MIMO precoding and combining solutions for millimeter-wave systems

Ahmed Alkhateeb; Jianhua Mo; Nuria González-Prelcic; Robert W. Heath

doi:10.1109/MCOM.2014.6979963

MIMO precoding and combining solutions for millimeter-wave systems

Ahmed Alkhateeb, Jianhua Mo, Nuria González-Prelcic, Robert W. Heath

Research output: Contribution to journal › Article › peer-review

582 Scopus citations

Abstract

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 ana-log-to-digital converters. The potential gains and design challenges for these strategies are discussed, and future research directions are highlighted.

Original language	English (US)
Article number	6979963
Pages (from-to)	122-131
Number of pages	10
Journal	IEEE Communications Magazine
Volume	52
Issue number	12
DOIs	https://doi.org/10.1109/MCOM.2014.6979963
State	Published - Dec 1 2014
Externally published	Yes

ASJC Scopus subject areas

Computer Science Applications
Computer Networks and Communications
Electrical and Electronic Engineering

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10.1109/MCOM.2014.6979963

Cite this

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abstract = "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 ana-log-to-digital converters. The potential gains and design challenges for these strategies are discussed, and future research directions are highlighted.",

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AB - 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 ana-log-to-digital converters. The potential gains and design challenges for these strategies are discussed, and future research directions are highlighted.

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MIMO precoding and combining solutions for millimeter-wave systems

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