5 search results - page 1 / 1 » Spectral entropy-based bit allocation |
ISITA
2010
13 years 2 months ago
2010
In transform-based compression schemes, the task of choosing, quantizing, and coding the coefficients that best represent a signal is of prime importance. As a step in this directi...
ESTIMEDIA
2004
Springer
13 years 8 months ago
2004
Springer
This paper presents a new adaptive scheme to reduce the computation energy of the discrete cosine transform (DCT) architecture for image/video coding. The scheme employs the noise ...
ICHIT
2009
Springer
13 years 11 months ago
2009
Springer
In this paper we provide an adaptive modulation approach that uses adaptive pilot symbols which both pilot spacing and power allocation on pilot symbols are optimized in single in...
CORR
2008
Springer
13 years 4 months ago
2008
Springer
Abstract--Discrete multitone modulation (DMT) systems exploit the capabilities of orthogonal subcarriers to cope efficiently with narrowband interference, high frequency attenuatio...
JSAC
2006
13 years 4 months ago
2006
Abstract--In this paper, we investigate the dynamic resource allocation adapted to spread-spectrum multicarrier multiple-access (SS-MC-MA) systems in a multiuser power line communi...