408 search results - page 59 / 82 » Information Transmission Over Fading Channels |
120
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TWC
2008
14 years 11 months ago
2008
Abstract--We investigate the dynamic spectrum sharing problem among primary and secondary users in a cognitive radio network. We consider the scenario where primary users exhibit o...
ICC
2007
IEEE
15 years 6 months ago
2007
IEEE
— In this paper, we develop contention-based medium access control (MAC) schemes for both best-effort data transmissions and delay-sensitive multimedia transmissions over WLANs. ...
ICC
2007
IEEE
15 years 6 months ago
2007
IEEE
— We propose a joint power- and rate-control scheme to broadcast a multiplicity of video sequences over a broadcast channel. The formulation is intended to be general in scope, w...
ICC
2007
IEEE
15 years 6 months ago
2007
IEEE
Abstract— The performance of wireless multicasting is negatively affected by multipath fading. To improve reliability, cooperation among the nodes of the network can be used to c...
105
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MOBICOM
2004
ACM
15 years 5 months ago
2004
ACM
Interactive communications among nodes in Vehicular Ad Hoc Networks (VANET) and the safety-oriented nature of many VANET applications necessitate a robust security framework. An a...