104 search results - page 14 / 21 » Sensing-based opportunistic channel access |
JCM
2006
13 years 9 months ago
2006
Spectrum regulation will undergo elementary changes in the near future allowing a less restricted and more flexible access to radio spectrum. Intelligent radios, socalled cognitive...
CORR
2007
Springer
13 years 9 months ago
2007
Springer
—This paper considers the design of efficient strategies that allow cognitive users to choose frequency bands to sense and access among multiple bands with unknown parameters. F...
GLOBECOM
2010
IEEE
13 years 7 months ago
2010
IEEE
Abstract--Wireless networks, especially mobile ad hoc networks (MANET) and cognitive radio networks (CRN), are facing two new challenges beyond traditional random network model: op...
TCOM
2008
13 years 9 months ago
2008
We consider the problem of differentiated rate scheduling for the downlink (i.e., multi-antenna broadcast channel), in the sense that the rates required by different users must sat...
TSP
2012
12 years 5 months ago
2012
—In a cognitive radio network, opportunistic spectrum access (OSA) to the underutilized spectrum involves not only sensing the spectrum occupancy but also probing the channel qua...