基于混合分辨率adc的大规模MIMO上行链路接收机设计与SER分析

Ke Ma, Y. Jing
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引用次数: 0

摘要

本文研究了单单元多用户大规模多输入多输出(MIMO)系统的上行通信,该系统混合了1位模数转换器(adc)和全分辨率adc。考虑到两种ADC类型的差异,提出了一种新的基站接收端低复杂度线性组合方案。推导了一种符号解码方法,分别对每个用户的信息进行解码,并对所提出的组合解码的符号误码率(SER)进行了解析近似。仿真结果表明,与传统的最大比率组合(MRC)接收机相比,该方案的性能得到了显著提高。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Receiver Design and SER Analysis of Massive MIMO Uplink With Mixed-Resolution ADCs
This paper is on the uplink communications of single-cell multi-user massive multi-input-multi-output (MIMO) systems with a mixture of 1-bit analog-to-digital converters (ADCs) and full-resolution ADCs. A new low-complexity linear combining scheme is proposed for the receiver at the base station (BS) to take into account the difference of the two ADC types. A symbol-wise decoding is derived to separately decode the information of each user and an analytical approximation is obtained for the symbol error rate (SER) of the proposed combining and decoding. Simulation results show that the proposed scheme achieves significant performance improvement compared to the traditional maximum-ratio-combining (MRC) receiver.
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