Apparatus and method for tracking sampling clock in multi-carrier communication system
AssigneeRealtek Semiconductor Corp.
InventorsKuo-Ming Wu, Der-Zheng Liu
Life of this patent
Estimating the term…
Abstract
An apparatus and method for tracking a sampling clock are disclosed. The apparatus includes a compensating unit compensating phases of a first and a second received symbols according to a compensating signal and thereby generating a first and a second compensated symbols; a data removal module removing a first predetermined transmitted data from the first compensated symbol, and a second predetermined transmitted data from the second compensated symbol and thereby generating a first and a second data removal symbols; and a computing module generating a sampling clock offset according to the first and the second data removal symbols, and adjusting the sampling clock signal according to the sampling clock offset.
Claims17
An apparatus for tracking a sampling clock of received symbols in a multi-carrier communication system, comprising:
- a compensating unit compensating phases of a first and a second received symbols according to a compensating signal and thereby generating a first and a second compensated symbols, wherein the first and the second received symbols are transmitted by a first and a second sub-carriers, respectively;
- a data removal module, coupled to the compensating unit, removing a first predetermined transmitted data from the first compensated symbol, and a second predetermined transmitted data from the second compensated symbol and thereby generating a first and a second data removal symbols;
- and
- a computing module, coupled to the data removal module, generating a sampling clock offset according to the first and the second data removal symbols, and generating a sampling clock signal according to the sampling clock offset.
A method for tracking a sampling clock of received symbols, comprising:
- generating a first and a second compensated symbols by adjusting phases of a first and a second received symbols according to a compensating signal, wherein, the first and the second received symbols are transmitted by a first and a second sub-carriers, respectively;
- respectively removing a first and a second predetermined transmitted data from the first and the second compensated symbols, and thereby generating a first and a second data removal symbols;
- generating a sampling clock offset according to the first and the second data removal symbols;
- and
- generating a sampling clock signal according to the sampling clock offset.
Dependencies are inferred from the claim text.