3638 search results - page 428 / 728 » Optimization via communication networks |
157
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VTC
2008
IEEE
16 years 1 months ago
2008
IEEE
— The IEEE 802.16j protocol for a multi-hop relay (MMR) WiMAX network is being developed to increase data rates and extend service coverage as an enhancement of existing WiMAX st...
187
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GLOBECOM
2009
IEEE
15 years 10 months ago
2009
IEEE
IEEE 802.22 wireless regional area network (WRAN) is an emerging cognitive radio-based system. One of the major challenges for WRANs is how to efficiently schedule both channel sen...
188
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GLOBECOM
2010
IEEE
15 years 4 months ago
2010
IEEE
In wireless sensor networks (WSNs), sensor nodes are typically subjected to energy constraints and often prone to topology changes. While duty cycling has been widely used for ener...
228
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VTC
2010
IEEE
15 years 4 months ago
2010
IEEE
Abstract--This paper analyzes the outage probability in cognitive radio networks, based on the Poisson point process model of node spatial distribution and the standard propagation...
203
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CEC
2009
IEEE
15 years 10 months ago
2009
IEEE
VANETs are ad hoc networks in which devices are vehicles moving at high speeds. This kind of network is getting more and more importance since it has many practical and important a...