Node Density Estimation in VANETs Using Received Signal Power

Provided by: Creative Commons
Topic: Networking
Format: PDF
Accurately estimating node density in Vehicular Ad hoc Networks (VANETs), is a challenging and crucial task. Various approaches exist, yet none takes advantage of physical layer parameters in a distributed fashion. This paper describes a framework that allows individual nodes to estimate the node density of their surrounding network independent of beacon messages and other infrastructure based information. The proposal relies on three factors: a discrete event simulator to estimate the average number of nodes transmitting simultaneously; a realistic channel model for VANETs environment; and a node density estimation technique.

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