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ICC
2008
IEEE
14 years 3 months ago
2008
IEEE
— In this paper, we propose a theoretical framework for the analysis of the impact of ultra–wideband (UWB) interference on systems that use the popular combination of bit– in...
TWC
2008
13 years 8 months ago
2008
By integrating wireless wide area networks (WWANs) and wireless local area networks (WLANs), mobile hotspot technologies enable seamless Internet multimedia services to users on-bo...
PE
2006
Springer
13 years 8 months ago
2006
Springer
Existing wireless networks usually provide multiple data transmission rates. This paper presents a simulation study on the performance of multiple-rate mobile ad hoc networks (MAN...
ICRA
1998
IEEE
14 years 29 days ago
1998
IEEE
The objective of this paper is to present the recent development of the ring sensor to monitor a patient 24 hours a day for a tele-nursing system. The ring sensor is worn by the p...
EUROSSC
2007
Springer
14 years 2 months ago
2007
Springer
We describe and evaluate a distributed architecture for the online recognition of user activity sequences. In a lower layer, simple heterogeneous atomic activities were recognised ...