Telecommunications – Receiver or analog modulated signal frequency converter – Measuring or testing of receiver
Reexamination Certificate
2006-05-23
2006-05-23
To, Doris H. (Department: 2682)
Telecommunications
Receiver or analog modulated signal frequency converter
Measuring or testing of receiver
C455S226200, C455S226300, C455S226400, C455S067130
Reexamination Certificate
active
07050773
ABSTRACT:
A method for estimating wireless broadcast service quality on a broadcast channel including the steps of: receiving (310) a service parameter message with a service identifier associated with a broadcast channel, determining (320) a quality indicator threshold from the service parameter message, measuring (340) a quality indicator to form a calculated (350) quality indicator, comparing (360, 370) the calculated quality indicator to the quality indicator threshold. The quality indicator threshold can be embedded in the service parameter message or obtained indirectly such as through a table mapping a service identifier to a quality indicator. Various quality indicators are available, including various signal-to-noise ratios (e.g., Eb/Nt) and pilot signal-to-noise ratio (C/IPICH).
REFERENCES:
patent: 5461611 (1995-10-01), Drake et al.
patent: 2003/0156540 (2003-08-01), Trossen et al.
patent: 2003/0157899 (2003-08-01), Trossen et al.
patent: 2004/0047323 (2004-03-01), Park et al.
patent: 2004/0142699 (2004-07-01), Jollota et al.
patent: 2004/0259555 (2004-12-01), Rappaport et al.
Chen Sylvia
Motorola Inc.
Phu Sanh
To Doris H.
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