Improved Constructions of Low-Density Parity-Check Codes
Aiden Price
Abstract
There is an ongoing need to improve the efficiency and error-correcting performance of error correcting codes, which are widely used to enhance accuracy when retrieving or communicating information. This research investigates several potential improvements to a high-performing class of error correcting codes known as low-density parity-check (LDPC) codes. The results presented here further the known literature surrounding a specific class of functions (Alltop functions). Additionally, this work demonstrates ways of manipulating existing LDPC code constructions using relaxed difference sets to provide constructions with far more flexible code parameters. These constructions have competitive performance when compared to relevant modern codes.