Simplified symbol timing tracking circuit for a CPM...

Details Simplified symbol timing tracking circuit for a CPM... Simplified symbol timing tracking circuit for a CPM...

2005-09-06

2005-09-06

Bayard, Emmanuel (Department: 2631)

Pulse or digital communications

Receivers

Particular pulse demodulator or detector

C375S265000

Reexamination Certificate

active

06940927

ABSTRACT:
A symbol epoch tracking circuit and method for a Continuous Phase Modulation (CPM) receiver. A phase tracking circuit performs carrier phase tracking with little extra computation for a Viterbi decoder and has an excellent tracking performance. The symbol epoch tracking circuit is implemented in a CPM receiver, and could also be implemented as a software defined process for use in any CPM demodulator employing a Viterbi algorithm for accurate data detection.

REFERENCES:
patent: 4578800 (1986-03-01), Yasuda et al.
patent: 5325402 (1994-06-01), Ushirokawa
patent: 5471501 (1995-11-01), Parr et al.
patent: 5910968 (1999-06-01), Chouly et al.
patent: 6034997 (2000-03-01), Mackenthun
patent: 6493409 (2002-12-01), Lin et al.

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