Patent ID: 6493537
Filing Date: 2002-12-10
Classification: H04B,H04W

Abstract:
A radio repeater device, which can mutually communicate by relay of a vehicular terminal with a base station, comprising:a first antenna to communicate with the base station; a second antenna to communicate with the vehicular terminal; and a first duplexer connected with said first antenna; a second duplexer connected with said second antenna; a repeater section which can communicate and is the relay of said base station and said vehicular terminal; a pilot signal generation section which sends the pilot signal for monitoring to said repeater section; a synthesizer which is arranged between said second duplexer and said second antenna and is connected with said pilot signal generation section; and a reception controller which is connected with said first duplexer, in which a signal from said repeater section is input to said reception controller, and the operation of said repeater section is stopped when an intensity of the signal is larger than a predetermined intensity level of standard signal.