Telecommunications – Transmitter and receiver at separate stations – Having measuring – testing – or monitoring of system or part
Patent
1996-06-05
1998-06-16
Pham, Chi H.
Telecommunications
Transmitter and receiver at separate stations
Having measuring, testing, or monitoring of system or part
455 674, 455424, H04B 1700
Patent
active
057686882
ABSTRACT:
A mobile communication system has a radio port controller which continuously broadcasts information including a radio port identification through a radio port to be tested, and then specifies one of groups of mobile terminals and transmits a test paging message as many times as required to a coverage area of the radio port with respect to the specified group of mobile terminals. When a mobile terminal belonging to the specified group of mobile terminals receives the test paging message, it measures the quality of a downstream radio link. The mobile terminals transmits a test paging response message together with measured data of the quality of the downstream radio link and the radio port identification number to the radio port controller. In response to the test paging response message, the radio port controller confirms the normality or abnormality of a transmitter/receiver in the radio port based on the measured data of the quality of the downstream radio link if the radio port identification number received from the mobile terminal agrees with the radio port identification number of the radio port.
REFERENCES:
patent: 5361402 (1994-11-01), Grube et al.
patent: 5570373 (1996-10-01), Wing
patent: 5606729 (1997-02-01), D'Amico
Operations Generic Criteria for PACS NE.sub.8, Radio Port Control Unit (RPCU), GR-1344-CORE Issue 2, (1995) pp. 6-10.
NEC Corporation
Pham Chi H.
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