Throughput Maximization for Cognitive Radio With Wirelessly Powered Primary Users
Throughput Maximization for Cognitive Radio With Wirelessly Powered Primary Users
复制标题
无线供电主要用户的认知无线电吞吐量最大化
DOI:
10.1109/jsyst.2019.2935263
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发表时间:
2020-06
影响因子:
4.4
通讯作者:
Li Youming
中科院分区:
文献类型:
--
作者:
Sun Mingyang;Jin Ming;Guo Qinghua;Li Youming
This article deals with resource allocation to maximize the secondary user (SU) throughput in cognitive radio where primary users (PUs) are wirelessly powered by SU signals during the first part of a time-slot, and PUs and SUs share the spectrum during the second part of the time-slot. An optimization problem is formulated to maximize SU throughput under a constraint of minimum PU throughput (due to quality-of-service). As the optimization problem is NP-hard, we decompose the problem into two subproblems by introducing an auxiliary variable, i.e., the consumed energy at PU, and the subproblems are decoupled by minimizing the PU consumed energy. A three-step resource allocation scheme is then proposed to solve the optimization problem with low complexity. Numerical simulations are provided to demonstrate the superiority of the proposed scheme in terms of both performance and computational complexity.
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影响因子:
8.3
作者:
Chao Zhai;He Chen;Xinhua Wang;Ju Liu
通讯作者:
Ju Liu
DOI:
10.14445/23488387/ijcse-v3i2p102
发表时间:
2016-02
期刊:
International Journal on Computer Science and Engineering
影响因子:
--
作者:
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DOI:
10.1109/tccn.2017.2779478
发表时间:
2017-12
影响因子:
8.6
作者:
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通讯作者:
Fatma Benkhelifa;Mohamed-Slim Alouini
影响因子:
10.4
作者:
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通讯作者:
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影响因子:
6.3
作者:
Kun-Yueh Hsieh;F. Tseng;Meng-Lin Ku
通讯作者:
Kun-Yueh Hsieh;F. Tseng;Meng-Lin Ku