TW200513059A - Method for updating coefficients in decision feedback equalizer - Google Patents

Method for updating coefficients in decision feedback equalizer

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Publication number
TW200513059A
TW200513059A TW092125855A TW92125855A TW200513059A TW 200513059 A TW200513059 A TW 200513059A TW 092125855 A TW092125855 A TW 092125855A TW 92125855 A TW92125855 A TW 92125855A TW 200513059 A TW200513059 A TW 200513059A
Authority
TW
Taiwan
Prior art keywords
symbol
decision feedback
feedback equalizer
decoded
coefficients
Prior art date
Application number
TW092125855A
Other languages
Chinese (zh)
Other versions
TWI229511B (en
Inventor
Tien-Hui Chen
Chin-Gwo Ma
Jeff Lin
Kai-Pon Kao
Original Assignee
Via Tech Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Via Tech Inc filed Critical Via Tech Inc
Priority to TW92125855A priority Critical patent/TWI229511B/en
Application granted granted Critical
Publication of TWI229511B publication Critical patent/TWI229511B/en
Publication of TW200513059A publication Critical patent/TW200513059A/en

Links

Abstract

A method for updating coefficients in a decision feedback equalizer (DFE). The DFE comprises an ISI canceller for canceling ISI from a plurality of first signals received from a channel. A first symbol comprising a set of the first signals is decoded to generate a decoded symbol. Then, a vector of error values computed as the difference between the decoded symbol, and the first symbol is obtained. According to the decoded symbol and the vector of the error values, a temp matrix is generated. Next, the values of the elements in every diagonal line of the temp matrix are averaged. Finally, the coefficients are updated by the Toeplitz Matrix.
TW92125855A 2003-09-19 2003-09-19 Method for updating coefficients in decision feedback equalizer TWI229511B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
TW92125855A TWI229511B (en) 2003-09-19 2003-09-19 Method for updating coefficients in decision feedback equalizer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
TW92125855A TWI229511B (en) 2003-09-19 2003-09-19 Method for updating coefficients in decision feedback equalizer

Publications (2)

Publication Number Publication Date
TWI229511B TWI229511B (en) 2005-03-11
TW200513059A true TW200513059A (en) 2005-04-01

Family

ID=36071105

Family Applications (1)

Application Number Title Priority Date Filing Date
TW92125855A TWI229511B (en) 2003-09-19 2003-09-19 Method for updating coefficients in decision feedback equalizer

Country Status (1)

Country Link
TW (1) TWI229511B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8615035B2 (en) 2005-03-29 2013-12-24 Qualcomm Incorporated Method and apparatus for block-wise decision-feedback equalization for wireless communication
US8218615B2 (en) 2005-03-29 2012-07-10 Qualcomm Incorporated Method and apparatus for block-wise decision-feedback equalization for wireless communication

Also Published As

Publication number Publication date
TWI229511B (en) 2005-03-11

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