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All Journal Journal of Computer Science and Informatics Engineering (J-Cosine) EDUMATIC: Jurnal Pendidikan Informatika Jurnal Teknologi Informasi, Komputer, dan Aplikasinya (JTIKA ) Jurnal Begawe Teknologi Informasi
Jatmika, Andy Hidayat
Universitas Mataram
Computer Science & IT Decision Sciences, Operations Research & Management Education Engineering

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Rancang Bangun WSN berbasis nRF24L01 dan SIM800l bertenaga Surya untuk Implementasi IoT secara Outdoor Wirarama Wedashwara; Budi Irmawati; Andy Hidayat Jatmika; Ariyan Zubaidi
Jurnal Pendidikan Informatika (EDUMATIC) Vol 5, No 2 (2021): Edumatic: Jurnal Pendidikan Informatika
Publisher : Universitas Hamzanwadi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29408/edumatic.v5i2.4164

Abstract

Internet of things (IoT) requires an internet network for data communication between machines. Wifi is not always available outdoors and requires more portable data communication. This study aims to design a prototype Wireless Sensor Network (WSN) based on nRF24L01 and solar-powered SIM800l for outdoor IoT implementation. The study used a total of five IoT devices with four nodes with nRF24L01 and one node with nRF24L01 and SIM800l. Each device uses an Arduino nano, TP4056, 6WP solar panel, and a 900mAh 18650 battery. The evaluation of the system includes a comparative QoS analysis, namely packet delivery ratio (PDR), throughput, and delay in star and bus topology through data collection of observation methods by sensors. The evaluation results show that for unidirectional data communication the star topology has better results with PDR 99,099%, throughput 99.393%, and delay 0.0095s. While the bus topology produces a slight difference in PDR 98.766%, throughput 98.461%, and delay 0.017s. Evaluation of energy availability shows that during the day with an average voltage of 3.703v and at night 2.976v, there is no significant difference. During the day it produces 99.301% PDR, 99.653% throughput, and 0.001s delay, while at night it produces 94.221% PDR, 99.881% throughput, and 0.027s delay.
Pengamanan Internet of Things Berbasis NodeMCU Menggunakan Algoritma AES Pada Arsitektur Web Service REST Ariyan Zubaidi; Rhomy Idris Sardi; Andy Hidayat Jatmika
Jurnal Pendidikan Informatika (EDUMATIC) Vol 5, No 2 (2021): Edumatic: Jurnal Pendidikan Informatika
Publisher : Universitas Hamzanwadi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29408/edumatic.v5i2.4113

Abstract

Data confidentiality and resource's limitation issues are challenges for the Internet of Things. To implement good security on IoT systems, cryptography can do it, but it needs an effective encryption algorithm that does not require a lot of resources. The purpose of this study is to secure an IoT system by implementing an algorithm that is successful in maintaining the confidentiality of data transmitted. This research uses an experimental approach, by creating an IoT system for agriculture and adding an encryption algorithm. The IoT system uses NodeMCU as a microcontroller. NodeMCU is a microcontroller with small resources so it needs an efficient algorithm to be implemented in it. One algorithm that has good performance in a desktop computing environment is the Advance Encryption Standard (AES) algorithm. The algorithm is tested in an IoT computing environment with a data exchange architecture using an REST (Representational State Transfer) web service, resulting in an IoT system for agriculture with cryptographic implementations in it. In the tests carried out, the encryption process of 128 and 256 bits of plain text took 266.31 and 274.31 microseconds, while the memory used was 16% and 17% of the total memory, respectively. This shows the encryption time is fast, and the memory usage is relatively small.
Implementasi Internet of Things pada Sistem Informasi Pelacakan Kendaraan Bermotor Menggunakan GPS Berbasis Web I Wayan Agus Arimbawa; Abdul Chalel Rahman; Andy Hidayat Jatmika
JTIKA (Jurnal Teknik Informatika, Komputer dan Aplikasinya) Vol 1 No 1 (2019): March 2019
Publisher : Program Studi Teknik Informatika, Fakultas Teknik, Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jtika.v1i1.10

