Keishi Murakami - researchr alias

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Viewing Publication 1 - 11 from 11

2021

2.65Gbps Downlink Communications with Polarization Multiplexing in X-Band for Small Earth Observation SatelliteTomoki Kaneko, Noriyuki Kawano, Yuhei Nagao, Keishi Murakami, Hiromi Watanabe, Makoto Mita, Takahisa Tomoda, Keiichi Hirako, Seiko Shirasaka, Shinichi Nakasuka, Hirobumi Saito, Akira Hirose. ieicetb, 104-B(1):1-12, 2021. [doi]

2005

Performance Improvement for MIMO Communication Systems Employing Per Transmit Antenna Differential Encoding (PADE)Hiroshi Kubo, Masatsugu Higashinaka, Akihiro Okazaki, Keishi Murakami. pimrc 2005: 42-46 [doi]

A Multiple-Symbol Differential Detection Based on Channel Prediction for Fast Time-Varying FadingHiroshi Kubo, Akihiro Okazaki, Kazuo Tanada, Bertrand Penther, Keishi Murakami. ieicet, 88-B(8):3393-3400, 2005. [doi]

2002

A delta-sigma baseband phase detector realizing AGC-free PSK and FSK receiversRyoji Hayashi, Fumio Ishizu, Keishi Murakami. pimrc 2002: 2382-2388 [doi]

2001

Performance of combined ARQ with SR and GBN for broadband wireless systems on a 40 GHz band radio channelNoriyuki Fukui, Akihiro Shibuya, Keishi Murakami. cm, 39(9):122-126, 2001. [doi]

1999

Comparison on maximum-likelihood sequence estimation schemes incorporating carrier phase estimationHiroshi Kubo, Keishi Murakami, Tadashi Fujino. tcom, 47(1):14-17, 1999. [doi]

1995

Adaptive Maximum-Likelihood Sequence Estimation by Means of Combined Equalization and Decoding in Fading EnvironmentsHiroshi Kubo, Keishi Murakami, Tadashi Fujino. jsac, 13(1):102-109, 1995.

1994

An adaptive maximum-likelihood sequence estimator for fast time-varying intersymbol interference channelsHiroshi Kubo, Keishi Murakami, Tadashi Fujino. tcom, 42(234):1872-1880, 1994. [doi]

Adaptive equalization scheme in dual diversity reception for digital mobile communication systemsKoji Ueda, Keishi Murakami, Tadashi Fujino. pimrc 1994: 655-659 [doi]

1991

A Design Of An Adaptive Decision Feedback Equalizer For Digital Mobile Communication SystemsKeishi Murakami, Koji Ueda, Michiaki Takano, Tadashi Fujino. pimrc 1991: 19-23 [doi]

1986

A 120 Mbit/s Coded 8PSK Modem With Soft-Decision Viterbi DecoderTadashi Fujino, Y. Moritani, M. Miyake, Keishi Murakami, Y. Sakato, H. Shiino. icc 1986: 1774-1780

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