An Excellent Cost-Performance Antenna Duplexer for 26 GHz FWA Systems

Toshio ISHIZAKI  Toshihiro TERAOKA  Koichi OGAWA  

Publication
IEICE TRANSACTIONS on Electronics   Vol.E84-C   No.10   pp.1515-1520
Publication Date: 2001/10/01
Online ISSN: 
DOI: 
Print ISSN: 0916-8516
Type of Manuscript: Special Section PAPER (Special Issue on Millimeter-Wave Circuits and Fabrication Technologies Opening up the 21st Century)
Category: 
Keyword: 
FWA,  duplexer,  E-plane filter,  circulator,  waveguide,  

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Summary: 
Cost down of millimeter wave components, especially antenna duplexer, is a key for spreading millimeter wave communication systems. An excellent cost-performance antenna duplexer is proposed. It consists of two E-plane filters and a wave-guide circulator. The performance fluctuations due to manufacturing accuracies are studied by simulations and experiments. These results are very useful for cost-down of the practical duplexer without performance degradation.