4714 search results - page 227 / 943 » Cognitive Packet Networks |
156
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PIMRC
2010
IEEE
15 years 2 months ago
2010
IEEE
We propose an opportunistic channel access scheme for cognitive radio-enabled secondary networks. In our work, we model the channel occupancy due to Primary User (PU) activity as a...
138
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ICC
2009
IEEE
15 years 2 months ago
2009
IEEE
In this paper, we consider a secondary link sharing the spectrum with a primary link in a fading cognitive radio (CR) network. Instead of applying the conventional interference pow...
164
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TSP
2012
13 years 12 months ago
2012
Abstract—We consider a robust downlink beamforming optimization problem for secondary multicast transmission in a multiple-input multiple-output (MIMO) spectrum sharing cognitive...
183
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INFOCOM
2005
IEEE
15 years 10 months ago
2005
IEEE
— In this paper, we present a novel packet delivery mechanism called Multi-path and Multi-Speed Routing Protocol (MMSPEED) for probabilistic QoS guarantee in wireless sensor netw...
162
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ADHOCNOW
2003
Springer
15 years 9 months ago
2003
Springer
This paper models an ad-hoc network as a continuum of nodes, ignoring edge effects, to find how the traffic scales with N, the number of nodes. We obtain expressions for the traffi...