衰落信道中MT-CDMA信号的分集合并

2001 IEEE Pacific Rim Conference on Communications, Computers and Signal Processing (IEEE Cat. No.01CH37233) Pub Date : 2001-08-26 DOI:10.1109/PACRIM.2001.953542

Q. Rahman, A. Sesay

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引用次数: 0

摘要

分析了检测后分集组合的多音码分多址(MT-CDMA)系统。从平均误码率(BER)的角度进行了分析。该调制器采用差分正交相移键控(DQPSK)信号，在室内环境中通过缓慢衰落和频率选择信道传输信号。本文研究了在给定带宽(BW)、比特率和发射机功率的情况下，分集顺序和音数的影响。本文还比较了差分二相移键控(DBPSK)和基于DQPSK的MT-CDMA系统的误码率性能。

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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Diversity combining for MT-CDMA signals in a fading channel

A multi-tone code division multiple access (MT-CDMA) system with post-detection diversity combining is analyzed. The analysis is presented in terms of average bit error rate (BER). The modulator uses differential quadrature phase shift keying (DQPSK) signaling over a slowly Rician fading and frequency selective channel in the indoor environment. Here, the influence of the order of diversity and number of tones is studied for given bandwidth (BW), bit rate and transmitter power. The paper also compares the BER performance between differential binary phase shift keying (DBPSK) and DQPSK based MT-CDMA systems.

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2001 IEEE Pacific Rim Conference on Communications, Computers and Signal Processing (IEEE Cat. No.01CH37233)

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