Telecommunications – Transmitter and receiver at separate stations – Having measuring – testing – or monitoring of system or part
Patent
1995-06-21
1997-02-25
Faile, Andrew
Telecommunications
Transmitter and receiver at separate stations
Having measuring, testing, or monitoring of system or part
455 331, 455 541, 4552262, H04B 1700
Patent
active
056067291
ABSTRACT:
A method and apparatus implements a signal quality measurement (706) in a radio communication system for delivering a message (528) to a subscriber unit (122) in a coverage zone (402). In a fixed portion (102) of the system, for each coverage zone (402) of a group including the coverage zone (402) and other coverage zones (402) that are first tier co-channel interferers thereof, a silence slot is assigned in one of a plurality of synchronized signal quality measurement (SQM) slots. The assignment is such that within the group no two coverage zones (402) have the silence slot assigned to an identical one of the SQM slots. The fixed portion (102) transmits a silent signal from selected ones of the coverage zones (402) of the group in the silence slot assigned thereto, and transmits a predetermined signal from the selected ones in a remainder of the SQM slots not assigned thereto as the silence slot, and thereafter transmits the message (528).
REFERENCES:
patent: 4088948 (1978-05-01), Miedema
patent: 4875038 (1989-10-01), Siwiak et al.
patent: 5038399 (1991-08-01), Bruckert
patent: 5168493 (1992-12-01), Nelson et al.
patent: 5222250 (1993-06-01), Cleveland et al.
patent: 5386495 (1995-01-01), Wong et al.
D'Amico Thomas V.
Dorenbosch Jheroen
Breeden R. Louis
Faile Andrew
Motorola Inc.
Vo Nguyen
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