445 search results - page 49 / 89 » Challenges and Opportunities in Broadband and Wireless Commu... |
TSP
2010
14 years 4 months ago
2010
Physical (PHY) layer security approaches for wireless communications can prevent eavesdropping without upper layer data encryption. However, they are hampered by wireless channel c...
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IPSN
2011
Springer
14 years 1 months ago
2011
Springer
Existing deployments of wireless sensor networks (WSNs) are often conceived as stand-alone monitoring tools. In this paper, we report instead on a deployment where the WSN is a ke...
SECON
2010
IEEE
14 years 7 months ago
2010
IEEE
Abstract--Directional antennas offer many potential advantages for wireless networks such as increased network capacity, extended transmission range and reduced energy consumption....
IWCMC
2006
ACM
15 years 3 months ago
2006
ACM
The employment of the OFDMA transmission technique in broadband radio systems shows several benefits. Especially the exploitation of multi-user diversity with the help of sophisti...
SUTC
2006
IEEE
15 years 3 months ago
2006
IEEE
A wireless sensor network has been designed and deployed to gather data from nodes deployed inside glaciers. This paper describes the solutions to power management, radio communic...