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  5. Network Coded Distributed Spatial Modulation for Relay Networks
 
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Network Coded Distributed Spatial Modulation for Relay Networks

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Author(s)
Shehni, Amir 
Flanagan, Mark F. 
Uri
http://hdl.handle.net/10197/11117
Date Issued
28 June 2018
Date Available
07T14:33:28Z October 2019
Abstract
Distributed spatial modulation (DSM) is a cooperative diversity protocol for a wireless network, whereby communication from a source to a destination is aided by multiple intermediate relays. The main advantage of the DSM protocol is that it provides distributed diversity to the source's transmission, while simultaneously allowing the relays to efficiently transmit their own data to the destination. In this paper, network coding is combined with DSM in order to increase the data rate of the source-to-destination link while maintaining the same diversity order of 2 for this data. Two methods of detection are proposed for implementation at the destination node: an error-aware maximum likelihood (ML) demodulator which is robust to demodulation errors at the relays, and a low-complexity suboptimal demodulator which assumes correct demodulation at the relays. The system bit error rate (BER) performance is measured under two different relay geometries. Simulation results show that for the same overall system throughput, the proposed network coded DSM protocol can increase the source-to-destination data rate by approximately 33.3% compared to the conventional DSM system, while still guaranteeing a similar BER as for DSM for both of the considered channel geometries.
Sponsorship
Science Foundation Ireland
Type of Material
Conference Publication
Publisher
IEEE
Start Page
70
End Page
75
Copyright (Published Version)
2018 IEEE
Keywords
  • Relays

  • Demodulation

  • MIMO communication

  • Throughput

  • Transmitting antennas...

DOI
10.1109/ICT.2018.8464899
Web versions
https://www.comsoc.org/conferences-events/international-conference-telecommunications-2018
Language
English
Status of Item
Peer reviewed
Part of
2018 25th International Conference on Telecommunications ICT 2018
Description
The 25th International Conference on Telecommunications (ICT2018), Saint-Malo, France, 26-28 June 2018
ISBN
9781538623213
This item is made available under a Creative Commons License
https://creativecommons.org/licenses/by-nc-nd/3.0/ie/
Owning collection
Electrical and Electronic Engineering Research Collection
Scopus© citations
2
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Feb 4, 2023
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