Low density parity check decoder for regular LDPC codes
KK Gunnam - US Patent 8,359,522, 2013 - Google Patents
613371642 B1 V2002 Yaoilleta' 2003/0081693 A1 5/2003 Raghaven etal. 1 1 g.
2003/0087634 A1 5/2003 Raghaven et a1. 613511832 B1 2/2002 We ' 2003/0112896 A1 …
2003/0087634 A1 5/2003 Raghaven et a1. 613511832 B1 2/2002 We ' 2003/0112896 A1 …
Low density parity check decoder for irregular LDPC codes
KK Gunnam - US Patent 8,418,023, 2013 - Google Patents
US8418023B2 - Low density parity check decoder for irregular LDPC codes - Google Patents
US8418023B2 - Low density parity check decoder for irregular LDPC codes - Google Patents …
US8418023B2 - Low density parity check decoder for irregular LDPC codes - Google Patents …
Adaptive calibration of noise predictive finite impulse response filter
Y Han, S Yang, F Zhang, Z Li, C Xu - US Patent 8,719,682, 2014 - Google Patents
Various embodiments of the present inventions are related to adaptive calibration of NPFIR
filters in a data detector. For example, an apparatus for calibrating a noise predictive filter is …
filters in a data detector. For example, an apparatus for calibrating a noise predictive filter is …
Low density parity check decoder
KK Gunnam - US Patent 9,112,530, 2015 - Google Patents
A method and system for decoding low density parity check (“LDPC”) codes. An LDPC
decoder includes an R select unit, a Q message first-in first-out (“FIFO”) memory, and a cyclic …
decoder includes an R select unit, a Q message first-in first-out (“FIFO”) memory, and a cyclic …
Low density parity check decoder for irregular LDPC codes
KK Gunnam - US Patent 8,555,140, 2013 - Google Patents
(57) ABSTRACT A method and system for decoding low density parity check (“LDPC) codes.
An LDPC decoder includes a control unit that controls decoder processing, the control unit …
An LDPC decoder includes a control unit that controls decoder processing, the control unit …
Servo channel with equalizer adaptation
Y Liao, X Zhang, H Xia - US Patent 9,129,647, 2015 - Google Patents
(57) ABSTRACT A servo system includes an equalizer circuit operable to filter digital servo
data samples according to filter tap coefficients to yield equalized data, a detector circuit …
data samples according to filter tap coefficients to yield equalized data, a detector circuit …
Low density parity check decoder
KK Gunnam - US Patent 10,141,950, 2018 - Google Patents
A method and system for decoding low density parity check (“LDPC”) codes. A method and
system for decoding low density parity check (“LDPC”) codes. An LDPC code decoder …
system for decoding low density parity check (“LDPC”) codes. An LDPC code decoder …
Low density parity check decoder for regular LDPC codes
KK Gunnam - US Patent 8,656,250, 2014 - Google Patents
(57) ABSTRACT A method and system for decoding low density parity check (“LDPC) codes.
An LDPC decoder includes an R select unit, a Q message first-in first-out (“FIFO) memory …
An LDPC decoder includes an R select unit, a Q message first-in first-out (“FIFO) memory …
Common mode gain trimming for amplifier
W Tan, M Garg, N Narku-tetteh - US Patent 10,027,295, 2018 - Google Patents
An electrical device (eg, an integrated circuit) includes an amplifier, a configurable common
mode gain trim circuit, and a memory. The configurable common mode gain trim circuit is …
mode gain trim circuit, and a memory. The configurable common mode gain trim circuit is …
Oversampled data processing circuit with multiple detectors
Y Liao, NR Aravind - US Patent 8,604,960, 2013 - Google Patents
US PATENT DOCUMENTS yield a second digital output, wherein the second sampling
phase is different from the first sampling phase, a first detector operable to process the first …
phase is different from the first sampling phase, a first detector operable to process the first …