Method and apparatus for shortening the critical path of reduced complexity sequence estimation techniques
K Azadet, EF Haratsch - US Patent 6,999,521, 2006 - Google Patents
A method and apparatus are disclosed for improving the processing time of reduced
complexity sequence estimation techniques, such as reduced state sequence estimation …
complexity sequence estimation techniques, such as reduced state sequence estimation …
Method and apparatus for multiple step Viterbi detection with local feedback
JJ Ashley, EF Haratsch - US Patent 7,487,432, 2009 - Google Patents
A reduced-state Viterbi detector is disclosed that precomputes branch metrics for a multiple-
step trellis for speculative sequences of one or more channel symbols; selects one of said …
step trellis for speculative sequences of one or more channel symbols; selects one of said …
Pipelined decision-feedback unit in a reduced-state viterbi detector with local feedback
EF Haratsch - US Patent 7,656,959, 2010 - Google Patents
A pipelined decision feedback unit (DFU) is disclosed for use in reduced-state Viterbi
detectors with local feedback. The disclosed pipelined decision feedback unit improves the …
detectors with local feedback. The disclosed pipelined decision feedback unit improves the …
Hybrid memory architecture for reduced state sequence estimation (RSSE) techniques
K Azadet, EF Haratsch - US Patent 7,499,498, 2009 - Google Patents
A method and apparatus are disclosed for improving the processing time of reduced
complexity sequence estimation techniques, such as reduced state sequence estimation …
complexity sequence estimation techniques, such as reduced state sequence estimation …
Method and apparatus for precomputation and pipelined selection of branch metrics in a reduced-state Viterbi detector
EF Haratsch - US Patent 7,380,199, 2008 - Google Patents
US7380199B2 - Method and apparatus for precomputation and pipelined selection of branch
metrics in a reduced-state Viterbi detector - Google Patents US7380199B2 - Method and …
metrics in a reduced-state Viterbi detector - Google Patents US7380199B2 - Method and …
Method and apparatus for reduced-state viterbi detection in a read channel of a magnetic recording system
EF Haratsch - US Patent 7,702,991, 2010 - Google Patents
A method and apparatus are disclosed for improving the maximum data rate of reduced-
state Viterbi detectors with local feedback in magnetic recording systems. A read channel …
state Viterbi detectors with local feedback in magnetic recording systems. A read channel …
Method and apparatus for precomputation and pipelined selection of intersymbol interference estimates in a reduced-state Viterbi detector
EF Haratsch - US Patent 7,653,154, 2010 - Google Patents
A method and apparatus are disclosed for improving the maximum data rate of reduced-
state Viterbi detectors with local feedback. The maximum data rate that may be achieved by …
state Viterbi detectors with local feedback. The maximum data rate that may be achieved by …
Method and apparatus for precomputation and pipelined selection of branch metrics in a reduced state Viterbi detector
EF Haratsch - US Patent 7,653,868, 2010 - Google Patents
A method and apparatus are disclosed for improving the maximum data rate of reduced-
state Viterbi detectors with local feedback. The maximum data rate that may be achieved by …
state Viterbi detectors with local feedback. The maximum data rate that may be achieved by …
Method and apparatus for reduced-state Viterbi detection in a read channel of a magnetic recording system
E Haratsch - US Patent App. 10/853,090, 2005 - Google Patents
A method and apparatus are disclosed for improving the maximum data rate of reduced-
state Viterbi detectors with local feedback in magnetic recording systems. A read channel …
state Viterbi detectors with local feedback in magnetic recording systems. A read channel …
Differential FM detector for radio receivers
JPF Glas - US Patent 6,546,237, 2003 - Google Patents
A differential FM detection of signals uses in-phase and quadrature phase signal
components of a received signal in the detection process, wherein the in-phase and …
components of a received signal in the detection process, wherein the in-phase and …