能量激活函数在异步CDMA系统并行干扰消除中的应用

Fifth Annual Conference on Communication Networks and Services Research (CNSR '07) Pub Date : 2007-05-14 DOI:10.1109/CNSR.2007.46

Xiaoyan Feng, C. Tsimenidis, B. Sharif

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引用次数: 1

摘要

为了降低异步码分多址(CDMA)系统中多用户检测器的复杂度，介绍了一种计算效率高的并行干扰消除(PIC)接收机。采用所提出的能量激活函数(EAF)降低了复杂性。所有的结果都是误码率(BER)的度量。给出了该算法在AWGN和多径环境下的性能。将所提出的PIC算法与传统的PIC算法和传统的匹配滤波接收机进行了比较。

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On the Use of Energy Activation Functions in Parallel Interference Cancellation for Asynchronous CDMA Systems

This paper introduces a computationally efficient parallel interference cancellation (PIC) receiver to reduce the complexity of the multiuser detectors for asynchronous code-division multiple-access (CDMA) systems. The complexity is reduced by employing the proposed energy activation functions (EAF). All the results are measures of the bit error rate (BER). Performance of the proposed algorithm in both the AWGN and the multipath environment is presented. Comparisons are made between the proposed PIC algorithm, the conventional PIC and the conventional matched filter receiver.

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Fifth Annual Conference on Communication Networks and Services Research (CNSR '07)

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