Common transmission of high speed QPSK signals and SSMA signals over nonlinearly amplified transponder

K. Enomoto; M. Morikura; S. Kubota; S. Kato

doi:10.1109/ISSTA.1990.657715

Common transmission of high speed QPSK signals and SSMA signals over nonlinearly amplified transponder

K. Enomoto, M. Morikura, S. Kubota, S. Kato

研究成果: Paper › 査読

抄録

This paper proposes and analyzes experimentally an SSMA signal transmission over a QPSK modulated signal to achieve higher transmission efficiency per transponder and to facilitate a lower transmitter for small earth stations Experimental results show that under the condition of D/U=20 dB, the required Pe=1x10^-4 of the QPSK channel is achieved with only one dB degradation by employing coding rate=7/8 FEC, and the required Pe=1x10^-4 of the SSMA channel is achieved with 7 dB degradation by employing coding rate=l/2 FEC. The link budget shows that the proposed scheme makes it possible to use a low power SSPA for small earth stations.

本文言語	English
ページ	59-64
ページ数	6
DOI	https://doi.org/10.1109/ISSTA.1990.657715
出版ステータス	Published - 1990 1月 1
外部発表	はい
イベント	1990 IEEE International Symposium on Spread Spectrum Techniques and Applications, ISSTA 1990 - London, United Kingdom 継続期間: 1990 9月 24 → 1990 9月 26

Conference

Conference	1990 IEEE International Symposium on Spread Spectrum Techniques and Applications, ISSTA 1990
国/地域	United Kingdom
City	London
Period	90/9/24 → 90/9/26

ASJC Scopus subject areas

信号処理
コンピュータネットワークおよび通信
器械工学

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10.1109/ISSTA.1990.657715

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doi = "10.1109/ISSTA.1990.657715",

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AU - Morikura, M.

AU - Kubota, S.

AU - Kato, S.

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Y1 - 1990/1/1

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AB - This paper proposes and analyzes experimentally an SSMA signal transmission over a QPSK modulated signal to achieve higher transmission efficiency per transponder and to facilitate a lower transmitter for small earth stations Experimental results show that under the condition of D/U=20 dB, the required Pe=1x10-4 of the QPSK channel is achieved with only one dB degradation by employing coding rate=7/8 FEC, and the required Pe=1x10-4 of the SSMA channel is achieved with 7 dB degradation by employing coding rate=l/2 FEC. The link budget shows that the proposed scheme makes it possible to use a low power SSPA for small earth stations.

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T2 - 1990 IEEE International Symposium on Spread Spectrum Techniques and Applications, ISSTA 1990

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Common transmission of high speed QPSK signals and SSMA signals over nonlinearly amplified transponder

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