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ICDCS
2008
IEEE
15 years 3 months ago
Enabling Accurate Node Control in Randomized Duty Cycling Networks
— In this paper, we propose a novel duty cycling algorithm for large-scale dense wireless sensor networks. The proposed algorithm is based on a social behavior of nodes in the se...
Kang-Won Lee, Vasileios Pappas, Asser N. Tantawi
MOBISYS
2005
ACM
15 years 9 months ago
A relative positioning system for co-located mobile devices
If a mobile computing device knows how it is positioned and oriented in relation to other devices nearby, then it can provide enhanced support for multi-device and multi-user inte...
Mike Hazas, Christian Kray, Hans-Werner Gellersen,...
EUROSSC
2007
Springer
15 years 3 months ago
Recognition of User Activity Sequences Using Distributed Event Detection
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 ...
Oliver Amft, Clemens Lombriser, Thomas Stiefmeier,...
FPL
1997
Springer
75views Hardware» more  FPL 1997»
15 years 1 months ago
Thermal monitoring on FPGAs using ring-oscillators
In this paper, a temperature-to-frequency transducer suitable for thermal monitoring on FPGAs is presented. The dependence between delay and temperature is used to produce a freque...
Eduardo I. Boemo, Sergio López-Buedo
MOBIHOC
2004
ACM
15 years 2 months ago
A message ferrying approach for data delivery in sparse mobile ad hoc networks
Mobile Ad Hoc Networks (MANETs) provide rapidly deployable and self-configuring network capacity required in many critical applications, e.g., battlefields, disaster relief and ...
Wenrui Zhao, Mostafa H. Ammar, Ellen W. Zegura