Sciweavers

1118 search results - page 115 / 224
» Coverage area management for wireless sensor networks
Sort
View
AINA
2005
IEEE
16 years 18 hour ago
IEEE 802.11 MAC Protocol over Wireless Mesh Networks: Problems and Perspectives
The wireless mesh network has been an emerging technology in recent years. Because the transmission medium used in networking backhaul APs is radio, the wireless mesh network is n...
Tzu-Jane Tsai, Ju-Wei Chen
INFOCOM
2003
IEEE
15 years 11 months ago
Robust Location Detection in Emergency Sensor Networks
— We propose a new framework for providing robust location detection in emergency response systems, based on the theory of identifying codes. The key idea of this approach is to ...
Saikat Ray, Rachanee Ungrangsi, Francesco De Pelle...
PERCOM
2005
ACM
16 years 6 months ago
Maneuverable Relays to Improve Energy Efficiency in Sensor Networks
We propose a hybrid model to alleviate the notorious problem of premature battery depletion in sensor networks: in a first stage, simple sensors are deployed over an area of inter...
Stephan Eidenbenz, Lukas Kroc, James P. Smith
ICC
2007
IEEE
130views Communications» more  ICC 2007»
16 years 22 days ago
A Novel Key Redistribution Scheme for Wireless Sensor Networks
— Key management has long been a challenging problem in wireless Distributed Sensor Networks (DSNs) due to their high security requirements and strict resource constraints. Recen...
Chun-Fai Law, Ka-Shun Hung, Yu-Kwong Kwok
DEXA
2009
Springer
153views Database» more  DEXA 2009»
15 years 10 months ago
Three Approximation Algorithms for Energy-Efficient Query Dissemination in Sensor Database System
Abstract. Sensor database is a type of database management system which offers sensor data and stored data in its data model and query languages. In this system, when a user poses ...
Zhao Zhang, Xiaofeng Gao, Xuefei Zhang, Weili Wu, ...