Computers and Intractability: A Guide to the Theory of NP-Completeness
Computers and Intractability: A Guide to the Theory of NP-Completeness
Controllably Mobile Infrastructure for Low Energy Embedded Networks
IEEE Transactions on Mobile Computing
Sink mobility protocols for data collection in wireless sensor networks
Proceedings of the 4th ACM international workshop on Mobility management and wireless access
Data harvesting with mobile elements in wireless sensor networks
Computer Networks: The International Journal of Computer and Telecommunications Networking
Mobile Element Scheduling with Dynamic Deadlines
IEEE Transactions on Mobile Computing
Improving the Data Delivery Latency in Sensor Networks with Controlled Mobility
DCOSS '08 Proceedings of the 4th IEEE international conference on Distributed Computing in Sensor Systems
Rendezvous Planning in Wireless Sensor Networks with Mobile Elements
IEEE Transactions on Mobile Computing
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This paper presents a formulation for analyzing stability issues inherent to multi-hop routing in mobile sink based data collection systems. The paper parameterizes the extent of multi-hop routing as a hop-bound factor which is used to represent a wide spectrum of design options including single-hop with mobile sink, multi-hop with static sink, and different levels of mobile sink based multi-hop routing in between. An analytical model is developed for studying the impacts of multi-hop routing on collection delay performance. A number of thresholds are derived from the model for determining the amount of multi-hop routing that can be used for stable and efficient data collection in the context of constantly moving sinks. Finally, the system performance trends obtained from the model are validated using packet level simulations.