{"id":8751,"date":"2023-09-15T01:02:32","date_gmt":"2023-09-15T01:02:32","guid":{"rendered":"https:\/\/scm.iec.cat\/?post_type=conference&#038;p=8751"},"modified":"2023-09-29T00:39:06","modified_gmt":"2023-09-29T00:39:06","slug":"tomas-ortega-sanchez-colomer","status":"publish","type":"conference","link":"https:\/\/scm.iec.cat\/eng\/conference\/tomas-ortega-sanchez-colomer\/","title":{"rendered":"2023-TFM-Tomas Ortega"},"content":{"rendered":"<h5>Abstract<\/h5>\n<p>Els codis de paritat de densitat baixa (LDPC, per Low Density Parity Check codes)\u00a0 van ser descoberts per Robert Gallager l&#8217;any 1963, per\u00f2 van ser abandonats pel seu cost computacional, que aleshores es considerava massa alt. Durant els anys vuitanta es van reprendre, gr\u00e0cies en part a la teoria de grafs expansors, que va permetre construir codis LDPC que es poden codificar i descodificar en temps lineal. Avui en dia els codis LDPC es troben en la majoria dels sistemes de comunicaci\u00f3 digital que fem servir di\u00e0riament (WiFi, 5G, televisi\u00f3 digital per sat\u00e8l\u00b7lit, etc.). Aquesta xerrada parlar\u00e0 sobre el recorregut dels codis LDPC des dels seus or\u00edgens, passant per teoria de grafs expansors, a les aplicacions pr\u00e0ctiques d&#8217;avui en dia.<\/p>","protected":false},"featured_media":0,"parent":0,"template":"","categoria_sessions_conferences":[141],"class_list":["post-8751","conference","type-conference","status-publish","hentry","categoria_sessions_conferences-1a-jornada-tfm-2023"],"acf":[],"_links":{"self":[{"href":"https:\/\/scm.iec.cat\/eng\/wp-json\/wp\/v2\/conference\/8751","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/scm.iec.cat\/eng\/wp-json\/wp\/v2\/conference"}],"about":[{"href":"https:\/\/scm.iec.cat\/eng\/wp-json\/wp\/v2\/types\/conference"}],"wp:attachment":[{"href":"https:\/\/scm.iec.cat\/eng\/wp-json\/wp\/v2\/media?parent=8751"}],"wp:term":[{"taxonomy":"categoria_sessions_conferences","embeddable":true,"href":"https:\/\/scm.iec.cat\/eng\/wp-json\/wp\/v2\/categoria_sessions_conferences?post=8751"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}