Methods and apparatus for compactly describing lifted low-density parity-check (LDPC) codes

S Kudekar, TJ Richardson - US Patent 10,469,104, 2019 - Google Patents
Certain aspects of the present disclosure generally relate to techniques for compactly
describing lifted low-density parity-check (LDPC) codes. A method for wireless …

Enhanced polar code constructions by strategic placement of CRC bits

S Kudekar, T Richardson - US Patent 10,348,451, 2019 - Google Patents
Certain aspects of the present disclosure relate to techniques and apparatus for improving
decoding latency and performance of Polar codes. An exemplary method generally includes …

Communication techniques applying low-density parity-check code base graph selection

SA Patel, JB Soriaga, G Sarkis… - US Patent 10,355,822, 2019 - Google Patents
Wireless communication methods, systems, and devices capable of utilizing base graphs for
error correction techniques. A base graph can be used to derive a low-density parity-check …

High performance, flexible, and compact low-density parity-check (LDPC) code

TJ Richardson, S Kudekar - US Patent 10,291,354, 2019 - Google Patents
Certain aspects of the present disclosure generally relate to techniques for puncturing of
structured low-density parity-check (LDPC) codes. Certain aspects of the present disclosure …

Of hybrid automatic repeat request (HARQ) feedback bits for polar codes

C Xu, J Li, C Wei, J Hou - US Patent 10,291,359, 2019 - Google Patents
Certain aspects of the present disclosure relate to techniques and apparatus for design of
hybrid automatic repeat request (HARQ) feedback bits. The method generally includes …

Enhanced puncturing and low-density parity-check (LDPC) code structure

TJ Richardson, S Kudekar - US Patent 10,454,499, 2019 - Google Patents
Certain aspects of the present disclosure generally relate to techniques for enhanced
puncturing and low-density parity-check (LDPC) code structure. A method for wireless …

Enhanced polar code constructions by strategic placement of crc bits

S Kudekar, TJ Richardson - US Patent 10,644,836, 2020 - Google Patents
Certain aspects of the present disclosure relate to techniques and apparatus for improving
decoding latency and performance of Polar codes. An exemplary method generally includes …

High performance, flexible, and compact low-density parity-check (LDPC) code

TJ Richardson, S Kudekar - US Patent 11,031,953, 2021 - Google Patents
Certain aspects of the present disclosure generally relate to techniques for puncturing of
structured low-density parity-check (LDPC) codes. Certain aspects of the present disclosure …

Methods and apparatus for efficiently generating multiple lifted low-density parity-check (LDPC) codes

TJ Richardson, S Kudekar - US Patent 11,043,966, 2021 - Google Patents
Techniques and apparatus are provided for efficiently generating multiple lifted low-density
parity-check (LDPC) codes for a range of block lengths and having good performance. A …

Communication techniques involving pairwise orthogonality of adjacent rows in LPDC code

T Richardson, JB Soriaga, S Kudekar… - US Patent …, 2019 - Google Patents
Certain aspects of the present disclosure provide low-density parity-check (LDPC) codes
having pairwise orthogonality of adjacent rows, and a new decoder that exploits the pairwise …