Abstract

The research of motor vehicle tracking system using GPS have been done by some researchers. However those researches still have problems, such as the location’s accuracy, data transmision that is still manual using SMS, and systems that have not been integrated with the web server. This research applies the concept of Internet of Things on a vehicle system device consisting of four parts. There are an Arduino Uno R3 microcontroller as part of control, GY-NEO6MV2 GPS module providing position information, SIM900A GSM/GPRS module used to send or receive data from server, and web-based information system used to monitor position of vehicle. From the results it can be concluded that GPS Tracker device that was designed has ran well and produced an average error difference of 2,457 meters.
Meningkatkan Efisiensi Rute Pada Protokol Routing AOMDV Menggunakan Metode PA-SHORT di Jaringan MANET Yunia Puspita Wulandari; Andy Hidayat Jatmika; Fitri Bimantoro
JTIKA (Jurnal Teknik Informatika, Komputer dan Aplikasinya) Vol 1 No 1 (2019): March 2019
Publisher : Program Studi Teknik Informatika, Fakultas Teknik, Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jtika.v1i1.11

Abstract

Mobile Ad-Hoc Network (MANET) is a development of the Ad-Hoc Network, where the nodes of this network have dynamic mobility. There are several types of routing protocols in MANET, one of which is AOMDV. Route discovery on the AOMDV routing protocol is done by calculating the distance based on the number of hops. If the number of hops increased, it may cause a considerable delay and a decrease in throughput. This study compares the performance of the AOMDV routing protocol with the Path Aware-AOMDV (PA-AOMDV) routing protocol. PA-AOMDV routing protocol is obtained through modifications to the performance of the AOMDV protocol with the Path Aware SHORT algorithm. The Path Aware SHORT algorithm is a method to reduce the number of hops. SHORT improves routing optimization by monitoring routes and optimizing these routes that have better paths. The performance of both protocols will be seen based on four parameters, namely throughput, average end-to-end delay, packet delivery ratio, and routing overhead. Result shows that the throughput increased for 50 nodes is 61,84% and for 100 nodes is 45,2%, average end-to-end delay decreased for 50 nodes is 0,066% and for 100 nodes 0,12%, packet delivery ratio increased for 50 nodes is 60,87% and for 100 nodes 82,02%, and routing overhead decreased for 50 nodes is 67,07% and 100 nodes 45,36%.
Analisis Optimasi Kinerja Protokol Routing AODV dan AOMDV dengan Menggunakan Metode RFAP untuk Mencegah RREQ Flooding Attacks pada Jaringan MANET Andy Hidayat Jatmika; I Made Windra Yudistiana; Ariyan Zubaidi
JTIKA (Jurnal Teknik Informatika, Komputer dan Aplikasinya) Vol 1 No 1 (2019): March 2019
Publisher : Program Studi Teknik Informatika, Fakultas Teknik, Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jtika.v1i1.13

Abstract

One sector that greatly influences it is in terms of network security. This is due to the characteristics of the MANET network that are dynamic so that the MANET network is very easily disturbed by irresponsible parties. One of the attacks that can occur in MANET network is Route Request (RREQ) Flooding Attacks. In RREQ flooding attacks in the form of fake nodes that are outside the area of the network and broadcast RREQ to the destination node in the network, so that it meets the bandwidth capacity which results in a decrease in quality in determining the route of sending data or information to the destination node. To prevent the occurrence of RREQ flooding attacks, a prevention method for these attacks is required, namely the RREQ Flooding Attacks Prevention (RFAP). This method works by finding nodes that are likely to be malicious nodes then isolated from the network to be restored to normal nodes. This research will optimize the AODV and AOMDV routing protocols by adding RFAP prevention methods and knowing the performance of the two protocols in terms of throughput, average end-to-end delay and normalized routing load. Based on the results of the simulation, that the application of the method RFAP on AODV routing protocol can produce network quality is better than AOMDV protocol, both in terms of throughput, average end-to-end delay and normalized routing load.
Sistem Pendaftaran Hotspot Online Berbasis Web Menggunakan Mikrotik API, PHP, MySql Pada SMK Plus Nurul Hakim Kediri Lalu Yusran Said; Andy Hidayat Jatmika; I Wayan Agus Arimbawa
JTIKA (Jurnal Teknik Informatika, Komputer dan Aplikasinya) Vol 1 No 2 (2019): September 2019
Publisher : Program Studi Teknik Informatika, Fakultas Teknik, Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jtika.v1i2.28

