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Fallo, Kristoforus
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Pengembangan mekanisme grid based clustering untuk peningkatan kinerja LEACH pada lingkungan Wireless Sensor Network Fallo, Kristoforus; Wibisono, Waskitho; Pamungkas, Kun Nursyaful Priyo
Register: Jurnal Ilmiah Teknologi Sistem Informasi Vol 5, No 2 (2019): July-December
Publisher : Information Systems - Universitas Pesantren Tinggi Darul Ulum

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1316.216 KB) | DOI: 10.26594/register.v5i2.1708

Abstract

Development of a grid-based clustering mechanism to improve LEACH performance in the Wireless Sensor Network environmentLow Energy Adaptive Clustering Hierarchy (LEACH) merupakan algoritma routing pada Wireless Sensor Network (WSN) berbasis cluster. LEACH memilih sebuah node sebagai cluster head (CH) yang tugasnya untuk melakukan komunikasi dengan sink maupun guna mengumpulkan data dari member node. Persebaran CH pada LEACH yang dikatakan acak, kadang mengalami masalah mengingat rumus probabilitas pada tiap round. Hal ini akan menyebabkan CH yang terpilih bisa berada di tepi area, juga terjadinya pemborosan energi karena jalur yang terbentuk akan menjadi panjang. Oleh karena itu, kami ingin mengembangkan routing protocol G-LEACH menggunakan teknik merge CH dalam suatu area (grid) disertai beberapa parameter yang relevan, seperti posisi node, node dengan sisa energi terbesar, dan jarak yang dihitung dalam tiga jarak yaitu jarak node menuju cluster center, jarak node menuju merge CH, dan jarak merge CH menuju sink. Hasil pengujian menunjukan bahwa dengan menggabungkan cluster (merge CH) pada transmisi data menuju sink pada protokol G-LEACH dapat menghasilkan masa hidup jaringan yang lebih lama pada seluruh operasi node, energi yang dibutuhkan pada semua node lebih rendah, dan lebih banyak paket data yang dikirim dan diterima oleh sink. Low Energy Adaptive Clustering Hierarchy (LEACH) is a routing algorithm in a cluster-based Wireless Sensor Network (WSN). LEACH selects a node as a cluster head (CH) whose responsibility is for communicating with sinks and collect data from the node members. The distribution of CH on LEACH, which is basically random, sometimes has a problem in remembering the probability formula on each round. This may make the selected CH on the edge of the area as well as generate energy waste because the pathway formed will be lengthy. Therefore, we would like to develop the G-LEACH routing protocol using a merge CH technique in one area (grid) with several relevant parameters, such as the position of the node, the node with the largest remaining energy, and the distance calculated in three distances: the distance of the node to the clustercenter, the distance of the node to the merge CH, and the distance of the merge CH to the sink. The test result showed that combining clusters (merge CH) in the data transmission to the sink in the G-LEACH protocol could produce a longer network life on all node operations, lower energy required for all nodes, and more data package sent and received by the sink.
Pengembangan mekanisme grid based clustering untuk peningkatan kinerja LEACH pada lingkungan Wireless Sensor Network Fallo, Kristoforus; Wibisono, Waskitho; Pamungkas, Kun Nursyaful Priyo
Register: Jurnal Ilmiah Teknologi Sistem Informasi Vol 5, No 2 (2019): July
Publisher : Information Systems - Universitas Pesantren Tinggi Darul Ulum

