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Performance Analysis of Cooperative Spatial Multiplexing with Amplify-and-Forward Relays
Responsible organisation
2009 (English)Conference paper, (Refereed) Published
Abstract [en]

Cooperative spatial multiplexing (CSM) systems can achieve high spatial multiplexing gain in wireless relay networks since each single-antenna relay forwards simultaneously a different subset of source messages to the destination. In this paper, the performance of CSM with amplify-and-forward (AF) relays are presented. Specifically, we derive exact closed-form expressions for symbol error probability (SEP) and achievable spectral efficiency of CSM with linear receiver in dissimilar Rayleigh fading channels. Assessing the SEP performance in the high signal-to-noise regime, we further show that CSM with AF relays obtains the first order of diversity gain. Furthermore, it has been observed that CSM outperforms two well-known cooperative diversity systems, e.g., selection combining and maximal ratio combining, in term of spectral efficiency. We also perform Monte-Carlo simulations to validate our analysis.

Place, publisher, year, edition, pages
Tokyo - Japan: IEEE , 2009.
National Category
Telecommunications Signal Processing
Identifiers
URN: urn:nbn:se:bth-8023Local ID: oai:bth.se:forskinfo67718EFCD986FA8DC125760B004C2503OAI: oai:DiVA.org:bth-8023DiVA: diva2:835707
Conference
IEEE Personal, Indoor and Mobile Communications Symposium (PIMRC09)
Available from: 2012-09-18 Created: 2009-08-07 Last updated: 2015-06-30Bibliographically approved

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CiteExportLink to record
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Citation style
  • apa
  • harvard1
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