Non-coherent Reception of M-ary Spread-Spectrum Signals in the Presence of Carrier Frequency Offset
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概要
- 論文の詳細を見る
This paper discusses the performance of noncoherent reception for M-ary spread-spectrum (M-ary/SS) signals in the presence of carrier frequency offset. In general, the M-ary/SS scheme is expected to be of higher spectral efficiency than the conventional DS/SS schemes, but its performance may be degraded by the carrier frequency offset. We, therefore, analyze the effect of carrier frequency offset on the performance of the non-coherent M-ary/SS system with orthogonal modulation using a set of sequences generated by the Hadamard matrix. As a result of the analysis, it has been found that the carrier frequency offset may cause a great deal of degradation in the performance, and that its effect has a distinctive property which is due to the characteristic of Hadamard matrix, at the same time. Making use of this property, we propose two schemes that can mitigate the effect of carrier frequency offset : one is based on choice of the code sequences, the other is on the error correcting code. The effectiveness of the schemes is evaluated in the terms of symbol-error-rates through analysis and computer simulation.
- 社団法人電子情報通信学会の論文
- 1995-09-25
著者
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OGAWA Akira
Department of Neurosurgery, Iwate Medical University School of Medicine
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Wada Tadahiro
Department Of Electrical And Electronics Engineering Shizuoka University
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Wada Tadahiro
Shizuoka Univ. Hamamatsu‐shi Jpn
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YAMAZATO Takaya
Department of Information Electronics, School of Engineering, Nagoya University
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KATAYAMA Masaaki
Department of Information Electronics, School of Engineering, Nagoya University
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Ogawa Akira
Department Of Biochemistry Gunma University Graduate School Of Medicine
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Katayama Masaaki
Department Of Applied Chemistry Graduate School Of Engineering Kyushu University
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Ogawa Akira
Department Of Applied Chemistry Graduate School Of Engineering The University Of Tokyo
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