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Low-resolution ADCs are capable of realizing practical 5G millimeter-wave massive MIMO systems

Low-resolution ADCs are capable of realizing practical 5G millimeter-wave massive MIMO systems
Low-resolution ADCs are capable of realizing practical 5G millimeter-wave massive MIMO systems
Nowadays, millimeter-wave (mmWave) massive multiple-input multiple-output (MIMO) systems is a favorable candidate for the fifth generation (5G) cellular systems. However, a key challenge is the high power consumption imposed by its numerous radio frequency (RF) chains, which may be mitigated by opting for low-resolution analog-to-digital converters (ADCs), whilst tolerating a moderate performance loss. In this article, we discuss several important issues based on the most recent research on mmWave massive MIMO systems relying on low-resolution ADCs. We discuss the key transceiver design challenges including channel estimation, signal detector, channel information feedback and transmit precoding. Furthermore, we introduce a mixed-ADC architecture as an alternative technique of improving the overall system performance. Finally, the associated challenges and potential implementations of the practical 5G mmWave massive MIMO system with ADC quantizers are iscussed.
Zhang, Jiayi
edaebb1f-0ef4-434f-a54a-5282057efa3a
Dai, Linglong
6798d8da-f57a-4031-8bbf-4c8dfada7cb6
Li, Xu
b7c3b09c-c497-4ae2-8444-ec2e65308121
Liu, Ying
68aba1c5-29f4-4836-95ca-eb1ac313da03
Hanzo, Lajos
66e7266f-3066-4fc0-8391-e000acce71a1
Zhang, Jiayi
edaebb1f-0ef4-434f-a54a-5282057efa3a
Dai, Linglong
6798d8da-f57a-4031-8bbf-4c8dfada7cb6
Li, Xu
b7c3b09c-c497-4ae2-8444-ec2e65308121
Liu, Ying
68aba1c5-29f4-4836-95ca-eb1ac313da03
Hanzo, Lajos
66e7266f-3066-4fc0-8391-e000acce71a1

Zhang, Jiayi, Dai, Linglong, Li, Xu, Liu, Ying and Hanzo, Lajos (2018) Low-resolution ADCs are capable of realizing practical 5G millimeter-wave massive MIMO systems. IEEE Communications Magazine. (In Press)

Record type: Article

Abstract

Nowadays, millimeter-wave (mmWave) massive multiple-input multiple-output (MIMO) systems is a favorable candidate for the fifth generation (5G) cellular systems. However, a key challenge is the high power consumption imposed by its numerous radio frequency (RF) chains, which may be mitigated by opting for low-resolution analog-to-digital converters (ADCs), whilst tolerating a moderate performance loss. In this article, we discuss several important issues based on the most recent research on mmWave massive MIMO systems relying on low-resolution ADCs. We discuss the key transceiver design challenges including channel estimation, signal detector, channel information feedback and transmit precoding. Furthermore, we introduce a mixed-ADC architecture as an alternative technique of improving the overall system performance. Finally, the associated challenges and potential implementations of the practical 5G mmWave massive MIMO system with ADC quantizers are iscussed.

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Accepted/In Press date: 25 February 2018

Identifiers

Local EPrints ID: 419266
URI: http://eprints.soton.ac.uk/id/eprint/419266
PURE UUID: 5b20aea1-8d80-4b98-a708-2d652a7e912c
ORCID for Lajos Hanzo: ORCID iD orcid.org/0000-0002-2636-5214

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Date deposited: 09 Apr 2018 16:30
Last modified: 07 Oct 2020 05:03

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