Jurnal Jaringan Telekomunikasi
Jurnal Jaringan Telekomunikasi (Jurnal Jartel) merupakan jurnal repositori terbitan Program Studi Jaringan Telekomunikasi Digital, Politeknik Negeri Malang. Jurnal ini bertujuan menyediakan forum bagi para mahasiswa untuk berkontribusi dan menyebarluaskan karya baru inovatif yang berasal dari hasil penelitian di bidang Teknik Telekomunikasi, Informatika, Elektronika, Kelistrikan, maupun Kontrol dan Monitoring. Penerbitan dilakukan sebanyak empat kali per tahun dan seluruh artikel yang diterima dapat diakses secara online (akses terbuka).
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<![CDATA[Rancang Bangun Sistem Rekap Nilai Mahasiswa Prodi Jaringan Telekomunikasi Digital Politeknik Negeri Malang Menggunakan Jaringan Fiber Optik Berbasis Website Jurusan Teknik Elektro, Program Studi Jaringan Telekomunikasi Digital, Politeknik Negeri Malang ]]>
<![CDATA[Yudhistira Hendra Wijaya]]>;
<![CDATA[M. Nanak Zakaria]]>;
<![CDATA[Yoyok Heru Prasetyo Isnomo]]>
<![CDATA[ Jurnal Jaringan Telekomunikasi Vol 11 No 3 (2021): Vol. 11 No 03 (2021) : September 2021 ]]>
Publisher : <![CDATA[Politeknik Negeri Malang ]]>
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DOI: 10.33795/jartel.v11i3.6
<![CDATA[In undergoing the lecture process, one of the important elements is the student and the student's value. In the study program of Digital Telecommunication Network, Malang State Polytechnic itself is currently still using the data processing systems of student grades on standard computer worksheets without any special software. In addition, the increasing data from year to year will make it difficult in the process of access and search, where at this time Information technology is required to be faster and more accessible. In this study the method used in the student value recap is by creating a website. Then the website is uploaded on the server and uses fiber optic transmission media. The results of testing the system's website functionality could run according to planning. In testing the performance of website using wireless transmission media and optical fiber produced the best value of delay, packet loss, and throughput when using optical fiber networks, with 0.113s delay results for wireless transmission media and 0.004s with transmission media using optical fiber at 9 users accessing the website simultaneously. For the throughput value obtained was 48.229 kbps with wireless transmission media and 956.347 kbps with fiber optic transmission media. From this results, the more number of users obtained, the better the delay and throughput. And the packet loss parameters obtained 10.457% with wireless transmission media and 0.667% with optical fiber transmission media when accessed by 9 users]]>
<![CDATA[Analisis Kinerja Sistem Televisi Digital Didasarkan Pada Standar International Telecomunication Union ]]>
<![CDATA[Jauhariyatul Fajriyah]]>;
<![CDATA[Hudiono Hudiono]]>;
<![CDATA[Nugroho Suharto]]>
<![CDATA[ Jurnal Jaringan Telekomunikasi Vol 11 No 3 (2021): Vol. 11 No 03 (2021) : September 2021 ]]>
Publisher : <![CDATA[Politeknik Negeri Malang ]]>
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DOI: 10.33795/jartel.v11i3.51
<![CDATA[This study aims to determine the effect of the selection of the DVB-T2 parameter value on system performance. The parameters used are the parameters of Bandwidth, FFT size, Guard Interval, and Modulation Technique. The parameter values ??used are in accordance with those recommended by the ITU. System performance is observed by performing calculations and simulations. The simulation is carried out with the help of MATLAB software. The results of the simulation are observed with BER and SNR values ??to see the effect of fft size, Guard Interval and modulation techniques, while the effect of bandwidth values ??is observed by performing calculations. The results obtained show that the 10 MHz bandwidth has the largest channel capacity value with an increase of 25% from the 8MHz bandwidth value. Simulations carried out at the FFT size show that it does not have much effect on the performance of the DVB-T2 system. In the simulation, the Guard Interval value shows that the use of the Guard Interval value does not really affect the BER and SNR values, while the calculation of the effect of the Guard Interval on the maximum transmission distance in SFN mode shows that the maximum distance is generated with a Guard Interval value of 19/128 with an FFT value of 32K. with a distance of 159.5 Km. In the simulation of the modulation technique, the results show that QPSK has the best BER resistance compared to other modulation techniques, this is also in line with the results of the calculations.]]>
