Energy Efficiency Analysis of Bidirectional Wireless Information and Power Transfer for Cooperative Sensor Networks

In this paper, we study the energy efficiency of bidirectional wireless information and power transfer in cooperative sensor networks, where the relay node can decode and forward information from the sensor node (SN) to base station (BS), and assist the wireless power transfer from the BS to SN. For...

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Main Authors:	Ruirui Chen, Yanjing Sun, Yan Chen, Xiaoguang Zhang, Song Li, Zhi Sun
Format:	Article
Language:	English
Published:	IEEE 2019-01-01
Series:	IEEE Access
Subjects:	Energy efficiency wireless power transfer decode-and-forward power splitting time switching
Online Access:	https://ieeexplore.ieee.org/document/8587243/

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spelling	doaj-878cca8e03ff414aadd2b3ef7a7093b72021-03-29T22:10:28ZengIEEEIEEE Access2169-35362019-01-0174905491210.1109/ACCESS.2018.28886948587243Energy Efficiency Analysis of Bidirectional Wireless Information and Power Transfer for Cooperative Sensor NetworksRuirui Chen0https://orcid.org/0000-0003-0396-9725Yanjing Sun1https://orcid.org/0000-0002-1389-3958Yan Chen2Xiaoguang Zhang3Song Li4https://orcid.org/0000-0002-3018-3958Zhi Sun5https://orcid.org/0000-0001-7270-4240School of Information and Control Engineering, China University of Mining and Technology, Xuzhou, ChinaSchool of Information and Control Engineering, China University of Mining and Technology, Xuzhou, ChinaSchool of Information and Control Engineering, China University of Mining and Technology, Xuzhou, ChinaSchool of Information and Control Engineering, China University of Mining and Technology, Xuzhou, ChinaSchool of Information and Control Engineering, China University of Mining and Technology, Xuzhou, ChinaSchool of Information and Control Engineering, China University of Mining and Technology, Xuzhou, ChinaIn this paper, we study the energy efficiency of bidirectional wireless information and power transfer in cooperative sensor networks, where the relay node can decode and forward information from the sensor node (SN) to base station (BS), and assist the wireless power transfer from the BS to SN. For the power splitting protocol, we propose the joint power allocation scheme to maximize the energy efficiency. For the time switching protocol, the optimal power allocation strategy and the optimal time allocation scheme are derived by studying the derivative of the energy efficiency. Simulation results are provided to verify the performance of our proposed schemes for the cooperative sensor networks.https://ieeexplore.ieee.org/document/8587243/Energy efficiencywireless power transferdecode-and-forwardpower splittingtime switching
collection	DOAJ
language	English
format	Article
sources	DOAJ
author	Ruirui Chen Yanjing Sun Yan Chen Xiaoguang Zhang Song Li Zhi Sun
spellingShingle	Ruirui Chen Yanjing Sun Yan Chen Xiaoguang Zhang Song Li Zhi Sun Energy Efficiency Analysis of Bidirectional Wireless Information and Power Transfer for Cooperative Sensor Networks IEEE Access Energy efficiency wireless power transfer decode-and-forward power splitting time switching
author_facet	Ruirui Chen Yanjing Sun Yan Chen Xiaoguang Zhang Song Li Zhi Sun
author_sort	Ruirui Chen
title	Energy Efficiency Analysis of Bidirectional Wireless Information and Power Transfer for Cooperative Sensor Networks
title_short	Energy Efficiency Analysis of Bidirectional Wireless Information and Power Transfer for Cooperative Sensor Networks
title_full	Energy Efficiency Analysis of Bidirectional Wireless Information and Power Transfer for Cooperative Sensor Networks
title_fullStr	Energy Efficiency Analysis of Bidirectional Wireless Information and Power Transfer for Cooperative Sensor Networks
title_full_unstemmed	Energy Efficiency Analysis of Bidirectional Wireless Information and Power Transfer for Cooperative Sensor Networks
title_sort	energy efficiency analysis of bidirectional wireless information and power transfer for cooperative sensor networks
publisher	IEEE
series	IEEE Access
issn	2169-3536
publishDate	2019-01-01
description	In this paper, we study the energy efficiency of bidirectional wireless information and power transfer in cooperative sensor networks, where the relay node can decode and forward information from the sensor node (SN) to base station (BS), and assist the wireless power transfer from the BS to SN. For the power splitting protocol, we propose the joint power allocation scheme to maximize the energy efficiency. For the time switching protocol, the optimal power allocation strategy and the optimal time allocation scheme are derived by studying the derivative of the energy efficiency. Simulation results are provided to verify the performance of our proposed schemes for the cooperative sensor networks.
topic	Energy efficiency wireless power transfer decode-and-forward power splitting time switching
url	https://ieeexplore.ieee.org/document/8587243/
work_keys_str_mv	AT ruiruichen energyefficiencyanalysisofbidirectionalwirelessinformationandpowertransferforcooperativesensornetworks AT yanjingsun energyefficiencyanalysisofbidirectionalwirelessinformationandpowertransferforcooperativesensornetworks AT yanchen energyefficiencyanalysisofbidirectionalwirelessinformationandpowertransferforcooperativesensornetworks AT xiaoguangzhang energyefficiencyanalysisofbidirectionalwirelessinformationandpowertransferforcooperativesensornetworks AT songli energyefficiencyanalysisofbidirectionalwirelessinformationandpowertransferforcooperativesensornetworks AT zhisun energyefficiencyanalysisofbidirectionalwirelessinformationandpowertransferforcooperativesensornetworks
_version_	1724192075526701056

Energy Efficiency Analysis of Bidirectional Wireless Information and Power Transfer for Cooperative Sensor Networks

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