序列周期相关特性对CDMA系统和容量的影响

Conference Record of the Thirty-Fourth Asilomar Conference on Signals, Systems and Computers (Cat. No.00CH37154) Pub Date : 2000-10-29 DOI:10.1109/ACSSC.2000.910770

S. Stańczak, H. Boche

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引用次数: 4

摘要

本文研究了一种所有用户在发射机处完全同步，但信号经过具有小延迟扩展和一个强路径的多径信道的CDMA信道中，扩频序列的相关特性对信道总容量的影响。结果表明，如果扩展序列具有良好的周期相关特性，当功率均匀分布在路径上时，可以以牺牲序列长度为代价使和容量最大化。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Influence of periodic correlation properties of sequences on the sum capacity of CDMA systems

The paper investigates the influence of correlation properties of spreading sequences on the sum capacity of a CDMA channel, in which all users are in exact synchronism at their transmitters but the signals pass through multipath channels with small delay spread and one strong path. It is shown that if spreading sequences have favorable periodic correlation properties, the sum capacity can be maximized at the expense of the sequence length when the power is uniformly distributed over the paths.

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Conference Record of the Thirty-Fourth Asilomar Conference on Signals, Systems and Computers (Cat. No.00CH37154)

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