Results 11 to 20 of about 89 (83)
Time Allocation and Optimization in Time-Reversal Wireless Powered Communication Networks
International Journal of Antennas and Propagation, 2020 This paper studies optimal resource allocation in the wireless powered communication networks (WPCN) combined with time reversal (TR) in which one hybrid access point (H-AP) broadcasts constant wireless energy to a set of distributed users in the ...
Fangwei Li, Yue Wu, Yifang Nie, Ce Shi
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UAV Hovering Strategy Based on a Wirelessly Powered Communication Network
IEEE Access, 2019 With the development of wireless power transfer technology, wirelessly powered communication networks (WPCNs), which can provide a sustainable energy supply for the user equipment, have received extensive attention from researchers.
Haole Chen +3 more
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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
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Performance Analysis and Resource Allocations for a WPCN With a New Nonlinear Energy Harvester Model
IEEE Open Journal of the Communications Society, 2020 Wireless powered communication networks (WPCNs) are commonly analyzed by using the linear energy harvesting (EH) model. However, since practical EH circuits are non-linear, the use of the linear EH model gives rise to distortions and mismatches.
Danyang Wang +2 more
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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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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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Uplink Time Scheduling With Power Level Modulation Scheme in Wireless Powered Communication Networks
IEEE Access, 2019 In this paper, we propose an uplink scheduling scheme via downlink signal design for wireless powered communication networks (WPCNs). Although harvest-then-transmit protocols and related optimal resource allocation problems were studied, explicit methods
Yeongwoo Ko, Sang-Hyo Kim, Jong-Seon No
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IET Wireless Sensor SystemsEmerging wireless communication networks, exemplified by the evolution from 5G to subsequent technologies, necessitate extensive connectivity among myriad devices to fuel the ongoing technological progress.
Shweta Singh, Manish Kumar, Rahul Kumar
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Slotted ALOHA for Wireless Powered Communication Networks
IEEE Access, 2018 Centralized controls in wireless-powered communication networks (WPCNs) induce considerable overhead for channel estimation and high complexity for optimization, as the number of wireless devices (WDs) increases.
Hyun-Ho Choi, Wonjae Shin
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MathematicsWireless powered communication networks (WPCNs) provide a sustainable solution for energy-constrained IoT devices by enabling wireless energy transfer (WET) in the downlink and wireless information transmission (WIT) in the uplink.
Iqra Hameed +3 more
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