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Joint multiple relay selection and power optimization in cooperative networks

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3 Author(s)
Kartlak, H. ; Elektrik-Elektron. Muhendisligi Bolumu, Istanbul Univ., İstanbul, Turkey ; Odabasioglu, N. ; Akan, A.

In this paper, we propose a joint multiple relay selection and power optimization technique with low computational complexity to improve the error performance of the cooperative communication networks. Proposed method has a reduced computational load for the multiple relay selection problem compared to the optimum solution which is based on selecting the “best” relays. Moreover, since the relay selection is performed iteratively until a threshold SNR is reached, power optimization is also achieved at every iteration. Hence, we attain an improved error performance using the least possible number of relays, and as such low power consumption.

Published in:

Signal Processing and Communications Applications (SIU), 2011 IEEE 19th Conference on

Date of Conference:

20-22 April 2011