Mutual Coupling Characteristics of Choke Loaded Patch Array Antenna(Antennas and Propagation)

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概要

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• This paper describes the choke-loaded patch array antenna for use in the IMT-2000 repeater systems. The choke structure of the 4-element array is designed by means of an electromagnetic analysis. A high front-to-back (FB) ratio is required for suppressing mutual coupling in order to stop the oscillation caused by the interference waves between a transmitting and receiving antenna. The suppression of the FB ratio by a choke is limited in the case of the 16-element array because its side lobe level is large. In this paper, we examine the effect of suppressing the mutual coupling using a binomial array.

• 2005-01-01

著者

• ARAI Hiroyuki

  the Department of Electrical & Computer Engineering, Yokohama National University

• Kimura Yasuko

  The Radio System Development Department Ntt Docomo

• Michishita Naobumi

  The Department Of Electrical And Computer Engineering Yokohama National University:(present Address)

• Arai Hiroyuki

  The Department Of Electrical And Computer Engineering Yokohama National University

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