159 search results - page 16 / 32 » Optimization of OFDMA-Based Cellular Cognitive Radio Network... |
167
Voted
TSP
2010
14 years 10 months ago
2010
We consider decentralized multiantenna cognitive radio networks where the secondary (cognitive) users are granted simultaneous spectrum access along with the license-holding (prima...
152
Voted
JSAC
2008
15 years 3 months ago
2008
A cognitive radio (CR) network is often described as a secondary network operating in a frequency band originally licensed/allocated to a primary network consisting of one or multi...
151
Voted
CORR
2007
Springer
15 years 3 months ago
2007
Springer
—In cognitive radio (CR) networks, there are scenarios where the secondary (lower priority) users intend to communicate with each other by opportunistically utilizing the transmi...
151
Voted
INFOCOM
2011
IEEE
14 years 7 months ago
2011
IEEE
Abstract—Market-based mechanisms offer promising approaches for spectrum access in cognitive radio networks. In this paper, we focus on two market models, one with a monopoly pri...
136
Voted
GLOBECOM
2008
IEEE
15 years 10 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...