Error performance analysis of a clustered multiway relay network

Islam, Shama Naz 2016, Error performance analysis of a clustered multiway relay network, IEEE transactions on vehicular technology, vol. 65, no. 11, pp. 8952-8963, doi: 10.1109/TVT.2016.2519507.

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Title Error performance analysis of a clustered multiway relay network
Author(s) Islam, Shama NazORCID iD for Islam, Shama Naz
Journal name IEEE transactions on vehicular technology
Volume number 65
Issue number 11
Start page 8952
End page 8963
Total pages 12
Publisher Institute of Electrical and Electronics Engineers
Place of publication Piscataway, N.J.
Publication date 2016-11
ISSN 0018-9545
Keyword(s) clustered multiway relay network (MWRN)
cooperative communications
error performance
functional decode and forward (FDF)
physical layer network coding
Summary In this paper, we propose a new clustered structure for a multiway relay network (MWRN) with G clusters, N users per cluster, one intracluster relay per cluster, and a single intercluster relay. The proposed structure allows private information exchange among users within a certain cluster through the corresponding intracluster relay and only public information exchange among users in different clusters through the intercluster relay.In this paper, we quantify the dominating error events in the proposed clustered MWRN and derive the expressions for the probability of these error events. Then, we use these expressions to derive the average bit error rate (BER) of a clustered MWRN. It is shown that clustering in an MWRN improves the error performance by reducing the number of dominating error events and, in effect, reducing error propagation, compared with the nonclustered counterpart. The analysis proves that the average BER of a clustered MWRN is minimized when the number ofclusters and the number of users per cluster are chosen to be the closest possible factors of the total number of users, i.e., L = GN. Finally, numerical simulation results are provided to verify the validity of the analysis.
Language eng
DOI 10.1109/TVT.2016.2519507
Field of Research 100510 Wireless Communications
Socio Economic Objective 890199 Communication Networks and Services not elsewhere classified
HERDC Research category C1.1 Refereed article in a scholarly journal
ERA Research output type C Journal article
Copyright notice ©2016, IEEE
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