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26594/register.v5i2.1708

Abstract

Development of a grid-based clustering mechanism to improve LEACH performance in the Wireless Sensor Network environmentLow Energy Adaptive Clustering Hierarchy (LEACH) merupakan algoritma routing pada Wireless Sensor Network (WSN) berbasis cluster. LEACH memilih sebuah node sebagai cluster head (CH) yang tugasnya untuk melakukan komunikasi dengan sink maupun guna mengumpulkan data dari member node. Persebaran CH pada LEACH yang dikatakan acak, kadang mengalami masalah mengingat rumus probabilitas pada tiap round. Hal ini akan menyebabkan CH yang terpilih bisa berada di tepi area, juga terjadinya pemborosan energi karena jalur yang terbentuk akan menjadi panjang. Oleh karena itu, kami ingin mengembangkan routing protocol G-LEACH menggunakan teknik merge CH dalam suatu area (grid) disertai beberapa parameter yang relevan, seperti posisi node, node dengan sisa energi terbesar, dan jarak yang dihitung dalam tiga jarak yaitu jarak node menuju cluster center, jarak node menuju merge CH, dan jarak merge CH menuju sink. Hasil pengujian menunjukan bahwa dengan menggabungkan cluster (merge CH) pada transmisi data menuju sink pada protokol G-LEACH dapat menghasilkan masa hidup jaringan yang lebih lama pada seluruh operasi node, energi yang dibutuhkan pada semua node lebih rendah, dan lebih banyak paket data yang dikirim dan diterima oleh sink. Low Energy Adaptive Clustering Hierarchy (LEACH) is a routing algorithm in a cluster-based Wireless Sensor Network (WSN). LEACH selects a node as a cluster head (CH) whose responsibility is for communicating with sinks and collect data from the node members. The distribution of CH on LEACH, which is basically random, sometimes has a problem in remembering the probability formula on each round. This may make the selected CH on the edge of the area as well as generate energy waste because the pathway formed will be lengthy. Therefore, we would like to develop the G-LEACH routing protocol using a merge CH technique in one area (grid) with several relevant parameters, such as the position of the node, the node with the largest remaining energy, and the distance calculated in three distances: the distance of the node to the clustercenter, the distance of the node to the merge CH, and the distance of the merge CH to the sink. The test result showed that combining clusters (merge CH) in the data transmission to the sink in the G-LEACH protocol could produce a longer network life on all node operations, lower energy required for all nodes, and more data package sent and received by the sink.
Wireless Network Service Quality Analysis at Kefamenanu 1 State Vocational School using QoS Methods Silla , Intan Nubriyanti; Rema, Yasinta Oktaviana Legu; Fallo, Kristoforus
Internet of Things and Artificial Intelligence Journal Vol. 4 No. 4 (2024): Volume 4 Issue 4, 2024 [November]
Publisher : Association for Scientific Computing, Electronics, and Engineering (ASCEE)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31763/iota.v4i4.812

Abstract

Indonesia is one of the largest archipelagic countries in the world, one of the challenges is that the existing internet network is not optimal and should be evenly distributed throughout Indonesia. This article is one of the efforts to increase the capacity and use of the internet, especially to support the education process which should be evenly distributed in various regions in Indonesia, not only in Java but also in areas outside Java. especially in East Nusa Tenggara. NTT is one of the areas discussed in this article, specifically at Kefamenanu 1 State Vocational School. This article puts forward some essential aspects in the development and installation of the internet in this school, including using the right measurements of Quality of Service (QoS). QoS includes many things such as Throughput, Bandwidth, Packet Loss, and other parameters that are essential in building and analyzing internet networks that have a wide scope, especially for the Education level. Vocational High Schools are not only expected to be able to use the internet but also build, design, install, and perform detailed analysis on the internet network they build. Two essential networks must be able to be installed, i.e., a Wireless Network and Local Area Network.
Student Attendance Information System at SMKN with Web-Based QR Code Rojari, Fatima; Kelen, Yoseph Pius Kurniawan; Syarifuddin, Risald; Fallo, Kristoforus; Syahyadi, Asep Indra
JESII: Journal of Elektronik Sistem InformasI Vol 3 No 1 (2025): JOURNAL ELEKTRONIK SISTEM INFORMASI (JUNE)
Publisher : Departement Information Systems Universitas Kebangsaan Republik Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31848/jesii.v3i1.4034

Abstract

SMKN Kakuluk Mesak is a vocational high school located in Dua Laus Village, Kakuluk Mesak District, Belu Regency, East Nusa Tenggara Province, which prepares students to work in specific fields. Students can continue their education at SMK after completing their education at the junior high school level. The study period for SMK students is carried out for three to four years of learning, which is divided into three years of study at school and one year in the related industry department. SMKN Kakuluk Mesak has five majors: APAT, NKPI, WBE, TKPI, and APHPI. One of the problems at SMKN Kakuluk Mesak in terms of technology is the manual attendance and grading of students. Attendance and grades are recorded using books. Therefore, a web-based student attendance information system with QR code is needed to facilitate the student attendance process. This system is built using the waterfall method, which is a systematic and directed approach to developing software in which it is used step by step until it runs in order. This research resulted in a website-based student attendance information system with QR code that helps the school manage attendance data and students can view grades and attendance records anytime and anywhere. Keywords: Website; QR Code; Attendance; Waterfall
PELATIHAN PACKAGING DAN SARANA PROMOSI MINYAK SEREH WANGI PRODUKSI KELOMPOK TANI “GEMA INDUSTRI” DESA OENENU KECAMATAN BIKOMI TENGAH KABUPATEN TTU Satmalawati, Maria Magdalena Endah Mulat; Metboki, Bernadina; Fallo, Kristoforus
Jurnal Abdi Insani Vol 12 No 2 (2025): Jurnal Abdi Insani
Publisher : Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/abdiinsani.v12i2.2067

