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All Journal Informatics for Educators and Professional : Journal of Informatics Journal Information System Development Jurnal Teknologi Komputer dan Sistem Informasi Vocatech : Vocational Education and Technology Journal Jurnal Minfo Polgan (JMP) International Journal of Information System & Innovative Technology JTKSI (Jurnal Teknologi Komputer dan Sistem Informasi)
Rahmadani Rahmadani
Universitas Pembangunan Panca Budi
Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Education Electrical & Electronics Engineering Engineering Languange, Linguistic, Communication & Media Library & Information Science Mathematics Mechanical Engineering Social Sciences Other

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IMPLEMENTASI ANT-BASED ROUTING ALGORITHM PADA MOBILE AD HOC NETWORK (MANET) Rahmadani, Safriadi
Journal Information System Development (ISD) Vol 2, No 1 (2017): Journal Information System Development (ISD)
Publisher : UNIVERSITAS PELITA HARAPAN

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Abstract

MANET is a network model cordless (wireless) from mobile devices that can be setup dynamically from anywhere and at anytime without using a fixed network infrastructure. Ease of use and it is without a fixed infrastructure (less infrastructure) makes this model very suitable for use in critical situations, such as in the aftermath of disaster, isolated areas and areas with minimal communications network resources. To maximize the utilization and use of MANET network system, especially on the determination and selection of the best route to a node can connect and transmit the packet from the source node to the destination node to be optimized. This study was done to improve the performance of packet delivery by creating a node that functioned as a gateway and client using routing protocols Ant-Based Routing Algorithm (ABRA) so as to reduce the processing time (overhead) that often occurs in MANET network. Testing is done with a number of different nodes of 10, 20, and 30 nodes, with a bandwidth of 5 Mbps, 5 Mbps and the packet area of 10x10 m. The test results demonstrate the value of performance metrics on throughput and delay have optimal performance and low overhead so that the process of communication in the area of MANET network can take place with the stable.Keywords: Manet, ant-based routing algorithm, networking
Context Mobile Application (CMA) for Increasing the Service of Koperasi in Indonesia Rijois Iboy Erwin Saragih; Rahmadani Rahmadani
JTKSI (Jurnal Teknologi Komputer dan Sistem Informasi) Vol 5, No 1 (2022): JTKSI (Jurnal Teknologi Komputer dan Sistem Informasi)
Publisher : JTKSI (Jurnal Teknologi Komputer dan Sistem Informasi)

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Abstract

Koperasi has an important role for economic growing in Indonesia. Especially in this time of pandemic, all countries in this world are face the same problem because of Covid-19 which is economic collapse beside the health issues. It is already a year that this virus affects the economic system of the countries. The government tries to grow the economic by supporting the small businesses through keperasi perhaps they may help the growing of the economics of the country. Unfortunately, most of conventional koperasi are still use the manual system to operate their serving to the member. In this research, it proposes mobile application of koperasi based on context needed in order to give better services to the member. The result of this research shows more than 80% user satisfy using this application.
KLASIFIKASI GENDER BERDASARKAN SUARA DENGAN NAIVE BAYES DAN MEL FREQUENCY CEPSTRAL COEFFICIENT Safriadi Safriadi; Rahmadani Rahmadani
VOCATECH: Vocational Education and Technology Journal Vol 2, No 1 (2020): October
Publisher : Akademi Komunitas Negeri Aceh Barat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.38038/vocatech.v2i1.45

