Capacity Approaching Low-Rate LDGM Codes

Abstract——We study the ability of low-rate SeriallyConcatenated Low Density Generator Matrix (SCLDGM) codes to approach theoretical limits. Although two layer SCLDGM codes approach capacity for medium rates (0.25 <

• Type: Journal
• Year: 2011
• Where: TCOM
• Authors: Francisco J. Vázquez-Araújo, Miguel González-López, Luis Castedo, Javier Garcia-Frias
• Keywords: Approach Capacity, Density Generator Matrix, Substantial Performance Improvements, TCOM 2011