A GaN MOSFET supply modulator compatible with feed forward loop for wideband envelope tracking power amplifier. - Zhancang Wang; Li Wang; Rui Ma 022; Sandro Lanfranco (RWS, 2013)

A 5-level efficient IFPWM power coding approach encoding LTE for class-S digital-RF transmitter with distortion correction. - Qiuyao Zhu; Rui Ma 022; Chunjie Duan; Kenji Mukai; Shintaro Shinjo; Koon Hoo Teo (RWS, 2014)

Outphasing multi-level RF-PWM signals for inter-band carrier aggregation in digital transmitters. - SungWon Chung; Rui Ma 022; Koon Hoo Teo; Kieran Parsons (RWS, 2015)

Stochastically approximated multiobjective optimization of dual input digital Doherty Power Amplifier. - Sufeng Niu; A. M. Koushik; Rui Ma 022; Koon Hoo Teo; Shintaro Shinjo; Yuji Komatsuzaki (IWCIA, 2017)

Theoretical bounds on time-domain resolution of multilevel carrier-based digital PWM signals used in all-digital transmitters. - Omer Tanovic; Rui Ma 022; Koon Hoo Teo (MWSCAS, 2017)

Novel baseband equivalent models of quadrature modulated all-digital transmitters. - Omer Tanovic; Rui Ma 022; Koon Hoo Teo (RWS, 2017)

Compact Analytical Description of Digital Radio-Frequency Pulse-Width Modulated Signals. - Omer Tanovic; Rui Ma 022; Huifang Sun (ISCAS, 2018)

Truly aliasing-free digital RF-PWM power coding scheme for switched-mode power amplifiers. - Omer Tanovic; Rui Ma 022 (RWS, 2018)

Optimal Power Encoding of OFDM Signals in All-Digital Transmitters. - Omer Tanovic; Rui Ma 022; Philip V. Orlik; Alexandre Megretski (GLOBECOM, 2019)

CDM-based 4-Channel Digital Beamforming Transmitter Using a Single DAC. - Amit Sangwan; Kuriyama Tasuku; Kazunari Kihira; Toru Fukasawa; Rui Ma 022; Bingnan Wang; Kyeong Kim; Kieran Parsons; Toshiaki Koike-Akino; Pu Wang 004; Philip V. Orlik; Koon Hoo Teo (NEWCAS, 2019)

A Modular 1D-CNN Architecture for Real-time Digital Pre-distortion. - Udara De Silva; Toshiaki Koike-Akino; Rui Ma 022; Ao Yamashita; Hideyuki Nakamizo (CoRR, 2021)