基于部分平行干涉消除的边缘辅助经典去相干器

S. M. Gulhane, S. S. Pathak
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引用次数: 0

摘要

边缘辅助去相关器可用于实现低复杂度和低检测延迟的异步CDMA接收。然而,在边缘辅助去相关器中,用于辅助信号检测的一次性去相关器对支持的用户数量有一定的限制。文献报道了一种边缘辅助经典去相关器(EACD),用于提高异步CDMA中抗多用户干扰的性能。本文提出了一种基于单镜头思想的多级部分并行干涉消除方法,用于EACD的边缘估计。该方案提高了异步CDMA系统中EACD的性能和用户容量。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Partial parallel interference cancellation based edge assisted classical decorrelator (EACD-PPIC)
Edge-assisted decorrelators are useful in realization of asynchronous CDMA reception with considerably low complexity and low detection delay. However the one-shot decorrelator, which is used to assist the signal detection in edge- assisted decorrelators, put constraint on the number of users that are supported. An edge assisted classical decorrelator (EACD) is reported in literature for improved performance against multiuser interference in asynchronous CDMA. In this paper a multistage partial parallel interference cancellation (PPIC) with an idea of one shot is proposed to use for edge estimations in EACD. The proposed scheme improves the performance and user capacity of EACD in asynchronous CDMA systems.
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