TMC
2011
12 years 11 months ago
2011
— This paper establishes the equivalence between cognitive medium access and the competitive multi-armed bandit problem. First, the scenario in which a single cognitive user wish...
JSAC
2011
12 years 11 months ago
2011
Abstract—The problem of cognitive access of channels of primary users by a secondary user is considered. The transmissions of primary users are modeled as independent continuous-...
INFOCOM
2010
IEEE
13 years 2 months ago
2010
IEEE
Abstract—The queueing performance of a (secondary) cognitive user is investigated for a hierarchical network where there are N independent and identical primary users. Each prima...
CORR
2008
Springer
13 years 4 months ago
2008
Springer
A new perspective on cognitive radio is presented for the case where the primary transmission is in uncoded analog form. The basic idea is to exploit signal-to-noise ratio margins ...
ICC
2007
IEEE
13 years 8 months ago
2007
IEEE
In this paper, the problem about power control in multiuser cognitive networks is addressed. The scenario we study is a heterogeneous network, where multiple cognitive (without the...
GLOBECOM
2009
IEEE
13 years 11 months ago
2009
IEEE
— We study Bayesian detection based cognitive sensing and analyze its impact on the capacity in various cases of location information. In a network of one primary and one cogniti...