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All Journal TELKOMNIKA (Telecommunication Computing Electronics and Control) SmartComp
Nazmi Febrian
Institut Teknologi Bandung
Computer Science & IT Electrical & Electronics Engineering

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Internet Protocol Based Satellite On-Board System Emir Husni; Nazmi Febrian; Angga Putra
TELKOMNIKA (Telecommunication Computing Electronics and Control) Vol 14, No 3: September 2016
Publisher : Universitas Ahmad Dahlan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12928/telkomnika.v14i3.3512

Abstract

The reliability of satellite data communication can be enhanced by designing two subsystems involving data communication among subsystem and data communication between satellie and Ground Station (GS). In this paper, Error Control Coding (ECC) is applied in satellite data communication with Automatic Repeat Request (ARQ) method. Further, bit error checking uses the calculation of 15 bit Cyclic Redundancy Check (CRC) Controller Area Network (CAN) standard. The calculation of CRC is attached in CAN frame over IP communication protocol between primary OBC and secondary OBC. OBC is designed by implementing Triple Modular Redundant system on a Linux-based operating system. The CAN frame over IP simulation with manual input is found to correct all corrupted data. When the simulation uses NetEM, the system corrects 100 % data with 0-10 % value of corruption with maximum time transfer of 84.472 seconds. ION DTN is also found to correct all corrupted data with values from 0 to 2 % and maximum delay at an altitude of 50,000 kilometer orbit using NetEm for TMTC mission. The testing results show that the system will keep carrying out its mission as long as a fault does not occur on all three OBC at the same time.
Classie: Perangkat Lunak Edukasi Berbasis Web Menggunakan API IBM Bluemix Topan Pratomo; Nazmi Febrian; Angga Putra; Sarosa Castrena Abadi; Givy Devira Ramady
Smart Comp :Jurnalnya Orang Pintar Komputer Vol 10, No 3 (2021): Smart Comp: Jurnalnya Orang Pintar Komputer
Publisher : Politeknik Harapan Bersama

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30591/smartcomp.v10i3.2844

Abstract

Proses belajar mengajar saat ini masih banyak menggunakan cara konvensional yang memiliki kerugian  berupa susahnya pengarsipan materi pembelajaran sehingga bahan pembelajaran di kelas sulit diakses. Selain itu proses belajar mengajar saat ini juga masih melibatkan absesnsi menggunakan kertas yang sangat tidak ramah lingkungan. Untuk itu dirancang sebuah sistem yang membantu proses belajar mengajar di kelas yang diberi nama Classie. Classie menggunakan API Bluemix dalam melakukan tugasnya yaitu Object Storage, Visual Recognition, Ustream-TV dan Cloudant NoSQL.Proses perancangan Aplikasi berbasis Web Classie dengan mengintegrasikan API-API di atas berhasil dilakukan dan berjalan sesuai dengan fungsinya. Classie berhasil melakukan fungsinya berupa unduh materi kuliah, absensi kelas dan individual, dan streaming video perkuliahan.
Co-Authors Angga Putra Emir Husni Givy Devira Ramady Sarosa Castrena Abadi Topan Pratomo