Iterative Overlap FDE for Multicode DS-CDMA
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概要
- 論文の詳細を見る
Recently, a new frequency-domain equalization (FDE) technique, called overlap FDE, that requires no GI insertion was proposed. However, the residual inter/intra-block interference (IBI) cannot completely be removed. In addition to this, for multicode direct sequence code division multiple access (DS-CDMA), the presence of residual interchip interference (ICI) after FDE distorts orthogonality among the spreading codes. In this paper, we propose an iterative overlap FDE for multicode DS-CDMA to suppress both the residual IBI and the residual ICI. In the iterative overlap FDE, joint minimum mean square error (MMSE)-FDE and ICI cancellation is repeated a sufficient number of times. The bit error rate (BER) performance with the iterative overlap FDE is evaluated by computer simulation.
- （社）電子情報通信学会の論文
著者
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Adachi Fumiyuki
Dept. of Electrical and Communication Engineering, Graduate School of Engineering, Tohoku University
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Takeda Kazuaki
Tohoku Univ. Sendai‐shi Jpn
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TOMEBA Hiromichi
Dept. of Electrical and Communication Engineering, Graduate School of Engineering, Tohoku University
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TAKEDA Kazuaki
Dept. of Electrical and Communication Engineering, Graduate School of Engineering, Tohoku University
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