Multiplex communications – Communication over free space – Having a plurality of contiguous regions served by...
Reexamination Certificate
2007-02-26
2010-11-23
Eng, George (Department: 2617)
Multiplex communications
Communication over free space
Having a plurality of contiguous regions served by...
C370S342000
Reexamination Certificate
active
07839817
ABSTRACT:
An apparatus for detecting uplink ranging codes includes a first transform unit for transforming data received from a mobile station to generate first outputs; a cross-correlation unit for comparing the first outputs with possible ranging codes to generate second outputs; a screening unit for selectively passing the second outputs representing parts of the received data that match the possible ranging codes; a second transform unit for transforming the second outputs from the screening unit to generate third outputs; and a detection unit for detecting the ranging codes for the received data based on the third outputs.
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PCT International Search Report and Written Opinion of the International Searching Authority, Dec. 20, 2007.
Ahmed Mansoor
Jin Hang
Wang Genyuan
Wee Daniel
Cisco Technology Inc.
Eng George
Miller Brandon J
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