LIU Dandan, HUANG Cong, WANG Wenbo, GUO Wenbin. Resource Allocation in High Energy-Efficient Cooperative Spectrum Sharing Communication Networks[J]. Chinese Journal of Electronics, 2016, 25(4): 768-773. doi: 10.1049/cje.2016.07.013
Citation: LIU Dandan, HUANG Cong, WANG Wenbo, GUO Wenbin. Resource Allocation in High Energy-Efficient Cooperative Spectrum Sharing Communication Networks[J]. Chinese Journal of Electronics, 2016, 25(4): 768-773. doi: 10.1049/cje.2016.07.013

Resource Allocation in High Energy-Efficient Cooperative Spectrum Sharing Communication Networks

doi: 10.1049/cje.2016.07.013
Funds:  This work is supported by the National Basic Research Program of China (973 Program) (No.2012CB957801, No.2012CB316005), and the National Natural Science Foundation of China (No.61271181, No.U1035001, No.61372114).
  • Received Date: 2014-05-26
  • Rev Recd Date: 2014-09-27
  • Publish Date: 2016-07-10
  • High energy-efficient wireless communication has become hot due to global low-carbon economy. The system's total transmitting power can be saved by resource allocation in cooperative spectrum sharing networks. In cooperative spectrum sharing, the secondary user relays the primary user's traffic, as a return, the secondary user is admitted to access the licensed spectrum for its own data transmission. An optimal power and time allocation are presented to minimize the overall energy consumption with the users' service quality guaranteed in cooperative spectrum sharing. We formulated it as a convex problem and achieve its optimal power and time allocation in closed form. We analyze the performance of two different transmission protocols for the single relay channel.
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