Energy-efficiency maximization scheme for data collection in wireless power communication networks
WPCN composed of multiple RF energy sources and sinks was studied.The energy efficiency of data collection were maximized by jointly optimizing the transmission power of energy sources,the time allocation of wireless energy transfer and the time allocation of nodes’ data transmission.Specifically,th...
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| Format: | Article |
| Language: | zho |
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Beijing Xintong Media Co., Ltd
2019-12-01
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| Series: | Dianxin kexue |
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| Online Access: | http://www.telecomsci.com/zh/article/doi/10.11959/j.issn.1000-0801.2019270/ |
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| author | Haijiang GE Zhanwei YU Kaikai CHI |
| author_facet | Haijiang GE Zhanwei YU Kaikai CHI |
| author_sort | Haijiang GE |
| collection | DOAJ |
| description | WPCN composed of multiple RF energy sources and sinks was studied.The energy efficiency of data collection were maximized by jointly optimizing the transmission power of energy sources,the time allocation of wireless energy transfer and the time allocation of nodes’ data transmission.Specifically,the energy efficiency maximization problem was modeled firstly.Then,the optimal value of transmitted power was obtained,and the monotonicity of energy-efficiency function and the convexity of throughput function were further deduced.Finally,based on these properties,an efficient algorithm which combines golden-section search and bisection search was designed to get the optimal solution quickly.The simulation results show that the proposed optimal algorithm can significantly improve the energy efficiency compared with the baseline scheme. |
| format | Article |
| id | doaj-art-063c5fb2b9724d9c8c018e4245bcb6d8 |
| institution | Kabale University |
| issn | 1000-0801 |
| language | zho |
| publishDate | 2019-12-01 |
| publisher | Beijing Xintong Media Co., Ltd |
| record_format | Article |
| series | Dianxin kexue |
| spelling | doaj-art-063c5fb2b9724d9c8c018e4245bcb6d82025-01-15T03:01:52ZzhoBeijing Xintong Media Co., LtdDianxin kexue1000-08012019-12-0135495659585621Energy-efficiency maximization scheme for data collection in wireless power communication networksHaijiang GEZhanwei YUKaikai CHIWPCN composed of multiple RF energy sources and sinks was studied.The energy efficiency of data collection were maximized by jointly optimizing the transmission power of energy sources,the time allocation of wireless energy transfer and the time allocation of nodes’ data transmission.Specifically,the energy efficiency maximization problem was modeled firstly.Then,the optimal value of transmitted power was obtained,and the monotonicity of energy-efficiency function and the convexity of throughput function were further deduced.Finally,based on these properties,an efficient algorithm which combines golden-section search and bisection search was designed to get the optimal solution quickly.The simulation results show that the proposed optimal algorithm can significantly improve the energy efficiency compared with the baseline scheme.http://www.telecomsci.com/zh/article/doi/10.11959/j.issn.1000-0801.2019270/wireless powered communication networkstime allocationenergy efficiencygolden section searchbisection search |
| spellingShingle | Haijiang GE Zhanwei YU Kaikai CHI Energy-efficiency maximization scheme for data collection in wireless power communication networks Dianxin kexue wireless powered communication networks time allocation energy efficiency golden section search bisection search |
| title | Energy-efficiency maximization scheme for data collection in wireless power communication networks |
| title_full | Energy-efficiency maximization scheme for data collection in wireless power communication networks |
| title_fullStr | Energy-efficiency maximization scheme for data collection in wireless power communication networks |
| title_full_unstemmed | Energy-efficiency maximization scheme for data collection in wireless power communication networks |
| title_short | Energy-efficiency maximization scheme for data collection in wireless power communication networks |
| title_sort | energy efficiency maximization scheme for data collection in wireless power communication networks |
| topic | wireless powered communication networks time allocation energy efficiency golden section search bisection search |
| url | http://www.telecomsci.com/zh/article/doi/10.11959/j.issn.1000-0801.2019270/ |
| work_keys_str_mv | AT haijiangge energyefficiencymaximizationschemefordatacollectioninwirelesspowercommunicationnetworks AT zhanweiyu energyefficiencymaximizationschemefordatacollectioninwirelesspowercommunicationnetworks AT kaikaichi energyefficiencymaximizationschemefordatacollectioninwirelesspowercommunicationnetworks |