Compact and Broadband Microstrip Antennas - twanclik.free.fr 8.2.2 A Three-Dimensional V-Shaped Microstrip Antenna 280 8.3 Broadband Dual-Polarized Microstrip Antennas 282 8.3.1 Use of Two Aperture-Coupled Feeds 282 8.3.2 Use of a Gap-Coupled Probe Feed and an H-Slot Coupled Feed 287 8.3.3 Use of an L-Strip Coupled Feed and an H-Slot Coupled Feed 288 9 Broadband and Dual-Band Circularly Polarized Dual Port Ultra Wideband Antennas for Cognitive Radio and ... A Broadband Pattern Diversity Annular Slot Antenna Michele Gallo , Eva Antonino-Daviu , Miguel Ferrando-Bataller , Michele Bozzetti , Jose-Maria Molina-Garcia-Pardo , Leandro Juan-Llacer IEEE Transactions on Antennas and Propagation ULTRA-WIDEBAND CO-LOCATED DIVERSITY ANTENNA FOR ENHANCING ... PRAJAKTA KULKARNI AND SUNIL MOON: ULTRA-WIDEBAND CO-LOCATED DIVERSITY ANTENNA FOR ENHANCING CHANNEL CAPACITY . 1380 . slot resonators on the feeding structures. The proposed antenna facilitates nearly Omni directional radiation pattern, low envelope correction coefficient, moderate gain, and efficiency. Moreover, BROADBAND ARRAY ANTENNA - Cobham plc
A rectangular slot antenna with improved bandwidth ...
This invention relates to an antenna for direction finders presenting a high sensitivity in a narrow band by making a loop antenna and a shielding tube resonate at any two desired frequencies. US2471021A - Radio wave guide - Google Patents This antenna structure comprising essentially a stacked biconical horn array is commonly utilized to develop a field distribution having a uniform circular horizontal pattern. Radioengineering - April 2018, Volume 27, Number 1 [DOI: 10… The monopole antenna is modified using microstrip transition in the feedline and block with a triangular-shape slot on each side of the circular patch to produce wider impedance bandwidth with better return loss. Radiation Patterns Research Papers - Academia.edu
diversity UWB and Bluetooth antenna for MIMO applications. At last, a ...... Juan-Llacer, “A Broadband Pattern Diversity Annular Slot Antenna,”. IEEE Trans.
The Annular Slot Antenna (ASA) is an interesting simple, low cost, easy to manufacture planar microstrip printed antenna with a compact shape factor and a relatively wide frequency bandwidth (in
Compact Switched-Beam Antenna Employing a Four-Element Slot ...
loop antenna over an annular slot loaded ground plane are shown in Section III. Section IV presents a parametric analysis of the ground plane’s effect using a numerically simulated broadband spiral antenna, including parametric analysis of the slot ring radius, slot width, substrate height, and substrate material. PIER C Online - Compact Ultrawideband MIMO Antenna with ...
Trident-shape strip loaded dual band-notched UWB MIMO
PIER C : Progress In Electromagnetics Research C He, "Closely-packed UWB MIMO/diversity antenna with diggerent patterns and polarizations for USB dongle applications," IEEE Transactions on ... M. Bozzetti, J. M. Molina-Garcia-Pardo, and L. Juan-Llacer, "A broadband pattern diversity annular slot antenna," IEEE Transactions on Antennas and ...
Title: A Broadband Pattern Diversity Annular Slot Antenna: Authors: Gallo, Michele; Antonino-Daviu, Eva; Ferrando-Bataller, Miguel; Bozzetti, Michele; Molina-Garcia ... DUAL-BAND BEAM SCANNING REFLECTARRAYS AND NOVEL WIDEBAND ... Dual-band Beam Scanning Reflectarrays and Novel Wideband and Polarization Diversified Planar Antennas. (August 2008) Shih-Hsun Hsu, B.S., National Cheng Kung University; M.S., University of Wisconsin-Madison Chair of Advisory Committee: Dr. Kai Chang The reflectarray antenna has been considered as a suitable candidate to replace the Beamforming Antenna Array Combining Pattern ... - SpringerLink This paper presents a novel beamforming antenna array that combines pattern and polarization diversity for indoor cognitive radio systems. This combination is set to meet two goals. In order to...