Method and apparatus for synchronizing to a synchronous selectiv

Details Method and apparatus for synchronizing to a synchronous selectiv Method and apparatus for synchronizing to a synchronous selectiv

1994-02-03

1996-09-10

Yusko, Donald J.

Communications: electrical

Continuously variable indicating

With meter reading

34082544, 3408252, 455 383, 375354, H04Q 718, H04Q 706

Patent

active

055551831

ABSTRACT:
A selective call receiver (111) receives a synchronous selective call signal (99) having synchronization portions (102 and 104) and a frame identification portion (106). Upon finding the signal the selective call receiver's bit and frame synchronizers (126 and 128) synchronize to a frame (100) of the signal and a frame ID decoder (130) decodes the frame ID (106). A comparator (136) compares the received frame ID (106) with an ID (142) assigned to the receiver, and optionally a first and second mask (134A and 134B) to determine the number of frames until an occurrence of a desired frame and conserves power until the occurrence of the desired frame (188).

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