297 search results - page 34 / 60 » Cooperative communications protocol for multiuser OFDM netwo... |
ICC
2007
IEEE
15 years 4 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...
104
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ICC
2009
IEEE
14 years 7 months ago
2009
IEEE
In this paper, we model the hierarchical structures inherent in cognitive radio networks as the priority queueing system in which primary users interact with the highest priority a...
106
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ICC
2009
IEEE
14 years 7 months ago
2009
IEEE
In Cooperative Automatic Repeat reQuest (C-ARQ) protocols, one or more nodes can act as relays, collaborating in the frame retransmission process between a sender and a destination...
112
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GLOBECOM
2009
IEEE
14 years 7 months ago
2009
IEEE
Due to the limited energy supplies of nodes in many applications like wireless sensor networks, energy efficiency is crucial for extending the lifetime of these networks. This pape...
SECON
2007
IEEE
15 years 4 months ago
2007
IEEE
— Cooperative communications can help combat fading and hence can significantly increase the capacity of wireless networks. Although various schemes have been proposed to levera...