Transmission control method to realize efficient data retention in low vehicle density environment

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  • 低車両密度環境における効率的データ滞留を実現する送信制御手法

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Abstract

With the development and spread of Internet of Things (IoT) technology, various kinds of data are generated from IoT devices and expected to increase the number of such data greatly in the future. Some data depends on geographical location and time, we refer to as spatio-temporal data (STD). Since the “locally produced and consumed” paradigm of STD use is effective for location-dependent applications, we have proposed the STD retention system using vehicles which can install high capacity storage, high performance computing resources, and short range wireless communication equipment and have high mobility. In this system, the vehicle controls the data transmission probability according to the neighboring vehicle density in order to achieve not only high coverage but also reduction of the number of transmitting data. In this paper, we proposed a data transmission control method for STD retention with a low vehicle density environment. Simulation results showed that our proposed scheme can improve the performance for data retention, while limiting the number of transmitting data as much as possible.

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