基于频率选择衰落信道的蜂窝CDMA系统性能评价

Proceedings of PIMRC '96 - 7th International Symposium on Personal, Indoor, and Mobile Communications Pub Date : 1996-10-15 DOI:10.1109/PIMRC.1996.568471

J. Mar, Hung-Yi Chen

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引用次数: 0

摘要

研究了多路径对蜂窝码分多址(CDMA)性能的影响。推导了瑞利选频衰落信道上前向链路和反向链路的误码率。假设具有异步直接序列(DS)扩频的BPSK相干调制。分析结果表明，蜂窝CDMA系统的性能随着同时用户数的增加而下降。研究了不完善的功率控制对蜂窝CDMA系统性能的影响。

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Performance evaluation of a cellular CDMA system over frequency-selective fading channels

An effect of multipath on the performance of cellular code division multiple access (CDMA) is investigated. The bit error rate (BER) for both the forward link and reverse link over Rayleigh frequency-selective fading channels are derived. The coherent BPSK modulation with asynchronous direct-sequence (DS) spreading is assumed. The analysis results show the performance degradation of cellular CDMA system as the number of simultaneous users increase. The impact of imperfect power control on the performance of the cellular CDMA system is also investigated.

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Proceedings of PIMRC '96 - 7th International Symposium on Personal, Indoor, and Mobile Communications

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