A Novel ST-DFT based M-ary FSK Demodulation Method - Frequency Sequence Estimation - for LEO Satellite Communications (Special Issue on Advances in Satellite Communications toward Multimedia Era)
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概要
- 論文の詳細を見る
This paper proposes a novel M-ary FSK demodulation scheme using the Short Time Discrete Fourier Transform (ST-DFT) analysis named Frequency Sequence Estimation (FSE) for low earth orbit (LEO) satellite-based personal multimedia communications. The FSE is a kind of the Viterbi algorithm, searching for the maximum likely frequency path using the instantaneous ST-DFT output as a metric. It is based on the fact that the discrete time-frequency representation of the received signal can be interpreted as a trellis diagram. The proposed method has the excellent transmission performance and spectral efficiency, as well as its own hardware simplicity and frequency offset insensitivity.
- 社団法人電子情報通信学会の論文
- 1997-01-25
著者
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Hara S
Osaka Univ. Suita‐shi Jpn
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Hara S
The Department Of Electronic Information And Energy Engineering Graduate School Of Engineering Osaka
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Hara Shinsuke
The Faculty Of Engineering Osaka University
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Morinaga Norihiko
The Faculty Of Engineering Osaka University
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Morinaga Norihiko
The Graduate School Of Engineering Osaka University
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Hara Shinsuke
The Graduate School Of Engineering Osaka University
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WANNASARNMAYTHA Attapol
the Graduate School of Engineering, Osaka University
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Wannasarnmaytha Attapol
The Graduate School Of Engineering Osaka University
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Morinaga N
Department Of Information Technology Faculty Of Infrastructural Technologies Hiroshima International
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