Results 71 to 80 of about 5,325 (221)
Green IoT: Energy Efficiency, Renewable Integration, and Security Implications
IET Networks, Volume 14, Issue 1, January/December 2025.This paper surveys energy management strategies in IoT, emphasising energy harvesting and saving techniques to reduce energy consumption and extend network lifespan. It explores renewable energy integration to lower carbon footprints and improve device efficiency, while addressing security vulnerabilities in energy management practices.
Mohammed Qasim Alazzawi +3 more
wiley +1 more source
Novel Design of 2.45-GHz Rectenna Element and Array for Wireless Power Transmission
IEEE Access, 2019 A novel design of 2.45-GHz rectifying antenna (rectenna), which is composed of antenna element, two-element series-fed array, and four-element cascaded array, has been proposed in this paper.
Xi Li, Lin Yang, Li Huang
doaj +1 more source
Efficient modeling of the wireless power transfer efficiency for varying positions and orientations between transmitter and receiver [PDF]
, 2015 A method that efficiently calculates the Power Transfer Efficiency (PTE) of a Wireless Power Transfer (WPT) system is described in this paper. It allows for arbitrary relative positions and orientations between devices in the system, both in far-field ...
Rogier, Hendrik +2 more
core +1 more source
International Transactions on Electrical Energy Systems, Volume 2025, Issue 1, 2025.The integration of wireless power transfer (WPT) and vehicle‐to‐grid (V2G) technologies is essential for the sustainable operation of lunar multienergy virtual power plants (MEVPPs), where rovers, habitats, and in situ resource utilization (ISRU) facilities rely on adaptive energy management.
Thomas Tongxin Li +5 more
wiley +1 more source
, 2017 A systematic design of adaptive waveform for Wireless Power Transfer (WPT) has recently been proposed and shown through simulations to lead to significant performance benefits compared to traditional non-adaptive and heuristic waveforms.
Clerckx, Bruno +2 more
core +1 more source
Conceptualization of a Small, Uncrewed, Microwave‐Powered Aircraft
International Journal of Aerospace Engineering, Volume 2025, Issue 1, 2025.This work conceptualizes wireless power transfer (WPT) between a tracking stationary ground transmitter and a mobile aircraft. Initial ground tests are performed to determine the viability of the Friis equation, using rectennas developed for operation at 2.45 GHz at 4 dBm of optimal input power.
Sameep Jagtap +5 more
wiley +1 more source
Integration of SPS with utility system networks [PDF]
, 1980 The integration of Satellite Power System (SPS) power in electric utility power systems is discussed. Specifically, the nature of the power output variations from the spacecraft to the rectenna, the operational characteristics of the rectenna power, and ...
Kaupang, B. M.
core +1 more source
International Journal of Antennas and Propagation, Volume 2025, Issue 1, 2025.This study investigates four rectenna system configurations using microstrip patch antennas with different geometries fabricated on various substrates, including glass, paper, fiberglass (FR4), and polyester fabric. A voltage doubler rectifier circuit was designed for each antenna type to enhance performance.
Ursula do C. Resende +3 more
wiley +1 more source
The applicability of MFD thrusters to satellite power systems [PDF]
, 1980 The high power self field MPD thruster uses electromagnetic forces rather than electrostatic to accelerate a neutral plasma. The most attractive application of MPD thrusters to satellite power systems is in the area of electric propulsion for a cargo ...
Jones, R. M., Rudolph, L. K.
core +1 more source
Multiband Rectenna for Microwave Applications Rectenna
, 2016 This paper reports a multiband rectenna (rectifier + antenna) suitable for the electromagnetic energy harvesting of the spill-over loss of microwave antennas placed on board of geostationary satellites. Such rectenna is used for powering autonomous wireless sensors for satellite health monitoring. The topology of the rectenna is presented.
Okba, Abderrahim +4 more
openaire +1 more source