<![CDATA[Rancang Bangun Peralatan Pengukur Kuat Sinyal Seluler untuk Modul Praktikum Lab Telkom Wireless ]]>
<![CDATA[Anggita Sukma Nur Anggraini]]>;
<![CDATA[Aisah Aisah]]>;
<![CDATA[Abdul Rasyid]]>
<![CDATA[ Jurnal Jaringan Telekomunikasi Vol 11 No 3 (2021): Vol. 11 No 03 (2021) : September 2021 ]]>
Publisher : <![CDATA[Politeknik Negeri Malang ]]>
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DOI: 10.33795/jartel.v11i3.105
<![CDATA[This study was designed to facilitate data retrieval in order to monitor at any time via a smartphone with RSSI, RSRP, and RSRQ parameters. In this study, the test method was carried out on a predetermined route by comparing the measurement results on the measuring instrument and the G-Nettrack Pro. Data is taken at rest at 20 points, test drives with an average speed of 10 km/hour, and 20 km / hour using Telkomsel and Indosat providers. The RSSI measurement parameter for the Telkomsel provider has an average of -66.3 dBm on the G-Nettrack Pro software and on the measuring instrument the average value is -58.6 dBm. While the Indosat provider has an average value of -75.5 dBm on the G-Nettrack Pro software and on the measuring instrument the average value is -59.7 dBm. The RSRP measurement parameter for the Telkomsel provider has an average of -83.05 dBm on the G-Nettrack Pro software and on the measuring instrument the average value is -87.26 dBm. While the provider Indosat has an average value of -92.7 dBm on the G-Nettrack Pro software and on the measuring instrument the average value is -90.3 dBm. The RSRQ measurement parameter for the Telkomsel provider has an average of -7.73 dB on the G-Nettrack Pro software and on the measuring instrument the average value is -10.8 dB. While the Indosat provider has an average value of -12.89 dB on the G-Nettrack Pro software and on the measuring instrument the average value is -10.8 dB]]>
<![CDATA[Desain Sensor Tingkat Kekeruhan Air Menggunakan Bahan Fiber Optik ]]>
<![CDATA[Silviana Dewi Masitoh]]>;
<![CDATA[Yoyok Heru Prasetyo Isnomo]]>;
<![CDATA[Lis Diana Mustafa]]>
<![CDATA[ Jurnal Jaringan Telekomunikasi Vol 11 No 3 (2021): Vol. 11 No 03 (2021) : September 2021 ]]>
Publisher : <![CDATA[Politeknik Negeri Malang ]]>
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DOI: 10.33795/jartel.v11i3.113
<![CDATA[The importance of knowing the level of turbidity of water, especially in the activity of using drinking water in the form of clean water, requires a tool to be used to measure the level of turbidity of water. The use of optical fiber to determine the level of turbidity of water from the value of power loss is expected to be a solution to determine the level of turbidity of water before use. The research was conducted by measuring the value of power loss at the two ends of singlemode and multimode optical fiber connected to a fiber coupler, then measured using a Handheld Light Source and Optical Power Meter. The fiber coupler is modified by giving a 1mm hole at the center point to pass the tested water. Measurements were carried out with the condition of two optical ends without distance, the optical end was spaced 1mm apart, the optical end was spaced 1mm through clear water and water with a clouding agent in the form of ink. The largest measurement loss was obtained in singlemode optical fiber with a yellow color effect of 1.9dB. In multimode optical fiber, the yellow color cloud is 2.81dB. The results of the graph and calculation of power loss show the effect of adding an ink clouding agent to the measured power in the OPM. Based on the measurement results of changes in power loss that are not constant for each addition of 5 ml of turbidity, the sensor designed has low sensitivity.]]>
<![CDATA[Perancangan Sensor Kapasitor Dan Penggunaan Sensor Warna Sebagai Pendeteksi Tingkat Kematangan Biji Kopi Kawi Roasting Menggunakan Logika fuzzy Berbasis Arduino ]]>
<![CDATA[Bahril Ilmid Nugroho]]>;
<![CDATA[Azam Muzakhim]]>;
<![CDATA[Lis Diana Mustafa]]>
<![CDATA[ Jurnal Jaringan Telekomunikasi Vol 11 No 3 (2021): Vol. 11 No 03 (2021) : September 2021 ]]>
Publisher : <![CDATA[Politeknik Negeri Malang ]]>
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DOI: 10.33795/jartel.v11i3.114
