采用不同检测技术的空时栅格编码MC-CDMA系统性能研究

2008 Fourth International Conference on Wireless Communication and Sensor Networks Pub Date : 2008-12-01 DOI:10.1109/WCSN.2008.4772698

L. Bansal, A. Trivedi

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引用次数: 9

摘要

提出了一种适用于多径衰落信道中不同状态的空时栅格编码(STTC)多载波码分多址(MC-CDMA)系统，并通过仿真对系统性能进行了评价。相应的误码率(BER)采用最小均方误差(MMSE)、最大比组合(MRC)和等增益组合(EGC)接收机，采用维特比解码器。对STTC- mc - cdma系统的实验结果表明，采用MMSE检测器的16态STTC系统可以提高系统的性能。

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Performance study of space-time trellis coded MC-CDMA system employing different detection techniques

In this paper, a space-time trellis-coded (STTC) multi-carrier code-division multiple-access (MC-CDMA) system for different states in multi-path fading channel is proposed, and the performance of the system is evaluated using simulation. The corresponding bit error rate (BER) is obtained using minimum mean-square error (MMSE), maximum-ratio combining (MRC), and equal-gain combining (EGC) receivers employing Viterbi decoder. The results of STTC-MC-CDMA system show that the improved performance can be achieved having 16 states STTC with the MMSE detector.

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2008 Fourth International Conference on Wireless Communication and Sensor Networks

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