Transmission Control Method Based on Transmission Position and Received Signal Level for Spatio-Temporal Data Retention

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  • 時空間データ滞留のための送信位置と受信信号レベルに基づく送信制御手法

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Abstract

With the development and spread of IoT technology, the number of devices connected to the Internet is increasing year by year. Some data generated from IoT devices depends on geographical location and time, and we refer to as spatio-temporal data (STD). Since the “local production and consumption” paradigm of STD use is effective for location-dependent applications, we have proposed the STD retention system using vehicles which can install storage, 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 effective data retention. However, since all vehicles need to transmit beacons, the number of beacons transmitted has increased with the increase in the number of vehicles. In this paper, we propose a data transmission control method that realizes STD retention without transmitting beacons and simulation results showed that our proposed scheme can achieve effective data retention.

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