Method and apparatus for processing a physical channel with...

Details Method and apparatus for processing a physical channel with... Method and apparatus for processing a physical channel with...

2005-04-12

2005-04-12

Nguyen, Brian (Department: 2661)

Multiplex communications

Communication over free space

Combining or distributing information via code word channels...

C370S441000, C375S130000

Reexamination Certificate

active

06879576

ABSTRACT:
Techniques for recovering data transmitted on a physical channel in which the channelization code is not known at the time of the data recovery. A modulated signal is received an processed to provide received samples. A hypothesized channelization code (e.g., an OVSF code in the W-CDMA system) is selected and used to process the received samples to generate partially processed symbols. The hypothesized channelization code is a “base” code that can be used to generate all possible channelization codes that may have been used for the physical channel. Intermediate results representative of the partially processed symbols are stored and, upon determination of the actual channelization code, further processed in accordance with the actual and hypothesized channelization codes to provide the final results.

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