TW200513059A - Method for updating coefficients in decision feedback equalizer - Google Patents
Method for updating coefficients in decision feedback equalizerInfo
- 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
Links
- 239000011159 matrix material Substances 0.000 abstract 3
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.
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)
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 |
-
2003
- 2003-09-19 TW TW92125855A patent/TWI229511B/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
TWI229511B (en) | 2005-03-11 |
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