170 search results - page 16 / 34 » Cognitive Transmissions with Multiple Relays in Cognitive Ra... |
JSAC
2011
14 years 3 months ago
2011
— In cognitive radio networks (CRNs), effective and efficient channel exploitation is imperative for unlicensed secondary users to seize available network resources and improve ...
WIOPT
2010
IEEE
14 years 7 months ago
2010
IEEE
In this paper, we propose a comprehensive probabilistic framework which can be used to model and analyze cognitive radio (CR) network using carrier sensing (CS) based multiple acc...
INFOCOM
2010
IEEE
14 years 8 months ago
2010
IEEE
Abstract—We consider a cognitive radio network where multiple secondary users (SUs) contend for spectrum usage, using random access, over available primary user (PU) channels. Ou...
ICASSP
2011
IEEE
14 years 1 months ago
2011
IEEE
This article provides a central limit theorem for a consistent estimator of the population eigenvalues of a class of sample covariance matrices. An exact expression as well as an ...
INFOCOM
2012
IEEE
12 years 12 months ago
2012
IEEE
—We study the capacity and delay scaling laws for cognitive radio network (CRN) with static primary users and heterogeneous mobile secondary users coexisting in the unit planar a...