Abstract
This paper is concerned with the design and analysis of delay-tolerant networks (DTNs) deployed for free-roaming animal monitoring, wherein information is either transmitted or carried to static access-points by the animals whose movement is assumed to be random. Specifically, in such mobility-aided applications where routing is performed in a store-carry-and-drop manner, limited buffer capacity of a carrier node plays a critical role, and data loss due to buffer overflow heavily depends on access-point density. Driven by this fact, our focus in this paper is on providing sufficient conditions on access-point density that limit the likelihood of buffer overflow. We first derive sufficient access-point density conditions that ensure that the data loss rates are statistically guaranteed to be below a given threshold. Then, we evaluate and validate the derived theoretical results through comparison with both synthetic and real-world data.
Original language | English |
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Article number | 6144759 |
Pages (from-to) | 1220-1227 |
Number of pages | 8 |
Journal | IEEE Transactions on Wireless Communications |
Volume | 11 |
Issue number | 3 |
DOIs | |
Publication status | Published - Mar 2012 |
Externally published | Yes |
Keywords
- Performance modeling
- data loss analysis
- delay tolerant sensor networks
- free-roaming animal monitoring system
- sufficient node density