedings of Asia Pacific Microwave Conference, Hong Kong, Dec. 1997.