Adaptive protocols for information dissemination in wireless sensor networks
MobiCom '99 Proceedings of the 5th annual ACM/IEEE 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
Wireless sensor networks: a survey
Computer Networks: The International Journal of Computer and Telecommunications Networking
Energy-Efficient Communication Protocol for Wireless Microsensor Networks
HICSS '00 Proceedings of the 33rd Hawaii International Conference on System Sciences-Volume 8 - Volume 8
SENDROM: sensor networks for disaster relief operations management
Wireless Networks
A self-organised middleware architecture for Wireless Sensor Network management
International Journal of Ad Hoc and Ubiquitous Computing
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In this paper the sectoral sweeper scheme is introduced where a central node that has a directional antenna broadcasts tasks. Nodes which receive a task start sensing and generating reports. Hence nodes at a specified region can be activated or deactivated at any time. Tasks are also associated with a unique identification for each region. Sensor nodes include related task identifications and received signal strength indicator in their messages. By using this data, the location of the sensor nodes can be estimated with a resolution high enough for many applications. Since our scheme does not require any additional software or hardware for node management and location estimation in sensor nodes, the deficiencies of tiny sensors are effectively eliminated. Our scheme also reduces energy consumption considerably and provides immediate task dissemination.