Data networks
The Cricket location-support system
MobiCom '00 Proceedings of the 6th annual international conference on Mobile computing and networking
Dynamic fine-grained localization in Ad-Hoc networks of sensors
Proceedings of the 7th annual international conference on Mobile computing and networking
A directionality based location discovery scheme for wireless sensor networks
WSNA '02 Proceedings of the 1st ACM international workshop on Wireless sensor networks and applications
The bits and flops of the n-hop multilateration primitive for node localization problems
WSNA '02 Proceedings of the 1st ACM international workshop on Wireless sensor networks and applications
Range-free localization schemes for large scale sensor networks
Proceedings of the 9th annual international conference on Mobile computing and networking
Using proximity and quantized RSS for sensor localization in wireless networks
WSNA '03 Proceedings of the 2nd ACM international conference on Wireless sensor networks and applications
Tracking moving devices with the cricket location system
Proceedings of the 2nd international conference on Mobile systems, applications, and services
Ecolocation: a sequence based technique for RF localization in wireless sensor networks
IPSN '05 Proceedings of the 4th international symposium on Information processing in sensor networks
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We introduce the problem of fast and fair localization of mobile units in indoor infrastructure wireless sensor networks. We define metrics and derive expressions for delay and fairness of localization and investigate a heuristic algorithm for fast and fair localization. Simulation results show that localization is faster for lower levels of location estimate accuracy, irrespective of anchor density, and that it is fairer for higher anchor densities, irrespective of location estimate accuracy. Also, localization is faster and fairer for grid deployment of anchors as compared to random deployment. The results also suggest that a guarantee on the desired level of location estimate accuracy can be provided for the entire localization area for specific speeds of movement of the mobile unit, and that these speeds are higher for denser anchor deployments.