Low complexity adaptive receiver for CDMA with multipath fading

S. Gollamudi, S. Nagaraj, S. Kapoor, Yih-Fang Huang
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引用次数: 2

Abstract

A new receiver scheme for a DS-CDMA system similar to the IS-95 uplink is proposed in this paper that is of lower complexity and superior bit error rate performance in comparison to the conventional non-coherent RAKE receiver. The proposed receiver consists of a coherent RAKE receiver in the form of a transversal filter, and uses channel estimates obtained by an adaptive channel identification algorithm. Adaptation follows the set-membership filtering methodology, that features fast convergence and lower computational complexity compared to least-squares techniques.
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多径衰落CDMA低复杂度自适应接收机
本文提出了一种类似于is -95上行链路的DS-CDMA系统接收机方案,该方案比传统的非相干RAKE接收机具有更低的复杂度和更高的误码率性能。该接收机由一个横向滤波器形式的相干RAKE接收机组成,并使用由自适应信道识别算法获得的信道估计。自适应采用集合隶属度滤波方法,与最小二乘技术相比,收敛速度快,计算复杂度低。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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