Using Orientation Information for Qualitative Spatial Reasoning
Proceedings of the International Conference GIS - From Space to Territory: Theories and Methods of Spatio-Temporal Reasoning on Theories and Methods of Spatio-Temporal Reasoning in Geographic Space
Localization from mere connectivity
Proceedings of the 4th ACM international symposium on Mobile ad hoc networking & computing
GPS-Free Positioning in Mobile ad-hoc Networks
HICSS '01 Proceedings of the 34th Annual Hawaii International Conference on System Sciences ( HICSS-34)-Volume 9 - Volume 9
Distributed localization in wireless sensor networks: a quantitative comparison
Computer Networks: The International Journal of Computer and Telecommunications Networking - Special issue: Wireless sensor networks
A relative positioning system for co-located mobile devices
Proceedings of the 3rd international conference on Mobile systems, applications, and services
Towards smart surroundings: enabling techniques and technologies for localization
LoCA'05 Proceedings of the First international conference on Location- and Context-Awareness
Positioning in ad hoc sensor networks
IEEE Network: The Magazine of Global Internetworking
Localization in wireless sensor networks
Proceedings of the 6th international conference on Information processing in sensor networks
A Wireless Sensor Network for Real-Time Indoor Localisation and Motion Monitoring
IPSN '08 Proceedings of the 7th international conference on Information processing in sensor networks
Weighted MDS for Sensor Localization
ICCSA '08 Proceedings of the international conference on Computational Science and Its Applications, Part II
Efficient and accurate sensor network localization
Personal and Ubiquitous Computing
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We propose a lightweight localisation approach for supporting distance and range queries in ad hoc wireless sensor networks. In contrast to most previous localisation approaches we use a distance graph as spatial representation where edges between nodes are labelled with distance constraints. This approach has been carefully designed to satisfy the requirements of a concrete application scenario with respect to the spatial queries that need to be supported, the required accuracy of location information, and the capabilities of the target hardware. We show that this approach satisfies the accuracy requirements of the example application using simulations. We describe the implementation of the algorithms on wireless sensor nodes.