Publications

50 / 3,157 publications found.


  •  Wang, B., Sadeqi, A., Ma, R., Wang, P., Tsujita, W., Sadamoto, K., Sawa, Y., Rezaei Nejad, H., Sonkusale, S., Wang, C., Kim, M., Han, R., "Metamaterial Absorber for THz Polarimetric Sensing", SPIE Photonics West, DOI: 10.1117/​12.2293122, February 2018, vol. 10531.
    BibTeX TR2018-024 PDF
    • @inproceedings{Wang2018feb,
    • author = {Wang, Bingnan and Sadeqi, Aydin and Ma, Rui and Wang, Pu and Tsujita, Wataru and Sadamoto, Kota and Sawa, Yoshitsugu and Rezaei Nejad, Hojatollah and Sonkusale, Sameer and Wang, Cheng and Kim, Mina and Han, Ruonan},
    • title = {Metamaterial Absorber for THz Polarimetric Sensing},
    • booktitle = {SPIE Photonics West},
    • year = 2018,
    • volume = 10531,
    • month = feb,
    • doi = {10.1117/12.2293122},
    • url = {https://www.merl.com/publications/TR2018-024}
    • }
  •  Sakata, S., Ma, R., Shinjo, S., Yamanaka, K., "Digital Transmitter and Envelope Tracking Power Amplifier using GaN Switching Mode Power Amplifiers", Microwave Workshops & Exhibition, November 2017.
    BibTeX TR2017-172 PDF
    • @inproceedings{Sakata2017nov,
    • author = {Sakata, Shuichi and Ma, Rui and Shinjo, Shintaro and Yamanaka, Koji},
    • title = {Digital Transmitter and Envelope Tracking Power Amplifier using GaN Switching Mode Power Amplifiers},
    • booktitle = {Microwave Workshops & Exhibition},
    • year = 2017,
    • month = nov,
    • url = {https://www.merl.com/publications/TR2017-172}
    • }
  •  Tanovic, O., Ma, R., Teo, K.H., "Simultaneous Power Encoding and Upconversion for All-Digital Transmitters Using Digital PWM", IEEE Asia Pacific Microwave Conference, DOI: 10.1109/​APMC.2017.8251579, November 2017.
    BibTeX TR2017-164 PDF
    • @inproceedings{Tanovic2017nov,
    • author = {Tanovic, Omer and Ma, Rui and Teo, Koon Hoo},
    • title = {Simultaneous Power Encoding and Upconversion for All-Digital Transmitters Using Digital PWM},
    • booktitle = {IEEE Asia Pacific Microwave Conference},
    • year = 2017,
    • month = nov,
    • doi = {10.1109/APMC.2017.8251579},
    • url = {https://www.merl.com/publications/TR2017-164}
    • }
  •  Niu, S., Ma, R., Manjunatha, K., "Stochastically Approximated Multiobjective Optimization of Dual Input Digital Doherty Power Amplifier", IEEE International Workshop on Computational Intelligence and Applications, DOI: 10.1109/​IWCIA.2017.8203576, November 2017.
    BibTeX TR2017-163 PDF Video
    • @inproceedings{Niu2017nov,
    • author = {Niu, Sufeng and Ma, Rui and Manjunatha, Koushik},
    • title = {Stochastically Approximated Multiobjective Optimization of Dual Input Digital Doherty Power Amplifier},
    • booktitle = {IEEE International Workshop on Computational Intelligence and Applications},
    • year = 2017,
    • month = nov,
    • doi = {10.1109/IWCIA.2017.8203576},
    • url = {https://www.merl.com/publications/TR2017-163}
    • }
  •  Ma, R., Teo, K.H., Shinjo, S., Yamanaka, K., Asbeck, P., "GaN PA for 4G LTE-Advanced and 5G", IEEE Microwave Magazine, DOI: 10.1109/​MMM.2017.2738498, Vol. 18, No. 7, pp. 77-85, October 2017.
    BibTeX TR2017-160 PDF
    • @article{Ma2017oct,
    • author = {Ma, Rui and Teo, Koon Hoo and Shinjo, Shintaro and Yamanaka, Koji and Asbeck, Peter},
    • title = {GaN PA for 4G LTE-Advanced and 5G},
    • journal = {IEEE Microwave Magazine},
    • year = 2017,
    • volume = 18,
    • number = 7,
    • pages = {77--85},
    • month = oct,
    • doi = {10.1109/MMM.2017.2738498},
    • issn = {1527-3342},
    • url = {https://www.merl.com/publications/TR2017-160}
    • }
  •  Chung, S., Ma, R., Teo, K.H., "A Concurrent Triple-Band Digital Transmitter Using Feedforward Noise Cancellation for Delta-Sigma Modulation", European Microwave Conference, DOI: 10.23919/​EuMC.2017.8231049, October 2017.
