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Hybrid beamforming design for dual-polarized millimeter wave MIMO systems

Hybrid beamforming design for dual-polarized millimeter wave MIMO systems
Hybrid beamforming design for dual-polarized millimeter wave MIMO systems
Millimeter wave (mmWave) communications provides a favorable solution for the ever-increasing data rate demands because of its abundant bandwidth availability. The conventional wisdom about mmWave communication channel is that it always exhibits line-of-sight (LOS) propagation with directive antennas. However, it has been shown in the literature that in mobile communications, mmWave frequencies suffer from frequent LOS blockages and exhibit multipath propagation, which motivates the study and analysis of the polarimetric properties of the mmWave channel. While the exploitation of polarization is promising, the cross-polarization associated with it can be detrimental to the overall performance. Therefore, in this paper, we propose a hybrid precoder design which mitigates the cross-polarization by the joint design of a radio-frequency (RF) beamformer as well as the precoder and combiner used in the baseband. We demonstrate through simulations that the proposed design outperforms eigen-beamforming by 10 dB at a given rate, when considering polarization.
0013-5194
Katla, Satyanarayana
f3436daa-e5da-4b3c-ab4b-ad07a0cef99a
El-Hajjar, Mohammed
3a829028-a427-4123-b885-2bab81a44b6f
Hanzo, Lajos
66e7266f-3066-4fc0-8391-e000acce71a1
Katla, Satyanarayana
f3436daa-e5da-4b3c-ab4b-ad07a0cef99a
El-Hajjar, Mohammed
3a829028-a427-4123-b885-2bab81a44b6f
Hanzo, Lajos
66e7266f-3066-4fc0-8391-e000acce71a1

Katla, Satyanarayana, El-Hajjar, Mohammed and Hanzo, Lajos (2018) Hybrid beamforming design for dual-polarized millimeter wave MIMO systems. Electronics Letters. (In Press)

Record type: Article

Abstract

Millimeter wave (mmWave) communications provides a favorable solution for the ever-increasing data rate demands because of its abundant bandwidth availability. The conventional wisdom about mmWave communication channel is that it always exhibits line-of-sight (LOS) propagation with directive antennas. However, it has been shown in the literature that in mobile communications, mmWave frequencies suffer from frequent LOS blockages and exhibit multipath propagation, which motivates the study and analysis of the polarimetric properties of the mmWave channel. While the exploitation of polarization is promising, the cross-polarization associated with it can be detrimental to the overall performance. Therefore, in this paper, we propose a hybrid precoder design which mitigates the cross-polarization by the joint design of a radio-frequency (RF) beamformer as well as the precoder and combiner used in the baseband. We demonstrate through simulations that the proposed design outperforms eigen-beamforming by 10 dB at a given rate, when considering polarization.

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Accepted/In Press date: 28 August 2018

Identifiers

Local EPrints ID: 423205
URI: https://eprints.soton.ac.uk/id/eprint/423205
ISSN: 0013-5194
PURE UUID: 2abaee6b-c796-4753-9efa-597bfada671b
ORCID for Satyanarayana Katla: ORCID iD orcid.org/0000-0002-5411-3962
ORCID for Mohammed El-Hajjar: ORCID iD orcid.org/0000-0002-7987-1401
ORCID for Lajos Hanzo: ORCID iD orcid.org/0000-0002-2636-5214

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Date deposited: 19 Sep 2018 16:30
Last modified: 14 Mar 2019 01:55

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Contributors

Author: Satyanarayana Katla ORCID iD
Author: Mohammed El-Hajjar ORCID iD
Author: Lajos Hanzo ORCID iD

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