Novel satellite digital video TDMA system for business video communications

Shuzo Kato, Shuji Kubota, Hiroshi Kazama, Masahiro Morikura

Research output: Contribution to journalArticle

6 Citations (Scopus)

Abstract

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.

Original languageEnglish
Pages (from-to)1054-1065
Number of pages12
JournalIEEE Journal on Selected Areas in Communications
Volume10
Issue number3
Publication statusPublished - 1992 Aug
Externally publishedYes

Fingerprint

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

Cite this

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

In: IEEE Journal on Selected Areas in Communications, Vol. 10, No. 3, 08.1992, p. 1054-1065.

Research output: Contribution to journalArticle

Kato, Shuzo ; Kubota, Shuji ; Kazama, Hiroshi ; Morikura, Masahiro. / Novel satellite digital video TDMA system for business video communications. In: IEEE Journal on Selected Areas in Communications. 1992 ; Vol. 10, No. 3. pp. 1054-1065.
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