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Featured researches published by Shuzo Kato.


pacific rim conference on communications, computers and signal processing | 1995

A wireless multimedia network on time division duplex CDMA/TDMA

Kazuhiko Seki; Yukitoshi Sanada; Qiang Wang; Shuzo Kato; Vijay K. Bhargava

A wireless multimedia network using a novel channel equalizer on a TDD CDMA/TDMA scheme is proposed. The uplink employs a CDMA scheme to transmit low speed human interface signals, and the downlink employs a TDMA scheme to transmit high speed signals including video and images. The control signals for equalization are calculated by using the output of the matched filters of the CDMA receiver. Theoretical analysis has been carried out to evaluate the BER performance. Numerical results show that a low BER of less than 10/sup -6/ is achieved for the downlink by employing the proposed channel equalizer.


Archive | 1992

Digital communication system using superposed transmission of high speed and low speed digital signals

Takatoshi Sugiyama; Shuji Kubota; Masahiro Morikura; Kiyoshi Enomoto; Shuzo Kato


Archive | 1998

Communication system and wireless communication terminal device used therein

Shuzo Kato; Isao Okazaki


Archive | 1992

Method and circuit for decoding convolutional codes

Katsuhiko Kawazoe; Shunji Honda; Shuji Kubota; Shuzo Kato


Archive | 1992

Spread time diversity spectrum communication system

Shuzo Kato; Shuji Kubota; 周治 久保田; 修三 加藤


Archive | 1998

Communication system and its radio communication terminal

Shuzo Kato; Isao Okazaki; 修三 加藤; 功 岡崎


대한전자공학회 세미나 | 1991

High Resolution and Fast Frequency Setting PLL Synthesizer

Kazuhiko Seki; Masahiro Morikura; Shuzo Kato


Archive | 1995

Sound quality improving circuit

Shuzo Kato; Katsuhiko Kawazoe; Shuji Kubota; Masanobu Suzuki; 周治 久保田; 修三 加藤; 雄彦 川添; 正延 鈴木


Archive | 2003

Viterbi decoding circuit

Shunji Honda; Shuzo Kato; Katsuhiko Kawazoe; Shuji Kubota; 周二 久保田; 修三 加藤; 雄彦 川添; 俊二 本田


電子情報通信学会秋季大会講演論文集 | 1994

A TDMA-TDD Synchronization Control LSIC for PHS

Kiyoshi Kobayashi; Takeyuki Nagura; Kazuhiko Seki; Shuzo Kato

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Katsuhiko Kawazoe

Nagaoka University of Technology

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Kiyoshi Kobayashi

National Institute for Materials Science

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Vijay K. Bhargava

University of British Columbia

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