23 search results - page 2 / 5 » Modeling and analysis of interference in Listen-Before-Talk ... |
CORR
2008
Springer
13 years 5 months ago
2008
Springer
We study the problem of dynamic spectrum sensing and access in cognitive radio systems as a partially observed Markov decision process (POMDP). A group of cognitive users cooperati...
WCNC
2010
IEEE
13 years 4 months ago
2010
IEEE
—In this paper, we present an interference model for cognitive radio (CR) networks employing power control or contention control scheme. The probability density functions (PDFs) ...
SIGCOMM
1996
ACM
13 years 10 months ago
1996
ACM
Prior work in the eld of packet radio networks has often assumed a simple success-if-exclusive model of successful reception. This simple model is insucient to model interference...
INFOCOM
2010
IEEE
13 years 4 months ago
2010
IEEE
—Despite much research on the throughput of relaying networks under idealized interference models, many practical wireless networks rely on physical-layer protocols that preclude...
ICC
2008
IEEE
14 years 6 days ago
2008
IEEE
—Dynamic spectrum access (DSA) is a promising approach for mitigating spectrum scarcity. Underlying DSA is the need for fast and reliable spectrum sensing over a potentially larg...