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ICASSP
2011
IEEE
14 years 3 months ago
Reconfigurable decoder architectures for Raptor codes
Decoder architectures for architecture-aware Raptor codes having regular message access-and-processing patterns are presented. Raptor codes are a class of concatenated codes compo...
Hady Zeineddine, Mohammad M. Mansour
TIT
2008
122views more  TIT 2008»
14 years 11 months ago
An Efficient Pseudocodeword Search Algorithm for Linear Programming Decoding of LDPC Codes
Abstract--In linear programming (LP) decoding of a low-density parity-check (LDPC) code one minimizes a linear functional, with coefficients related to log-likelihood ratios, over ...
Michael Chertkov, Mikhail G. Stepanov
TCOM
2010
83views more  TCOM 2010»
14 years 6 months ago
Early-Elimination Modification for Priority-First Search Decoding
Abstract--In order to release the growing demand for computational complexity with respect to increasing information sequence length in the priority-first search decoding algorithm...
Shin-Lin Shieh, Po-Ning Chen, Yunghsiang S. Han, T...
CORR
2010
Springer
225views Education» more  CORR 2010»
14 years 11 months ago
Sensing Matrix Optimization for Block-Sparse Decoding
Recent work has demonstrated that using a carefully designed sensing matrix rather than a random one, can improve the performance of compressed sensing. In particular, a welldesign...
Kevin Rosenblum, Lihi Zelnik-Manor, Yonina C. Elda...
TC
2008
14 years 11 months ago
Analysis of Mask-Based Nanowire Decoders
Stochastically assembled nanoscale architectures have the potential to achieve device densities 100 times greater than today's CMOS. A key challenge facing nanotechnologies is...
Eric Rachlin, John E. Savage