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Robust joint hybrid analog-digital transceiver design for full-duplex mmWave multicell systems

Robust joint hybrid analog-digital transceiver design for full-duplex mmWave multicell systems
Robust joint hybrid analog-digital transceiver design for full-duplex mmWave multicell systems
In this work, we investigate a full-duplex (FD) millimeter wave (mmWave) multicell system, where the BS of each cell receives signals from uplink (UL) users and transmits signals to downlink (DL) users at the same time, over the same frequency band. We maximize the sum rate lower bound of the FD multicell system by jointly optimizing the digital and analog beamforming matrices at the base station (BS) and the transmit power levels of the UL users under total transmit power constraints and unit-modulus constraints (due to the analog beamforming matrices), in the presence of imperfect channel state information (CSI). The problem under study is very challenging due to the highly non-convexity of the objective function and constraints. We transform this problem into an equivalent but more tractable form and propose a novel iterative algorithm based on the penalty dual decomposition (PDD) to solve it. The proposed algorithm is guaranteed to converge to the set of Karush-Kuhn-Tucker (KKT) solutions of the original problem. Moreover, we also extend our proposed algorithm to the structure of subarray. Simulation results validate the effectiveness of the proposed algorithm as compared with conventional nonrobust and half-duplex (HD) algorithms.
0090-6778
Zhao, Ming-Min
552875d5-4866-4500-b6b3-e854367adf64
Cai, Yunlong
44a85b9f-185b-4078-aecd-02df90f5eab6
Zhao, Min-Jian
df090273-a8c8-4013-9b5b-02214f31bcc4
Xu, Ying
8d5d6485-4b4f-4d5c-b42d-a04185a2683e
Hanzo, Lajos
66e7266f-3066-4fc0-8391-e000acce71a1
Zhao, Ming-Min
552875d5-4866-4500-b6b3-e854367adf64
Cai, Yunlong
44a85b9f-185b-4078-aecd-02df90f5eab6
Zhao, Min-Jian
df090273-a8c8-4013-9b5b-02214f31bcc4
Xu, Ying
8d5d6485-4b4f-4d5c-b42d-a04185a2683e
Hanzo, Lajos
66e7266f-3066-4fc0-8391-e000acce71a1

Zhao, Ming-Min, Cai, Yunlong, Zhao, Min-Jian, Xu, Ying and Hanzo, Lajos (2020) Robust joint hybrid analog-digital transceiver design for full-duplex mmWave multicell systems. IEEE Transactions on Communications. (In Press)

Record type: Article

Abstract

In this work, we investigate a full-duplex (FD) millimeter wave (mmWave) multicell system, where the BS of each cell receives signals from uplink (UL) users and transmits signals to downlink (DL) users at the same time, over the same frequency band. We maximize the sum rate lower bound of the FD multicell system by jointly optimizing the digital and analog beamforming matrices at the base station (BS) and the transmit power levels of the UL users under total transmit power constraints and unit-modulus constraints (due to the analog beamforming matrices), in the presence of imperfect channel state information (CSI). The problem under study is very challenging due to the highly non-convexity of the objective function and constraints. We transform this problem into an equivalent but more tractable form and propose a novel iterative algorithm based on the penalty dual decomposition (PDD) to solve it. The proposed algorithm is guaranteed to converge to the set of Karush-Kuhn-Tucker (KKT) solutions of the original problem. Moreover, we also extend our proposed algorithm to the structure of subarray. Simulation results validate the effectiveness of the proposed algorithm as compared with conventional nonrobust and half-duplex (HD) algorithms.

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Accepted/In Press date: 20 March 2020

Identifiers

Local EPrints ID: 439619
URI: http://eprints.soton.ac.uk/id/eprint/439619
ISSN: 0090-6778
PURE UUID: dee145bd-0ccd-47bb-9e6f-b94cf036e9f8
ORCID for Lajos Hanzo: ORCID iD orcid.org/0000-0002-2636-5214

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Date deposited: 28 Apr 2020 16:31
Last modified: 17 Mar 2024 02:34

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Contributors

Author: Ming-Min Zhao
Author: Yunlong Cai
Author: Min-Jian Zhao
Author: Ying Xu
Author: Lajos Hanzo ORCID iD

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