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Cooperative communications with relay selection for wireless networks: design issues and applications

Liang, Xuedong; Chen, Min; Balasingham, Ilangko; Leung, Victor C.M.
Peer reviewed, Journal article
Published version
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URI
https://hdl.handle.net/11250/2657355
Date
2013
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  • Institutt for elektroniske systemer [1555]
  • Publikasjoner fra CRIStin - NTNU [20955]
Original version
Wireless Communications & Mobile Computing. 2013, 13 (8), 745-759.   10.1002/wcm.1138
Abstract
Relay selection schemes for cooperative communications to achieve full cooperative diversity gains while maintaining spectral and energy efficiency have been extensively studied in a recent research. These schemes select only the best relay from multiple relaying candidates to cooperate with a communication link. In the present paper, we reviewed recently proposed cooperative communication protocols that integrate with relay selection mechanisms. The key design issues for relay selection mechanisms, for example, relaying candidate selection, optimal relay assignment, and cooperative transmission, were identified. We further discussed the challenges of optimal relay assignment in multi‐hop wireless sensor networks and presented the potential applications of cooperative communications with a relay selection in such networks. Future research directions were outlined, for example, the issues of service differentiation and system fairness in cooperative communication systems and the joint use of game theory and adaptive learning techniques in relaying candidate selection and optimal‐relay assignment mechanisms for efficient allocation of network resources. Copyright © 2011 John Wiley & Sons, Ltd.
Publisher
John Wiley & Sons
Journal
Wireless Communications & Mobile Computing

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