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ADHOC
2007
13 years 7 months ago
2007
One challenging issue in sensor networks is to determine where a given sensor node is physically located. This problem is especially crucial for very small sensor nodes. This pape...
EDBT
2004
ACM
14 years 7 months ago
2004
ACM
A location-based service (LBS) provides information based on the location information specified in a query. Nearest-neighbor (NN) search is an important class of queries supported ...
JNW
2007
13 years 7 months ago
2007
— Large scale wireless sensor networks (WSNs) can be used for various pervasive and ubiquitous applications such as security, health-care, industry automation, agriculture, envir...
WOWMOM
2005
ACM
14 years 1 months ago
2005
ACM
Ad-hoc networks enable mobile devices to communicate without any fixed infrastructure. While reliable multicasting has been identified as a key application in this context, we a...
ALGOSENSORS
2004
Springer
14 years 1 months ago
2004
Springer
We consider three range-free localization protocols for sensor networks and analyze their accuracy in terms of the expected area of uncertainty of position per sensor. Assuming a ...