A Two-Layer Self-Diplexing Antenna Using a Circularly Polarized Ring Patch Antenna

Wataru CHUJO  Masayuki FUJISE  Masayuki NAKANO  Hiroyuki ARAI  Naohisa GOTO  

Publication
IEICE TRANSACTIONS on Communications   Vol.E74-B   No.10   pp.3261-3267
Publication Date: 1991/10/25
Online ISSN: 
DOI: 
Print ISSN: 0916-8516
Type of Manuscript: Special Section PAPER (Special Issue on Mobile Communication Antennas)
Category: 
Keyword: 


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Summary: 
This paper presents a newly developed two-layer self-diplexing antenna for mobile satellite communications with mutual coupling suppression between transmitting and receiving antenna. The self-diplexing antenna is composed of circular microstrip and ring patches. Numerical results based on an electromotive force method using boundary admittance are compared with experimental results. The numerical results significantly agree with the experimental results. The experiments show that the total isolation between transmitting and receiving antennas is more than 35 dB.