Multicarrier-Division Duplex: A Duplexing Technique for the Shift to 6G Wireless Communications
Multicarrier-Division Duplex: A Duplexing Technique for the Shift to 6G Wireless Communications
In band full duplex (IBFD) has the potential to not only double spectral efficiency (SE) but also greatly reduce transmission latency. However, the immaturity of existing self-interference cancellation (SIC) techniques renders IBFD impractical for near-future wireless applications. To inherit the merits of FD but with practical SIC requirements, multicarrier-division duplex (MDD) was recently proposed and studied. In this article, we demonstrate the advantages of MDD over the IBFD mode and the conventional half-duplex (HD) modes of frequency-division duplex (FDD) and time-division duplex (TDD) from several essential aspects, including SIC capability, resource integration, and the support for high-mobility communications. Several numerical results are included to show that MDD outperforms IBFD in terms of energy efficiency (EE) and SIC. Compared with the HD modes, MDD is capable of efficiently integrating DL/UL resources to achieve higher SE and significantly outperforms TDD when communicating over fast time-varying channels. Finally, some implementation challenges of MDD systems are discussed.
5G mobile communication, 6G mobile communication, Interference cancellation, OFDM, Power demand, Receivers, Silicon carbide
57-67
Li, Bohan
79b7a5a4-0966-4611-805b-621d4ff9abb5
Yang, Lie-Liang
ae425648-d9a3-4b7d-8abd-b3cfea375bc7
Maunder, Robert
76099323-7d58-4732-a98f-22a662ccba6c
Xiao, Pei
48e5c554-b0e2-41a9-bf48-546628bc4bcc
Sun, Songlin
7edd623a-6d43-4aca-8ab3-d185fcb0a941
1 December 2021
Li, Bohan
79b7a5a4-0966-4611-805b-621d4ff9abb5
Yang, Lie-Liang
ae425648-d9a3-4b7d-8abd-b3cfea375bc7
Maunder, Robert
76099323-7d58-4732-a98f-22a662ccba6c
Xiao, Pei
48e5c554-b0e2-41a9-bf48-546628bc4bcc
Sun, Songlin
7edd623a-6d43-4aca-8ab3-d185fcb0a941
Li, Bohan, Yang, Lie-Liang, Maunder, Robert, Xiao, Pei and Sun, Songlin
(2021)
Multicarrier-Division Duplex: A Duplexing Technique for the Shift to 6G Wireless Communications.
IEEE VechicularTechnology Magazine, 16 (4), .
(doi:10.1109/MVT.2021.3113881).
Abstract
In band full duplex (IBFD) has the potential to not only double spectral efficiency (SE) but also greatly reduce transmission latency. However, the immaturity of existing self-interference cancellation (SIC) techniques renders IBFD impractical for near-future wireless applications. To inherit the merits of FD but with practical SIC requirements, multicarrier-division duplex (MDD) was recently proposed and studied. In this article, we demonstrate the advantages of MDD over the IBFD mode and the conventional half-duplex (HD) modes of frequency-division duplex (FDD) and time-division duplex (TDD) from several essential aspects, including SIC capability, resource integration, and the support for high-mobility communications. Several numerical results are included to show that MDD outperforms IBFD in terms of energy efficiency (EE) and SIC. Compared with the HD modes, MDD is capable of efficiently integrating DL/UL resources to achieve higher SE and significantly outperforms TDD when communicating over fast time-varying channels. Finally, some implementation challenges of MDD systems are discussed.
Text
MDD_VTM_Final
- Accepted Manuscript
More information
Accepted/In Press date: 14 September 2021
e-pub ahead of print date: 20 October 2021
Published date: 1 December 2021
Additional Information:
Funding Information:
The authors would like to acknowledge with thanks the financial support from the Engineering and Physical Sciences Research Council, U.K., under projects EP/P034284/1 and EP/P03456X/1.
Publisher Copyright:
© 2005-2012 IEEE.
Keywords:
5G mobile communication, 6G mobile communication, Interference cancellation, OFDM, Power demand, Receivers, Silicon carbide
Identifiers
Local EPrints ID: 451513
URI: http://eprints.soton.ac.uk/id/eprint/451513
PURE UUID: 4c0e760f-4bab-4137-98b5-491e43329cf1
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Date deposited: 05 Oct 2021 16:31
Last modified: 17 Mar 2024 03:14
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Contributors
Author:
Bohan Li
Author:
Lie-Liang Yang
Author:
Robert Maunder
Author:
Pei Xiao
Author:
Songlin Sun
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