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Multicarrier division duplex aided millimeter wave communications

Multicarrier division duplex aided millimeter wave communications
Multicarrier division duplex aided millimeter wave communications
The existing Time Division Duplex (TDD) and Frequency Division Duplex (FDD) techniques rely on a guard time and/or guard band to avoid Self-Interference (SI) between the uplink and downlink channels, which results in the wastage of
precious spectral resources. The Full-Duplex (FD) schemes of In-Band Full Duplex (IBFD) as well as Multicarrier Division Duplex (MDD) may overcome this drawback while retaining the key benefits of both TDD and FDD. Moreover, the MDD exhibits the exclusive benefits of the reduced Peak-to-Average Power Ratio (PAPR) for signal transmission as well as the SI-free signal detection. Against this background, in this work, we propose a novel FD scheme conceived for frequency-selective millimeter Wave (mmWave) channels, which have not been
investigated in the open literature. Furthermore, we propose a novel Projection aided Iterative Eigenvalue Decomposition (P-IEVD) algorithm, which performs nullspace SI cancellation in the inherent beamforming structure of mmWave communication. Our simulation results confirm that the MDD is capable of
outperforming its Half-Duplex (HD) counterparts of TDD/FDD, even the IBFD can only achieve a better bandwidth efficiency than the MDD when a sufficiently high SNR is provided.
2169-3536
100719-100732
Mysore Rajashekar, Rakshith
d2fbbb04-57c5-4165-908f-600fc1fbdeab
Xu, Chao
5710a067-6320-4f5a-8689-7881f6c46252
Ishikawa, Naoki
7330750b-e4bc-4f46-b500-e190264b2af6
Yang, Lieliang
ae425648-d9a3-4b7d-8abd-b3cfea375bc7
Hanzo, Lajos
66e7266f-3066-4fc0-8391-e000acce71a1
Mysore Rajashekar, Rakshith
d2fbbb04-57c5-4165-908f-600fc1fbdeab
Xu, Chao
5710a067-6320-4f5a-8689-7881f6c46252
Ishikawa, Naoki
7330750b-e4bc-4f46-b500-e190264b2af6
Yang, Lieliang
ae425648-d9a3-4b7d-8abd-b3cfea375bc7
Hanzo, Lajos
66e7266f-3066-4fc0-8391-e000acce71a1

Mysore Rajashekar, Rakshith, Xu, Chao, Ishikawa, Naoki, Yang, Lieliang and Hanzo, Lajos (2019) Multicarrier division duplex aided millimeter wave communications. IEEE Access, 7, 100719-100732. (doi:10.1109/ACCESS.2019.2930333).

Record type: Article

Abstract

The existing Time Division Duplex (TDD) and Frequency Division Duplex (FDD) techniques rely on a guard time and/or guard band to avoid Self-Interference (SI) between the uplink and downlink channels, which results in the wastage of
precious spectral resources. The Full-Duplex (FD) schemes of In-Band Full Duplex (IBFD) as well as Multicarrier Division Duplex (MDD) may overcome this drawback while retaining the key benefits of both TDD and FDD. Moreover, the MDD exhibits the exclusive benefits of the reduced Peak-to-Average Power Ratio (PAPR) for signal transmission as well as the SI-free signal detection. Against this background, in this work, we propose a novel FD scheme conceived for frequency-selective millimeter Wave (mmWave) channels, which have not been
investigated in the open literature. Furthermore, we propose a novel Projection aided Iterative Eigenvalue Decomposition (P-IEVD) algorithm, which performs nullspace SI cancellation in the inherent beamforming structure of mmWave communication. Our simulation results confirm that the MDD is capable of
outperforming its Half-Duplex (HD) counterparts of TDD/FDD, even the IBFD can only achieve a better bandwidth efficiency than the MDD when a sufficiently high SNR is provided.

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Accepted/In Press date: 18 July 2019
e-pub ahead of print date: 22 July 2019

Identifiers

Local EPrints ID: 432677
URI: http://eprints.soton.ac.uk/id/eprint/432677
ISSN: 2169-3536
PURE UUID: 215d3965-e10a-4341-9080-e98433fb04af
ORCID for Rakshith Mysore Rajashekar: ORCID iD orcid.org/0000-0002-7688-7539
ORCID for Chao Xu: ORCID iD orcid.org/0000-0002-8423-0342
ORCID for Lieliang Yang: ORCID iD orcid.org/0000-0002-2032-9327
ORCID for Lajos Hanzo: ORCID iD orcid.org/0000-0002-2636-5214

Catalogue record

Date deposited: 24 Jul 2019 16:30
Last modified: 14 May 2020 00:41

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