Coded diversity for cooperative MISO based wireless sensor networks

Authors:
Asaduzzaman Asaduzzaman;Hyung Yun Kong
Affiliations:
Department of Electrical Engineering, University of Ulsan, Ulsan, Korea;Department of Electrical Engineering, University of Ulsan, Ulsan, Korea
Venue:
IEEE Communications Letters
Year:
2009

Citing 7
Cited 1

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Asynchronous cooperative diversity

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Evaluating the performance of convolutional codes over block fading channels

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On coding for block fading channels

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Distributed space-time-coded protocols for exploiting cooperative diversity in wireless networks

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Cooperative diversity in wireless networks: Efficient protocols and outage behavior

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Energy-efficiency of MIMO and cooperative MIMO techniques in sensor networks

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An energy-efficient clustered distributed coding for large-scale wireless sensor networks

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Abstract

Motivated by the recent works on cooperative MIMO, this letter presents a coded diversity based cooperative protocol for wireless sensor networks. In densely deployed sensor networks, nearby nodes form a cluster of virtual antenna array to provide independent fading paths. The source node encodes the information bits with any channel code and forwards a portion of the codeword towards the cooperating nodes. The source and the cooperating nodes transmit different portion of the codeword to achieve a coded diversity at destination. Analysis and simulation show that our proposal can achieve full diversity when code rate is below a certain threshold.