Results 51 to 60 of about 122 (104)
IEEE AccessWe consider a wireless powered communication network (WPCN) where several unmanned aerial vehicles (UAVs) serve as energy transmitters and data collectors for low-powered ground devices (GDs). During the downlink phase, UAVs wirelessly transfer energy to
Tabassum Alam Meem +2 more
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User Cooperation in Wireless Powered Communication Networks With a Pricing Mechanism
IEEE Access, 2017 This paper considers user cooperation and a pricing mechanism in a wireless-powered communication network (WPCN) in which two users harvest energy from a dedicated hybrid access point (H-AP), which has a constant power supply and acts as a power station ...
Haole Chen +4 more
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Weighted Harvest-Then-Transmit: UAV-Enabled Wireless Powered Communication Networks
IEEE Access, 2018 This paper proposes an unmanned aerial vehicle (UAV)-enabled wireless-powered communication network (WPCN), which consists of a hybrid access point (H-AP), a UAV, and nodes.
Sungryung Cho +4 more
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Sum-Throughput Maximization in Dual-Hop Wireless Powered DF-Based Relay Networks
IEEE Access, 2019 In this paper, we consider a dual-hop wireless powered communication network (WPCN) consisting of a hybrid access point (H-AP), multiple users, and multiple energy-constrained relays.
Hyemin Yu, Minchul Ju, Cheol Jeong
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IEEE Access, 2019 This paper investigates wireless powered communication network (WPCN) systems aided by unmanned aerial vehicle (UAV) where a UAV-mounted access point (AP) serves multiple energy-constrained ground terminals (GTs).
Junhee Park +3 more
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Scheduling of energy harvesting for multi-antenna wireless powered communication networks (WPCNs)
, 2020 Hybrid beamforming has been introduced as a low-cost alternative to digital beamforming with its capability to operate with fewer RF chains than the number of antennas. However, the diminishing degree of freedom from utilizing fewer RF chains results in considerable performance degradation.
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Access Mechanism in Wireless Powered Communication Networks With Harvesting Access Point
IEEE Access, 2018 In this paper, we consider a relay-enabled wireless-powered communication network (WPCN), consisting of a relay-hybrid access point (RHAP), harvesting and transmitting nodes, and a base station (BS).
Arshad Iqbal, Yunmin Kim, Tae-Jin Lee
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Max-Min Throughput Optimization in WPCNs: A Hybrid Active/Passive IRS-Assisted Scheme
IEEE Open Journal of the Communications SocietyThe integration of wireless powered communication network (WPCNs) with intelligent reflecting surface (IRS) technology has emerged as a promising solution for enhancing the energy and spectral efficiency of the network.
Iqra Hameed, Insoo Koo
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IEEE Access, 2018 The interdisciplinary research of the radio-frequency (RF) signal-based wireless power and information transfer is expected to address the energy shortage issue in the massively deployed low-power Internet of Things devices.
Jianjun Yang +4 more
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Throughput Maximization in Full-Duplex Dual-Hop Wireless Powered Communication Networks
IEEE Access, 2019 In this paper, we consider a dual-hop wireless powered communication network (DH-WPCN) with a full duplex (FD) hybrid access point (HAP), which can transmit energy to the energy-constrained relays and receive information from the users assisted by the ...
Bin Lyu, Ting Qi, Haiyan Guo, Zhen Yang
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