SIMO MC-CDMA多用户检测器:一种DSP实现方法

2010 IEEE 11th International Symposium on Spread Spectrum Techniques and Applications Pub Date : 2010-12-03 DOI:10.1109/ISSSTA.2010.5651560

L. D. Oliveira, B. Angélico, P. Jeszensky, T. Abrão

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引用次数: 0

摘要

本研究提出了一个应用于单输入多输出(SIMO)多载波码分多址(MC-CDMA)系统的不同多用户检测器(MuD)的比较框架。分析比较了最优多址(OMuD)、并行干扰消除(PIC)、线性多址和1-最优局部搜索(1-LS)算法的性能和复杂度权衡。从符号错误率(SER)方面进行了性能评价，并通过一系列操作复杂度分析充分展示了实现方面的特点。仿真结果清楚地表明了次优1-LS检测器方法在性能复杂度权衡方面的优势。

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SIMO MC-CDMA multiuser detectors: A DSP implementation approach

This work presents a comparative framework for different multiuser detectors (MuD) applied to single input multiple output (SIMO) multicarrier-code division multiple access (MC-CDMA) system. The Optimum MuD (OMuD), Parallel Interference Cancelling (PIC), Linear MUDs and the 1-optimum Local Search (1-LS) algorithms are analyzed and compared as performance against complexity trade-off. Performance evaluation is carried out in terms of symbol error rate (SER), and further, the implementations aspects are fully exhibited through a number of operation complexity analysis. Simulation results indicate clearly the advantage of sub-optimum 1-LS detector approach in terms of performance-complexity trade-off.

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2010 IEEE 11th International Symposium on Spread Spectrum Techniques and Applications

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