Inventor
HWANG CHIEN-MEEN
US34 patents
⚠️ This page may combine multiple inventors who share the name “HWANG CHIEN-MEEN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
ADVANCED MICRO DEVICES INC
18 patentsUS7184714B1Feb 27, 2007
Frequency domain estimation of IQ imbalance in a wireless OFDM direct conversion receiver using loopback connection
ADVANCED MICRO DEVICES INC53 citations94
US7324609B1Jan 29, 2008
DC offset cancellation in a direct conversion receiver configured for receiving an OFDM signal
ADVANCED MICRO DEVICES INC22 citations92
US5604464AFeb 18, 1997
Cascode operational amplifier with multiple input stage
ADVANCED MICRO DEVICES INC37 citations92
US7440392B2Oct 21, 2008
Wireless receiver deinterleaver having partitioned memory
ADVANCED MICRO DEVICES INC22 citations91
US7366255B1Apr 29, 2008
Time domain estimation of IQ imbalance in a wireless OFDM direct conversion receiver
ADVANCED MICRO DEVICES INC25 citations91
US6661849B1Dec 9, 2003
Multiple payload slicer system with prenormalization integer values
ADVANCED MICRO DEVICES INC18 citations84
US6246267B1Jun 12, 2001
Method and apparatus for detecting a sinusoidal signal using a counter and queue
ADVANCED MICRO DEVICES INC15 citations84
US7274757B1Sep 25, 2007
Autocorrelation threshold generation based on median filtering for symbol boundary detection in an OFDM receiver
ADVANCED MICRO DEVICES INC19 citations83
US7233612B1Jun 19, 2007
Wireless communication deinterleaver using multi-phase logic and cascaded deinterleaving
ADVANCED MICRO DEVICES INC16 citations82
US7251273B2Jul 31, 2007
Minimum equalization error based channel estimator
ADVANCED MICRO DEVICES INC11 citations79
US6441683B1Aug 27, 2002
Device and method for recovering frequency redundant data in a network communications receiver
ADVANCED MICRO DEVICES INC12 citations74
US6075795AJun 13, 2000
Collision detection system for multiple stations in discrete multi-tone data communications network
ADVANCED MICRO DEVICES INC11 citations73
US7248637B2Jul 24, 2007
Viterbi decoder utilizing partial backtracing
ADVANCED MICRO DEVICES INC6 citations71
US7274758B1Sep 25, 2007
Coarse frequency estimation in an OFDM receiver based on autocorrelation of accumulated samples
ADVANCED MICRO DEVICES INC6 citations63
US6252428B1Jun 26, 2001
Method and apparatus for detecting a sinusoidal signal
ADVANCED MICRO DEVICES INC4 citations62
US7885627B2Feb 8, 2011
Optimal initial gain selection for wireless receiver
ADVANCED MICRO DEVICES INC3 citations61
US7382831B1Jun 3, 2008
Viterbi decoder utilizing compressed survival metrics for reduced memory size requirements
ADVANCED MICRO DEVICES INC2 citations58
US6747973B1Jun 8, 2004
Rate negotiation algorithm
ADVANCED MICRO DEVICES INC0 citations51
LEGERITY INC
6 patentsUS6728325B1Apr 27, 2004
Method and apparatus for mixing down and spectrum folding frequency diverse modulated carrier
LEGERITY INC24 citations92
US6590893B1Jul 8, 2003
Adaptive transmission system in a network
LEGERITY INC46 citations92
US6501791B1Dec 31, 2002
Method and apparatus for allocating tones to a plurality of users in a multi-tone modem communications system
LEGERITY INC23 citations92
US6434188B1Aug 13, 2002
Differential encoding arrangement for a discrete multi-tone transmission system
LEGERITY INC39 citations92
US6498807B1Dec 24, 2002
Method and apparatus for transmitting data from a plurality of users in a multi-tone modem communications system
LEGERITY INC8 citations74
US6651078B1Nov 18, 2003
Method for determining a decimation pattern in a network communications receiver
LEGERITY INC4 citations63
LEGERITY
6 patentsUS6442173B1Aug 27, 2002
Timing recovery scheme for a discrete multitone transmission system
LEGERITY18 citations84
US6456602B1Sep 24, 2002
Method and apparatus for achieving frequency diversity by use of multiple images
LEGERITY16 citations83
US6577598B1Jun 10, 2003
Methods and apparatus for channel adaptation in a DMT based system
LEGERITY13 citations82
US6339599B1Jan 15, 2002
Collision handling scheme for discrete multi-tone data communications network
LEGERITY12 citations73
US6175316B1Jan 16, 2001
Bin-to-bin differential encoding apparatus and method for a discrete multi-tone transmission system
LEGERITY10 citations73
US6449262B1Sep 10, 2002
Method and apparatus for frequency shifting with a clock signal
LEGERITY6 citations62