Liberty Latin America has been granted a patent for check codes, including low-density parity-check codes (LDPC codes), with a method involving encoder and decoder to position coded bits in a matrix and perform error correction in communication systems. GlobalData’s report on Liberty Latin America gives a 360-degree view of the company including its patenting strategy. Buy the report here.
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According to GlobalData’s company profile on Liberty Latin America, was a key innovation area identified from patents. Liberty Latin America's grant share as of April 2024 was 76%. Grant share is based on the ratio of number of grants to total number of patents.
Patent granted for creating ldpc codes for error correction
A recently granted patent (Publication Number: US11916667B1) discloses a method for creating a low-density parity-check code (LDPC) using an encoder and a decoder. The method involves positioning coded bits, including information bits, constant bits, and check bits, in a three-dimensional matrix and calculating the check bits to ensure a modulo-2 sum across various combinations of ranks, columns, and rows is 0. The decoder, based on the LDPC, performs error correction in a communication system. The patent also describes a four-dimensional matrix implementation of the LDPC creation method, where check bits are calculated across files, ranks, columns, and rows to achieve error correction in a communication system.
Furthermore, the patent details the arrangement of basic bits in the matrices, including information bits, constant bits, and additional check bits, in specific patterns to facilitate error correction. The method involves calculating check bits along paths through the matrix, ensuring each bit in the path has unique ranks, columns, and rows. The patent also covers scenarios where certain positions in the matrix are not associated with information bits, requiring the calculation of check bits using diagonal patterns of ranks, columns, and rows. The system described in the patent includes an encoder, decoder, and modulator to convert information bits and check bits into analog baseband waveforms for transmission, showcasing a comprehensive approach to LDPC implementation for error correction in communication systems.
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GlobalData Patent Analytics tracks bibliographic data, legal events data, point in time patent ownerships, and backward and forward citations from global patenting offices. Textual analysis and official patent classifications are used to group patents into key thematic areas and link them to specific companies across the world’s largest industries.
