Results 11 to 20 of about 359,484 (133)
Reconfigurable wideband patch antenna for cognitive radio [PDF]
, 2009 Cognitive radio communication is envisaged to be a new paradigm of methodologies for enhancing the performance of radio communication systems through the efficient utilization of radio spectrum.
AbuTarboush, HF +14 more
core +7 more sources
Design of Multiband Balanced Folded Dipole Antenna Based on a Dual-Arm Structure for Mobile Handsets [PDF]
, 2008 YesIn this paper, a balanced antenna for mobile handset applications with enhanced bandwidth performance, that covers four bands (GSM1800, GSM1900, UMTS and 2.4-GHz WLAN), is investigated.
Abd-Alhameed, R.A. +7 more
core +5 more sources
Compact wideband patch antenna for 5 and 6 GHz WLAN applications [PDF]
, 2008 Copyright @ 2008 IEICEA wideband rectangular and circular mistostrip patch antenna for 5 and 6 GHz WLAN applications is presented. The rectangular and the circular patches are fed by microstrip line.
AbuTarboush, HF +2 more
core +6 more sources
Wideband microstrip patch antenna design for breast cancer tumour detection [PDF]
, 2007 A patch antenna is presented which has been designed to radiate into human breast tissue. The antenna is shown by means of simulation and practical measurement to possess a wide input bandwidth, stable radiation patterns and a good front-to-back ratio ...
Preece, A +4 more
core +7 more sources
Antenna Study and Design for Ultra Wideband Communication Applications [PDF]
, 2006 PhDSince the release by the Federal Communications Commission (FCC) of a bandwidth of 7.5GHz (from 3.1GHz to 10.6GHz) for ultra wideband (UWB) wireless communications, UWB is rapidly advancing as a high data rate wireless communication technology.
Liang, Jianxin
core +4 more sources
Single-element based ultra-wideband antenna array concepts for wireless high-precision 2-D local positioning [PDF]
Advances in Radio Science, 2013 We generally categorize the approaches for ultra-wideband antenna array design, and consequently propose simplified concepts for antenna arrays for a high-precision, ultra-wideband FMCW radar 2-D local positioning system to obtain robustness against ...
M. Gardill +3 more
doaj +1 more source
Embroidered Textile Antennas: Influence of Moisture in Communication and Sensor Applications
Sensors, 2021 Moisture causes detuning and increased losses in textile antennas, and it affects resonant and wideband textile antennas differently. In this work, we studied the effect of moisture on a resonant textile planar inverted-F antenna (PIFA) and a wideband ...
Davor Bonefačić, Juraj Bartolić
doaj +1 more source
IEEE Access, 2018 In this paper, a new wideband series-fed antenna array is proposed and analyzed. The antenna array structure consists of two antennas with two ports, two antennas with one port, and a wideband 180° coupler.
Mohammad Mahdi Honari +4 more
doaj +1 more source
Sensors, 2021 A miniaturized wideband loop antenna for terrestrial digital television (DTV) and ultra-high definition (UHD) TV applications is proposed. The original wideband loop antenna consists of a square loop, two circular sectors to connect the loop with central
Junho Yeo, Jong-Ig Lee
doaj +1 more source
Superdirective Wideband Array of Circular Monopoles with Loaded Patches for Wireless Communications
Sensors, 2023 A wideband superdirective array, composed of a two-element circular monopole configuration, is introduced. The monopoles are placed in close proximity, facing each other on a metal ground.
Ping Lu +4 more
doaj +1 more source