92 search results - page 2 / 19 » Energy efficient management of two cellular access networks |
CORR
2008
Springer
13 years 4 months ago
2008
Springer
Abstract-- Two-tier networks, comprising a conventional cellular network overlaid with shorter range hotspots (e.g. femtocells, distributed antennas, or wired relays), offer an eco...
TMC
2011
13 years 12 days ago
2011
— Context information brings new opportunities for efficient and effective system resource management of mobile devices. In this work we focus on the use of context information t...
WCNC
2008
IEEE
13 years 12 months ago
2008
IEEE
—In this paper, a wireless cognitive radio sensor network is considered, where each sensor node is equipped with cognitive radio and the network is a multi-carrier system operati...
IJNSEC
2008
13 years 5 months ago
2008
In wireless networks, secure multicast protocols are more difficult to implement efficiently due to the dynamic nature of the multicast group and the scarcity of bandwidth at the ...
SUTC
2006
IEEE
13 years 11 months ago
2006
IEEE
- In this paper, we describe a group key management protocol for hierarchical sensor networks where instead of using pre-deployed keys, each sensor node generates a partial key dyn...