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» Near-Optimal Radio Use for Wireless Network Synchronization
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MASS
2010
172views Communications» more  MASS 2010»
14 years 7 months ago
Routing and spectrum allocation for video on-demand streaming in cognitive wireless mesh networks
Cognitive radio, which enables dynamic access of under-utilized licensed spectrums, is a promising technology for more efficient spectrum utilization. Since cognitive radio enables...
Yong Ding, Li Xiao
INFOCOM
2008
IEEE
15 years 4 months ago
On the Construction of a Maximum-Lifetime Data Gathering Tree in Sensor Networks: NP-Completeness and Approximation Algorithm
Abstract—Energy efficiency is critical for wireless sensor networks. The data gathering process must be carefully designed to conserve energy and extend the network lifetime. Fo...
Yan Wu, Sonia Fahmy, Ness B. Shroff
SC
2003
ACM
15 years 3 months ago
Scalable Hardware-Based Multicast Trees
This paper presents an algorithm for implementing optimal hardware-based multicast trees, on networks that provide hardware support for collective communication. Although the prop...
Salvador Coll, José Duato, Fabrizio Petrini...
MSWIM
2003
ACM
15 years 3 months ago
Connectivity of wireless multihop networks in a shadow fading environment
This article analyzes the connectivity of multihop radio networks in a log-normal shadow fading environment. Assuming the nodes have equal transmission capabilities and are randoml...
Christian Bettstetter, Christian Hartmann
ICC
2007
IEEE
132views Communications» more  ICC 2007»
15 years 4 months ago
On the Accuracy of an Indoor Location-sensing Technique Suitable for Impulse Radio Networks
An impulse radio indoor mapping and positioning technique has been proposed. This technique enables impulse radios to use the times of arrival (TOAs) of dominant echoes from the su...
Wenyu Guo, Nicholas P. Filer