Abstract

Citronella oil produced by the “Gema Industri” farmer group is the only processor of essential oils made from citronella plants (Cymbopogon nardus) in North Central Timor Regency (TTU). The location of this home industry is in Oenenu Village, Bikomi Tengah District and has been carried out since 2000 until now using very simple equipment. Citronella oil distillation activities are carried out twice a week including marketing activities. The demand for citronella oil, especially in TTU Regency, which is adjusted to the purchasing power of the community, is not limited to pure citronella oil, but other products such as mixing several ingredients for medicinal purposes according to local wisdom such as massage oil or for treating toddlers in the form of a mixture of coconut oil and citronella oil in a ratio of 5:1 and other herbal ingredients. The results from the sale of products created by the “Gema Mandiri” farmer group have allowed this farmer group to survive until now. Product marketing is still done manually and relies on acquaintances and regular customers and there have been no more modern marketing breakthroughs such as the use of promotional media and digital marketing. In addition, the packaging of citronella oil is still limited to one size variant (100 ml) and has not been well designed, namely made of transparent plastic that does not meet product safety requirements, on the other hand the labeling is still very simple and does not fully describe the benefits of the product. The purpose of PkM is to help the "Gema Industri" farmer group in increasing market share by improving safer packaging with various volume and presentation variations so that it can increase people's purchasing power. The method used in the PkM activity is carried out in 2 stages, namely lectures and training on the use of packaging and labeling and training in selling via the internet in this case promotion on social media. In this activity, the Community Service Team provided a transfer of IPTEKS on safe essential oil packaging such as the use of dark bottles that protect the product from direct sunlight. The community service team also introduced various forms and presentations of citronella oil with varying sizes starting from 10 ml in the form of a roll on so that it is more practical and affordable for the community, besides that there are other forms that are also practical in their presentation. Various packaging must also be supported by good promotional media, for that the devotion team designed a business leaflet that describes a brief profile of the "Gema Industri" Farmer Group, the steps for making citronella oil and also an introduction to the products produced. With this business leaflet, it is hoped that the Gema Industri Farmer Group will find it easier to promote its products and hopefully it will be better known by the public. Members of the farmer group are also trained on how to promote and sell citronella oil and other citronella oil products via the internet (website and social media) in addition to using the leaflets that are distributed and the participation of the farmer group in exhibitions. The devotion activity on the use of safe packaging for the production of citronella oil at the GEMA INDUSTRI Farmer Group in Oenenu Village has gone well and brought benefits to the group. Citronella oil products are currently packaged in a variety of attractive packaging variations, hopefully it can further increase public interest in using them.
IMPLEMENTASI MANAJEMEN BANDWITH JARINGAN MENGGUNAKAN METODE QUEUE TREE PADA SMA 1 KEFAMENANU Uky, Nini Trifena; Kelen, Yoseph Pius Kurniawan; Fallo, Kristoforus
Jurnal Informatika dan Teknik Elektro Terapan Vol. 14 No. 1 (2026)
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jitet.v14i1.8300

