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An Architecture of Group MODEM with Timesharing Processing for Satellite Communication Networks
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  • An Architecture of Group MODEM with Timesharing Processing for Satellite Communication Networks
  • An Architecture of Group MODEM with Timesharing Processing for Satellite Communication Networks
저자명
Tanabe. Kazuhiro,Sagawa. Yuichi,Kobayashi. Kiyoshi,Ohata. Kohei,Ueba. Masazumi
간행물명
Joint Conference on Satellite Communications
권/호정보
2002년|2002권 1호|pp.125-130 (6 pages)
발행정보
통신위성우주산업연구회
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정기간행물|ENG|
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기타
이 논문은 한국과학기술정보연구원과 논문 연계를 통해 무료로 제공되는 원문입니다.
서지반출

기타언어초록

A satellite communication system for a mesh type network must support many multi-point connections simultaneously, and allocate satellite channels with the required data rates to support each connection independently. The conventional approach is excessively expensive since it forces the earth station to have one single carrier modem for each connection. To eliminate this problem, we introduce the Multicarrier/Multirate Group MODEM for earth stations. This new MODEM is implemented as a single LSI chip. The current version supports up to 128 communication channels simultaneously, and the bandwidth of each communication channel can be set individually. This paper describes the architecture and processing method of the modem and proposes an algorithm that decreases buffer circuit so as to reduce circuit size. Performance evaluation results are shown.