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Error performance analysis of decode-and-forward and amplify-and-forward multi-way relay networks with binary phase shift keying modulation

Islam, Shama Naz, Sadeghi, Parastoo and Durrani, Salman 2013, Error performance analysis of decode-and-forward and amplify-and-forward multi-way relay networks with binary phase shift keying modulation, IET Communications, vol. 7, no. 15, pp. 1605-1616, doi: 10.1049/iet-com.2013.0284.

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Title Error performance analysis of decode-and-forward and amplify-and-forward multi-way relay networks with binary phase shift keying modulation
Author(s) Islam, Shama Naz
Sadeghi, Parastoo
Durrani, Salman
Journal name IET Communications
Volume number 7
Issue number 15
Start page 1605
End page 1616
Total pages 12
Publisher The Institution of Engineering and Technology
Place of publication Stevenage, Eng.
Publication date 2013
ISSN 1751-8628
1751-8636
Summary In this study, we analyse the error performance of decode and forward (DF) and amplify and forward (AF) multi-way relay networks (MWRNs). The authors consider a MWRN with pair-wise data exchange protocol using binary phase shift keying (BPSK) modulation in both additive white Gaussian noise (AWGN) and Rayleigh fading channels. The authors quantify the possible error events in an L,-user DF or AF MWRN and derive accurate asymptotic bounds on the probability for the general case that a user incorrectly decodes the messages of exactly k (k∈ [1, L - 1]) users. They show that at high signal-to-noise ratio (SNR), the higher order error events (k ≥ 3) are less probable in AF MWRN, but all error events are equally probable in a DF MWRN. They derive the average BER of a user in a DF or AF MWRN in both AWGN and Rayleigh fading channels under high SNR conditions. Simulation results validate the correctness of the derived expressions. The authors results show that at medium to high SNR, DF MWRN provides better error performance than AF MWRN in AWGN channels even with a large number of users (e.g. L= 100). Whereas, AF MWRN outperforms DF MWRN in Rayleigh fading channels even for much smaller number of users (e.g. L> 10).
Language eng
DOI 10.1049/iet-com.2013.0284
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 ©2013, The Institution of Engineering and Technology
Persistent URL http://hdl.handle.net/10536/DRO/DU:30089407

Document type: Journal Article
Collection: School of Engineering
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