Results 31 to 40 of about 122 (104)
IET Communications, Volume 15, Issue 12, Page 1620-1631, July 2021., 2021 Abstract Integrating backscatter communication (BackCom) into wireless powered communication networks (WPCNs) makes it possible to transmit information and harvest energy simultaneously, which is regarded as a promising method to enhance the throughput.
Juan Sun, Shubin Zhang, Kaikai Chi
wiley +1 more source
Wireless Communications and Mobile Computing, Volume 2021, Issue 1, 2021., 2021 The Internet of things (IoT) has emerged as a platform for connecting massive physical devices to collect and analyze data for decision‐making. Wireless devices in IoT are usually energy‐constrained and thus need to be powered by a stable and reliable energy source in order to maintain a long network lifetime.
Xiaofei Di, Yang Chen, Dung Le
wiley +1 more source
Optimal Time Allocation in Multi-Cell Wireless Powered Communication Networks
IEEE Access, 2019 This paper focuses on time allocation to maximize the minimum throughput and sum-throughput of all users in a multi-cell wireless powered communication network (WPCN).
Chunlong He +4 more
doaj +1 more source
EURASIP Journal on Wireless Communications and Networking, 2018 This paper proposes a large-scale wireless powered communication network (WPCN), which consists of a hybrid access point (H-AP) and numerous nodes. The H-AP broadcasts energy to all nodes, and the nodes harvest the energy and then use the harvested ...
Sungryung Cho +3 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
Energy Efficiency Maximization for Relay-Assisted WPCN: Joint Time Duration and Power Allocation
IEEE Access, 2018 This paper studies a relay-assisted wireless-powered communication network (WPCN), where a hybrid relay node (HRN) broadcasts radio-frequency energy to energy-harvesting users and forwards these users' data to a base station in amplify-and-forward (AF ...
Fan Yang +4 more
doaj +1 more source
Minimum Throughput Maximization for Multi-UAV Enabled WPCN: A Deep Reinforcement Learning Method
IEEE Access, 2020 This paper investigates joint unmanned aerial vehicle (UAV) trajectory planning and time resource allocation for minimum throughput maximization in a multiple UAV-enabled wireless powered communication network (WPCN).
Jie Tang +5 more
doaj +1 more source
Full‐Duplex Operations in Wireless Powered Communication Networks
ETRI Journal, 2017 In this paper, a wireless powered communication network (WPCN) consisting of a hybrid access point (H‐AP) and multiple user equipment (UE), all of which operate in full‐duplex (FD), is described.
Hyungsik Ju, Yuro Lee, Tae‐Joong Kim
doaj +1 more source
Multi-Antenna Enabled Cluster-Based Cooperation in Wireless Powered Communication Networks
IEEE Access, 2017 In this paper, we consider a wireless powered communication network (WPCN) consisting of a multi-antenna hybrid access point (HAP) that transfers wireless energy to and receives sensing data from a cluster of low-power wireless devices (WDs).
Lina Yuan +4 more
doaj +1 more source
IEEE Access, 2019 We consider the “harvest-then-transmit” protocol in a wireless powered communication network (WPCN), where an energy-constrained access point (AP) harvests energy from the radio-frequency signals transmitted by a power beacon (PB) for ...
Tien-Tung Nguyen +3 more
doaj +1 more source