Inventor
LAI YHEAN-SEN
US33 patents
⚠️ This page may combine multiple inventors who share the name “LAI YHEAN-SEN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
AGERE SYSTEMS INC
22 patentsUS6678318B1Jan 13, 2004
Method and apparatus for time-domain equalization in discrete multitone transceivers
AGERE SYSTEMS INC199 citations99
US6570917B1May 27, 2003
Equalizer training in the presence of network impairment
AGERE SYSTEMS INC31 citations91
US7881365B2Feb 1, 2011
Demodulator with configurable adaptive equalizer
AGERE SYSTEMS INC10 citations84
US7809343B2Oct 5, 2010
Multi-channel receiver with improved AGC
AGERE SYSTEMS INC12 citations84
US7359690B2Apr 15, 2008
Single path front end with digital AGC in SDARS system
AGERE SYSTEMS INC14 citations84
US7277493B2Oct 2, 2007
Equalization in orthogonal frequency domain multiplexing
AGERE SYSTEMS INC13 citations84
US7697911B2Apr 13, 2010
Single path architecture with digital automatic gain control for SDARS receivers
AGERE SYSTEMS INC12 citations83
US7003100B2Feb 21, 2006
Modem with enhanced echo canceler
AGERE SYSTEMS INC13 citations83
US6772022B1Aug 3, 2004
Methods and apparatus for providing sample rate conversion between CD and DAT
AGERE SYSTEMS INC14 citations83
US6600780B1Jul 29, 2003
Apparatus and method for adapting a filter of an analog modem
AGERE SYSTEMS INC13 citations83
US6526429B1Feb 25, 2003
Method for designing all pass digital filters
AGERE SYSTEMS INC14 citations83
US7978773B2Jul 12, 2011
Multi-channel receiver with improved AGC
AGERE SYSTEMS INC6 citations74
US7042969B2May 9, 2006
Method and apparatus for frame alignment in discrete multitone transceivers
AGERE SYSTEMS INC7 citations74
US6704355B1Mar 9, 2004
Method and apparatus to enhance timing recovery during level learning in a data communication system
AGERE SYSTEMS INC10 citations74
US7003027B2Feb 21, 2006
Efficient PCM modem
AGERE SYSTEMS INC10 citations73
US6771695B1Aug 3, 2004
Low-complexity DMT transceiver
AGERE SYSTEMS INC9 citations73
US7769357B2Aug 3, 2010
Multi-channel receiver with improved AGC
AGERE SYSTEMS INC4 citations63
US7643812B2Jan 5, 2010
Method and apparatus for a single-path enhanced-algorithm digital automatic gain control integrated receiver with power management and XM interference enhancement
AGERE SYSTEMS INC3 citations63
US6987782B2Jan 17, 2006
Method and apparatus for detecting robbed bit location in PCM modems and the like
AGERE SYSTEMS INC2 citations63
US7852133B2Dec 14, 2010
Phase-locked loop (PLL) having extended tracking range
AGERE SYSTEMS INC0 citations52
US6721287B1Apr 13, 2004
Far echo canceller for PCM modems
AGERE SYSTEMS INC1 citations51
US7639769B2Dec 29, 2009
Method and apparatus for providing synchronization in a communication system
AGERE SYSTEMS INC1 citations50
AGERE SYST GUARDIAN CORP
5 patentsUS6240128B1May 29, 2001
Enhanced echo canceler
AGERE SYST GUARDIAN CORP66 citations96
US6459729B1Oct 1, 2002
Method and apparatus for improved channel equalization and level learning in a data communication system
AGERE SYST GUARDIAN CORP8 citations74
US6366591B1Apr 2, 2002
Technique for treating channel impairments involving measuring a digital loss in transmitted signals in data communications
AGERE SYST GUARDIAN CORP10 citations74
US6370124B1Apr 9, 2002
Technique for treating channel impairments including a digital loss in transmitted signals in data communications
AGERE SYST GUARDIAN CORP2 citations63
US6266382B1Jul 24, 2001
Technique for detecting and treating robbed bit signaling in data communications
AGERE SYST GUARDIAN CORP4 citations63
LUCENT TECHNOLOGIES INC
3 patentsUS6185250B1Feb 6, 2001
Training of level learning modems
LUCENT TECHNOLOGIES INC32 citations91
US6594715B1Jul 15, 2003
Method and apparatus for interfacing asymmetric digital subscriber lines to a codec
LUCENT TECHNOLOGIES INC7 citations74
US6118813ASep 12, 2000
Technique for effectively treating robbed bit signaling in data communcations
LUCENT TECHNOLOGIES INC15 citations74