2007 search results - page 63 / 402 » SPECTRUM |
142
Voted
MOBICOM
2009
ACM
15 years 7 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...
104
Voted
SIGMETRICS
2010
ACM
15 years 5 months ago
2010
ACM
Dynamic Spectrum Access systems exploit temporarily available spectrum (‘white spaces’) and can spread transmissions over a number of non-contiguous sub-channels. Such methods...
116
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MOBICOM
2010
ACM
15 years 24 days ago
2010
ACM
Guardbands are designed to insulate transmissions on adjacent frequencies from mutual interference. As more devices in a given area are packed into orthogonal wireless channels, c...
113
Voted
CORR
2007
Springer
15 years 17 days 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...
133
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INFOCOM
2012
IEEE
13 years 3 months ago
2012
IEEE
Abstract—Opportunistic wireless channel access by nonlicensed users has emerged as a promising solution for addressing the bandwidth scarcity challenge. Auctions represent a natu...