Abstract

Abstract Now days the use of internet access is a priority for everyone. One of the internet media that is often used today is a hotspot network. Hotspot use at vocational high school (SMK) plus nurul Hakim using Indiehome wifi router. By default the hotspot security on this device uses a single password for all users connected to this hotspot network. This causes the security of the hotspot network is not safe, inefficient time and increases the workload of the Hotspot manager to change password at every change. Based on these problems, research is conducted that aims to create a web-based online hotspot registration system by using the PHP Programming Language, MikroTik PHP Class API, and MySQL Database. The results of this study are expected to be a solution to overcome the problem of hotspot service on vocational high school plus nurul Hakim kediri. If utilizing this hotspot registration system will help users register quickly. Keywords words: system register hotspot, API Mikrotik, PHP, MysQl, Mikrotik.
Pengaruh Penerapan Algoritma Clustering COEEC Terhadap Kinerja Protokol Routing DSR di Jaringan MANET Lalu Ikhwan Rosadi; Andy Hidayat Jatmika; Sri Endang Anjarwani
JTIKA (Jurnal Teknik Informatika, Komputer dan Aplikasinya) Vol 1 No 2 (2019): September 2019
Publisher : Program Studi Teknik Informatika, Fakultas Teknik, Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jtika.v1i2.33

Abstract

MANET can be used as an alternative communication solution because it is mobile, meaning that it does not have a fixed infrastructure. MANET implementation can use routing protocols, one example of which is Dynamic Source Routing (DSR). DSR routing protocol works when there is a request for sending packets from the source node to the destination node using two main mechanisms namely, route discovery and route maintenance. Route discovery occurs when the process of sending data from the source node to the destination node by performing a flooding mechanism to the neighboring node. If there is an excessive flooding mechanism, it can cause an increase in routing overhead on the DSR routing protocol. So to overcome these problems clustering is done by utilizing the Overhead Energy Efficient Cluster (COEEC) algorithm on the DSR routing protocol. The results of the addition of clusters in the DSR routing protocol with the COEEC algorithm can increase throughput performance by 43% and 31%, then an increase in the average end to end delay of 0.005% and 0.01%, then the packet delivery ratio parameter increases
Analisis Pengaruh Interferensi Frekuensi Terhadap Kinerja Access Point Dengan Teknologi IEEE 802.11n Suri Darmiantini; I Wayan Agus Arimbawa; Andy Hidayat Jatmika
JTIKA (Jurnal Teknik Informatika, Komputer dan Aplikasinya) Vol 1 No 2 (2019): September 2019
Publisher : Program Studi Teknik Informatika, Fakultas Teknik, Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jtika.v1i2.44

Abstract

Technologies that support wireless networks include WLAN (Wireless Local Area Network) and WPAN (Wireless Personal Area Network). One of the most widely used WLAN products today is IEEE 802.11n while the WPAN application is Bluetooth. Using the same frequency band in a coverage area can cause interference. Interference that occurs can be caused due to the use of 2 pieces of the same communication system, as well as different in a region. This study aims to determine how much influence interference has on the decline in the quality of a communication system with parameters measuring bandwidth, jitter, and packet loss. From the results of measurements and analysis shows that network quality is affected due to interference. Where if the network is free from interference around it, the network quality will be better, if the network experiences interference because using the same frequency band in the same coverage area can affect network quality such as reduced bandwidth value, increased jitter, and packet loss as well as channel usage and different channels. And the closer the distance of the access point that uses a different channel in a coverage area will cause the decreasing bandwidth value to increase the value of jitter and packet loss and vice versa. Keywords: interference, wireless, channel, bandwidth, jitter, packet loss.
SISTEM INFORMASI KEGIATAN PROGRAM STUDI TEKNIK INFORMTAIKA UNIVERSITAS MATARAM Anggi Fitriani; Ariyan Zubaidi; Andy Hidayat Jatmika
JTIKA (Jurnal Teknik Informatika, Komputer dan Aplikasinya) Vol 2 No 1 (2020): March 2020
Publisher : Program Studi Teknik Informatika, Fakultas Teknik, Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jtika.v2i1.73

