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Joint user-activity and data detection for grant-free spatial-modulated multi-carrier non-orthogonal multiple access

Joint user-activity and data detection for grant-free spatial-modulated multi-carrier non-orthogonal multiple access
Joint user-activity and data detection for grant-free spatial-modulated multi-carrier non-orthogonal multiple access
Grant-free spatial modulated multi-carrier nonorthogonal multiple access (SM/MC-NOMA) is proposed for supporting the large-scale access of devices transmitting in a sporadic pattern at a low rate. Furthermore, a pair of compressive sensing (CS)-based low-complexity detectors are conceived for jointly detecting the active users and their transmitted data. These detectors are referred to as the Joint Multiuser Matching Pursuit (JMuMP) detector, and the Adaptive MuMP (AMuMP) detector, respectively. However, most of the state-of-the-art CS-based detectors designed for grant-free NOMA systems critically rely on the sparsity of the user activity. By contrast, the proposed AMuMP detector does not require any prior knowledge about the user activity in our SM/MC-NOMA system. The bit error rate (BER) performance of both detectors converges to that of the idealized ‘genie’ receiver, which has perfect knowledge of the user activity. Finally, the complexity of both detectors is quantified.
Compressive sensing, grant-free, multi-carrier, non-orthogonal multiple access, spatial modulation
0018-9545
11673-11684
Liu, Yusha
711a72e8-e8be-4be4-a79d-ea1413e7012a
Yang, Lieliang
ae425648-d9a3-4b7d-8abd-b3cfea375bc7
Hanzo, Lajos
66e7266f-3066-4fc0-8391-e000acce71a1
Liu, Yusha
711a72e8-e8be-4be4-a79d-ea1413e7012a
Yang, Lieliang
ae425648-d9a3-4b7d-8abd-b3cfea375bc7
Hanzo, Lajos
66e7266f-3066-4fc0-8391-e000acce71a1

Liu, Yusha, Yang, Lieliang and Hanzo, Lajos (2020) Joint user-activity and data detection for grant-free spatial-modulated multi-carrier non-orthogonal multiple access. IEEE Transactions on Vehicular Technology, 69 (10), 11673-11684, [9167481]. (doi:10.1109/TVT.2020.3016898).

Record type: Article

Abstract

Grant-free spatial modulated multi-carrier nonorthogonal multiple access (SM/MC-NOMA) is proposed for supporting the large-scale access of devices transmitting in a sporadic pattern at a low rate. Furthermore, a pair of compressive sensing (CS)-based low-complexity detectors are conceived for jointly detecting the active users and their transmitted data. These detectors are referred to as the Joint Multiuser Matching Pursuit (JMuMP) detector, and the Adaptive MuMP (AMuMP) detector, respectively. However, most of the state-of-the-art CS-based detectors designed for grant-free NOMA systems critically rely on the sparsity of the user activity. By contrast, the proposed AMuMP detector does not require any prior knowledge about the user activity in our SM/MC-NOMA system. The bit error rate (BER) performance of both detectors converges to that of the idealized ‘genie’ receiver, which has perfect knowledge of the user activity. Finally, the complexity of both detectors is quantified.

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Accepted/In Press date: 12 August 2020
e-pub ahead of print date: 14 August 2020
Keywords: Compressive sensing, grant-free, multi-carrier, non-orthogonal multiple access, spatial modulation

Identifiers

Local EPrints ID: 443399
URI: http://eprints.soton.ac.uk/id/eprint/443399
ISSN: 0018-9545
PURE UUID: a245c810-7f5f-4814-80a5-395462cde15b
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 Aug 2020 16:33
Last modified: 15 Sep 2021 01:42

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