    BibTeX TR2017-144 PDF
    • @inproceedings{Chung2017oct,
    • author = {Chung, SungWon and Ma, Rui and Teo, Koon Hoo},
    • title = {A Concurrent Triple-Band Digital Transmitter Using Feedforward Noise Cancellation for Delta-Sigma Modulation},
    • booktitle = {European Microwave Conference},
    • year = 2017,
    • month = oct,
    • doi = {10.23919/EuMC.2017.8231049},
    • url = {https://www.merl.com/publications/TR2017-144}
    • }
  •  Ma, R., Tanovic, O., Teo, K.H., "Optimal Delta-Sigma Modulation Based Noise Shaping for Truly Aliasing-Free digital PWM", European Microwave Conference, DOI: 10.23919/​EuMC.2017.8230951, October 2017.
    BibTeX TR2017-143 PDF
    • @inproceedings{Ma2017oct2,
    • author = {Ma, Rui and Tanovic, Omer and Teo, Koon Hoo},
    • title = {Optimal Delta-Sigma Modulation Based Noise Shaping for Truly Aliasing-Free digital PWM},
    • booktitle = {European Microwave Conference},
    • year = 2017,
    • month = oct,
    • doi = {10.23919/EuMC.2017.8230951},
    • url = {https://www.merl.com/publications/TR2017-143}
    • }
  •  Wang, P., Orlik, P.V., Wang, B., Ma, R., Teo, K.H., Tsujita, W., Sadamoto, K., Sawa, Y., "Bayesian Coupled-Pixel Terahertz-TDS Imaging", International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz), DOI: 10.1109/​IRMMW-THz.2017.8067174, August 2017.
    BibTeX TR2017-136 PDF
    • @inproceedings{Wang2017aug3,
    • author = {Wang, Pu and Orlik, Philip V. and Wang, Bingnan and Ma, Rui and Teo, Koon Hoo and Tsujita, Wataru and Sadamoto, Kota and Sawa, Yoshitsugu},
    • title = {Bayesian Coupled-Pixel Terahertz-TDS Imaging},
    • booktitle = {International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz)},
    • year = 2017,
    • month = aug,
    • doi = {10.1109/IRMMW-THz.2017.8067174},
    • url = {https://www.merl.com/publications/TR2017-136}
    • }
  •  Tanovic, O., Ma, R., Teo, K.H., "Theoretical Bounds on Time-Domain Resolution of Multilevel Carrier-Based Digital PWM Signals Used in All-Digital Transmitters", IEEE International Midwest Symposium on Circuits and Systems, DOI: 10.1109/​MWSCAS.2017.8053131, August 2017.
    BibTeX TR2017-106 PDF
    • @inproceedings{Tanovic2017aug,
    • author = {Tanovic, Omer and Ma, Rui and Teo, Koon Hoo},
    • title = {Theoretical Bounds on Time-Domain Resolution of Multilevel Carrier-Based Digital PWM Signals Used in All-Digital Transmitters},
    • booktitle = {IEEE International Midwest Symposium on Circuits and Systems},
    • year = 2017,
    • month = aug,
    • doi = {10.1109/MWSCAS.2017.8053131},
    • url = {https://www.merl.com/publications/TR2017-106}
    • }
  •  Ma, R., Ali, S.N., Shinjo, S., "Novel Impedance Flattening Network for Wideband GaN Doherty Power Amplifier at 3.4-3.8 GHz", Electronic Design Innovation (EDI), April 2017.
    BibTeX TR2017-051 PDF
    • @article{Ma2017apr,
    • author = {Ma, Rui and Ali, Sheikh Nijam and Shinjo, Shintaro},
    • title = {Novel Impedance Flattening Network for Wideband GaN Doherty Power Amplifier at 3.4-3.8 GHz},
    • journal = {Electronic Design Innovation (EDI)},
    • year = 2017,
    • month = apr,
    • url = {https://www.merl.com/publications/TR2017-051}
    • }
  •  Nakatani, K., Shinjo, S., Miwa, S., Ma, R., Yamanaka, K., "3.0-3.6 GHz Wideband, over 46% Average Efficiency GaN Doherty Power Amplifier with Frequency Dependency Compensating Circuits", IEEE Radio Wireless Week (RWW), January 2017.
