Inter-Modulation Compensation for Multi-Carrier M-ary/SS System (Special Section on Spread Spectrum Techniques and Applications)
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概要
- 論文の詳細を見る
One of the problems in multi-carrier modulation is nonlinear distortion due to nonlinearity of channels, such as in HPA (High Power Amplifier). This problem is also true of multi-carrier SS (Spread Spectrum) systems. In this paper, an inter-modulation compensation scheme for multi-carrier M-ary/SS system is proposed. We propose two methods to control the sequences transmitted in parallel to avoid the occurrence of severe inter-modulation distortion. One is the "package sequence selection" method, which requires slight redundancy. The other method is based on error correction code, which requires no additional frequency or power except the redundancy for error correction. We confirm the validity of our proposed scheme by computer simulation, and the BER (Bit Error Rate) performance in an AWGN (Additive White Gaussian Noise) channel is presented.
- 社団法人電子情報通信学会の論文
- 1999-12-25
著者
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Nakagawa Masao
Faculty Of Science And Technology Keio University
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Horisaki Koji
Faculty Of Science And Technology Keio University:(present Address) Toshiba Corporation.
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Nakagawa Masao
Faculty Of Engineering Keio University
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Nakagawa Masao
Faculty Of Agriculture The University Of Tokyo
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