Liberty Latin America has been granted a patent for a method utilizing low-density parity-check codes (LDPC) in communication systems. The method involves creating check codes with a larger number of check operations than check bits, ensuring efficient error correction. 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 February 2024 was 75%. 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 specific modulo-2 sums across ranks, columns, and rows. The decoder then utilizes the LDPC for error correction in a communication system. The patent also details the arrangement of basic bits in the matrix, the calculation of check bits along paths through the matrix, and the inclusion of additional check bits for specific positions within the matrix.
Furthermore, the patent extends the method to a four-dimensional matrix, where coded bits are positioned and check bits are calculated across files, ranks, columns, and rows. The decoder continues to perform error correction based on the LDPC in this expanded matrix structure. The system described in the patent includes an encoder, a decoder, and additional components like modulators and antennas for converting and transmitting the information bits and check bits. The patent emphasizes the specific arrangements and calculations involved in creating LDPCs in both three-dimensional and four-dimensional matrices, highlighting the complexity and precision required for efficient 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.
