MIMO Precoding and Combining Solutions for Millimeter-Wave Systems

被引：564

作者：

Alkhateeb, Ahmed ^{[1
]}

Mo, Jianhua ^{[1
]}

Gonzalez-Prelcic, Nuria ^{[3
]}

Heath, Robert W., Jr. ^{[2
]}

机构：

[1] Univ Texas Austin, WNCG, Austin, TX 78712 USA

[2] Univ Texas Austin, Elect & Commun Engn Dept, Austin, TX 78712 USA

[3] Univ Vigo, Signal Theory & Commun Dept, Vigo, Spain

来源：

IEEE COMMUNICATIONS MAGAZINE | 2014年 / 52卷 / 12期

基金：

美国国家科学基金会;

关键词：

Analog to digital conversion - Beam forming networks;

D O I：

10.1109/MCOM.2014.6979963

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

Millimeter-wave communication is one way to alleviate the spectrum gridlock at lower frequencies while simultaneously providing high-bandwidth communication channels. MmWave makes use of MIMO through large antenna arrays at both the base station and the mobile station to provide sufficient received signal power. This article explains how beamforming and precoding are different in MIMO mmWave systems than in their lower-frequency counterparts, due to different hardware constraints and channel characteristics. Two potential architectures are reviewed: hybrid analog/digital precoding/combining and combining with low-resolution analog-to-digital converters. The potential gains and design challenges for these strategies are discussed, and future research directions are highlighted.

引用

页码：122 / 131

页数：10

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