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Joint-digital-predistortion for wireless transmitter’s I/Q imbalance and PA nonlinearities using an asymmetrical complexity-reduced Volterra series model Journal article
Analog Integrated Circuits and Signal Processing, 2016,Volume: 87,Issue: 1,Page: 35-47
Authors:  Yue Li;  Chak-Fong Cheang;  Pui-In Mak;  Rui P. Martins
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Computational Complexity  Digital Predistortion (Dpd)  I/q Imbalance  Power Amplifier (Pa)  Ofdm  Volterra Series  
Time-domain I/Q-LOFT compensator using a simple envelope detector for a sub-GHz IEEE 802.11af WLAN transmitter Conference paper
2016 21st Asia and South Pacific Design Automation Conference (ASP-DAC), Macao, PEOPLES R CHINA, JAN 25-28, 2016
Authors:  Chak-Fong Cheang;  Ka-Fai Un;  Pui-In Mak;  Rui P. Martins
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The dispersal analysis on basis construction of digital predistortion techniques for power amplifiers Journal article
Analog Integrated Circuits and Signal Processing, 2016,Volume: 86,Issue: 1,Page: 77-86
Authors:  Yue L;  Chak-Fong Cheang;  Pui-In Mak;  Rui P. Martins
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Basis Construction  Complexity  Digital Pre-distortion (Dpd)  Floating Point Operations (Flops)  Nonlinearity  Power Amplifier (Pa)  Volterra Series  
A Sub-GHz wireless transmitter utilizing a multi-class-linearized PA and time-domain wideband-auto I/Q-LOFT calibration for IEEE 802.11af WLAN Journal article
IEEE Transactions on Microwave Theory and Techniques, 2015,Volume: 63,Issue: 10,Page: 3228-3241
Authors:  Ka-Fai Un;  Wei-Han Yu;  Chak-Fong Cheang;  Gengzhen Qi;  Pui-In Mak;  Rui P. Martins
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Adjacent Channel Leakage Ratio (Aclr)  Cmos  Digital Calibration  Gm-c Low-pass Filter  Harmonic Rejection Mixer (Hrm)  Harmonic Rejection Ratio (Hrr)  Ieee 802.11af  Image Rejection Ratio (Irr)  In-phase/quadrature (I/q) Imbalance  Lo Feedthrough (Loft)  Lo-leakage Rejection Ratio (Lrr)  Local Oscillator (Lo)  Power Amplifier (Pa)  Transmitter (Tx)  Wideband  
A Combinatorial Impairment-Compensation Digital Predistorter for a Sub-GHz IEEE 802.11af-WLAN CMOS Transmitter Covering a 10x-Wide RF Bandwidth Journal article
IEEE Transactions on Circuits and Systems I: Regular Papers, 2015,Volume: 62,Issue: 4,Page: 1025-1032
Authors:  Chak-Fong Cheang;  Ka-Fai Un;  Wei-Han Yu;  Pui-In Mak;  Rui P. Martins
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Cmos  Counter-intermodulation (Cim)  Digital Predistortion (Dpd)  Frequency-dependent I/q Imbalance  Power Amplifier (Pa)  Rf  Volterra Series  Wideband Transmitter  
A nonrecursive digital calibration technique for joint elimination of transmitter and receiver I/Q imbalances with minimized add-on hardware Journal article
IEEE Transactions on Circuits and Systems II: Express Briefs, 2013,Volume: 60,Issue: 8,Page: 462-466
Authors:  Wei-Han Yu;  Chak-Fong Cheang;  Pui-In Mak;  Weng-Fai Cheng;  Ka-Fai Un;  U-Wai Lok;  Rui P. Martins
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Algorithm  Calibration  Coordinate Rotation Digital Computer (Cordic)  I/q Imbalance  Local Oscillator (Lo)  Receiver (Rx)  Transceiver  Transmitter (Tx)  
Non-recursive digital calibration for joint-elimination of transmitter and receiver I/Q imbalances with minimized add-on hardware Patent
专利类型: 发明专利, 专利号: US9276798B2, 申请日期: 2014-03-26, 公开日期: 2016-03-01
Authors:  Wei-Han Yu;  Chak-Fong CHEANG;  Ka-Fai UN;  Pui-In Mak;  Rui P. Martins
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