基于虚拟子载波的MC-CDMA系统频率同步算法

2006 IFIP International Conference on Wireless and Optical Communications Networks Pub Date : 2006-08-07 DOI:10.1109/WOCN.2006.1666543

L. Nithyanandan, S. Thirunavukarasu, P. Dananjayan

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引用次数: 0

摘要

在第三代无线通信系统中，高数据速率多媒体业务是通过宽带码分多址(W-CDMA)系统实现的。多载波CDMA系统提供了CDMA系统中频率分集的优点，从而降低了误码率。基于CDMA的系统可以通过减少干扰、消除干扰和适当的同步来降低误码率，从而提高容量。本文提出了一种基于虚拟子载波的频率同步算法，该算法在不增加传输开销的情况下降低了MC CDMA系统的误码率，从而提高了系统容量

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Virtual sub carrier based frequency synchronization algorithm for MC-CDMA system

In third generation wireless communication system, high data rate multimedia services are achieved through wideband code division multiple access (W-CDMA) systems. Multi carrier CDMA system provides the advantage of frequency diversity in CDMA system and thus reduces the bit error rate. Capacity of CDMA based systems can be increased by decreasing BER, which is possible through interference reduction, interference cancellation and proper synchronization. In this paper, virtual sub carrier based frequency synchronization algorithm is proposed which reduces the BER of MC CDMA system without any transmission overhead and hence enhances the capacity

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2006 IFIP International Conference on Wireless and Optical Communications Networks

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