Directed diffusion: a scalable and robust communication paradigm for sensor networks
MobiCom '00 Proceedings of the 6th annual international conference on Mobile computing and networking
Minimum-energy asynchronous dissemination to mobile sinks in wireless sensor networks
Proceedings of the 1st international conference on Embedded networked sensor systems
A Spatiotemporal Communication Protocol for Wireless Sensor Networks
IEEE Transactions on Parallel and Distributed Systems
A grid-based sink location service for large-scale wireless sensor networks
Proceedings of the 2006 international conference on Wireless communications and mobile computing
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A Sensor network is composed of sensor nodes and sink nodes. Since the sensor nodes have limited resources a routing method should be energy efficient. Also it is simple and applicable to many sensor nodes. A location-based routing protocol. where each sensor uses its location and that of neighbor nodes to transmit data to a destination, can support a variety of application services with its efficient routing and ability to increase the scalability of network. This paper suggests a routing protocol that can achieve an efficient data transmission from source to the mobile sink node without interruption by using location based virtual grid. In case there are holes in the sensor network, routing is maintained by using relative landmarks to bypass the holes. A simulation of performance evaluation demonstrates the superiority of the suggested method to the previous ones.