Abstract

Bagi manusia mengenali suara merupakan hal yang mudah, dengan cara mendengarkan dengan seksama dan manusia mempunyai kecerdasan dalam mengenali pola suara. Berbeda dengan komputer, proses pengenalan suara merupakan proses yang sulit, hal ini dikarenakan komputer memerlukan suatu mekanisme yang standar dan logis dalam mengenali pola suara. Dengan metode Mel Frequency Cepstral Coefficient (MFCC) memiliki peran penting dalam menentukan karakteristik dari sebuah suara. Metode ini sering digunakan untuk verifikasi suara, pengenalan suara, deteksi emosi dari suara. Untuk melakukan klasifikasi pada penelitian ini menggunakan metode Naïve Bayes. Metode Naive Bayes merupakan salah satu metode klasifikasi, yang mana proses klasifikasi pada metode naïve bayes berdasarkan dari probabilitas dari data sebagai bukti dalam probalitas. Model yang digunakan pada metode Naive Bayes adalah model atribut independent. Dalam penelitian ini, data suara yang digunakan pada penelitian ini berupa data suara yang direkam mengunkan perekam suara dengan durasi rekaman suara maksimal 30 detik. Tingkat keberhasilan dalam penelitian ini sebesar 87%. Hal ini berdasarkan dari jumlah data pengujian 100 sampel, yang benar diklasifikasi sebanyak 87 sampel data sedangkan yang salah diklasifikasi sebanyak 13 data sampel suara. For humans, recognizing sounds is an easy thing, by listening carefully and understandingly to what is spoken and humans have intelligence in recognizing sound patterns. Unlike computers, the speech recognition process is a difficult process, this is because the computer requires a standard and logical mechanism to recognize sound patterns. With Mel Frequency Cepstral Coefficient (MFCC) method has an important role in determining the characteristics of a sound. This method is often used for verification of voice, speech recognition, emotion detection of voice. To perform the classification in this study using Naïve Bayes method. The Naive Bayes method is a classification method. In which the classification process in the naïve Bayes method is based on the probability of the data as evidence in probability. The model used in the Naive Bayes method is the independent attribute model. The accuracy rate in this research was 87%. It is based on the amount of data testing 100 samples, the true classified as 87 samples of data while false classified as 13 sample data.
Analysis Quality of Service (QoS) on Ad Hoc Networks with Network Simulator Version 3 (NS-3) Rahmadani Rahmadani; Supiyandi Supiyandi; Manalu Lia Kristina
International Journal of Information System and Innovative Technology Vol. 2 No. 1 (2023): June
Publisher : Geviva Edukasi Trans Teknologi

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Abstract

QoS (Quality of Service) results for throughput, packet loss and delay as well as data transfer process performance tests were carried out with the NS-3 simulator based on the number of nodes that are continuously added according to the scenario on the ad hoc network. The scenario of adding nodes is carried out in stages starting from 10 nodes, increasing to 20 nodes, up to 40 nodes. The results of the analysis and measurements obtained for throughput produce an average value of 3.1872 Kbps so that it is included in the good category. The packet loss parameter produces an average value of 3.48% which is included in the good category and the delay parameter produces an average value of 6,824 ms which is also included in the good category. The final results of the ad hoc network simulation process with NS-3 are presented in graphical view
Analisis Kinerja Protocol OLSR Pada Jaringan Ad Hoc Rahmadani Rahmadani
INFORMATICS FOR EDUCATORS AND PROFESSIONAL : Journal of Informatics Vol 8 No 1 (2023): INFORMATICS FOR EDUCATORS AND PROFESSIONAL : JOURNAL OF INFORMATICS (Edisi Khusus
Publisher : Lembaga Penelitian dan Pengabdian Masyarakat Universitas Bina Insani

