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Patent Searching and Data


Title:
CONNECTION CONTROL SYSTEM FOR RADIO LINE OF RADIO COMMUNICATION SYSTEM
Document Type and Number:
Japanese Patent JP2002185384
Kind Code:
A
Abstract:

To provide a connection control system in which a radio line of good quality can be always used when the quality of the radio line is bad in the connection of the line of a radio communication system because a telephone message is hard to catch and because data cannot be transmitted satisfactorily.

A measuring signal is sent from a test mobile station to the radio line connected to an actual communication at a control station, a base station and a mobile station. The measuring signal is returned by the control station. The test mobile station measures the returned measuring signal so as to transmit measured data to the control station. The control station always uses only the radio line of good quality so as to be connected to the mobile station by the transmitted data.


Inventors:
AZUMA MASANOBU
Application Number:
JP2000375351A
Publication Date:
June 28, 2002
Filing Date:
December 11, 2000
Export Citation:
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Assignee:
HITACHI INT ELECTRIC INC
International Classes:
H04M3/26; H04B7/26; H04B17/00; H04B17/24; H04B17/382; H04B17/391; H04M1/24; H04W24/06; (IPC1-7): H04B7/26; H04B17/00; H04M1/24; H04M3/26; H04Q7/36; H04Q7/38