Combined searching and page monitoring using offline sample...

Details Combined searching and page monitoring using offline sample... Combined searching and page monitoring using offline sample...

2006-09-26

2006-09-26

Burd, Kevin (Department: 2611)

Pulse or digital communications

Spread spectrum

Direct sequence

C375S144000, C370S330000, C455S458000, C340S007210

Reexamination Certificate

active

07113537

ABSTRACT:
A novel and improved method for performing paging is described. In one embodiment of the invention a searcher is used to detect spread spectrum signals. Samples received RF signals are stored in a sample buffer. During standby mode, the samples are gathered during paging slots assigned to the mobile. A set of searches are performed on the samples, and if pilot signals are detected additional demodulation is performed to detect paging messages. The resulting set of demodulation data may be combined to increase detection. After a page message has been detected, additional demodulation resources may be activated to processes more complete page messages, or other information channels. In one embodiment of the invention, the searcher includes a demodulator to perform quick page detection without the use of finger elements to reduce idle mode power consumption.

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