WO2005099407A3 - Apparatus for and method of developing equalized values from samples of a signal received from a channel - Google Patents
Apparatus for and method of developing equalized values from samples of a signal received from a channel Download PDFInfo
- Publication number
- WO2005099407A3 WO2005099407A3 PCT/US2005/012152 US2005012152W WO2005099407A3 WO 2005099407 A3 WO2005099407 A3 WO 2005099407A3 US 2005012152 W US2005012152 W US 2005012152W WO 2005099407 A3 WO2005099407 A3 WO 2005099407A3
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- samples
- channel
- signal received
- equalized values
- feedforward filter
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
- H03D1/00—Demodulation of amplitude-modulated oscillations
- H03D1/02—Details
- H03D1/06—Modifications of demodulators to reduce distortion, e.g. by negative feedback
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L25/00—Baseband systems
- H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
- H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
- H04L25/03006—Arrangements for removing intersymbol interference
- H04L25/03012—Arrangements for removing intersymbol interference operating in the time domain
- H04L25/03019—Arrangements for removing intersymbol interference operating in the time domain adaptive, i.e. capable of adjustment during data reception
- H04L25/03057—Arrangements for removing intersymbol interference operating in the time domain adaptive, i.e. capable of adjustment during data reception with a recursive structure
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
- H03D1/00—Demodulation of amplitude-modulated oscillations
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/02—Amplitude-modulated carrier systems, e.g. using on-off keying; Single sideband or vestigial sideband modulation
- H04L27/06—Demodulator circuits; Receiver circuits
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/10—Frequency-modulated carrier systems, i.e. using frequency-shift keying
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L25/00—Baseband systems
- H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
- H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
- H04L25/03006—Arrangements for removing intersymbol interference
- H04L2025/0335—Arrangements for removing intersymbol interference characterised by the type of transmission
- H04L2025/03375—Passband transmission
- H04L2025/0342—QAM
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L25/00—Baseband systems
- H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
- H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
- H04L25/03006—Arrangements for removing intersymbol interference
- H04L2025/03433—Arrangements for removing intersymbol interference characterised by equaliser structure
- H04L2025/03439—Fixed structures
- H04L2025/03445—Time domain
- H04L2025/03471—Tapped delay lines
- H04L2025/03484—Tapped delay lines time-recursive
- H04L2025/0349—Tapped delay lines time-recursive as a feedback filter
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L25/00—Baseband systems
- H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
- H04L25/0202—Channel estimation
- H04L25/0212—Channel estimation of impulse response
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L7/00—Arrangements for synchronising receiver with transmitter
- H04L7/0054—Detection of the synchronisation error by features other than the received signal transition
- H04L7/0062—Detection of the synchronisation error by features other than the received signal transition detection of error based on data decision error, e.g. Mueller type detection
Abstract
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA002560729A CA2560729A1 (en) | 2004-04-09 | 2005-04-08 | Apparatus for and method of developing equalized values from samples of a signal received from a channel |
CN2005800122879A CN101438494B (en) | 2004-04-09 | 2005-04-08 | Apparatus for and method of developing equalized values from samples of a signal received from a channel |
MXPA06011684A MXPA06011684A (en) | 2004-04-09 | 2005-04-08 | Apparatus for and method of developing equalized values from samples of a signal received from a channel. |
US11/547,742 US8611408B2 (en) | 2004-04-09 | 2005-04-08 | Apparatus for and method of developing equalized values from samples of a signal received from a channel |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US56108504P | 2004-04-09 | 2004-04-09 | |
US60/561,085 | 2004-04-09 | ||
US60102604P | 2004-08-12 | 2004-08-12 | |
US60/601,026 | 2004-08-12 |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2005099407A2 WO2005099407A2 (en) | 2005-10-27 |
WO2005099407A3 true WO2005099407A3 (en) | 2005-12-15 |
Family
ID=35150307
Family Applications (9)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/US2005/011963 WO2005101777A1 (en) | 2004-04-09 | 2005-04-08 | Apparatus for and method of controlling a digital demodulator coupled to an equalizer |
PCT/US2005/012125 WO2005101656A1 (en) | 2004-04-09 | 2005-04-08 | Apparatus for and method of controlling the operation of an equalizer |
PCT/US2005/012056 WO2005101778A1 (en) | 2004-04-09 | 2005-04-08 | Apparatus for and method of controlling a sampling frequency of a sampling device |
PCT/US2005/011906 WO2005101652A1 (en) | 2004-04-09 | 2005-04-08 | Apparatus for and method of controlling a feedforward filter of an equalizer |
PCT/US2005/011912 WO2005101654A1 (en) | 2004-04-09 | 2005-04-08 | Apparatus for and method of controlling a feedforward filter of an equalizer |
PCT/US2005/012158 WO2005101655A1 (en) | 2004-04-09 | 2005-04-08 | Advanced digital receiver |
PCT/US2005/011907 WO2005101653A1 (en) | 2004-04-09 | 2005-04-08 | Apparatus for and method of controlling a feedforward filter of an equalizer |
PCT/US2005/012152 WO2005099407A2 (en) | 2004-04-09 | 2005-04-08 | Apparatus for and method of developing equalized values from samples of a signal received from a channel |
PCT/US2005/011909 WO2005099399A2 (en) | 2004-04-09 | 2005-04-08 | Apparatus for and method of controlling sampling frequency and sampling phase of a sampling device |
Family Applications Before (7)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/US2005/011963 WO2005101777A1 (en) | 2004-04-09 | 2005-04-08 | Apparatus for and method of controlling a digital demodulator coupled to an equalizer |
PCT/US2005/012125 WO2005101656A1 (en) | 2004-04-09 | 2005-04-08 | Apparatus for and method of controlling the operation of an equalizer |
PCT/US2005/012056 WO2005101778A1 (en) | 2004-04-09 | 2005-04-08 | Apparatus for and method of controlling a sampling frequency of a sampling device |
PCT/US2005/011906 WO2005101652A1 (en) | 2004-04-09 | 2005-04-08 | Apparatus for and method of controlling a feedforward filter of an equalizer |
PCT/US2005/011912 WO2005101654A1 (en) | 2004-04-09 | 2005-04-08 | Apparatus for and method of controlling a feedforward filter of an equalizer |
PCT/US2005/012158 WO2005101655A1 (en) | 2004-04-09 | 2005-04-08 | Advanced digital receiver |
PCT/US2005/011907 WO2005101653A1 (en) | 2004-04-09 | 2005-04-08 | Apparatus for and method of controlling a feedforward filter of an equalizer |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/US2005/011909 WO2005099399A2 (en) | 2004-04-09 | 2005-04-08 | Apparatus for and method of controlling sampling frequency and sampling phase of a sampling device |
Country Status (6)
Country | Link |
---|---|
US (8) | US8611408B2 (en) |
KR (6) | KR101170483B1 (en) |
CN (9) | CN101002384B (en) |
CA (9) | CA2560540A1 (en) |
MX (9) | MXPA06011684A (en) |
WO (9) | WO2005101777A1 (en) |
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Results of the Laboratory Evaluation of an 8MHz ADTB-T Television System for Terrestrial Broadcasting (Communication Research Centre Canada) 15 January 2003 (15.01.2003), pages 4-5 and page 8. * |
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