    BibTeX TR2017-005 PDF
    • @article{Nakatani2017jan,
    • author = {Nakatani, Keigo and Shinjo, Shintaro and Miwa, Shinichi and Ma, Rui and Yamanaka, Koji},
    • title = {3.0-3.6 GHz Wideband, over 46% Average Efficiency GaN Doherty Power Amplifier with Frequency Dependency Compensating Circuits},
    • journal = {IEEE Radio Wireless Week (RWW)},
    • year = 2017,
    • month = jan,
    • url = {https://www.merl.com/publications/TR2017-005}
    • }
  •  Tanovic, O., Ma, R., Teo, K.H., "Novel Baseband Equivalent Models of Quadrature Modulated All-Digital Transmitters", IEEE Radio Wireless Week (RWW), January 2017.
    BibTeX TR2017-006 PDF
    • @article{Tanovic2017jan,
    • author = {Tanovic, Omer and Ma, Rui and Teo, Koon Hoo},
    • title = {Novel Baseband Equivalent Models of Quadrature Modulated All-Digital Transmitters},
    • journal = {IEEE Radio Wireless Week (RWW)},
    • year = 2017,
    • month = jan,
    • url = {https://www.merl.com/publications/TR2017-006}
    • }
  •  Ma, R., Shao, J., Shinjo, S., Teo, K.H., "Design of Broadband Three-way Sequential Power Amplifiers", IEEE International Symposium on Radio-Frequency Integration Technology (RFIT), DOI: 10.1109/​RFIT.2016.7578196, August 2016.
    BibTeX TR2016-110 PDF
    • @inproceedings{Ma2016aug,
    • author = {Ma, Rui and Shao, Jin and Shinjo, Shintaro and Teo, Koon Hoo},
    • title = {Design of Broadband Three-way Sequential Power Amplifiers},
    • booktitle = {IEEE International Symposium on Radio-Frequency Integration Technology (RFIT)},
    • year = 2016,
    • month = aug,
    • doi = {10.1109/RFIT.2016.7578196},
    • url = {https://www.merl.com/publications/TR2016-110}
    • }
  •  Chung, S., Ma, R., Teo, K.H., "Design Considerations on Wideband Envelope Termination for High Efficiency RF Power Amplifiers", Electronics Letters, DOI: 10.1049/​el.2015.4328, Vol. 52, No. 6, pp. 460-462, March 2016.
    BibTeX TR2016-026 PDF
    • @article{Chung2016mar,
    • author = {Chung, Sungwon and Ma, Rui and Teo, Koon Hoo},
    • title = {Design Considerations on Wideband Envelope Termination for High Efficiency RF Power Amplifiers},
    • journal = {Electronics Letters},
    • year = 2016,
    • volume = 52,
    • number = 6,
    • pages = {460--462},
    • month = mar,
    • publisher = {IET},
    • doi = {10.1049/el.2015.4328},
    • issn = {0013-5194},
    • url = {https://www.merl.com/publications/TR2016-026}
    • }
  •  Ma, R., "Recent Advances in Power Encoding and GaN Switching Technologies for Digital Transmitters", Asia-Pacific Microwave Conference (APMC), DOI: 10.1109/​APMC.2015.7413427, December 2015, vol. 3, pp. 1-3.
    BibTeX TR2015-131 PDF
    • @inproceedings{Ma2015dec,
    • author = {Ma, R.},
    • title = {Recent Advances in Power Encoding and GaN Switching Technologies for Digital Transmitters},
    • booktitle = {Asia-Pacific Microwave Conference (APMC)},
    • year = 2015,
    • volume = 3,
    • pages = {1--3},
    • month = dec,
    • doi = {10.1109/APMC.2015.7413427},
    • isbn = {978-1-4799-8765-8},
    • url = {https://www.merl.com/publications/TR2015-131}
    • }
  •  Ma, R., "A Review of Recent Development on Digital Transmitters with Integrated GaN Switch-Mode Amplifiers", IEEE International Symposium on Radio-Frequency Integration Technology (RFIT), DOI: 10.1109/​RFIT.2015.7377891, August 2015, pp. 73-75.
