Virtual MIMO-based cooperative communication for energy-constrained wireless sensor networks
Jayaweera, Sudharman K.
Jayaweera, Sudharman K.
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2006-05-31
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Article
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Keywords
Cooperative Mimo,Energy Efficiency,Mimo,Virtual Mimo,Wireless Sensor Networks,Fading,Input Multiple-output (mimo),Space-time Block Coding (stbc),Virtual Mimo Technique,Codes (symbols),Energy Efficiency,Parameter Estimation,Sensors,Telecommunication Networks,Wireless Telecommunication Systems
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Citation
S. K. Jayaweera, "Virtual MIMO-based cooperative communication for energy-constrained wireless sensor networks," in IEEE Transactions on Wireless Communications, vol. 5, no. 5, pp. 984-989, May 2006, doi: 10.1109/TWC.2006.1633350
Abstract
An energy-efficient virtual multiple-input multiple-output (MIMO)-based communication architecture is proposed for distributed and cooperative wireless sensor networks. Assuming a space-time block coding (STBC) based MIMO system, the energy and delay efficiencies of the proposed scheme are derived using semi-analytic techniques. The dependence of these efficiency values on physical channel propagation parameters, fading coherence time and the amount of required training is also investigated. The results show that with judicious choice of design parameters the virtual MIMO technique can be made to provide significant energy and delay efficiencies, even after allowing for additional training overheads. © 2006 IEEE. © 2011 Elsevier B.V., All rights reserved.
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This is an open access article under the CC by license.
Publisher
IEEE
Journal
IEEE Transactions on Wireless Communications
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ISSN
1536-1276
1558-2248
1558-2248