System and method for one-pass blind transport format detection

Details System and method for one-pass blind transport format detection System and method for one-pass blind transport format detection

2002-11-12

2008-12-09

Ghayour, Mohammad H (Department: 2611)

Pulse or digital communications

Receivers

Particular pulse demodulator or detector

C375S224000, C375S225000, C375S262000, C375S287000, C375S365000, C375S354000, C714S052000

Reexamination Certificate

active

07463702

ABSTRACT:
For use in a CDMA receiver having a Viterbi decoder, a system for, and method of, performing one-pass blind transport format detection (BTFD) with respect to a received frame and a WCDMA receiver incorporating the system or the method. In one embodiment, the system includes: (1) a traceback circuit that performs a zero state BTFD traceback function with respect to at least a Viterbi-decoded portion of the frame, the traceback function being dependent upon a relative position of a BTFD checkpoint and generating hard decision bits and (2) a BTFD point selection circuit, coupled to the traceback circuit, that employs the hard decision bits to determine a location of a BTFD point with respect to the frame.

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Insoo Sohn, Seoyoung Lee “Blind Rate Detection Algorithm in WCDMA Mobile Receiver”, IEEE 2001.

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