156 search results - page 26 / 32 » Opportunistic Spectrum Access for Energy-Constrained Cogniti... |
111
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TSP
2010
14 years 4 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...
100
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INFOCOM
2006
IEEE
15 years 3 months ago
2006
IEEE
— Opportunistic spectrum access and adaptive power management are effective techniques to improve throughput, delay performance, and energy efficiency for wireless networks. In ...
115
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MOBICOM
2009
ACM
15 years 4 months ago
2009
ACM
Establishing a control channel for medium access control is a challenging problem in multi-channel and dynamic spectrum access (DSA) networks. In the design of multi-channel MAC p...
TWC
2008
14 years 9 months ago
2008
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...
MOBICOM
2009
ACM
15 years 2 months ago
2009
ACM
We consider the problem of cross-band interference when devices from the same or different networks share radio spectrum. Cross-band interference occurs when unsynchronized trans...