Abstract

Abstrak. Teknologi jaringan komputer saat ini telah memasuki hampir keseluruhan segi kehidupan. Sangat sulit pada saat ini menemukan bidang kegiatan yang belum tersentuh oleh teknologi jaringan komputer. Hal ini dapat dilihat dari pengguna fasilitas jaringan komputer, baik untuk keperluan suatu instansi maupun untuk keperluan pribadi. Teknologi jaringan komputer telah menjadi salah satu hasil penting untuk diterapkan dalam era globalisasi dan komputerisasi. Jaringan komputer merupakan satuan komputer yang saling berhubungan satu sama lain dengan menggunakan protokol komunikasi yang melalui media kominukasi agar dapat saling berbagi informasi. Jaringan komputer sendiri bukanlah hal yang baru karena pada setiap instansi telah menggunakan dan memanfaatkan jaringan komputer. [1] Manajemen bandwith merupakan salah satu yang penting dalam jaringan komputer, dimana manajemen bandwith berfungsi sebagai pengatur jaringan bandwith yang setiap pengguna jaringan tersebut memperoleh bandwith yang merata walaupun dengan jumlah pengguna yang banyak. Manajemen bandwith juga merupakan ukuran, lebar dan luas saluran data yang melewati sebuah koneksi yang dikirim melakui jaringan internet. Manajemen bandwith adalah suatu proses pengontrol paket yang dikirim melalui jaringan agar paket yang dikirim tidak terjadi kegagalan diakibatkan koneksi jaringan yang buruk atau kemacetan dalam jaringan. Untuk mengatur manajemen bandwith dibutuhkan metode yang tepat agar permasalahan bisa teratasi sehingga akses jaringan menjadi optimal Abstract Computer network technology has now entered almost every aspect of life. It is very difficult today to find a field of activity that has not been touched by computer network technology. This can be seen from the use of computer network facilities, both for institutional purposes and personal needs. Computer network technology has become one of the important outcomes to be applied in the era of globalization and computerization.A computer network is a unit of computers interconnected with one another using communication protocols through communication media so that they can share information. Computer networks themselves are not something new, since every institution has already used and benefited from them (Heryanto, 2019).Bandwidth management is one of the important aspects in computer networks, where bandwidth management functions as a regulator to ensure that every network user receives fair bandwidth distribution even with a large number of users. Bandwidth management is also defined as the measurement, width, and capacity of the data channel passing through a connection that is transmitted over the internet network.Bandwidth management is a process of controlling packets transmitted through the network so that packet delivery does not fail due to poor connections or network congestion.
Evaluating interactive R-Shiny based mathematics learning media through motivation and engagement pathways in border-region schools Simarmata, Justin Eduardo; Purnomo, Miko; Fallo, Kristoforus
Journal on Mathematics Education Vol. 17 No. 1 (2026): Journal on Mathematics Education
Publisher : Universitas Sriwijaya in collaboration with Indonesian Mathematical Society (IndoMS)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22342/jme.v17i1.pp225-246

Abstract

Persistent disparities in mathematics learning outcomes between urban and border-area schools underscore enduring structural inequities linked to limited access to effective, contextually appropriate digital learning environments. Although technological integration in education has expanded substantially, empirical research examining the pedagogical effectiveness of interactive computational platforms—such as those developed using R-Shiny—remains limited, particularly in geographically marginalized regions. This study investigates the effectiveness of R-Shiny-based interactive mathematics learning media in enhancing students’ conceptual understanding and learning achievement. A quantitative research design employing a pretest–posttest approach was utilized, supported by validated questionnaires administered to 101 tenth-grade students enrolled in senior high schools along the Indonesia-Timor Leste border. Data were analyzed using Confirmatory Factor Analysis (CFA) to establish construct validity and Structural Equation Modeling (SEM) to test hypothesized relationships among learning motivation, student engagement, user satisfaction, conceptual understanding, and perceived academic performance. Descriptive statistics revealed consistent improvements in posttest scores relative to pretest results, signifying measurable gains in conceptual understanding. Moreover, SEM analysis indicated that learning motivation, student engagement, and user satisfaction each exerted positive and statistically significant effects on conceptual understanding, which in turn significantly predicted perceived academic performance. Collectively, these findings suggest that R-Shiny-based interactive media foster not only improved cognitive outcomes but also strengthen motivational and engagement-related processes that mediate mathematics learning in geographically disadvantaged educational settings.
Co-Authors Bernadina Metboki, Bernadina Maria Magdalena Endah Mulat Satmalawati Miko Purnomo Pamungkas, Kun Nursyaful Priyo Risald Rojari, Fatima Silla , Intan Nubriyanti Simarmata, Justin Eduardo SYAHYADI, ASEP INDRA Uky, Nini Trifena Waskitho Wibisono Yasinta O.L Rema Yoseph Pius Kurniawan Kelen