Abstract

As an educational institution, each university competes to build an information system to provide the best service for all university citizens. Communication between lecturers, and between students is one of the focuses of the attention of managers of educational institutions. In this writing, the application of information technology is carried out to make a publication of activity reports for lecturers or students who are in the informatics engineering study program. Features in this system can facilitate students or academics in exploring information that is useful for their studies, such as providing information about publication of reports on seminars, guest lectures, workshops, and lecturers' services that have been carried out both within the faculty and the university itself or outside the university, where information on this activity can provide inspiration for lecturers and students themselves. conclusion: With the black box testing that has been done can show that all functions run correctly as desired.
ANALISIS PENGARUH VARIAN MODEL PROPAGASI TERHADAP KOMUNIKASI DATA PADA PROTOKOL ROUTING TORA, MDART DAN ZRP DI JARINGAN VANET (STUDI KASUS PETA JALAN KOTA PRAYA DAN BYPASS LOMBOK) Priya Tama Sugara; Andy Hidayat Jatmika; Ariyan Zubaidi
JTIKA (Jurnal Teknik Informatika, Komputer dan Aplikasinya) Vol 2 No 1 (2020): March 2020
Publisher : Program Studi Teknik Informatika, Fakultas Teknik, Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jtika.v2i1.84

Abstract

VANET is part of the Mobile Ad-hoc Network (MANET), but the nodes on VANET have a higher level of mobility. Each node that moves will cause network activity (topology changes) such as route search and message sending handled by each node. So that each node must have a routing protocol to facilitate communication in the network. The selection of the appropriate routing protocol is needed in urban and rural scenarios.This study aims to determine the effect of propagation model variants on data communication on the TORA, MDART and ZRP routing protocols on the VANET network on the Praya City and Bypass Lombok road maps with an area of ​​1000x1000 m2. For the variation of the routing protocol using four variations of the propagation model, namely the freespace propagation model, tworayground, shadowing, and nakagami. The number of nodes used in the Praya City road map is 35, 55, 70 nodes and in Lombok Bypass 25, 40, 60 nodes. The test parameters used are throughput, packet delivery ratio and end to end delay.In an urban scenario with an area of ​​1000x1000 m2, the TORA protocol gets a very good throughput parameter on nakagami propagation of 40.95 Kbps and on the ZRP protocol the value of the freespace propagation parameter PDR is 100%. While in the rural scenario a good value is obtained in freespace propagation is 4.82 second. Keywords: VANET, Routing Protocol, Propagation, NS2
Co-Authors Abdul Chalel Rahman Afwani, Royana Agitha, Nadiyasari Ahmad Zafrullah Mardiansyah Ahmad Zafrullah Mardiansyah Ahmad Zafrullah Mardiyansyah Anggi Fitriani Ari Hernawan Ariyan Zubaidi Ariyan Zubaidi B. Nurwahyu Hairani Baiq Alung Septiya Nirmala Basariah Budi Irmawati Fitri Bimantoro Heri Wijayanto I Gde Putu Wirarama Wedashwara I Gede Putu Wirarama Wadashwara Wirawan I Made Windra Yudistiana I Putu Gede Krisna Parwata I Wayan Agus Arimbawa Juan Dwiky Liestanto Laeli Oktami Lalu Ikhwan Rosadi Lalu Yusran Said Mila Rosiana Moh Ali Albar Muhammad Lanang Agung Anggoro Nazibullah Nazibullah Ni Desak Ketut Pujika Dewi Niana Niana Nini Kurnia Safitri Noor Alamsyah Noor Alamsyah Nurul Hidayah Nurul Umami Priya Tama Sugara Ramaditia Dwiyansaputra Raphael Bianco Huwae Rhomy Idris Sardi Sri Endang Anjarwani Suri Darmiantini Wirarama Wedashwara Wirarama Wedashwara Wirarama Wedashwara Yunia Puspita Wulandari