Intra-Car Wireless Sensors Data Collection: A Multi-Hop Approach

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Executive Summary

The authors experimentally investigate the benefits of multi-hop networking for intra-car data aggregation under the current state-of-the-art Collection Tree Protocol (CTP). They show how this protocol actively adjusts collection routes according to channel dynamics in various practical car environments, resulting in performance gains over single-hop aggregation. Throughout their experiments, they target traditional performance metrics such as delivery rate, number of transmissions per packet, and delay, and their results confirm, both qualitatively and quantitatively, that multi-hop communication can provide a reliable and robust approach for data collection within a car.

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