73 search results - page 2 / 15 » Low density codes achieve the rate-distortion bound |
SIAMDM
2008
13 years 7 months ago
2008
Ensembles of regular low-density parity-check codes over any finite Abelian group G are studied. The nonzero entries of the parity matrix are randomly chosen, independently and uni...
ICIP
1995
IEEE
14 years 8 months ago
1995
IEEE
A fixed-rate lattice vector quantizer for generalized Gaussian (GG) sources is presented. By using the contour of counstant probability of a generalized Gaussian source to bound t...
ASPDAC
2007
ACM
13 years 11 months ago
2007
ACM
- This paper presents a real time programmable irregular Low Density Parity Check (LDPC) Encoder as specified in the IEEE P802.16E/D7 standard. The encoder is programmable for fram...
FCCM
2004
IEEE
13 years 11 months ago
2004
IEEE
We describe a flexible hardware encoder for regular and irregular low-density parity-check (LDPC) codes. Although LDPC codes achieve achieve better performance and lower decoding ...
VTC
2007
IEEE
14 years 1 months ago
2007
IEEE
– Luby Transform codes (LT) were originally designed for the Binary Erasure Channel (BEC) encountered owing to randomly dropped packets in the statistical multiplexing aided Inte...