25 search results - page 3 / 5 » Markov Chain Existence and Hidden Markov Models in Spectrum ... |
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...
GLOBECOM
2006
IEEE
13 years 11 months ago
2006
IEEE
—The mandatory access mode in IEEE 802.11 MAC is Distributed Coordination Function (DCF), which provides both basic access and RTS/CTS(request-to-send/clear-to-send) access. Prev...
JMLR
2012
11 years 8 months ago
2012
This paper considers additive factorial hidden Markov models, an extension to HMMs where the state factors into multiple independent chains, and the output is an additive function...
CORR
2007
Springer
13 years 5 months ago
2007
Springer
We consider a multi-channel opportunistic communication system where the states of these channels evolve as independent and statistically identical Markov chains (the Gilbert-Elli...
MSWIM
2003
ACM
13 years 10 months ago
2003
ACM
Errors introduced by a wireless medium are more frequent and profound than contemporary wired media. Some of these errors, which are not corrected by the physical layer, result in...