<![CDATA[Coffee is one of the most popular drinks in Indonesia because of its taste and aroma. Coffee in its presentation has different types which are determined by the coffee beans maturity level during roasting, including light roast, medium roast and dark roast. Each of the three types of roasting profiles has a different level of moisture in the beans. The use of a roaster machine to determine the coffee beans maturity level often uses temperature and roasting time settings. Knowing the capacitance value in determining the roasting l evel is expected to increase the accuracy of the roasting level. In this study, a capacitor sensor consisting of two parallel copper plates was designed to determine the roasted coffee beans maturity level. The frequency value and color sensor in the system were used to determine the basic value of the classification of Kawi coffee beans maturity level in the fuzzy system. Based on the results, namely at a parallel cap acitor sensor distance of 2 cm, the oscilloscope readings of dark maturity have a frequency range between 201KHz - 213KHz, medium in the range 179KHz - 206KHz and light 178KHz - 200KHz. Meanwhile, the Arduino frequency counter readings at the dark maturity level in range of 204KHz - 234KHz, medium in range of 210KHz - 227KHz and light at 205KHz - 223KHz. The results of the maturity level classification of Kawi coffee beans with fuzzy values for dark < 43.50, 43.50 < medium < 174 and light > 174.]]>
<![CDATA[Rancang Bangun FM Transmitter Menggunakan Metode Spread Spectrum Signal Berbasis Raspberry Pi ]]>
<![CDATA[Achmad Hanif]]>;
<![CDATA[Aad Hariyadi]]>;
<![CDATA[Aisah Aisah]]>
<![CDATA[ Jurnal Jaringan Telekomunikasi Vol 11 No 3 (2021): Vol. 11 No 03 (2021) : September 2021 ]]>
Publisher : <![CDATA[Politeknik Negeri Malang ]]>
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DOI: 10.33795/jartel.v11i3.122
<![CDATA[The need for a communication system that can solve interference problems, can guarantee the confidentiality of information sent and can operate at low S / N (Signal to Noise Ratio) levels or is resistant to large noise. One of the technology in communication systems is the spread spectrum system An important characteristic of spread-spectrum communication is that it can provide protection against interfering signals with limited radio communication power using RDS technology and SBC-based spread spectrum which is compatible with spread spectrum technology which requires little power for operation SBC (Raspberry pi) can be implemented into an FM transmitter using the Broadcom bcm 2837 SOC socket which will produce a base clock, then the output signal will be generated via the GPIO 7.]]>
<![CDATA[Rancang Bangun Sistem Virtual Reality Nirkabel Berbasis WLAN ]]>
<![CDATA[Muh. Dimas Ariyanto]]>;
<![CDATA[Ahmad Wahyu Purwandi]]>;
<![CDATA[Muhammad Abdullah Anshori]]>
<![CDATA[ Jurnal Jaringan Telekomunikasi Vol 11 No 3 (2021): Vol. 11 No 03 (2021) : September 2021 ]]>
Publisher : <![CDATA[Politeknik Negeri Malang ]]>
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DOI: 10.33795/jartel.v11i3.230
<![CDATA[Virtual Reality technology is one of the technologies that currently growing and gaining interest, due to its wide application potential in multiple fields. Virtual Reality is a technology that allows a user interact with computer as well as other users through a virtual environment that replicates natural human senses, in this case encompassing hearing and sight. This research would explore design, realisation, and analysis of a wireless Virtual Reality system based on WLAN, using widely available hardware that is smartphone device. Practical implementation with widely available technology is prioritised compared to overall quality provided by the system. Operating system used for the PC is Microsoft Windows 10, and for smartphone Android version 6.0.1 is used as base. XAMPP distribution is used as HTTP server on top of Windows operating system on PC. Stereoscopic/360 degree MP4 video format is chosen as streaming load. The designed Virtual Reality system is capable of using hotspot capability of a smartphone to perform streaming of stereoscopic video with 1080s and 720s resolution. The designed room dimension is up to 6x4 meter for a single transceiver configuration, and up to 6x8 for two transceiver configuration. These dimension limitation is based on -3dB signal power drop that occurs at 5 meter distance in the performed test, as such the furthest distance between a transceiver and a client must be within 5 meter]]>
