Inter-mobile-terminal testing method in cellular automobile tele

Details Inter-mobile-terminal testing method in cellular automobile tele Inter-mobile-terminal testing method in cellular automobile tele

1992-11-05

1994-10-18

Chin, Stephen

Telephonic communications

Diagnostic testing, malfunction indication, or electrical...

Testing of subscriber loop or terminal

379 31, 379 32, 379 34, 379 59, 379 60, 455 331, 455 561, H04M 124, H04M 400, H04Q 900, H04B 700

Patent

active

053575571

ABSTRACT:
In an inter-mobile-terminal testing method in a cellular automobile telephone system, test sequence information indicating a test sequence, next terminal number information indicating a terminal which is to make a next call, and test data are transmitted and down-loaded from a cellular automobile telephone exchange to each terminal. A test start command is output from the cellular automobile telephone exchange to the first terminal serving as a start point. In response to the test start command, the first terminal makes a call to the second terminal as a next terminal in accordance with the next terminal number information so as to transmit the test data thereto. The second terminal transmits connection determination information indicating success in connection of the call and data determination information indicating correct reception of the test data to the third terminal as a next terminal together with the test data. The same procedure is subsequently executed up to the nth terminal as a last terminal. An accumulated result of the connection determination information between the respective terminals and the data determination information is acquired in the cellular automobile telephone exchange.

REFERENCES:
patent: 4903323 (1990-02-01), Hendershot
patent: 4977399 (1990-12-01), Price et al.
Telecommunication (Cellular Radio test set) Jul. 1981.
IEE Transactions on Vehicular Technology (Advanced Mobile Phone Service), Franklin Belcher, May 1980.

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