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TMC
2010
138views more  TMC 2010»
13 years 7 months ago
Reliable Anchor-Based Sensor Localization in Irregular Areas
—Localization is a fundamental problem in wireless sensor networks and its accuracy impacts the efficiency of location-aware protocols and applications, such as routing and stora...
Bin Xiao, Lin Chen, Qingjun Xiao, Minglu Li
GIS
2008
ACM
13 years 9 months ago
Spatial queries in disconnected mobile networks
In this paper we study in-network query processing in disconnected mobile environments, where both ad-hoc communication and infrastructure communication are available. Depending o...
Xinjuan Zhu, Bo Xu, Ouri Wolfson
SUTC
2006
IEEE
14 years 2 months ago
Transitive Nearest Neighbor Search in Mobile Environments
Given a query point p, typically the position of a current client, and two datasets S and R, a transitive nearest neighbor (TNN) search returns a pair of objects (s, r) ∈ S × R...
Baihua Zheng, Ken C. K. Lee, Wang-Chien Lee
HASE
2008
IEEE
14 years 3 months ago
Power Optimization in Fault-Tolerant Mobile Ad Hoc Networks
—In this paper, we investigate the transmission-power assignment problem for k-connected mobile ad hoc networks (MANETs), the problem of optimizing the lifetime of a MANET at a g...
Oliviero Riganelli, Radu Grosu, Samir R. Das, C. R...
WSNA
2003
ACM
14 years 2 months ago
Information assurance in sensor networks
Sensor networks are deployed to monitor the surroundings and keep the end-user informed about the events witnessed. Different types of events have different levels of importance f...
Budhaditya Deb, Sudeept Bhatnagar, Badri Nath