Direct Transmitter / Direct Receiver / Multi-Port Circuit

White Papers | Patents | Publications

White Papers

X. Huang, M. Caron, “Type-based estimation of frequency response equalizer's coefficients,” CRC White Paper, March 2008.
Abstract | PDF [601 KB]

X. Huang, M. Caron, “Self-calibration technique for multi-port circuits,” CRC White Paper, February 2007.
Abstract | PDF [1.19 MB]

X. Huang, M. Caron, “System and method for direct transmitter self-calibration,” CRC White Paper, October 2006.
Abstract | PDF [477 KB]

X. Huang, M. Caron, “Type-based direct transmitter self-calibration technique,” CRC White Paper, October 2006.
Abstract | PDF [422 KB]

Patents

X. Huang, M. Caron, "Self-Calibrating Multi-Port Circuit and Method," US Patent 7,822,147 B2, October 2010.
Abstract | PDF [845 KB]

X. Huang, M. Caron, "Distortion Compensation Circuit and Method," US Patent 7,804,915 B2, September 2010.
Abstract | PDF [326 KB]

X. Huang, M. Caron, D. Hindson, M. DeLeseleuc, “In-phase and quadrature signal regeneration”, Canadian Patent No. 2,239,681, August 2007.
Abstract | PDF [572 KB]

X. Huang, M. Caron, “System and method for direct transmitter self-calibration,” US Patent No. 6,771,709, August 2004.
Abstract | PDF [1.06 MB]

X. Huang, M. Caron, D. Hindson, M. de Léséleuc, “In-phase and quadrature signal regeneration,” US Patent No. 6,337,888, January 2002.
Abstract | PDF [942 KB]

Publications

M. Caron, X. Huang, Z. Zhu, "Self-Calibrating Digital Beam-Forming Network Subsystem," Ka and Broadband Communications, Navigation and Earth Observation Conference - Broadsky Workshop, Milan ITALY, October 2010.
No Abstract | PDF [642 KB]

Z. Zhu, X. Huang, M. Caron, "Ka-band Multi-port Power Amplifier Calibration Experiment and Results.'' International Conference on Advances in Satellite and Space Communications (SPACOM), Athens GREECE, June 2010.
Abstract | PDF [283 KB]

X. Huang, M. Caron, "A Novel Type-Based Group Delay Equalization Technique," IEEE International Symposium on Circuits and Systems (ISCAS), Paris FRANCE, June 2010.
Abstract | PDF [565 KB]

X. Huang, M. Caron, "A novel type-based vector modulator self-calibration technique," IEEE International Symposium on Circuits and Systems (ISCAS), Taiwan ROC, May 2009.
Abstract | PDF [197 KB]

M. Caron, X. Huang, "Estimation and compensation of amplifier gain and phase mismatches in a multiple port amplifier subsystem", ESA Workshop on Advanced Flexible Telecom Payloads, Noordwijk NETHERLANDS, November 2008.
Abstract | PDF [468 KB]

Z. Zhu, X. Huang, "Joint estimation of gain/phase mismatches and I/Q imbalances in array antenna subsystems," Asilomar Conference on Signals, Systems, and Computers (Asilomar SSC), Pacific Grove USA, October 2008.
Abstract | PDF [115 KB]

Z. Zhu, X. Huang, “A subspace method for the estimation of gain/phase mismatches and I/Q imbalances in a receive array antenna,” IASTED International Conference on Communications, Internet and Information Technology (CIIT), Banff CANADA, July 2007.
Abstract | PDF [542 KB]

X. Huang, M. Caron, “ Efficient transmitter self-calibration and amplifier linearization techniques ”, IEEE International Symposium on Circuits and Systems (ISCAS), New Orleans USA, May 2007.
Abstract | PDF [383 KB]

X. Huang, M. Caron, “Modeling and analysis of multi-port power amplifiers”, AIAA International Communications Satellite Systems Conference (ICSSC), Seoul SOUTH KOREA, April 2007.
Abstract | PDF [183 KB]

X. Huang, Z. Zhu, M. Caron, “ A 30 GHz 155 Mbit/s self-calibrating direct transmitter”, IEEE International Symposium on Circuits and Systems (ISCAS), Kos GREECE, May 2006.
Abstract | PDF [411 KB]

Z. Zhu, X. Huang, “Theoretical analysis of timing error in a direct transmitter self-calibration system”, IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP), Toulouse FRANCE, May 2006.
Abstract | PDF [138 KB]

Z. Zhu, X. Huang, “Timing sensitivity analysis of a direct transmitter self-calibration technique", IEEE International Symposium on Intelligent Signal Processing and Communications Systems (ISPACS), Hong Kong, December 2005.
Abstract | PDF [138 KB]

X. Huang, “A direct conversion receiver for satellite communication systems”, International Journal of Satellite Communications and Networking (IJSCN), Vol. 23, No. 2, March-April 2005.
Abstract | PDF [146 KB]

Z. Zhu, X. Huang, “Bias analysis of a gain/phase/DC offset estimation technique for direct frequency conversion modulators”, IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP), Philadelphia USA, March 2005.
Abstract | PDF [222 KB]

M. Caron, X. Huang, Z. Zhu, “Enabling satellite communication technologies”, AIAA International Communications Satellite Systems Conference (ICSSC), Monterey USA, May 2004.
Abstract | PDF [2.46 MB]

Z. Zhu, X. Huang, “Adaptive compensation of gain/phase imbalances and DC-offsets using constant modulus algorithm”, IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP), Montreal CANADA, May 2004.
Abstract | PDF [253 KB]

Z. Zhu, X. Huang, “Performance analysis of discrete-time quadrature subsample method for time delay estimation,” IASTED International Conference on Wireless and Optical Communications (WOC), Banff CANADA, July 2003.
Abstract | PDF [75.9 KB]

X. Huang, M. Caron, “Gain/phase imbalance and DC offset compensation in quadrature modulators”, IEEE International Symposium on Circuits and Systems (ISCAS), Scottsdale USA, May 2002.
Abstract | PDF [275 KB]

X. Huang, M. Caron, “An adaptive gain/phase/DC offset compensation in quadrature modulators”, IEEE International Symposium on Intelligent Signal Processing and Communication Systems (ISPACS), Nashville USA, November 2001.
Abstract | PDF [257 KB]

X. Huang, M. Caron, D. Hindson, “A recursive Gram-Schmidt orthonormalization procedure and its application to communications”, IEEE Workshop on Signal Processing Advances In Wireless Communications (SPAWC), Taiwan CHINA, March 2001.
Abstract | PDF [237 KB]

X. Huang, “On transmitter gain/phase imbalance compensation at receiver,” IEEE Communications Letters (COM), Vol. 4, Issue 11, November 2000.
Abstract | PDF [48.1 KB]

X. Huang, M. Caron, D. Hindson, “Adaptive I/Q regeneration in 5-port junction based direct receivers”, Asia Pacific Conference on Communications (APCC), Beijing CHINA, October 1999.
Abstract | PDF [123 KB]

X. Huang, D. Hindson, M. de Léséleuc, M. Caron, “I/Q-channel regeneration in 5-port junction based direct receivers”, IEEE International Topical Symposium On Technologies For Wireless Applications (TWA), Vancouver CANADA, February 1999.
Abstract | PDF [144 KB]