基于迭代检测的多载波CDMA性能研究

ICUPC '98. IEEE 1998 International Conference on Universal Personal Communications. Conference Proceedings (Cat. No.98TH8384) Pub Date : 1998-10-05 DOI:10.1109/ICUPC.1998.732817

M. Akther, J. Asenstorfer, P. Alexander, M. Reed

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引用次数: 18

摘要

本文考虑用矩阵代数方法描述具有前向差错控制编码的多载波CDMA系统。我们考虑了移动通信系统的上行链路，推导了频率选择信道模型，并证明了其与DS-CDMA信道的相似性。因此，我们利用先前发表的结合迭代解码和干扰消除的技术来减少系统中存在的多用户干扰(MUI)，并表明即使在中等信噪比下，性能也接近单用户性能。

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Performance of multi-carrier CDMA with iterative detection

We consider a matrix algebraic approach to describe the multi-carrier CDMA (MC-CDMA) system with forward error control coding. We consider the uplink of a mobile communications system and derive the frequency selective channel model and show its similarity with the DS-CDMA channel. We therefore take advantage of a previously published technique that combines iterative decoding and interference cancellation to reduce the multiuser interference (MUI) present in the system and show that the performance approaches single user performance even for moderate signal to noise ratios.

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来源期刊

ICUPC '98. IEEE 1998 International Conference on Universal Personal Communications. Conference Proceedings (Cat. No.98TH8384)

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