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Class Information
Number: 370/292
Name: Multiplex communications > Duplex > Transmit/receive interaction control > Echo suppression or cancellation > Using a training sequence
Description: Subject matter wherein a particular information signal is communicated to teach an echo canceler or suppressor how to cancel or suppress an echo.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7369516 |
Adaptive echo canceling |
May. 6, 2008 |
| 7366475 |
Signal strength measurements in cellular telecommunication systems |
Apr. 29, 2008 |
| 7349482 |
Echo canceller of ADSL system and training method thereof |
Mar. 25, 2008 |
| 7299067 |
Methods and systems for managing the provision of training provided remotely through electronic data networks to users of remote electronic devices |
Nov. 20, 2007 |
| 7239660 |
Adaptive filter with GSPT LMS algorithm for reducing complexity |
Jul. 3, 2007 |
| 7133442 |
Rapid identification of transmission media channel characteristics |
Nov. 7, 2006 |
| 7133906 |
System and method for remotely configuring testing laboratories |
Nov. 7, 2006 |
| 7058730 |
Unique address space and method for a transport network |
Jun. 6, 2006 |
| 7023812 |
System and method for improving modem transmission through private branch exchanges, central offices, and other systems |
Apr. 4, 2006 |
| 7020068 |
Echo and crosstalk cancellation |
Mar. 28, 2006 |
| 7002897 |
Multiple channel interference cancellation |
Feb. 21, 2006 |
| 6987752 |
Method and apparatus for frequency offset estimation and interleaver synchronization using periodic signature sequences |
Jan. 17, 2006 |
| 6987782 |
Method and apparatus for detecting robbed bit location in PCM modems and the like |
Jan. 17, 2006 |
| 6931054 |
Method for estimating channel parameters of radio channels of a W-CDMA mobile radio system |
Aug. 16, 2005 |
| 6928110 |
Adaptive equalizer training circuit, modem apparatus and communication apparatus |
Aug. 9, 2005 |
| 6920115 |
Time-division multiplex radio communication method, transmitter and receiver for implementing such method |
Jul. 19, 2005 |
| 6920219 |
Method and apparatus for providing echo cancellation |
Jul. 19, 2005 |
| 6792038 |
Startup protocol for high throughput communications systems |
Sep. 14, 2004 |
| 6771591 |
Method and system for processing orthogonal frequency division multiplexed signals |
Aug. 3, 2004 |
| 6760368 |
Fast retraining method, apparatus, and storage medium in an xDSL transceiver |
Jul. 6, 2004 |
| 6725066 |
Method of cancelling echoes in a telecommunications system and an echo canceller for the execution of the method |
Apr. 20, 2004 |
| 6693957 |
Adaptive front end for discrete multitone modem |
Feb. 17, 2004 |
| 6650627 |
Tone detection in communication networks |
Nov. 18, 2003 |
| 6650617 |
Reduced complexity FFT window synchronization for an orthogonal frequency division multiplexing system |
Nov. 18, 2003 |
| 6628704 |
Equalizer training for ADSL transceivers under TCM-ISDN crosstalk environment |
Sep. 30, 2003 |
| 6590976 |
Two-step algorithm for training an echo cancellation filter |
Jul. 8, 2003 |
| 6560321 |
Method and apparatus for quick startup in a half-duplex modem system |
May. 6, 2003 |
| 6535552 |
Fast training of equalizers in discrete multi-tone (DMT) systems |
Mar. 18, 2003 |
| 6484209 |
Efficient path based forwarding and multicast forwarding |
Nov. 19, 2002 |
| 6421326 |
Wireless communications system and method |
Jul. 16, 2002 |
| 6370124 |
Technique for treating channel impairments including a digital loss in transmitted signals in data communications |
Apr. 9, 2002 |
| RE37569 |
High-speed modem synchronized to a remote codec |
Mar. 5, 2002 |
| 6347223 |
Method and receiver for data transmission |
Feb. 12, 2002 |
| 6317419 |
Method and apparatus for training an echo canceler in a PCM modem context |
Nov. 13, 2001 |
| 6307883 |
Apparatus, method and system for wireless communication |
Oct. 23, 2001 |
| 6212225 |
Startup protocol for high throughput communications systems |
Apr. 3, 2001 |
| 6147979 |
System and method for echo cancellation in a communication system |
Nov. 14, 2000 |
| 6094461 |
Data transmission |
Jul. 25, 2000 |
| 6094422 |
Echo canceller touch-up period in an echo-cancelling modem |
Jul. 25, 2000 |
| 6084862 |
Time dispersion measurement in radio communications systems |
Jul. 4, 2000 |
| 6072782 |
Efficient echo cancellation for DMT MDSL |
Jun. 6, 2000 |
| 6064733 |
Echo canceller apparatus |
May. 16, 2000 |
| 6002716 |
Equalizer with extended channel estimation for a receiver in a digital transmission system |
Dec. 14, 1999 |
| 5917856 |
Method for establishing a PAM signal connection using a training sequence |
Jun. 29, 1999 |
| 5909426 |
Orthogonal LMS algorithms for fast line echo canceler training |
Jun. 1, 1999 |
| 5892757 |
Asymmetric duplex modem utilizing narrow band echo cancellation |
Apr. 6, 1999 |
| 5835486 |
Multi-channel transcoder rate adapter having low delay and integral echo cancellation |
Nov. 10, 1998 |
| 5828657 |
Half-duplex echo canceler training using a pilot signal |
Oct. 27, 1998 |
| 5825753 |
Echo canceler gain tracker for cellular modems |
Oct. 20, 1998 |
| 5812537 |
Echo canceling method and apparatus for data over cellular |
Sep. 22, 1998 |
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