Sciweavers

1357 search results - page 197 / 272
» Security in Wireless Sensor Networks: Issues and Challenges
Sort
View
MOBIWAC
2006
ACM
15 years 3 months ago
Calibration-free WLAN location system based on dynamic mapping of signal strength
In this work we present a calibration-free system for locating wireless local area network devices, based on the radio frequency characteristics of such networks. Calibration proc...
Luís Felipe M. de Moraes, Bruno Astuto A. N...
TRIDENTCOM
2006
IEEE
15 years 3 months ago
Barcelona's open access network testbed
Abstract— This paper describes the implementation and deployment of a novel architecture for a metropolitan open wireless access network, shared among different service providers...
Jaume Barceló, Carlos Macián, Jorge ...
SAINT
2005
IEEE
15 years 3 months ago
A Context-centric Security Middleware for Service Provisioning in Pervasive Computing
Pervasive user mobility, wireless connectivity and the widespread diffusion of portable devices raise new challenges for ubiquitous service provisioning. An emerging architecture ...
Antonio Corradi, Rebecca Montanari, Daniela Tibald...
COCOA
2008
Springer
14 years 11 months ago
Optimal Movement of Mobile Sensors for Barrier Coverage of a Planar Region
Intrusion detection, area coverage and border surveillance are important applications of wireless sensor networks today. They can be (and are being) used to monitor large unprotec...
Binay K. Bhattacharya, B. Burmester, Yuzhuang Hu, ...
PERCOM
2007
ACM
15 years 9 months ago
Multi-level Hashing for Peer-to-Peer System in Wireless Ad Hoc Environment
? Peer-to-peer is a popular distributed system. With the advancement in mobile technologies, mobile p2p has revealed its attraction. But, the resource constraints such as bandwidth...
Dewan Tanvir Ahmed, Shervin Shirmohammadi