Receiving apparatus, electromagnetic wave timepiece,...

Details Receiving apparatus, electromagnetic wave timepiece,... Receiving apparatus, electromagnetic wave timepiece,...

2011-03-01

2011-03-01

Payne, David C (Department: 2611)

Pulse or digital communications

Spread spectrum

Direct sequence

C375S147000, C375S140000, C375S130000, C370S319000, C370S320000, C370S321000, C370S330000, C370S335000, C370S342000, C370S347000

Reexamination Certificate

active

07899108

ABSTRACT:
A receiving apparatus includes: a receiver receiving a communication signal from a base station and including pilot and sync channel signals in which predetermined data strings continue periodically; a synchronizer acquiring synchronization information for communicating with the base station from the pilot channel signal and, based on the synchronization information, synchronizing with the communication signal; a data acquirer demodulating the sync channel signal from the synchronized communication signal and, by decoding the demodulated sync channel signal, acquiring sync channel signal data; an inference unit inferring a location in the data string of the acquired data by comparing the acquired data with data acquired and held before the acquired data and including the data string; a calculator calculating a time until receiving a next data string head from the inferred location in the data string; and a controller halting the reception of the communication signal based on the calculated time.

REFERENCES:
patent: 2005/0266844 (2005-12-01), Narasimha
patent: 2000-321383 (2000-11-01), None

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