73 search results - page 6 / 15 » Low density codes achieve the rate-distortion bound |
VLSID
2006
IEEE
15 years 3 months ago
2006
IEEE
Low density parity check (LDPC) codes are one of the most powerful error correcting codes known. Recent research have pointed out their potential for a low cost, low latency hardw...
CORR
2010
Springer
14 years 9 months ago
2010
Springer
Abstract--A multiple access channel and a point-to-point channel sharing the same medium for communications are considered. We obtain an outer bound for the capacity region of this...
DAGSTUHL
2006
14 years 11 months ago
2006
This paper presents the optimal compression for sequences with undefined values. Let we have (N -m) undefined and m defined positions in the boolean sequence V of length N. The se...
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ISLPED
2009
ACM
15 years 4 months ago
2009
ACM
Extreme technology integration in the sub-micron regime comes with a rapid rise in heat dissipation and power density for modern processors. Dynamic voltage scaling is a widely us...
ICC
2007
IEEE
15 years 4 months ago
2007
IEEE
—In this paper the Cramér-Rao lower bound (CRLB) of an ultra-wideband (UWB) pulse amplitude modulated (PAM) signal with time hopping (TH) code is derived for the practical case ...