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Statistical Properties of the Delivery Rate for Single-Sink and Multiple-Sink Sensor Networks

Marco Zuniga18 Contact Information, Manfred Hauswirth18 Contact Information and Yang Yang19 Contact Information

(18)  Digital Enterprise Research Institute, National University of Ireland, Galway
(19)  Department of Electrical Engineering, University College London, U.K.
Abstract
In wireless sensor network applications where each node sends a packet to a sink, the stochastic nature of the link affects the delivery rate (total number of packets delivered at the sink).
Based on a simple analytical model, we study the statistical properties of the delivery rate for scenarios without link or transport layer retransmission (best-effort routing). For these best-effort scenarios, we derive bounds for the expectation and variance of the delivery rate for single-sink and multiple-sink architectures. Our analytical findings are further validated through simulations using a realistic link-layer model.

Contact Information Marco Zuniga
Email: marco.zuniga@deri.org

Contact Information Manfred Hauswirth
Email: manfred.hauswirth@deri.org

Contact Information Yang Yang
Email: y.yang@ee.ucl.ac.uk
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