943 search results - page 75 / 189 » Compressed channel sensing |
ICIP
2007
IEEE
14 years 10 months ago
2007
IEEE
We propose a method for delivering error-resilient video from wireless camera networks in a distributed fashion over lossy channels. Our scheme is based on distributed source codi...
JSAC
2011
13 years 3 months ago
2011
— We investigate spectrum sensing by energy detection based on two different objective functions: a Bayesian sensing cost or the network weighted sum capacity. The Bayesian cost ...
GLOBECOM
2007
IEEE
14 years 23 days ago
2007
IEEE
We design opportunistic spectrum access strategies for improving spectrum efficiency. In each slot, a secondary user chooses a subset of channels to sense and decides whether to ac...
SECON
2007
IEEE
14 years 3 months ago
2007
IEEE
Abstract—We analyze the carrier sensing and interference relations between the two wireless links and measure the impact of these relations on link capacity in two indoor 802.11a...
TWC
2010
13 years 3 months ago
2010
In this paper, we consider the problem of spectrum sensing by using multiple antenna in cognitive radios when the noise and the primary user signal are assumed as independent compl...