Results 41 to 50 of about 75,084 (278)

Wireless Powered Communication: Opportunities and Challenges

open access: yes, 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

open access: yesSensors, 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

Resource Allocation in Wireless Networks with RF Energy Harvesting and Transfer [PDF]

open access: yes, 2014
Radio frequency (RF) energy harvesting and transfer techniques have recently become alternative methods to power the next generation of wireless networks. As this emerging technology enables proactive replenishment of wireless devices, it is advantageous
Han, Zhu   +3 more
core   +1 more source

Energy-efficient off-body communication nodes with receive diversity [PDF]

open access: yes, 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

Robustness‐Based Transmission Strategy for Wireless‐Powered Communication Networks

open access: yesWireless Communications and Mobile Computing, 2022
In the wireless powered communication network (WPCN), the deployed nodes that harvest energy from the power station (PS) and then transmit data to the access point (AP) may waste wireless information transmission (WIT) opportunities due to the suffered faults.
Xiaoying Liu   +4 more
openaire   +1 more source

Large-Scale Wireless-Powered Networks With Backscatter Communications—A Comprehensive Survey

open access: yesIEEE Open Journal of the Communications Society, 2020
Massive and ubiquitous deployment of devices in networks of fifth generation (5G) and beyond wireless has necessitated the development of ultra-low-power wireless communication paradigms.
Fatemeh Rezaei   +2 more
doaj   +1 more source

PluralisMAC: a generic multi-MAC framework for heterogeneous, multiservice wireless networks, applied to smart containers [PDF]

open access: yes, 2012
Developing energy-efficient MAC protocols for lightweight wireless systems has been a challenging task for decades because of the specific requirements of various applications and the varying environments in which wireless systems are deployed.
De Mil, Pieter   +4 more
core   +2 more sources

Wirelessly Powered Backscatter Communication Networks: Modeling, Coverage and Capacity [PDF]

open access: yes, 2016
Future Internet-of-Things (IoT) will connect billions of small computing devices embedded in the environment and support their device-to-device (D2D) communication.
Han, Kaifeng, Huang, Kaibin
core   +3 more sources

Spatial Throughput Maximization of Wireless Powered Communication Networks

open access: yes, 2015
Wireless charging is a promising way to power wireless nodes' transmissions. This paper considers new dual-function access points (APs) which are able to support the energy/information transmission to/from wireless nodes.
Che, Yue Ling, Duan, Lingjie, Zhang, Rui
core   +1 more source

Relay Selection, Scheduling, and Power Control in Wireless-Powered Cooperative Communication Networks [PDF]

open access: yesIEEE Transactions on Wireless Communications, 2020
Relay nodes are used to improve the throughput, delay and reliability performance of energy harvesting networks by assisting both energy and information transfer between information nodes and access point. Previous studies on radio frequency energy harvesting networks are limited to single source single/multiple relay networks.
Aysun Gurur Onalan   +2 more
openaire   +5 more sources

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