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Title:
ELLIPTICALLY POLARIZED CAVITY BACKED WIDEBAND SLOT ANTENNA
Document Type and Number:
WIPO Patent Application WO/2019/161788
Kind Code:
A1
Abstract:
An elliptically polarized cavity backed wideband slot antenna with a planar log-periodic dipole is provided. Sufficiently large bandwidth is achieved with careful design of the dipole. Also, the antenna has constant E-field distribution and good impedance properties, and ensures a constant power ratio for vertical polarization and horizontal polarization over a broad frequency band.

Inventors:
CAO YAN (AU)
CHI JONATHAN (AU)
Application Number:
PCT/CN2019/075914
Publication Date:
August 29, 2019
Filing Date:
February 22, 2019
Export Citation:
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Assignee:
NOKIA SHANGHAI BELL CO LTD (CN)
International Classes:
H01Q15/00
Domestic Patent References:
WO2017175155A12017-10-12
Foreign References:
CN103646271A2014-03-19
US20060033672A12006-02-16
US20060033670A12006-02-16
Other References:
YANG XIAO-YI;ZHAI XIAO-JUN;CHENG XIN-YING;HE KAI-KAI: "Design of Log-periodic Slot Antenna Array with Novel Cavity", FIRE CONTROL & COMMAND CONTROL, vol. 41, no. 5, 15 May 2016 (2016-05-15), pages 134 - 136, XP055732217, ISSN: 1002-0640
ZHIYA ZHANG, SHAOLI ZUO, XIAOLU ZHANG ,GUANG FU: "Ultra-wideband cavity-backed bowtie antenna for pattern improvement ", PROGRESS IN ELECTROMAGNETICS RESEARCH LETTERS, vol. 37, 31 December 2013 (2013-12-31), pages 37 - 46, XP055732220, ISSN: 1937-6480, DOI: 10.2528/PIERL12110909
HA, JAEGEUN ET AL.: "High Efficiency Cavity-Backed Log-Periodic Antenna", 2013 IEEE ANTENNAS AND PROPAGATION SOCIETY INTERNATIONAL SYMPOSIUM (APSURSI), 31 July 2014 (2014-07-31), pages 1318 - 1320, XP032645610
HE XIAO-YU;YU YU-FENG;ZHANG ZE-TAO: "A Wide-band Wide-beam Printed Dipole Antenna for Spectrum Monitoring Applications", SCIENCE TECHNOLOGY AND ENGINEERING, vol. 15, no. 17, 30 June 2015 (2015-06-30), pages 164 - 166+171, XP055732224, ISSN: 1671-1815
HA JAEGEUN ET AL.: "2017 IEEE INTERNATIONAL SYMPOSIUM ON ANTENNAS", 9 July 2017, IEEE, article "Wide bandwidth and beamwidth flush-mountable planar and pyramidal log-periodic antennas", pages: 1545 - 1546
SAMMETA ROHIT ET AL.: "IEEE", vol. 62, 1 November 2014, IEEE SERVICE CENTER, article "Reduced Size Planar Dual-Polarized Log-Periodic Antenna for Bidirectional High Power Transmit and Receive Applications", pages: 5453 - 5461
See also references of EP 3756241A4
Attorney, Agent or Firm:
HANHOW INTELLECTUAL PROPERTY (CN)
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