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CISS
2007
IEEE
16 years 29 days ago
Coverage-Based Information Retrieval for Lifetime Maximization in Sensor Networks
—We consider information retrieval in a wireless sensor network deployed to monitor a spatially correlated random field. We address sensor scheduling in each data collection und...
Tong Zhao, Qing Zhao
DIALM
2005
ACM
130views Algorithms» more  DIALM 2005»
15 years 8 months ago
On lower bounds for MAC layer contention in CSMA/CA-based wireless networks
Wireless LANs operating within unlicensed frequency bands require random access schemes such as CSMA/CA, so that wireless networks from different administrative domains (for exam...
Frank A. Zdarsky, Ivan Martinovic, Jens B. Schmitt
EWSN
2004
Springer
16 years 6 months ago
Design of a Secure Distributed Service Directory for Wireless Sensornetworks
Sensor networks consist of a potentially huge number of very small and resource limited self-organizing devices. This paper presents the design of a general distributed service dir...
Erik-Oliver Blaß, Hans-Joachim Hof, Martina ...
WOWMOM
2009
ACM
158views Multimedia» more  WOWMOM 2009»
16 years 1 months ago
Opportunistic scanning: Interruption-free network topology discovery for wireless mesh networks
This paper presents the concept and preliminary performance evaluation of a stochastic network discovery approach named opportunistic scanning. Therein, a station only pauses its ...
Marc Emmelmann, Sven Wiethoelter, Hyung-Taek Lim
CORR
2010
Springer
176views Education» more  CORR 2010»
15 years 6 months ago
Emergency Response Communications and Associated Security Challenges
The natural or man-made disaster demands an efficient communication and coordination among first responders to save life and other community resources. Normally, the traditional c...
Muhammad Ibrahim Channa, Kazi M. Ahmed