    BibTeX TR2015-115 PDF
    • @inproceedings{Ma2015aug,
    • author = {Ma, R.},
    • title = {A Review of Recent Development on Digital Transmitters with Integrated GaN Switch-Mode Amplifiers},
    • booktitle = {IEEE International Symposium on Radio-Frequency Integration Technology (RFIT)},
    • year = 2015,
    • pages = {73--75},
    • month = aug,
    • publisher = {IEEE},
    • doi = {10.1109/RFIT.2015.7377891},
    • url = {https://www.merl.com/publications/TR2015-115}
    • }
  •  Chung, S.W, Ma, R., Shinjo, S., Teo, K.H., "Inter-Band Carrier Aggregation Digital Transmitter Architecture with Concurrent Multi-Band Delta-Sigma Modulation Using Out-of-Band Noise Cancellation", IEEE MTT-S International Microwave Symposium, DOI: 10.1109/​MWSYM.2015.7166934, May 2015, pp. 1-4.
    BibTeX TR2015-043 PDF
    • @inproceedings{Chung2015may,
    • author = {Chung, SungWon and Ma, Rui and Shinjo, Shintaro and Teo, Koon H.},
    • title = {Inter-Band Carrier Aggregation Digital Transmitter Architecture with Concurrent Multi-Band Delta-Sigma Modulation Using Out-of-Band Noise Cancellation},
    • booktitle = {IEEE MTT-S International Microwave Symposium},
    • year = 2015,
    • pages = {1--4},
    • month = may,
    • doi = {10.1109/MWSYM.2015.7166934},
    • issn = {0149-645X},
    • url = {https://www.merl.com/publications/TR2015-043}
    • }
  •  Shao, J., Ma, R., Teo, K., Shinjo, S., Yamanaka, K., "A Fully Analog Two-way Sequential GaN Power Amplifier with 40% Fractional Bandwidth", IEEE MTT-S International Wireless Symposium (IWS), March 2015.
    BibTeX TR2015-021 PDF
    • @inproceedings{Shao2015mar,
    • author = {Shao, J. and Ma, R. and Teo, K. and Shinjo, S. and Yamanaka, K.},
    • title = {A Fully Analog Two-way Sequential GaN Power Amplifier with 40% Fractional Bandwidth},
    • booktitle = {IEEE MTT-S International Wireless Symposium (IWS)},
    • year = 2015,
    • month = mar,
    • url = {https://www.merl.com/publications/TR2015-021}
    • }
  •  Chung, S., Ma, R., Shinjo, S., Nakamizo, H., Parsons, K., Teo, K.H., "Concurrent Multiband Digital Outphasing Transmitter Architecture Using Multidimensional Power Coding", IEEE Transactions on Microwave Theory and Techniques, DOI: 10.1109/​TMTT.2014.2387845, Vol. 63, No. 2, pp. 598-613, February 2015.
    BibTeX TR2015-004 PDF
    • @article{Chung2015feb,
    • author = {Chung, S. and Ma, R. and Shinjo, S. and Nakamizo, H. and Parsons, K. and Teo, K.H.},
    • title = {Concurrent Multiband Digital Outphasing Transmitter Architecture Using Multidimensional Power Coding},
    • journal = {IEEE Transactions on Microwave Theory and Techniques},
    • year = 2015,
    • volume = 63,
    • number = 2,
    • pages = {598--613},
    • month = feb,
    • doi = {10.1109/TMTT.2014.2387845},
    • issn = {0018-9480},
    • url = {https://www.merl.com/publications/TR2015-004}
    • }
  •  Chung, S., Ma, R., Teo, K.H., Parsons, K., "Outphasing Multi-Level RF PWM for Inter-Band Carrier Aggregation in Digital Transmitters", IEEE Radio Wireless Week (RWW), January 2015.
    BibTeX TR2015-006 PDF
    • @inproceedings{Chung2015jan,
    • author = {Chung, S. and Ma, R. and Teo, K.H. and Parsons, K.},
    • title = {Outphasing Multi-Level RF PWM for Inter-Band Carrier Aggregation in Digital Transmitters},
    • booktitle = {IEEE Radio Wireless Week (RWW)},
    • year = 2015,
    • month = jan,
    • url = {https://www.merl.com/publications/TR2015-006}
    • }
  •  Zhu, Q., Ma, R., Duan, C., Teo, K.H., Parsons, K., "A 5-level Discrete-time Power Encoder with Measured Coding Efficiency of 70% for 20-MHz LTE Digital Transmitter", IEEE MTT-S International Microwave Symposium (IMS), DOI: 10.1109/​MWSYM.2014.6848311, June 2014, pp. 1-3.
