Ubiquitous Home Security Robot Based on Sensor Network
IAT '06 Proceedings of the IEEE/WIC/ACM international conference on Intelligent Agent Technology
Self-Localization in a Low Cost Bluetooth Environment
UIC '08 Proceedings of the 5th international conference on Ubiquitous Intelligence and Computing
Towards an intelligent and supportive environment for people with physical or cognitive restrictions
Proceedings of the 2nd International Conference on PErvasive Technologies Related to Assistive Environments
An architecture for assisted navigation in intelligent environments
International Journal of Communication Networks and Distributed Systems
Versatile algorithms for accurate indoor geolocation
DSP'09 Proceedings of the 16th international conference on Digital Signal Processing
RSKT'07 Proceedings of the 2nd international conference on Rough sets and knowledge technology
Wearable indoor pedestrian dead reckoning system
Pervasive and Mobile Computing
A time domain eigen value method for robust indoor localization
WTS'10 Proceedings of the 9th conference on Wireless telecommunications symposium
A new monitor model for enhancing trust-based systems
ATC'10 Proceedings of the 7th international conference on Autonomic and trusted computing
Supporting location-aware distributed applications on mobile devices
PARA'04 Proceedings of the 7th international conference on Applied Parallel Computing: state of the Art in Scientific Computing
Position tracking using infra-red signals for museum guiding system
UCS'04 Proceedings of the Second international conference on Ubiquitous Computing Systems
FLEXOR: a flexible localization scheme based on RFID
ICOIN'06 Proceedings of the 2006 international conference on Information Networking: advances in Data Communications and Wireless Networks
ICONIP'12 Proceedings of the 19th international conference on Neural Information Processing - Volume Part IV
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Determining physical location of indoor objects is one ofthe key issues in development of context-awareapplications in ubiquitous computing environment. This ismainly because context information obtained from sensornetwork is meaningful only when the physical location ofcontext information source is determined. Recently, severalindoor location information systems, such as Active Bat[1]and Cricket[2], have been developed for precise indoorobject localization. However, to provide accurate physicallocation tracking in large-scale space, those systemsrequires a lot of manual configuration for all theultrasonic sensor nodes. To reduce configuration costs, wedeveloped a new indoor positioning system calledDOLPHIN. The DOLPIN system consists of distributedwireless sensor nodes which are capable of sending andreceiving RF and ultrasonic signals. These nodes areattached to various indoor objects. And using a noveldistributed positioning algorithm in the nodes, DOLPHINenable autonomous positioning of the objects with minimalmanual configuration. This paper describes the design andimplementation of the DOLPHIN system, and evaluatesbasic performance through several experiments in indoorenvironment.