Novel satellite digital video TDMA system for business video communications

Shuzo Kato, Shuji Kubota, Hiroshi Kazama, Masahiro Morikura

研究成果: Article

6 引用 (Scopus)

抄録

The authors propose a satellite video signal transmission system that uses a time-division multiple-access (CDMA) scheme for digital video signal transmission and a code-division multiple-access (CDMA) scheme for voice signal transmission from a video-signal reception-only earth station (backward voice signal transmission). The adoption of a TDMA scheme makes it possible to transmit video signals from various places and to communicate in multipoint-to-(multi)point mode. For backward voice channel transmission from video-signal-reception-only earth stations, a superposed CDMA voice signal transmission over TDMA video signals by using the same transponder is proposed. The employment of high coding gain forward error correction and development of a cochannel interference cancellation technique have made it possible for the proposed system to transmit a practical number of voice channels. The performance of the proposed system has been experimentally evaluated and the results show the proposed scheme can transmit about 20 CDMA voice channels simultaneously.

元の言語English
ページ(範囲)1054-1065
ページ数12
ジャーナルIEEE Journal on Selected Areas in Communications
10
発行部数3
出版物ステータスPublished - 1992 8
外部発表Yes

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Time division multiple access
Satellites
Code division multiple access
Communication
Industry
Earth (planet)
Cochannel interference
Forward error correction
Transponders

ASJC Scopus subject areas

  • Computer Networks and Communications
  • Electrical and Electronic Engineering

これを引用

Novel satellite digital video TDMA system for business video communications. / Kato, Shuzo; Kubota, Shuji; Kazama, Hiroshi; Morikura, Masahiro.

:: IEEE Journal on Selected Areas in Communications, 巻 10, 番号 3, 08.1992, p. 1054-1065.

研究成果: Article

Kato, Shuzo ; Kubota, Shuji ; Kazama, Hiroshi ; Morikura, Masahiro. / Novel satellite digital video TDMA system for business video communications. :: IEEE Journal on Selected Areas in Communications. 1992 ; 巻 10, 番号 3. pp. 1054-1065.
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