DECOUPLING CIRCUIT

WIPO Patent Application WO/2018/146744

A1

This decoupling circuit is provided with: a variable decoupling circuit (10) which is connected to a first input/output port (1) and a third input/output port (3), and decreases coupling between the first input/output port (1) and the third input/output port (3); and a coupling measuring circuit (20) which measures a coupled amplitude and a coupled phase between a second input/output port and a fourth input/output port from a signal outputted from the variable decoupling circuit (10) to the second input/output port when a signal is inputted from the first input/output port (1), and a signal outputted from the fourth input/output port to the variable decoupling circuit (10) when a signal is inputted from the fourth input/output port, wherein a controller (30) controls the variable decoupling circuit (10) in accordance with the coupled amplitude and coupled phase measured by the coupling measuring circuit (20) such that a coupled amplitude between the first input/output port (1) and the third input/output port (3) becomes zero.

JP2016528798	How to drive the antenna device and the antenna port of the antenna array
JPH0770902	[Title of Invention] Antenna device

MAKIMURA HIDETOSHI (JP)
NISHIMOTO KENGO (JP)
NISHIOKA YASUHIRO (JP)

PCT/JP2017/004541

August 16, 2018

February 08, 2017

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MITSUBISHI ELECTRIC CORP (JP)

H01Q3/26; H01Q1/50

WO2012125176A1	2012-09-20
WO2016000531A1	2016-01-07
WO2014089530A1	2014-06-12
WO2015052838A1	2015-04-16

US20140320372A1	2014-10-30
US20120207235A1	2012-08-16
US20120086611A1	2012-04-12
US20130021218A1	2013-01-24
JP2013026962A	2013-02-04

TAZAWA, Hideaki et al. (JP)

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