Results 21 to 30 of about 74,412 (117)
Metasurface-Aided Wireless Power Transfer and Energy Harvesting for Future Wireless Networks
IEEE Access, 2022 The desire for battery longevity and ubiquitous wireless charging of mobile devices is driving researchers to explore divergent strategies to extract and harness energy from ambient radio frequency (RF) signals.
Henry Ojukwu +2 more
doaj +1 more source
Energies, 2019 For energy-neutral operation (ENO) of wireless sensor networks (WSNs), we apply a wireless powered communication network (WPCN) to a WSN with a hierarchical structure.
Hyun-Ho Choi, Jung-Ryun Lee
doaj +1 more source
An eco-friendly hybrid urban computing network combining community-based wireless LAN access and wireless sensor networking [PDF]
, 2012 Computer-enhanced smart environments, distributed environmental monitoring, wireless communication, energy conservation and sustainable technologies, ubiquitous access to Internet-located data and services, user mobility and innovation as a tool for ...
Blondia, Chris +10 more
core +2 more sources
Tongxin xuebao, 2020 In order to address the unfair user-centric energy efficiency (EE) problem caused by channel difference in the backscatter-assisted wireless powered communication network,a resource allocation scheme was proposed.Firstly,a mixed integer nonconvex ...
Yinghui YE, Liqin SHI, Guangyue LU
doaj +2 more sources
Jammer-Assisted Legitimate Eavesdropping in Wireless Powered Suspicious Communication Networks
IEEE Access, 2019 To enhance public safety, it is necessary to legitimately eavesdrop communication between suspicious users, such as terrorists and criminals. In this paper, we investigate legitimate eavesdropping in a wireless-powered suspicious communication network ...
Ding Xu, Hongbo Zhu, Qun Li
doaj +1 more source
Energy-efficient off-body communication nodes with receive diversity [PDF]
, 2013 Off-body wireless communication applications range from fall-detection systems for the elderly to monitoring networks for rescue workers. Further development of practical body-worn systems requires compact, low-cost and low-power battery-powered ...
Moerman, Ingrid +3 more
core +1 more source
Mine emergency communication system
Gong-kuang zidonghua, 2019 Feasibility of using existing mine communication system as emergency communication system was analyzed. Leakage communication system, inductive communication system, multi-base station mobile communication system, broadcast communication system and ...
Mine emergency communication system
doaj +1 more source
Sensors, 2023 With the increase in low-power wireless communication solutions, the deployment of Wireless Sensor Networks is becoming usual, especially to implement Cyber-Physical Systems.
Gaël Loubet +3 more
doaj +1 more source
Wireless Powered Communication: Opportunities and Challenges
, 2014 The performance of wireless communication is fundamentally constrained by the limited battery life of wireless devices, whose operations are frequently disrupted due to the need of manual battery replacement/recharging.
Bi, Suzhi, Ho, Chin Keong, Zhang, Rui
core +1 more source
Monitoring for Rare Events in a Wireless Powered Communication mmWave Sensor Network
Sensors, 2020 The use of a wireless sensor network to monitor an area of interest for possible hazardous events has become a common practice. The difficulty of replacing or recharging sensor batteries dictates the use of energy harvesting as a means to extend the ...
Michael Koutsioumpos +3 more
doaj +1 more source