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Joint multiple relay selection and power optimization in cooperative networks

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3 Author(s)
Hasan Kartlak ; Elektrik-Elektronik Mühendisliği Bölümü, İstanbul Üniversitesi, 34320, Avcılar, İstanbul, Turkey ; Niyazi Odabaşioğlu ; Aydın Akan

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:

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

Date of Conference:

20-22 April 2011