Multiplex communications – Communication over free space – Having a plurality of contiguous regions served by...
Reexamination Certificate
2007-11-06
2007-11-06
Kelley, Chris (Department: 2609)
Multiplex communications
Communication over free space
Having a plurality of contiguous regions served by...
C370S335000, C370S331000, C455S436000
Reexamination Certificate
active
10420913
ABSTRACT:
An apparatus and method manages timings of Node Bs by performing a first-step cell search on primary synchronization channel signals transmitted from the Node Bs, and stores frame boundary indexes representing frame boundaries for the Node Bs by performing a second-step cell search on secondary synchronization channel signals received from the Node Bs. Upon receiving a third-step cell search start command, the apparatus and method compares frame boundary timing corresponding to each of the frame boundary indexes to a current timing from a reference timer, performs a third-step cell search on hypotheses corresponding to the frame boundary indexes at a next slot boundary following the current timing by using scrambling codes in a Node B code group obtained by the second-step cell search, and provides a third-step cell search complete information after completing the third-step cell search on hypotheses corresponding to the frame boundary indexes.
REFERENCES:
patent: 1187369 (2002-03-01), None
Kim Yong-Serk
Lim Chae-Man
Kelley Chris
Lu Xiao Qin (Vincent)
Roylance Abrams Berdo & Goodman LLP
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