Distributed Spatial Modulation Aided NOMA

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Title: Distributed Spatial Modulation Aided NOMA
Authors: Shehni, AmirFlanagan, Mark F.
Permanent link: http://hdl.handle.net/10197/11136
Date: 21-Jun-2019
Online since: 2019-10-09T16:45:10Z
Abstract: In this paper, a novel cooperative diversity protocol based on the association of non-orthogonal multiple access (NOMA) and distributed spatial modulation (DSM) is introduced. In the proposed protocol, two source symbols are multiplexed in the power domain, while one source symbol obtains a diversity gain due to its being relayed according to the DSM principle; this doubles the data rate for the source-to-destination link as compared with conventional DSM. We propose two demodulators for use at the destination: an error-aware demodulator which is robust to demodulation errors at the relays, and a suboptimal demodulator which assumes error-free demodulation at the relays. Simulation results demonstrate that while the proposed protocol achieves a source data throughput equal to that of a full-duplex system, its BER performance also significantly outperforms the full-duplex relaying benchmarks of successive relaying and virtual full-duplex DSM.
Funding Details: Science Foundation Ireland
Type of material: Conference Publication
Publisher: IEEE
Copyright (published version): 2019 IEEE
Keywords: Cooperative communicationDemodulationDiversity receptionMulti-access systemsProtocolsRelay networksTelecommunication
DOI: 10.1109/eucnc.2019.8801970
Language: en
Status of Item: Peer reviewed
Is part of: 2019 European Conference on Networks and Communications (EuCNC)
Conference Details: The 2019 European Conference on Networks and Communication (EuCNC), Valenica, Spain, 18-21 June 2019
ISBN: 978-1-7281-0546-8
Appears in Collections:Electrical and Electronic Engineering Research Collection

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