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Journal : Jurnal RESISTOR (Rekayasa Sistem Komputer)

ANALISIS KINERJA PROTOKOL ZIGBEE DI DALAM DAN DI LUAR RUANGAN SEBAGAI MEDIA KOMUNIKASI DATA PADA WIRELESS SENSOR NETWORK I Nyoman Buda Hartawan; I Gusti Made Ngurah Desnanjaya
Jurnal RESISTOR (Rekayasa Sistem Komputer) Vol. 1 No. 2 (2018): Jurnal RESISTOR Edisi Oktober 2018
Publisher : LPPM STMIK STIKOM Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31598/jurnalresistor.v1i2.320

Abstract

Wireless sensor network is a technology used in supporting monitoring activities both inside and outside environment. Data communication on wireless sensor networks is done wirelessly. The Zigbee protocol is one of the protocols used in data communication on wireless sensor networks as an implementation of XBEE devices. In this study measurement of Zigbee protocol performance on XBEE devices inside and outside environment. The measurement conditions in the room are limited by the wall partition, while the outdoor conditions are line of sight. Measurements were made by sending packet data using XCTU software, by testing distance parameters, packet delay, packet loss, RSSI, and throughput with 84 Bytes packet data size. The results showed that the measurement results of XBEE Pro S2 devices that were carried out indoors were able to communicate with a maximum distance of 30 meters, while the outdoor measurements showed the communication capability of XBEE Pro S2 devices reached a maximum distance of 600 meters.
ANALISIS KINERJA INTERNET OF THINGS BERBASIS FIREBASE REAL-TIME DATABASE I Nyoman Buda Hartawan; I Wayan Sudiarsa
Jurnal RESISTOR (Rekayasa Sistem Komputer) Vol. 2 No. 1 (2019): Jurnal RESISTOR Edisi April 2019
Publisher : LPPM STMIK STIKOM Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31598/jurnalresistor.v2i1.371

Abstract

Internet of Things (IoT) technology makes it possible to monitor and control environmental conditions and electronic devices remotely via the internet. To be used as a monitoring and control tool, the IoT must be able to be operated in realtime. IoT must be able to provide information about an environmental condition and control electronic devices in real time. In this study a remote lighting control system was built using Firebase as a database that is able to turn on/off lights in realtime. The system is built using NodeMCU ESP8266 and android applications so that it is easier to implement on smartphones. The purpose of this study is to perform a performance analysis of firebase as a database that is able to update data in real time via the internet. Testing is done using various types of network connections such as 3G networks, 4G networks, and Local Area Networks (LANs). The test results show that Firebase supports the application of IoT that is capable of updating data in realtime, but the type of network connection used provides a varied delay effect. The average delay generated on 3G networks, 4G networks and LANs is 3.57 seconds, 1.42 seconds and 1.4 seconds.
ANALISIS KINERJA SERVER ELEARNING UNTUK PEMBELAJARAN SYNCHRONOUS BERBASIS BIG BLUE BUTTON DALAM MENDUKUNG PEMBELAJARAN DI MASA COVID-19 I Nyoman Buda Hartawan; I Putu Agus Yogi Subawa
Jurnal RESISTOR (Rekayasa Sistem Komputer) Vol. 4 No. 1 (2021): Jurnal RESISTOR Edisi April 2021
Publisher : LPPM STMIK STIKOM Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31598/jurnalresistor.v4i1.715

Abstract

COVID-19 has an impact on education which requires students to study from home. Teachers carry out teaching remotely via an internet connection so that learning activities that should be carried out at school can still run. The learning process is necessary to conduct live sessions via teleconference. The Big Blue Button is an alternative application to support the online learning process, especially in conducting live sessions. This study aims to analyze the Big Blue Button as a teleconference application to support learning activities online. Implementation is done by integrating the Big Blue Button with Moodle as a Learning Management System (LMS) Moodle. The test was done by conducting a teleconference simulation involving 42 students. The test results show the Big Blue Button can be used to support online learning activities and can be accessed well by 42 students simultaneously using either a PC or a mobile device.