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Journal : Journal of Information Technology and Computer Science

Low Packet Latency Using New Radio Duty-Cycle Scheduling Method Setyawati, Onny; Muhammad, Abdur R.; Basuki, Achmad
Journal of Information Technology and Computer Science Vol. 8 No. 3: December 2023
Publisher : Faculty of Computer Science (FILKOM) Brawijaya University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25126/jitecs.202383566

Abstract

As energy conservation in Wireless Sensor Networks is crucial, the scheduling methods are required to ensure that sensor nodes operate for a longer period. Duty cycle scheduling can be accomplished using synchronous, asynchronous, or on-demand methods with additional radio channels. This study has integrated the on-demand method with an asynchronous scheduling mechanism for the wake-up radio. Model simulation results with random placements showed that the Wake-up Asynchronous On-demand Radio Duty-Cycle (WAORDC) method was able to achieve the latency value of 3.3 seconds, better than the CXMAC asynchronous method, and the total energy required was approximately 4% only, to activate the sensor node.
Simple and Cost-Effective Detection of Carbon Monoxide Gas Setyawati, Onny; Iswanjaya, Septian; Abidin, Zainul; Bahr, Andreas
Journal of Information Technology and Computer Science Vol. 9 No. 1: April 2024
Publisher : Faculty of Computer Science (FILKOM) Brawijaya University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25126/jitecs.202491567

Abstract

In several major cities throughout Indonesia, the air pollution represents a significant issue. The escalation of motorized vehicle usage yields increased concentrations of carbon monoxide gas, as one of the primary sources of gas pollution. This study introduced a tool designed and implemented for detecting levels of carbon monoxide gas and providing accurate indications. The tool used an MQ-7 gas sensor in combination with a dot matrix display for this purpose.  The detection apparatus was comprised of an IC 74HC595, an ATMEGA16 microcontroller, a BC557 PNP transistor, and a LED dot matrix. The ATMEGA16 microcontroller served as the primary control device of the system. It received input signals from the MQ-7 gas sensor and subsequently converted them into digital format for display on the dot matrix. The IC 74HC595 and transistor BC557 were utilized as the column controller and line controller, respectively, in the 5x8 LED dot matrix.  The gas level measurement at 0 cm exhibited the lowest error of approximately 0.6 %, measuring 300 ppm CO gas levels. On the other hand, at 10 cm, the result showed approximately an error of 6.7 % for a CO gas level of 200 ppm.
Co-Authors Abdul Wachid Syamroni Abdulhafidz Muhammad Abdullah Rasyid Achmad Basuki Achmad Basuki Adharul Muttaqin Agripina Noreen Mahardika Ahmad Badrus Sholeh Aji Seto Arifianto Akhdan Fadhli Zaim Alfi Maghfirah Alva Kosasih Andhika Pramana Putra Andiyansyah, Rizki Novan Andreas Horaciyo Simanjuntak Andriana Kusuma Dewi Angger Baskoro Anindita, Ruth Astari Ardytyan, Reiza Hafid Aziza, Miladina Rizka Azzurri, Dean Fachruddin Bahr, Andreas Bangert, Axel Brahmada, Yohanes Valerio Citra Trilaksana David Stefano Didik R. Santoso Didik Rahadi S Didik Rahadi S. Didik Rahadi S. Djul Fikry Budiman, Djul Fikry Dody Susilo Dzulfikar Ontoseno Edinar Valiant Hawali Effan Akbartama Eka Maulana Erfan Achmad Dahlan Erick Ilmiawan Ibrahim Erny Anugrahany Fitri Fitri Fransiska Sisilia Mukti Frediawan Yuniar Hadi Suyono Hadi Suyono Hariawan, Bramantia Rayhan Hario Partiansyah, Fakhriy Helmy Mukti Himawan Helmy Mukti Himawan, Helmy Mukti Herman Tolle Hermawan Arief Putranto Irawan, Novta Danyel Iswanjaya, Septian Ivana Varita Julius St., M. Juma'inah, n/a Jumiadi, Jumiadi Kusuma Jayadi Laila Roudhotul Karimah Lily M. Sikome M. Aziz Muslim M. Julius St M. Julius St M. Julius St. Maulana, Eka Maulana, Eka Milendy Arifputra Pamungkas Mira Orisa Moch. Agus Choiron Mochammad Nur Arifin Moechammad Sarosa Mohammad Wahyusuf Hidayatulloh Muhamad Ilham Muhammad Arsyil Khahaji Muhammad Athalla Muhammad Julius St. Muhammad Zein Muhammad, Abdur R. mukhlison st n/a Nurussa’adah Nadia Alifia Hadiyati Nainaufal Hidayah Nanang Sulistiyanto Nimas Wahyu Choironik Novia Alifianti Novvy Nurdiana Dewi Nurus Sa'adah Nurussa’adah, n/a Pancawati Dessy Aryanti Pasaribu, Dimpos Fransiskus Xaverius Ponco Siwindarto Prasetya, Muchamad Alec Purnomo Budi S. Purnomo Budi Santoso Putranto, Hermawan Arief Raden Arief Setyawan Raden Setyawan Rahmadwati Rahmadwati Rahmadwati, n/a Rahmadwati, Rahmadwati Rahman Arifuddin Rangga Pahlevi Putra Regina Basaria Patrisia Rieke Adriati W. Rif'an, Mochammad Rini Nur Hasanah Riska Nurtantyo Sarbini Risty Jayanti Yuniar Rizky Agung Pratama Ruslan Affandi Ruth Astari Anindita Sandhagen, Carl Septian Iswanjaya Shoffin Nahwa Utama Sholeh Hadi Pramono Susanto, Septian Alan Suyono, Hadi Syaiful Amri Syaiful Rachman Ubaid Ikbar Najib Nur Fauzi Utomo, Arie Cahyo Vika Mubarokah W., Rieke Adriati Wahyu Dirgantara Wijono Wijono Wijono Wijono Wijono Wijono Wijono Y. Reza Angga Sukma Zainul Abidin Zainul Abidin Zainuri, Akhmad