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Large-Scale cooperative relaying network with optimal coherent Combining under Aggregate Relay Power Constraints
Ericsson Research, Isafjordsgatan 14E, 164 93 Kista, Sweden.
2003 (English)In: Proc. of the Future Telecommunications Conference (FTC2003), Beijing, China, Dec. 2003, 2003, 166-170 p.Conference paper (Refereed)
Abstract [en]

Communication schemes exploiting cooperating relay nodes can enable significant SNR and diversity order enhancements. In this paper, a communicating pair of nodes with support from an arbitrary number of relay nodes cooperating in parallel is considered, and the optimal weighting parameters for coherent combining based non-regenerative relaying are derived under aggregate relay power constraint. The analysis demonstrates that each relay merely requires multiplying the received signal with an individual phase and amplitude factor and a common amplitude normalization factor. It is illustrated that the resulting SNR is substantially enhanced compared to direct communication and that SNR improves with increasing relay station density.

Place, publisher, year, edition, pages
2003. 166-170 p.
National Category
Communication Systems
URN: urn:nbn:se:kth:diva-67464OAI: diva2:484986
FTC 2003
Qc 20120203Available from: 2012-02-03 Created: 2012-01-27 Last updated: 2012-02-03Bibliographically approved

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Larsson, Peter
Communication Systems

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ReferencesLink to record
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