Spread spectrum communication apparatus
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United States of America Patent
Stats
-
Jul 17, 2001
Grant Date -
N/A
app pub date -
Jul 29, 1998
filing date -
Aug 4, 1997
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A present invention provides a spread spectrum communication apparatus that acquisition of synchronization of the pilot signal can be conducted in a short time with a high probability when a mobile station stays in the same radio area or in its vicinity. The spread spectrum communication apparatus includes a PN period holding counter is provided in a search receiver, and phase information of the PN code is held in the counter during the power off interval. At the time of operation of synchronization acquisition of a pilot signal conducted when power is turned on again, the operation of synchronization acquisition of the pilot signal is conducted with a preset search width around the phase derived on the basis of the above described held phase information.
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