An auto-adaptive dead reckoning algorithm for distributed interactive simulation
PADS '99 Proceedings of the thirteenth workshop on Parallel and distributed simulation
PODS '99 Proceedings of the eighteenth ACM SIGMOD-SIGACT-SIGART symposium on Principles of database systems
Updating and Querying Databases that Track Mobile Units
Distributed and Parallel Databases - Special issue on mobile data management and applications
Smooth is better than sharp: a random mobility model for simulation of wireless networks
MSWIM '01 Proceedings of the 4th ACM international workshop on Modeling, analysis and simulation of wireless and mobile systems
A Map-Based Dead-Reckoning Protocol for Updating Location Information
IPDPS '02 Proceedings of the 16th International Parallel and Distributed Processing Symposium
High-performance spatial indexing for location-based services
WWW '03 Proceedings of the 12th international conference on World Wide Web
Journal of Computer and System Sciences - Special issue on PODS 2000
Predictive distance-based mobility management for multidimensional PCS networks
IEEE/ACM Transactions on Networking (TON)
Efficient constraint processing for location-aware computing
Proceedings of the 6th international conference on Mobile data management
Performance of dead reckoning-based location service for mobile ad hoc networks: Research Articles
Wireless Communications & Mobile Computing
Location-based Services: Fundamentals and Operation
Location-based Services: Fundamentals and Operation
A Threshold-Based Algorithm for Continuous Monitoring of k Nearest Neighbors
IEEE Transactions on Knowledge and Data Engineering
ACM SIGMOBILE Mobile Computing and Communications Review
Extending the LBS-framework TraX: Efficient proximity detection with dead reckoning
Computer Communications
Direction-based proximity detection algorithm for location-based services
WOCN'09 Proceedings of the Sixth international conference on Wireless and Optical Communications Networks
Efficient proximity detection among mobile users via self-tuning policies
Proceedings of the VLDB Endowment
Efficient batch processing of proximity queries by optimized probing
Proceedings of the 21st ACM SIGSPATIAL International Conference on Advances in Geographic Information Systems
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Proximity detection is defined as the capability of a Location-based Service (LBS) to automatically detect when a pair of mobile targets approaches each other closer than a pre-defined proximity distance. For realizing this function the targets have to be permanently tracked. To this end they are equipped with a cellular mobile device with an integrated GPS receiver, which passes position fixes obtained by GPS to a central location server. In order to save valuable bandwidth, reduce monetary costs for bearer services and to limit the power consumption at the mobile device, the number of messages exchanged between server and device needed for keeping track of the target should be reduced as far as possible. In the paper a novel strategy for efficient proximity detection is presented, which is based on an adoption of dead reckoning. In contrast to existing work the strategy considers the movement patterns of the observed targets. The paper presents results that have been achieved in various simulations comparing the proposed strategy to known approaches with regard to the amount of messages that pass the air interface. The results underline the suitability of the proposed strategy.