Decode-and-forward cooperative communications: performance analysis with power constraints in presence of timing errors

Hossain, M, Sithamparanathan, K and Smith, D 2012, 'Decode-and-forward cooperative communications: performance analysis with power constraints in presence of timing errors', in Jonathan Rodriguez, Rahim Tafazolli and Christos Verikoukis (ed.) Mobile Multimedia Communications, Lisbon, Portugal, 6-8 September 2010, pp. 463-475.


Document type: Conference Paper
Collection: Conference Papers

Title Decode-and-forward cooperative communications: performance analysis with power constraints in presence of timing errors
Author(s) Hossain, M
Sithamparanathan, K
Smith, D
Year 2012
Conference name Mobimedia Conference 2010 (C2POWER workshop)
Conference location Lisbon, Portugal
Conference dates 6-8 September 2010
Proceedings title Mobile Multimedia Communications
Editor(s) Jonathan Rodriguez, Rahim Tafazolli and Christos Verikoukis
Publisher Springer
Place of publication Germany
Start page 463
End page 475
Total pages 13
Abstract Applying cooperative techniques for saving transmit power and the related performance analysis with timing synchronization er- rors is discussed in this paper. The performance of a three-node decode- and-forward, power constrained, cooperative communication system over Rayleigh fading channels with timing synchronization error is considered here. The synchronization capabilities at the three nodes (the source, re- lay and destination), depending on the synchronization technique, num- ber of samples used and the signal-to-noise-ratio at the nodes, play a vital role in the achievable overall quality of service (Bit error rate in this case) of the cooperative system. We present some simulation results to study and compare the performance using a computationally friendly near maximum likelihood timing synchronization method with signal- to-noise-ratio combining (SNRC) technique for the non-cooperative and cooperative scenarios. Our results show that power allocations at the source and relay nodes for transmissions, and the related timing errors at the relay and the destination nodes have some considerable e®ect on the bit error rate performance for power constrained cooperative com- munications.
Subjects Wireless Communications
Keyword(s) decode-and-forward
timing error
power allocation
green communications
power constraint
DOI - identifier 10.1007/978-3-642-35155-6_37
Copyright notice c Institute for Computer Sciences, Social Informatics and Telecommunications Engineering 2012
ISSN 1867-8211
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