Energy Efficient Resource Allocation in Cooperative Cognitive Radio Networks

QU Hua; ZHAO Yongqiang; ZHAO Jihong; YAN Feiyu; XU Xiguang

doi:10.11999/JEIT170671

Volume 40 Issue 5

May 2018

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QU Hua, ZHAO Yongqiang, ZHAO Jihong, YAN Feiyu, XU Xiguang. Energy Efficient Resource Allocation in Cooperative Cognitive Radio Networks[J]. Journal of Electronics & Information Technology, 2018, 40(5): 1024-1030. doi: 10.11999/JEIT170671

Citation:

QU Hua, ZHAO Yongqiang, ZHAO Jihong, YAN Feiyu, XU Xiguang. Energy Efficient Resource Allocation in Cooperative Cognitive Radio Networks[J]. Journal of Electronics & Information Technology, 2018, 40(5): 1024-1030. doi: 10.11999/JEIT170671

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Energy Efficient Resource Allocation in Cooperative Cognitive Radio Networks

doi: 10.11999/JEIT170671

1.
(School of Electronics and Information Engineering, Xi&rsquo
2.

Funds:

The National Natural Science Foundation of China (61372092, 61531013)

Received Date: 2017-07-07
Rev Recd Date: 2018-01-29
Publish Date: 2018-05-19

Abstract

Abstract

Considering the energy-constrained cooperative cognitive radio networks, the maximization problem of Energy Efficiency (EE) with Quality of Service (QoS) constraint of primary user is investigated. Secondary user receives the signals of primary user using Simultaneous Wireless Information and Power Transfer (SWIPT) and serves as a relay with decode-and-forward protocol. Based on fractional programming and introducing auxiliary variables, the original optimization issue is converted to a convex issue and solved, and an iterative algorithm for resource allocation is proposed. Simulation results demonstrate that the proposed algorithm converges to the optimal solution quickly. Compared with the energy-cooperation strategy, the proposed strategy achieves a higher EE and protects the QoS of primary user better.

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References(18)

References

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