Inventor
ASHLEY JONATHAN JAMES
US15 patents
⚠️ This page may combine multiple inventors who share the name “ASHLEY JONATHAN JAMES”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
AGERE SYSTEMS INC
7 patentsUS7646829B2Jan 12, 2010
Composite data detector and a method for detecting data
AGERE SYSTEMS INC87 citations95
US7487432B2Feb 3, 2009
Method and apparatus for multiple step Viterbi detection with local feedback
AGERE SYSTEMS INC15 citations84
US7607072B2Oct 20, 2009
Method and apparatus for-soft-output viterbi detection using a multiple-step trellis
AGERE SYSTEMS INC9 citations82
US7516394B2Apr 7, 2009
Method and apparatus for combined encoder/syndrome computer with programmable parity level
AGERE SYSTEMS INC11 citations82
US7865814B2Jan 4, 2011
Path metric difference computation unit for computing path differences through a multiple-step trellis
AGERE SYSTEMS INC1 citations61
US7561649B2Jul 14, 2009
Method and apparatus for synchronization mark detection with DC compensation
AGERE SYSTEMS INC6 citations59
US7937649B2May 3, 2011
Reliability unit for determining a reliability value for at least one bit decision
AGERE SYSTEMS INC0 citations50
IBM
5 patentsUS6016330AJan 18, 2000
Encoding and detection of balanced codes
IBM31 citations91
US5907581AMay 25, 1999
Two-dimensional low-pass filtering code apparatus and method
IBM26 citations91
US5969649AOct 19, 1999
Run length limited encoding/decoding with robust resync
IBM40 citations90
US6141783AOct 31, 2000
Error propagation limiting encoder/decoder for multilevel decision feedback equalization
IBM11 citations73
US5946354AAug 31, 1999
Hard disk drive read channel with half speed timing
IBM4 citations61
ASHLEY JONATHAN JAMES
2 patentsUS8407571B2Mar 26, 2013
Methods and apparatus for processing a received signal using a multiple-step trellis and selection signals for multiple trellis paths
ASHLEY JONATHAN JAMES3 citations58
US8223827B2Jul 17, 2012
Method and apparatus for generating filter tap weights and biases for signal dependent branch metric computation
ASHLEY JONATHAN JAMES0 citations42