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

LIU Dandan; HUANG Cong; WANG Wenbo; GUO Wenbin

doi:10.1049/cje.2016.07.013

Volume 25 Issue 4

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LIU Dandan, HUANG Cong, WANG Wenbo, et al., “Resource Allocation in High Energy-Efficient Cooperative Spectrum Sharing Communication Networks,” Chinese Journal of Electronics, vol. 25, no. 4, pp. 768-773, 2016, doi: 10.1049/cje.2016.07.013

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LIU Dandan, HUANG Cong, WANG Wenbo, et al., “Resource Allocation in High Energy-Efficient Cooperative Spectrum Sharing Communication Networks,” Chinese Journal of Electronics, vol. 25, no. 4, pp. 768-773, 2016, doi: 10.1049/cje.2016.07.013

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

doi: 10.1049/cje.2016.07.013

1.
National Satellite Meteorological Center, Beijing 100081, China;
2.
School of Information and Communication Engineering, Beijing University of Posts and Telecommunications, Beijing 100876, China

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

Abstract

Abstract

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.
- High energy-efficiency,
- Resource allocation,
- Cooperative spectrum sharing,
- Convex optimization

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References(17)

References

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