    BibTeX TR2014-037 PDF
    • @inproceedings{Zhu2014jun,
    • author = {Zhu, Q. and Ma, R. and Duan, C. and Teo, K.H.},
    • title = {A 5-level Discrete-time Power Encoder with Measured Coding Efficiency of 70% for 20-MHz LTE Digital Transmitter},
    • booktitle = {IEEE MTT-S International Microwave Symposium (IMS)},
    • year = 2014,
    • pages = {1--3},
    • month = jun,
    • publisher = {IEEE},
    • doi = {10.1109/MWSYM.2014.6848311},
    • url = {https://www.merl.com/publications/TR2014-037}
    • }
  •  Zhu, Q., Ma, R., Duan, C., Yamanaka, K., Teo, K.H., "FPGA Implemented Multi-Level IFPWM Power Coding for Class-S PA in an All-Digital GHz LTE Transmitter", IEEE International Wireless Symposium (IWS), March 2014.
    BibTeX TR2014-014 PDF
    • @inproceedings{Zhu2014mar,
    • author = {Zhu, Q. and Ma, R. and Duan, C. and Yamanaka, K. and Teo, K.H.},
    • title = {FPGA Implemented Multi-Level IFPWM Power Coding for Class-S PA in an All-Digital GHz LTE Transmitter},
    • booktitle = {IEEE International Wireless Symposium (IWS)},
    • year = 2014,
    • month = mar,
    • url = {https://www.merl.com/publications/TR2014-014}
    • }
  •  Zhu, Q., Ma, R., Duan, C., Mukai, K., Shinjo, S., Teo, K.H., "A 5-Level Efficient IFPWM Power Coding Approach Encoding LTE for Class-S Digital-RF Transmitter with Distortion Correction", IEEE Radio Wireless Week (RWW), January 2014.
    BibTeX TR2014-003 PDF
    • @inproceedings{Zhu2014jan,
    • author = {Zhu, Q. and Ma, R. and Duan, C. and Mukai, K. and Shinjo, S. and Teo, K.H.},
    • title = {A 5-Level Efficient IFPWM Power Coding Approach Encoding LTE for Class-S Digital-RF Transmitter with Distortion Correction},
    • booktitle = {IEEE Radio Wireless Week (RWW)},
    • year = 2014,
    • month = jan,
    • url = {https://www.merl.com/publications/TR2014-003}
    • }
  •  Ma, R., Goswami, S., Yamanaka, K., Komatsuzaki, Y., Ohta, A., "A 40-dBm High Voltage Broadband GaN Class-J Power Amplifier for PoE Micro-Basestations", IEEE International Microwave Symposium (IMS), June 2013.
    BibTeX TR2013-045 PDF
    • @inproceedings{Ma2013jun,
    • author = {Ma, R. and Goswami, S. and Yamanaka, K. and Komatsuzaki, Y. and Ohta, A.},
    • title = {A 40-dBm High Voltage Broadband GaN Class-J Power Amplifier for PoE Micro-Basestations},
    • booktitle = {IEEE International Microwave Symposium (IMS)},
    • year = 2013,
    • month = jun,
    • url = {https://www.merl.com/publications/TR2013-045}
    • }
  •  Feng, P., Teo, K.H., Oishi, T., Yamanaka, K., Ma, R., "Design of Enhancement Mode Single-gate and Double-gate Multi-channel GaN HEMT with Vertical Polarity Inversion Heterostructure", International Symposium on Power Semiconductor Devices and ICs (ISPSD), May 2013.
    BibTeX TR2013-036 PDF
    • @inproceedings{Feng2013may,
    • author = {Feng, P. and Teo, K.H. and Oishi, T. and Yamanaka, K. and Ma, R.},
    • title = {Design of Enhancement Mode Single-gate and Double-gate Multi-channel GaN HEMT with Vertical Polarity Inversion Heterostructure},
    • booktitle = {International Symposium on Power Semiconductor Devices and ICs (ISPSD)},
    • year = 2013,
    • month = may,
    • url = {https://www.merl.com/publications/TR2013-036}
    • }