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Full-Rate Distributed Space-Time Coding for Bi-directional Cooperative Communications
Ansvarig organisation
2010 (Engelska)Konferensbidrag, Publicerat paper (Refereegranskat) Published
Abstract [en]

In this paper, a protocol for bi-directional cooperative communications applying full-rate distributed space-time codes and physical network coding is proposed. This scheme uses L relays to transmit the codewords in a distributed fashion. It takes 3 time slots for two sources to transmit two corresponding codewords by exploiting physical network coding and self-interference cancelation at each source. We prove that this scheme obtains full diversity. The analytical results show that the diversity order of this scheme will be L+1, where L is the number of relays. In addition, we assess the sum-rate of the bi-directional cooperative communication scheme and reveal that it achieves larger spectral efficiency compared to one-way cooperative communication scheme. We employ Monte Carlo simulations to validate the symbol error rate and the ergodic sum-rate of the scheme.

Ort, förlag, år, upplaga, sidor
Modena, Italy: IEEE , 2010.
Nyckelord [en]
Distributed Space-time Coding. Cooperative Communications
Nationell ämneskategori
Telekommunikation
Identifikatorer
URN: urn:nbn:se:bth-7824Lokalt ID: oai:bth.se:forskinfo44D864A03320F4DAC125772C004C51DAOAI: oai:DiVA.org:bth-7824DiVA, id: diva2:835486
Konferens
IEEE ISWPC 2010 International Symposium on Wireless Pervasive Computing
Tillgänglig från: 2012-09-18 Skapad: 2010-05-23 Senast uppdaterad: 2015-06-30Bibliografiskt granskad

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Zepernick, Hans-Jürgen

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