<![CDATA[Rancang Bangun Pendeteksi Gelombang Berdiri pada Kabel Koaksial Menggunakan Dioda Detector 1N4148 ]]>
<![CDATA[Anisa Yulia Haryanti]]>;
<![CDATA[M. Nanak Zakaria]]>;
<![CDATA[Aad Hariyadi]]>
<![CDATA[ Jurnal Jaringan Telekomunikasi Vol 11 No 3 (2021): Vol. 11 No 03 (2021) : September 2021 ]]>
Publisher : <![CDATA[Politeknik Negeri Malang ]]>
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DOI: 10.33795/jartel.v11i3.231
<![CDATA[In the coaxial transmission line, there is a theory of standing waves. Standing waves occur due to interference between one wave with another wave. Some institutions or colleges may not all have the equipment to observe the exact waveform of an electrical signal or commonly called an oscilloscope. One of them is Malang State Polytechnic. Therefore, in this study I want to make it easier for students, especially in the transmission line practicum course, to be able to describe the standing wave curve in coaxial cable. The results of the system implementation are carried out using an IC LED VU Display as a standing wave curve display where the generator functions as a signal input which regulates the predetermined input frequency and voltage. The results of the test of this system are that standing waves in mismatch conditions (Rl<50?) at points 4/10 to 7/10 , in mismatch conditions (Rl>50?) at points 7/10 and 8/10 are obtained by starting wave condition in match condition there is no reflected wave.]]>
<![CDATA[Prototype Mini Crane Pemindah Barang Berbasis Sistem Otomasi ]]>
<![CDATA[Aldi Alamsyah]]>;
<![CDATA[Hendi Purnata]]>;
<![CDATA[Muhammad Yusuf]]>
<![CDATA[ Jurnal Jaringan Telekomunikasi Vol 11 No 3 (2021): Vol. 11 No 03 (2021) : September 2021 ]]>
Publisher : <![CDATA[Politeknik Negeri Malang ]]>
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DOI: 10.33795/jartel.v11i3.233
<![CDATA[Crane is a tool used to make it easier to move and lift an item. This research aims to create a mini crane system for optimizing the movement of goods based on industrial automation that utilizes PLC (programmable logic controller) as the controller and Pneumatik s as the actuator. This system uses a Mitsubishi PLC as the main controller. PLC works based on the input obtained from the selector switch to select a manual or automatic work system. There is a push button as a start and stop button, a limit switch as a limiter for the movement of the X and Y axes of the Rodless Cylinder to move items, proximity sensors to detect the presence of items to be moved and those that have been moved. In the results of this study, the sensor used to detect the type of workpiece material uses an inductive proximity sensor. In one crane process takes a maximum of 15.37 seconds. The maximum weight that a vacuum can suck at a pressure of 3 bar is 650g, at a pressure of 4 bar it is 950g, and at a pressure of 6 bar it is 1059g.]]>
<![CDATA[Smartstrap Accessories Untuk Monitoring Kondisi Pasien Covid-19 saat Karantina Mandiri Berbasis Internet of Things ]]>
<![CDATA[Yoga Kholilul Akbar Pradana S]]>;
<![CDATA[M. Abdullah Anshori]]>;
<![CDATA[Abdul Rasyid]]>
<![CDATA[ Jurnal Jaringan Telekomunikasi Vol 11 No 3 (2021): Vol. 11 No 03 (2021) : September 2021 ]]>
Publisher : <![CDATA[Politeknik Negeri Malang ]]>
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DOI: 10.33795/jartel.v11i3.234
<![CDATA[The world is being hit by an outbreak of the Coronavirus Disease 2019 (COVID-19) pandemic in 2021. The number of Covid-19 cases continues to increase, especially in Indonesia itself, the number of Covid-19 sufferers is not proportional to the number of health workers. This tool aims to make simple accessories that are used to unite the conditions of patients infected with Covid-19 while undergoing independent activities, as well as being one of the efforts to implement social distancing. Based on tests conducted on 5 samples of people as patients, temperature measurements using the MLX90614 infrared sensor showed an average error of 0.12°C after being calibrated using a digital infrared thermometer. While the measurement of the pulse sensor MAX30100 after being calibrated with Oxymeter SO911 has an average error of 0.52 BPM in measuring heart rate in measuring oxygen saturation in the blood, showing an average error of 0.6%. For the Quality of Service (QoS) test results, the throughput value is 13,840 Kbps, packet loss is 0%, the average delay is 124,08649 ms and the jitter is 162.2 ms.]]>
