Apparatus and method for tracking a sampling clock of...

Details Apparatus and method for tracking a sampling clock of... Apparatus and method for tracking a sampling clock of...

2006-01-23

2009-11-24

Liu, Shuwang (Department: 2611)

Pulse or digital communications

Systems using alternating or pulsating current

Plural channels for transmission of a single pulse train

C375S150000, C375S142000, C375S147000, C375S152000, C375S326000, C375S343000, C375S375000

Reexamination Certificate

active

07623583

ABSTRACT:
An apparatus and a method for tracking a sampling clock of a multi-carrier communication system are disclosed, the apparatus including a data removal module, a phase estimation module, and a sampling clock offset computation module. The data removal module is for generating a plurality of first and second data removal symbols by removing predetermined transmitted data from a plurality of first and second received symbols, respectively. The phase estimation module for generating a first and a second phase shifts according to correlations of the plurality of first and second data removal symbols. The sampling clock offset computation module for generating a control signal utilized to compensate the sampling clock of a plurality of received symbols according to the first and a second phase shifts.

REFERENCES:
patent: 2002/0021715 (2002-02-01), Matheus et al.
patent: 2004/0114675 (2004-06-01), Crawford
patent: 2005/0163238 (2005-07-01), Fujii

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