494 search results - page 88 / 99 » Effective Caching in Wireless Sensor Network |
MOBIHOC
2008
ACM
14 years 7 months ago
2008
ACM
Dealing with interference is one of the primary challenges to solve in the design of protocols for wireless ad-hoc networks. Most of the work in the literature assumes localized o...
PERCOM
2010
ACM
13 years 2 months ago
2010
ACM
In this paper, we propose an algorithm to estimate 2D shapes and positions of obstacles such as buildings using GPS and wireless communication history of mobile nodes. Our algorith...
REALWSN
2010
13 years 2 months ago
2010
Abstract. In Wireless Sensor Networks (WSNs) the majority of the devices provide access to the Received Signal Strength Indicator (RSSI), which has been used as a means to enable d...
MOBIHOC
2009
ACM
14 years 8 months ago
2009
ACM
We consider a high density of sensors randomly placed in a geographical area for event monitoring. The monitoring regions of the sensors may have significant overlap, and a subset...
WASA
2009
Springer
14 years 2 months ago
2009
Springer
Wormhole attacks can negatively affect the localization in wireless sensor networks. A typical wormhole attack can be launched by two colluding external attackers, one of which sni...