12 search results - page 1 / 3 » Achieving the rate-distortion bound with low-density generat... |
CORR
2008
Springer
13 years 5 months ago
2008
Springer
Abstract-- We analyze the performance of low-density generator matrix (LDGM) codes for lossy source coding. We first develop a generic technique for deriving lower bounds on the ef...
ASPDAC
2007
ACM
13 years 9 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...
TCOM
2010
12 years 11 months ago
2010
It is shown that binary low-density generator matrix codes can achieve the rate-distortion bound of discrete memoryless sources with general distortion measure via multilevel quant...
CORR
2006
Springer
13 years 5 months ago
2006
Springer
We describe and analyze sparse graphical code constructions for the problems of source coding with decoder side information (the Wyner-Ziv problem), and channel coding with encoder...
ASAP
2006
IEEE
13 years 8 months ago
2006
IEEE
Low Density Parity Check (LDPC) codes are one of the best error correcting codes that enable the future generations of wireless devices to achieve higher data rates. This paper pr...