Implementación de la codificación y decodificación del código LDPC (Low Density Parity Check) en MATLAB

Abstract

LDPC (Low Density Parity Check) codes were invented by Robert G. Gallager in 1963. These codes were forgotten because of the complexity of their implementation in the limited technology of the time. Later in 1996 they were reinvented by David MacKay and Radford Neal. In recent years, LDPC codes have been studied again and due to the technological advances. LDPC have begun to be used in the standards of communication because of its high yield approaching to the limit of Shannon of the channel. Within the world-wide communications, LDPC code is relatively new in its application. In the present, LDPC are presented in several technologies like 10GBASE-T, IEEE802.11n (optional), IEEE802.11ac, and in technologies of digital television transmitted by satellite.