Telecommunications science

20200912-01
Transmission of environment data with preliminary secret sharing processing using Sigfox
Nobuharu Okamitsu, Koichi Miyazono, Takeshi Tanaka

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Using the Sigfox network and the Internet, we created Internet-of-Things devices equipped with temperature, humidity, and barometric pressure sensors to measure the environment data. In this study, we developed a way to process ...  read more

20200912-02
Geo-referenced system for air quality monitoring
Kamen Boyadzhiev

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This paper presents a developed system for detecting air pollutants and their concentration and monitoring the ambient environment parameters. The system generates geo-referenced data which is recorded to a local MySQL database ...  read more

20200508-01
IP Network Interconnection – Survey
Seferin Mirtchev, Mircho Mirchev

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The future networks will provide a new digital infrastructure to automate everything. The total number of Internet subscribers will continue to grow and Internet traffic will increase tremendously. The new applications can ...  read more

20200508-02
Improved simulation environment for visualisation the content of IEEE 802.15.4 frame on 6LoWPAN network
Aydan M. Haka

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Internet of Things (IoT) technologies, the communication of which relies on the reliable and high-speed 4G and 5G networks, are entering modern life more and more widely. One of the partitions of the IoT concept is sensor ...  read more

20200508-03
IoT device with Global Positioning System using SigFox, ThingSpeak, and Anaconda platform
Takeshi Tanaka, Nobuharu Okamitsu, Kenshi Nishino

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We have developed a rudimentary Internet of Things (IoT) device equipped with a global positioning system module using the Sigfox network. The data sent from the IoT device using Sigfox Cloud and ThingSpeak are received and ...  read more

20200304-01
Development of an IoT device using SigFox, ThingSpeak, and MATLAB/Simulink
Takeshi Tanaka, Nobuharu Okamitsu, Takuma Hamada, Kenshi Nishino

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We installed a Sigfox antenna at Hiroshima Institute of Technology and acquired basic environmental data via the Sigfox network. The IoT device created by us comprises Sigfox, ThingSpeak, and MATLAB/Simulink, and this configuration ...  read more

20200304-04
Cyberlearning and engineering education – survey
Seferin Mirtchev

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The traditional educational research focuses primarily on students’ test scores or obtaining credits, and the learning scientists often deals with knowledge, skills and competencies. The term “cyberlearning” ...  read more

20200102-01
Problems related to EMC caused by low-altitude flying drones in urban environment
Georgi Petrov, Anushka Stancheva

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Mass electrification of personal transportation vehicles creates prerequisites for massive mobile sources of electromagnetic interference. These is especially strong in dense urban environments. The problem with the introduction ...  read more

20200102-02
Data fusion from different protocols and integrating them into a mesh network for personal assistant of technical manager
Boyan K. Mednikarov, Yordan A. Sivkov, Chavdar I. Alexandrov, Miroslav Y. Tsvetkov, Veselin E. Atanasov, Marinela I. Petrova

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Automatic data collection and decision-making processes are crucial in optimizing production processes. One of the main tasks is to significantly reduce the time and cost of making management decisions, and achieve flexible ...  read more

20191112-03
Blockchain in the telecom industry
Boyan Jekov, Petya Petkova, Elena Shoikova

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This article looks at the introduction of Blockchain technology in the telecoms industry. Blockchain is one of the disruptive technologies that is rapidly entering all sectors of the industry, economy and life. This article ...  read more