BER Analysis of Parallel and Successive Interference Cancellation employing MMSE Equalizer for MC-CDMA Systems

被引：2

作者：

Frikel, M. ^{[1
]}

Targui, B. ^{[1
]}

M'Saad, M. ^{[1
]}

Safi, S. ^{[1
]}

机构：

[1] Equipe Automat Theory Syst & Telecommun TST, F-14050 Caen, France

来源：

2009 INTERNATIONAL CONFERENCE ON MULTIMEDIA COMPUTING AND SYSTEMS (ICMCS 2009) | 2009年

关键词：

Wireless Communication; MC-COMA; BER;

D O I：

10.1109/MMCS.2009.5256712

中图分类号：

TP3 [计算技术、计算机技术];

学科分类号：

0812 ;

摘要：

This paper introduces a parallel/sucessive interference cancellation scheme for multi-carriers code-division multiple access (MC-COMA) in the case of a downlink transmission, that reduces the degrading effect on the desired user of interference from the other users who share the same channel. The implementation complexity of the scheme is linear in the number of users and operates on the fact that parallel processing simultaneously removes from each user a part of the interference produced by the remaining users accessing the channel the amount being proportional to their reliability. The parallel processing can be done in multiple stages. The proposed scheme uses an hybrid interference cancellation combining the advantages of these two schemes: parallel interference cancellation (PIC) and successive interference cancellation (SIC). The hybrid scheme (S-PIC) is faster, reliable and it reduces the computational load. Simulation results are given for different scenarios.

引用

页码：158 / 161

页数：4

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