R
Rui Murakami
Researcher at Tokyo Institute of Technology
Publications - 16
Citations - 639
Rui Murakami is an academic researcher from Tokyo Institute of Technology. The author has contributed to research in topics: CMOS & Phase noise. The author has an hindex of 9, co-authored 16 publications receiving 620 citations.
Papers
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Journal ArticleDOI
A 60-GHz 16QAM/8PSK/QPSK/BPSK Direct-Conversion Transceiver for IEEE802.15.3c
Kenichi Okada,Ning Li,Kouta Matsushita,Keigo Bunsen,Rui Murakami,Ahmed Eleojo Musa,Takashi Sato,Hiroki Asada,Naoki Takayama,Shogo Ito,Win Chaivipas,Ryo Minami,Tatsuya Yamaguchi,Yasuaki Takeuchi,Hiroyuki Yamagishi,Makoto Noda,Akira Matsuzawa +16 more
TL;DR: This paper presents a 60-GHz direct-conversion transceiver using 60- GHz quadrature oscillators, which realizes IEEE802.15.3c full-rate wireless communication for all 16QAM/8PSK/QPSk/B PSK/BPSK modes, and the communication distances with the full data rate using 2.16-GHz bandwidth.
Journal ArticleDOI
Full Four-Channel 6.3-Gb/s 60-GHz CMOS Transceiver With Low-Power Analog and Digital Baseband Circuitry
Kenichi Okada,Keitarou Kondou,Masaya Miyahara,Masashi Shinagawa,Hiroki Asada,Ryo Minami,T. Yamaguchi,Ahmed Eleojo Musa,Yuuki Tsukui,Yasuo Asakura,Shinya Tamonoki,Hiroyuki Yamagishi,Yasufumi Hino,Takashi Sato,Hironori Sakaguchi,N. Shimasaki,Toshihiko Ito,Yasuaki Takeuchi,Ning Li,Qinghong Bu,Rui Murakami,Keigo Bunsen,Kouta Matsushita,Makoto Noda,Akira Matsuzawa +24 more
TL;DR: This paper presents a 60-GHz direct-conversion RF front-end and baseband transceiver including analog and digital circuitry for PHY functions, capable of more than 7-Gb/s 16QAM wireless communication for every channel of the 60- GHz standards, which can be extended up to 10 Gb/s.
Proceedings ArticleDOI
A full 4-channel 6.3Gb/s 60GHz direct-conversion transceiver with low-power analog and digital baseband circuitry
Kenichi Okada,Keitarou Kondou,Masaya Miyahara,Masashi Shinagawa,Hiroki Asada,Ryo Minami,Tatsuya Yamaguchi,Ahmed Eleojo Musa,Yuuki Tsukui,Yasuo Asakura,Shinya Tamonoki,Hiroyuki Yamagishi,Yasufumi Hino,Takahiro Sato,Hironori Sakaguchi,Naoki Shimasaki,Toshihiko Ito,Yasuaki Takeuchi,Ning Li,Qinghong Bu,Rui Murakami,Keigo Bunsen,Kota Matsushita,Makoto Noda,Akira Matsuzawa +24 more
TL;DR: This paper presents a 60 GHz direct-conversion front-end and baseband transceiver, including analog and digital circuitry for the PHY functions, and is capable of more than 7 Gb/s 16QAM wireless communication for every channel of the 60 GHz standards.
Proceedings Article
A 0.114-mW dual-conduction class-C CMOS VCO with 0.2-V power supply
TL;DR: In this paper, a dual-conduction class-C CMOS VCO for ultra-low supply voltages is proposed, where two cross-coupled NMOS pairs with different bias points are employed, which realize impulselike current waveform to improve the phase noise in low supply conditions.
Proceedings ArticleDOI
A 58–63.6GHz quadrature PLL frequency synthesizer in 65nm CMOS
TL;DR: In this article, a 60GHz quadrature PLL frequency synthesizer with a tuning range capable of covering the whole band specified by the IEEE 802.15.3c with exceptional phase noise is presented.