Method and apparatus for synchronizing a receiver to a transmitted signal while conserving power
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Aug 31, 1993
Grant Date -
N/A
app pub date -
Dec 2, 1991
filing date -
Dec 2, 1991
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A receiver (200) receives (203) a transmitted signal having a first predetermined signal for indicating a start of a new transmission to the receiver and having a second predetermined signal inserted at periodic sampling time intervals for synchronizing the receiver to the transmitted signal. The receiver (200) synchronizes to the transmitted signal by detecting the first predetermined signal (208) followed by the second predetermined signal (210), and establishing subsequent periodic sampling time intervals therefrom. The receiver (200) conserves power (228) during a second portion of a periodic sampling time interval following a detection of a first portion of the second predetermined signal (210) during a first portion of the periodic sampling time interval. If the receiver (200) does not detect the first portion of the second predetermined signal (210) then the receiver (200) searches for a portion of the first predetermined signal (208) during the second portion of the periodic sampling time interval to determine a possible start of a new transmission.
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