260 search results - page 33 / 52 » Compressed Sensing of Analog Signals |
TIT
2002
13 years 9 months ago
2002
This paper provides a mathematical analysis of transform compression in its relationship to linear and nonlinear approximation theory. Contrasting linear and nonlinear approximatio...
CORR
2008
Springer
13 years 10 months ago
2008
Springer
In this note, we address the theoretical properties of p, a class of compressed sensing decoders that rely on p minimization with p (0, 1) to recover estimates of sparse and compr...
ICASSP
2010
IEEE
13 years 10 months ago
2010
IEEE
One of the key problems in cognitive radio (CR) is the detection of primary activity in order to determine which parts of the spectrum are available for opportunistic access. This...
VTC
2010
IEEE
13 years 7 months ago
2010
IEEE
Cognitive radios are devices capable of sensing a large range of frequencies in order to detect the presence of primary networks and reuse their bands when they are not occupied. D...
PERVASIVE
2004
Springer
14 years 3 months ago
2004
Springer
Abstract. This paper describesa method for establishing ad hoc and infrastructuremode wireless network connections based on physical proximity. Users can easily establish secure wi...