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Recently, there has been a great interest in cognitive radio networks. In addition, the use of subchannel allocation and power distribution in OFDM systems have been discussed in the literature and proven to help improve the capacity performance in cooperative networks. Therefore, in this paper we propose to add a primary source-destination pair to the secondary system in a cognitive radio network. We also provide the analysis of a subchannel and power allocation in cognitive networks. Thedoi:10.1109/icc.2010.5502111 dblp:conf/icc/GuoGWYG10 fatcat:3zeioinaenbzxfrwjogzmdgiza