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51211/itbi.v8i1.2513

Abstract

Abstrak: Analisis kinerja dengan menggunakan protocol Optimized Link State Routing (OLSR) pada jaringan ad hoc telah didapatkan hasil Quality of Service atau QoS terhadap nilai throughput, packet loss dan delay serta uji performa proses transfer data dilakukan dengan menggunakan software Network Simulator 3 (NS-3) pada sistem operasi Linux Ubuntu, berdasarkan jumlah node yang terus ditambah sesuai dengan skenario pengujian pada jaringan ad hoc. Skenario pengujian dilakukan dengan penambahan node secara bertahap mulai dari 10 node, kemudian ditambahkan menjadi 20 node, sampai berjumlah 40 node. Hasil analisis kinerja protocol Optimized Link State Routing (OLSR) serta pengukuran yang didapatkan terhadap nilai throughput, menghasilkan nilai rata-rata sebesar 3.1872 Kbps sehingga termasuk ke dalam kategori bagus. Nilai packet loss menghasilkan rata-rata sebesar 3,48% termasuk kedalam kategori bagus dan nilai delay menghasilkan rata-rata 6.824 ms yang juga masuk ke dalam kategori bagus. Hasil akhir analisis kinerja dengan menggunakan protocol Optimized Link State Routing (OLSR) pada jaringan ad hoc telah disajikan dalam bentuk grafik untuk memudahkan proses pengamatan dan penelitian selanjutnya.
Analysis Quality of Service (QoS) on Ad Hoc Networks with Network Simulator Version 3 (NS-3) Rahmadani Rahmadani; Supiyandi Supiyandi; Manalu Lia Kristina
International Journal of Information System and Innovative Technology Vol. 2 No. 1 (2023): June
Publisher : Geviva Edukasi Trans Teknologi

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

QoS (Quality of Service) results for throughput, packet loss and delay as well as data transfer process performance tests were carried out with the NS-3 simulator based on the number of nodes that are continuously added according to the scenario on the ad hoc network. The scenario of adding nodes is carried out in stages starting from 10 nodes, increasing to 20 nodes, up to 40 nodes. The results of the analysis and measurements obtained for throughput produce an average value of 3.1872 Kbps so that it is included in the good category. The packet loss parameter produces an average value of 3.48% which is included in the good category and the delay parameter produces an average value of 6,824 ms which is also included in the good category. The final results of the ad hoc network simulation process with NS-3 are presented in graphical view
Context Mobile Application (CMA) for Increasing the Service of Koperasi in Indonesia Rijois Iboy Erwin Saragih; Rahmadani Rahmadani
JTKSI (Jurnal Teknologi Komputer dan Sistem Informasi) Vol 5, No 1 (2022): JTKSI (Jurnal Teknologi Komputer dan Sistem Informasi)
Publisher : Institut Bakti Nusantara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56327/jtksi.v5i1.1120

Abstract

Koperasi has an important role for economic growing in Indonesia. Especially in this time of pandemic, all countries in this world are face the same problem because of Covid-19 which is economic collapse beside the health issues. It is already a year that this virus affects the economic system of the countries. The government tries to grow the economic by supporting the small businesses through keperasi perhaps they may help the growing of the economics of the country. Unfortunately, most of conventional koperasi are still use the manual system to operate their serving to the member. In this research, it proposes mobile application of koperasi based on context needed in order to give better services to the member. The result of this research shows more than 80% user satisfy using this application.
Rancang Bangun Aplikasi Pencatatan Data Penjualan Minuman Pada Next Coffee Pandan Berbasis Web Rajatua Batubara; Muhammad Amin; Rahmadani Rahmadani
Jurnal Minfo Polgan Vol. 14 No. 1 (2025): Artikel Penelitian
Publisher : Politeknik Ganesha Medan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33395/jmp.v14i1.14882

Abstract

Perkembangan teknologi informasi telah memberikan dampak signifikan dalam pengelolaan data pada berbagai sektor usaha, termasuk usaha mikro seperti warung kopi. Next Coffee Pandan merupakan salah satu badan usaha yang masih menggunakan pencatatan manual dalam aktivitas penjualannya. Pencatatan manual menyebabkan keterbatasan dalam pelacakan data penjualan dan pengambilan keputusan. Oleh karena itu, penelitian ini bertujuan untuk merancang dan membangun aplikasi pencatatan data penjualan minuman berbasis web. Aplikasi ini dikembangkan menggunakan bahasa pemrograman PHP dan database MySQL, dengan model pengembangan sistem waterfall. Hasil implementasi menunjukkan bahwa aplikasi dapat membantu pelaku usaha dalam mencatat penjualan, mengelola stok, dan menyajikan laporan penjualan secara efektif dan efisien.
Co-Authors Amin, Muhammad Manalu Lia Kristina Munadi Munadi Rajatua Batubara Rijois I. E. Saragih Safriadi Safriadi Supiyandi Supiyandi