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A 0.7-2.5 GHz, 61% EIRP System Efficiency, Four-Element MIMO TX System Exploiting Integrated Power-Relaxed Power Amplifiers and an Analog Spatial De-Interleaver Journal article
IEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS I-REGULAR PAPERS, 2018,Volume: 65,Issue: 1,Page: 14-25
Authors:  Yu, Wei-Han;  Un, Ka-Fai;  Mak, Pui-In;  Martins, Rui P.
Favorite | View/Download:33/0 | TC[WOS]:1 TC[Scopus]:1 | Submit date:2018/10/30
Antenna Array  Beamforming  Cmos  Diversity Gain  Error-vector Magnitude (Evm)  Fading Channel  Mobile  Multiple-input Multiple-output (Mimo)  Mimo Decoder  Matching Network (Mn)  Pulse-shaping Filter (Psf)  Power Amplifier (Pa)  Transmitter (Tx)  Signal-to-noise Ratio (Snr)  Wideband  
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
Favorite | View/Download:9/0 | TC[WOS]:6 TC[Scopus]:0 | Submit date:2019/02/11
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
Favorite | View/Download:10/0 | TC[WOS]:9 TC[Scopus]:10 | Submit date:2019/02/11
Cmos  Counter-intermodulation (Cim)  Digital Predistortion (Dpd)  Frequency-dependent I/q Imbalance  Power Amplifier (Pa)  Rf  Volterra Series  Wideband Transmitter