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On low-resolution ADCs in practical 5G millimeter-wave massive MIMO systems

On low-resolution ADCs in practical 5G millimeter-wave massive MIMO systems
On low-resolution ADCs in practical 5G millimeter-wave massive MIMO systems

Nowadays, mmWave MIMO systems are favorable candidates for 5G cellular systems. However, a key challenge is the high power consumption imposed by its numerous RF chains, which may be mitigated by opting for low-resolution ADCs, while 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 overall system performance. Finally, the associated challenges and potential implementations of the practical 5G mmWave massive MIMO system with ADC quantizers are discussed.

0163-6804
205-211
Zhang, Jiayi
068aa40d-d17b-4f5b-b70c-fb55bc8c19c1
Dai, Linglong
a3b9a8e1-777f-4196-a388-969444c7239d
Li, Xu
b7c3b09c-c497-4ae2-8444-ec2e65308121
Liu, Ying
68aba1c5-29f4-4836-95ca-eb1ac313da03
Hanzo, Lajos
66e7266f-3066-4fc0-8391-e000acce71a1
Zhang, Jiayi
068aa40d-d17b-4f5b-b70c-fb55bc8c19c1
Dai, Linglong
a3b9a8e1-777f-4196-a388-969444c7239d
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) On low-resolution ADCs in practical 5G millimeter-wave massive MIMO systems. IEEE Communications Magazine, 56 (7), 205-211. (doi:10.1109/MCOM.2018.1600731).

Record type: Article

Abstract

Nowadays, mmWave MIMO systems are favorable candidates for 5G cellular systems. However, a key challenge is the high power consumption imposed by its numerous RF chains, which may be mitigated by opting for low-resolution ADCs, while 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 overall system performance. Finally, the associated challenges and potential implementations of the practical 5G mmWave massive MIMO system with ADC quantizers are discussed.

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Accepted/In Press date: 25 February 2018
e-pub ahead of print date: 13 April 2018
Published date: 1 July 2018

Identifiers

Local EPrints ID: 423249
URI: http://eprints.soton.ac.uk/id/eprint/423249
ISSN: 0163-6804
PURE UUID: 8450449a-064a-46b1-8612-67d01436f7d3
ORCID for Lajos Hanzo: ORCID iD orcid.org/0000-0002-2636-5214

Catalogue record

Date deposited: 19 Sep 2018 16:31
Last modified: 15 Jul 2022 01:33

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Contributors

Author: Jiayi Zhang
Author: Linglong Dai
Author: Xu Li
Author: Ying Liu
Author: Lajos Hanzo ORCID iD

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