Urban Data Acquisition Routing Approach for Vehicular Sensor Networks
Vehicular sensor networks have emerged as a new wireless sensor network paradigm that is envisioned to revolutionize the human driving experiences and traffic control systems. Like conventional sensor networks, they can sense events and process sensed data. Differently, vehicular sensors are equipped on vehicles such as taxies and buses. Thus, data acquisition is a hot issue which needs more attention when the routing protocols developed for conventional wireless sensor networks become unfeasible. In this paper, we propose a robust urban data acquisition routing approach, named Multi-hop Urban data Requesting and Dissemination (MURD) scheme. It consists of a base station, several static roadside replication nodes and many moving vehicles. They work together to realize the real-time data communications. The simulation results show that the proposed MURD is a flexible data acquisition routing approach which outperforms conventional approaches in terms of packet delivery ratio and data communication delay.
KeywordVSN Hybrid architecture Data acquisition Real-time communication
This research work is supported by the Fundamental Research Funds for the Central Universities under Grant 2019B22214, and supported in part by the National Natural Science Foundation of China under Grant 61801166; it was also supported by Changzhou Sci. and Tech. Program under Grant CJ20180046.
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