Results 61 to 70 of about 5,704 (194)
Max-min Fair Wireless Energy Transfer for Secure Multiuser Communication Systems
, 2014 This paper considers max-min fairness for wireless energy transfer in a downlink multiuser communication system. Our resource allocation design maximizes the minimum harvested energy among multiple multiple-antenna energy harvesting receivers (potential ...
Ng, Derrick Wing Kwan, Schober, Robert
core +1 more source
FlexMat, Volume 2, Issue 4, Page 493-509, December 2025.This paper presents a comprehensive review of radio frequency (RF)‐based wireless charging technologies for flexible electronics. In particular, we (i) provide an overview of wireless charging approaches, (ii) investigate the fundamental RF charging principles, covering rectenna design, impedance matching, RF‐to‐DC conversion, and power management, and
Qu Luo +6 more
wiley +1 more source
Energy-efficiency based buffer-aided relay selection scheme in SWIPT
Dianxin kexue, 2018 Aiming at the problem of buffer-aided half-duplex (HD) relay selection in simultaneous wireless information and power transfer(SWIPT) with energy constraint,energy-efficiency priority based buffer-aided relay selection scheme in SWIPT was investigated ...
Xinlong HONG, Xiaorong XU, Yingbiao YAO
doaj +2 more sources
Joint Beamforming and Power Allocation for Multiuser MISO Broadcast Channel SWIPT Employing OFDM
IEEE Access, 2021 Resource allocation strategies for simultaneous wireless information and power transfer (SWIPT) employing orthogonal frequency division multiplexing (OFDM) typically rely on subcarrier assignment for multiple access.
Richard P. Ketcham +2 more
doaj +1 more source
Towards Optimal Energy Harvesting Receiver Design in MIMO Systems
, 2019 In this paper, we investigate a multiple-input multiple-output (MIMO) system with simultaneous information detection (ID) and energy harvesting (EH) receiver. This point-to-point system operates in the vicinity of active interfering nodes.
Kariminezhad, Ali, Sezgin, Aydin
core +1 more source
Linear and Nonlinear Energy Harvesting in Concurrent Cellular and D2D Communication
Engineering Reports, Volume 7, Issue 9, September 2025.In this study, an interference‐aided dual‐hop cooperative communication scenario is considered, where both cellular and energy‐constrained device‐to‐device (D2D) users coexist and share the same radio resources. The performance of the proposed model is studied considering both linear and nonlinear EH models employing time‐switching and power‐splitting ...
Md. Fazlul Kader +1 more
wiley +1 more source
Physical layer security for SWIPT-NOMA system in presence of randomly located eavesdroppers
Dianxin kexue, 2022 The combination of non-orthogonal multiple access (NOMA) and simultaneous wireless information and power transfer (SWIPT) technologies can improve spectrum efficiency of wireless system and solve the power supply problem of user nodes.However, when ...
Yifan DING, Guangqiu LI, Hui LI
doaj +2 more sources
Learn From Optimal Energy-Efficiency Beamforming for SWIPT-Enabled Sensor Cloud System Based on DNN
IEEE Access, 2021 With the explosive increase of the types and quantity of devices in wireless networks, it is necessary to design a fast and energy-efficient decision-making strategy for the resource allocation to maintain the efficient operation of the wireless system ...
Zhe Wang +5 more
doaj +1 more source
, 2015 The physical-layer security issue in the multiple non-regenerative wireless-powered relay (WPR) networks is investigated in this letter, where the idle relay is treated as a potential eavesdropper. To guarantee secure communication, the destination-based
Feng, Suili +2 more
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Transactions on Emerging Telecommunications Technologies, Volume 36, Issue 6, June 2025.This paper explicitly reviews the state‐of‐the‐art RIS‐assisted wireless networks, especially open challenges relating to the B5G and 6G networks. This work presents an intensive study of recent research on RIS to provide an in‐depth understanding of the underlying principles surrounding RIS operations, composition, and effect on EM waves.
Chukwuemeka Nwufo +2 more
wiley +1 more source