Results 31 to 40 of about 5,014,271 (379)
Frequency-Reconfigurable Antenna Using Metasurface
IEEE Transactions on Antennas and Propagation, 2014 A frequency-reconfigurable antenna designed using metasurface (MS) to operate at around 5 GHz is proposed and studied. The frequency-reconfigurable metasurfaced (FRMS) antenna is composed of a simple circular patch antenna and a circular MS with the same diameter of 40 mm (0.67 λ) and implemented using planar technology.
Zhu, HL, Liu, XH, Yuk, TTI, Cheung, SW
openaire +3 more sources
Review of Reconfigurable Antennas for LTE, WiMAX and WLAN Application
Advanced Electromagnetics, 2017 To satisfy the requirement of advance wireless system various frequency and pattern reconfigurable antennas are designed. Monopole and PIFA antennas with reconfigurability are preferred for various handheld devices.
A. A. Palsokar, S. L. Lahudkar
doaj +1 more source
A Reconfigurable Platform For Cognitive Radio [PDF]
, 2005 Today¿s rigid spectrum allocation scheme creates a spectrum scarcity problem for future wireless communications. Measurements show that a wide range of the allocated frequency bands are rarely used.
Heskamp, M. +5 more
core +3 more sources
IEEE Access, 2021 A novel frequency reconfigurable antenna based on substrate integrated waveguide (SIW) for S-band and C-band applications is proposed. The antenna employs a SIW resonant cavity structure with a rectangular-ring slot and a long slit etched on the top ...
Jiamei Qin +4 more
semanticscholar +1 more source
Liquid Crystal-Based Wideband Reconfigurable Leaky Wave X-Band Antenna
IEEE Access, 2019 In this paper, a pattern and frequency reconfigurable leaky wave X-band antenna based on liquid crystal is designed. The frequency sweep characteristics of traditional leaky wave antennas are replaced by electrical properties of liquid crystal materials.
Di Jiang +7 more
doaj +1 more source
Frequency Reconfigurable Low-Profile UWB Magneto-Electric Dipole in VHF Band
IEEE Access, 2021 Reducing the size of directive and wideband antennas operating in the Very High-Frequency band is a major challenge for small satellite integration. At 100 MHz, the wavelength is 3 m, and the size reduction will make the integration easier and reduces ...
Abdul-Sattar Kaddour +3 more
doaj +1 more source
Advances in Reconfigurable Antenna Systems Facilitated by Innovative Technologies
IEEE Access, 2018 Future fifth generation (5G) wireless platforms will require reconfigurable antenna systems to meet their performance requirements in compact, light-weight, and cost-effective packages. Recent advances in reconfigurable radiating and receiving structures
Y. Jay Guo +4 more
doaj +1 more source
Energies, 2021 The microwave wireless power transfer (MWPT) technology has found a variety of applications in consumer electronics, medical implants and sensor networks. Here, instead of a magnetic resonant coupling wireless power transfer (MRCWPT) system, a novel MWPT
Haiyue Wang +5 more
doaj +1 more source
Dynamic reconfiguration technologies based on FPGA in software defined radio system [PDF]
, 2011 Partial Reconfiguration (PR) is a method for Field Programmable Gate Array (FPGA) designs which allows multiple applications to time-share a portion of an FPGA while the rest of the device continues to operate unaffected.
Ke He +3 more
core +2 more sources
Reconfigurable frequency multipliers based on graphene field-effect transistors
Discover Nano, 2023 Run-time device-level reconfigurability has the potential to boost the performance and functionality of numerous circuits beyond the limits imposed by the integration density.
A. Toral-Lopez +6 more
doaj +1 more source