Inventor
HEEGARD CHRIS
US24 patents
⚠️ This page may combine multiple inventors who share the name “HEEGARD CHRIS”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TEXAS INSTRUMENTS INC
9 patentsUS7227949B2Jun 5, 2007
Separate self-synchronizing packet-based scrambler having replay variation
TEXAS INSTRUMENTS INC51 citations92
US6823488B1Nov 23, 2004
Packet binary convolutional codes
TEXAS INSTRUMENTS INC20 citations92
US6782046B1Aug 24, 2004
Decision-directed adaptation for coded modulation
TEXAS INSTRUMENTS INC25 citations90
US7113556B1Sep 26, 2006
Reliable decision directed adaptation in a communication system employing forward error control
TEXAS INSTRUMENTS INC12 citations83
US6961392B2Nov 1, 2005
Joint equalization and decoding using a search-based decoding algorithm
TEXAS INSTRUMENTS INC10 citations74
US7505526B2Mar 17, 2009
Methods and apparatus for self-inverting turbo code interleaving with high separation and dispersion
TEXAS INSTRUMENTS INC5 citations72
US6993095B2Jan 31, 2006
Phase-locked loop initialization via curve-fitting
TEXAS INSTRUMENTS INC4 citations59
US7184412B2Feb 27, 2007
Method of increasing data rate in a wireless data communication network via clock switching
TEXAS INSTRUMENTS INC0 citations52
US7508877B2Mar 24, 2009
Methods and apparatus for self-inverting turbo code interleaving with high separation and dispersion
TEXAS INSTRUMENTS INC0 citations51
GEN INSTRUMENT CORP
6 patentsUS5233629AAug 3, 1993
Method and apparatus for communicating digital data using trellis coded qam
GEN INSTRUMENT CORP140 citations99
US5321725AJun 14, 1994
Method and apparatus for communicating digital information such as compressed video using treillis coded QAM
GEN INSTRUMENT CORP190 citations98
US5511082AApr 23, 1996
Punctured convolutional encoder
GEN INSTRUMENT CORP162 citations97
US5745522AApr 28, 1998
Randomizer for byte-wise scrambling of data
GEN INSTRUMENT CORP63 citations96
US5703887ADec 30, 1997
Synchronization and error detection in a packetized data stream
GEN INSTRUMENT CORP82 citations92
US5621761AApr 15, 1997
Rotationally invariant trellis coding incorporating transparent binary convolutional codes
GEN INSTRUMENT CORP43 citations92