Performance analysis of two-way relay cooperation underlay cognitive radio networks based on WIPT
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Performance analysis of two-way relay cooperation underlay cognitive radio networks based on WIPT
Journal on CommunicationsVol. 40, Issue 2, Pages: 129-136(2019)
作者机构:
1. 湖南大学信息科学与工程学院,湖南 长沙 810012
2. 西藏大学工学院,西藏 拉萨 850000
作者简介:
基金信息:
The National Natural Science Foundation of China(61370096);The National Natural Science Foundation of China(61772184);The Natural Science Foundation of Tibet Autonomous Region(2016ZR-TU-02);The Youth Research cultivation Foundation of Tibet University(ZDPJZK1606);The Program for Everest Scholar Talents Development of Tibet University([2016]141)
Jisheng XU, Fanzi ZENG, Kang LI, et al. Performance analysis of two-way relay cooperation underlay cognitive radio networks based on WIPT[J]. Journal on Communications, 2019, 40(2): 129-136.
DOI:
Jisheng XU, Fanzi ZENG, Kang LI, et al. Performance analysis of two-way relay cooperation underlay cognitive radio networks based on WIPT[J]. Journal on Communications, 2019, 40(2): 129-136. DOI: 10.11959/j.issn.1000-436x.2019041.
Performance analysis of two-way relay cooperation underlay cognitive radio networks based on WIPT
The two-way relay cooperation for underlay cognitive radio networks based on WIPT was presented
where secondary system adopted the two-way relay cooperative transmission.First
the relay adopted a power splitting protocol to harvest energy and to decode information transmitted by secondary users
then the relay forwarded information to two secondary users by using the harvested energy.Subsequently the exact expression of the outage probability
the ergodic capacity and energy efficiency of the secondary user system were derived.Finally
numerical simulation discusses the impact on the system performance with regard to secondary transmission power.The results reveal that the two-way relay cooperation effectively reduces the outage probability of data transmission.The capacity and energy efficiency of the system reaches optimal level when the power allocation coefficient is 0.5.
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references
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