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Throughput maximization for cognitive radio networks using active cooperation and superposition coding
2014 IEEE Wireless Communications and Networking Conference (WCNC)
We propose a three-message superposition coding scheme in a cognitive radio relay network exploiting active cooperation between primary and secondary users. The primary user is motivated to cooperate by substantial benefits it can reap from this access scenario. Specifically, the time resource is split into three transmission phases: The first two phases are dedicated to primary communication, while the third phase is for the secondary's transmission. We formulate two throughput maximizationdoi:10.1109/wcnc.2014.6952248 dblp:conf/wcnc/HamzaPAA14 fatcat:c4rdipzcgbctxdiqh2dba4azgm