92 search results - page 10 / 19 » An Optimal Strategy for Cooperative Spectrum Sensing in Cogn... |
VTC
2008
IEEE
14 years 4 months ago
2008
IEEE
This paper considers a scenario in which a secondary user makes opportunistic use of a channel allocated to some primary network. The primary network operates in a time-slotted ma...
ICC
2007
IEEE
14 years 4 months ago
2007
IEEE
With the advent of cognitive radio technology, new paradigms for spectrum access can achieve near-optimal spectrum utilisation by letting each user sense and utilise available s...
GLOBECOM
2008
IEEE
14 years 4 months ago
2008
IEEE
—In order to fully utilize spectrum, auction-based dynamic spectrum allocation has become a promising approach which allows unlicensed wireless users to lease unused bands from s...
GLOBECOM
2007
IEEE
14 years 4 months ago
2007
IEEE
We consider a cognitive radio system where the secondary transmitter varies its transmit power based on all the information available from the spectrum sensor. The operation of th...
JSAC
2011
13 years 5 months ago
2011
—We consider a wireless cognitive radio network in which a set of secondary users (SUs) opportunistically utilize the wireless spectrum licensed to the primary users (PUs) to tra...