| Emerging GaN technologies for power, RF, digital, and quantum computing applications: Recent advances and prospects K Hoo Teo, Y Zhang, N Chowdhury, S Rakheja, R Ma, Q Xie, E Yagyu, ... Journal of Applied Physics 130 (16), 2021 | 102 | 2021 |
| A GaN PA for 4G LTE-Advanced and 5G: Meeting the telecommunication needs of various vertical sectors including automobiles, robotics, health care, factory automation … R Ma, KH Teo, S Shinjo, K Yamanaka, PM Asbeck IEEE Microwave Magazine 18 (7), 77-85, 2017 | 61 | 2017 |
| Concurrent multiband digital outphasing transmitter architecture using multidimensional power coding SW Chung, R Ma, S Shinjo, H Nakamizo, K Parsons, KH Teo IEEE Transactions on Microwave Theory and Techniques 63 (2), 598-613, 2015 | 48 | 2015 |
| A 5-Level Discrete-Time Power Encoder with Measured Coding Efficiency of 70% for 20-MHz LTE Digital Transmitter KP Qiuyao Zhu 1, 2, Rui Ma1, Chunjie Duan1, Koon Hoo Teo1 2014 IEEE International Microwave Symposium, 1-3, 2014 | 23* | 2014 |
| 3.0–3.6 GHz wideband, over 46% average efficiency GaN Doherty power amplifier with frequency dependency compensating circuits Y Komatsuzaki, K Nakatani, S Shinjo, S Miwa, R Ma, K Yamanaka 2017 IEEE Topical Conference on RF/Microwave Power Amplifiers for Radio and …, 2017 | 22 | 2017 |
| Inter-Band Carrier Aggregation Digital Transmitter Architecture with Concurrent Multi-Band Delta-Sigma Modulation Using Out-of-Band Noise Cancellation KT S. Chung, R. Ma, S. Shinjo 2015 International Microwave Symposium, 2015 | 22* | 2015 |
| A 40 dBm High Voltage Broadband GaN Class J Power Amplifier for PoE Micro-Basestations R. Ma, S. Goswami, K. Yamanaka, Y. Komatsuzaki, A Microwave Symposium Digest (IMS), 2013 IEEE MTT-S International, 1 - 3, 2013 | 20* | 2013 |
| High electron mobility transistor with multiple channels KH Teo, P Feng, R Ma US Patent 8,907,378, 2014 | 19 | 2014 |
| A novel 1.4-4.8 GHz ultra-wideband, over 45% high efficiency digitally assisted frequency-periodic load modulated amplifier Y Komatsuzaki, R Ma, M Benosman, Y Nagai, S Sakata, K Nakatani, ... 2019 IEEE MTT-S International Microwave Symposium (IMS), 706-709, 2019 | 17 | 2019 |
| A high efficiency 3.6-4.0 GHz envelope-tracking power amplifier using GaN soft-switching buck-converter Y Komatsuzaki, S Lanfranco, T Kolmonen, O Piirainen, JK Tanskanen, ... 2018 IEEE/MTT-S International Microwave Symposium-IMS, 465-468, 2018 | 17 | 2018 |
| Metamaterial absorber for THz polarimetric sensing B Wang, A Sadeqi, R Ma, P Wang, W Tsujita, K Sadamoto, Y Sawa, ... Terahertz, RF, Millimeter, and Submillimeter-Wave Technology and …, 2018 | 17 | 2018 |
| Broadband supercontinuum light source seeded by random distributed feedback fiber laser R Ma, YJ Rao, WL Zhang, H Wu, X Zeng 2017 25th Optical Fiber Sensors Conference (OFS), 1-4, 2017 | 16 | 2017 |
| Volterra-series-based distortion analysis for optimization of out-of-band terminations in GaN HEMT devices ER Srinidhi, R Ma, G Kompa IEEE electron device letters 29 (1), 24-27, 2007 | 16 | 2007 |
| A real-time architecture for agile and FPGA-based concurrent triple-band all-digital RF transmission DC Dinis, R Ma, S Shinjo, K Yamanaka, KH Teo, PV Orlik, ASR Oliveira, ... IEEE Transactions on Microwave Theory and Techniques 66 (11), 4955-4966, 2018 | 15 | 2018 |
| Machine-learning based digital Doherty power amplifier R Ma, M Benosman, KA Manjunatha, Y Komatsuzaki, S Shinjo, KH Teo, ... 2018 IEEE International Symposium on Radio-Frequency Integration Technology …, 2018 | 15 | 2018 |
| A fully analog two-way sequential GaN power amplifier with 40% fractional bandwidth J Shao, R Ma, KH Teo, S Shinjo, K Yamanaka 2015 IEEE International Wireless Symposium (IWS 2015), 1-3, 2015 | 13 | 2015 |
| Range accuracy analysis for FMCW systems with source nonlinearity P Wang, D Millar, K Parsons, R Ma, PV Orlik 2019 IEEE MTT-S International Conference on Microwaves for Intelligent …, 2019 | 12 | 2019 |
| A review of recent development on digital transmitters with integrated GaN switch-mode amplifiers R Ma 2015 IEEE International Symposium on Radio-Frequency Integration Technology …, 2015 | 12 | 2015 |
| A fully-integrated GaN Doherty power amplifier module with a compact frequency-dependent compensation circuit for 5G massive MIMO base stations S Sakata, K Kato, E Teranishi, T Sugitani, R Ma, K Chuang, YC Wu, ... 2020 IEEE/MTT-S International Microwave Symposium (IMS), 711-714, 2020 | 11 | 2020 |
| Implementation of a current-mode class-S RF power amplifier with GaN HEMTs for LTE-Advanced R Ma, Z Wang, X Yang, S Lanfranco WAMICON 2012 IEEE Wireless & Microwave Technology Conference, 1-6, 2012 | 11 | 2012 |
Philip OrlikDirector at Mitsubishi Electric Research LabsVerified email at merl.com
