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[Perancangan Stetoskop Elektronik Dan Aplikasi Analisa Suara Jantung Dengan Pengolahan Sinyal Digital ]]>
<![CDATA[Arya Adhi Nugraha]]>
<![CDATA[ Jurnal Jaringan Telekomunikasi Vol 1 No 1 (2015): Vol 01 No 01 (2015) : Mei 2015 ]]>
Publisher : <![CDATA[Politeknik Negeri Malang ]]>
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DOI: 10.33795/jartel.v1i1.123
<![CDATA[In this paper and has implemented a stethoscope electronic application sound analysis in heart client-server. A stethoscope electronics will catch a heart and menghantarkannya to computer so that the computer can sound mendigitalisasi heart. The application will process, sound analysis heart store and display a heart condition and sound spectrum of the heart. Extraction habitude anything undertaken to gain special habitude from the heart to perform the process of decomposing paket wavelet and root mean square ( rms ) at the sound of the heart. From the data obtained, in different heart conditions, decomposition of wavelet package give value range min 6 up to a maximum of 23 is much larger and RMS only give minimal range 0.04 to 0.16 in band 0-125Hz of variations of the same types of heart conditions. Sample Data obtained from 5 persons recorded sound his heart and then analyzed with the same two methods. The Data obtained are more closer to the normal heart sound so it can be deduced from the 5 sample data used is the sound of the heart under normal conditions.]]>
<![CDATA[Rancang Bangun Antena Stacked turnstile Pada Frekuensi 2,4 GHz Untuk Aplikasi WIreless Local Area Network (WLAN) ]]>
<![CDATA[Erwan Dian Sitoresmi]]>;
<![CDATA[waluyo waluyo]]>;
<![CDATA[Koesmarijanto Koesmarijanto]]>
<![CDATA[ Jurnal Jaringan Telekomunikasi Vol 1 No 1 (2015): Vol 01 No 01 (2015) : Mei 2015 ]]>
Publisher : <![CDATA[Politeknik Negeri Malang ]]>
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DOI: 10.33795/jartel.v1i1.124
<![CDATA[The purpose of this research is to design an antenna that will be used as a transmitting antenna that can level up the receiver. The designed antenna is a stacked turnstile antenna that has again of 3dB from previous studies. At the turnstile antenna using a power divider to raise the antenna gain of 1.5dB. Power divider is used Wilkins on power divider with a vertical stack. The stack distance used is0.6?. From the results of the implementation of the AntennaLaboratory of the Polytechnic of Malang, a stacked turnstile antenna produces vertical polarization and omnidirectional radiation patterns. Value of the measured return loss is-13.8dBat a frequency of 2,384MHz. Additionally stacked turnstile antenna has a value of 4.83dBi gain. VSWR values were measured at a frequency of 2,384GHz is 1,091 and has 425MHz bandwidths frequencies ranging from 2275 to 2700MHz. Level of signal reception at the access point-Link TL Type WA 5110G higher than 4dbm antenna access point, while stacked turnstile antennas transmitting antenna at a maximum distance of 100m to get the signal reception is better than 84dB antenna access point signal reception-89dB.]]>
<![CDATA[Perancangan dan Implementasi Aplikasi Android Sebagai Layanan Mobile Payment Gateway Pada Sistem Online Payment Point (SOPP) PDAM Kabupaten Malang ]]>
<![CDATA[grifito yuan maulidina]]>
<![CDATA[ Jurnal Jaringan Telekomunikasi Vol 1 No 1 (2015): Vol 01 No 01 (2015) : Mei 2015 ]]>
Publisher : <![CDATA[Politeknik Negeri Malang ]]>
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DOI: 10.33795/jartel.v1i1.125
<![CDATA[The development of online payment systems such as the online payment point system has greatly assisted the public in processing monthly transactions such as water bills. However, in its application, this system still uses large devices such as computers and inkjet printers so that the operation takes a long time and is less efficient. Therefore, in this study, a mobile application is designed to replace the role of computers in making water bill payment transactions in the online payment point system (SOPP) of PDAM Malang Regency. The application that is connected to a database server via the internet is also integrated with a compact wireless thermal printer that can be carried anywhere and does not require ink refills so that it can speed up the transaction process and be more efficient in time, paper and space. The research method used was experimental and survey methods. The experimental method is used to test the running of the application, test the application's compatibility with the device and measure the time it takes for the application to exchange data. The survey method is used to test user satisfaction with the application.]]>
<![CDATA[Rancang Bangun Sistem Pakar Diagnosa Penyakit Tropis Menular Berbasis Android Menggunakan Metode Gabungan Forward Chanining dan Backward Chaining ]]>
<![CDATA[Muhammad Fahmi Hidayah]]>
<![CDATA[ Jurnal Jaringan Telekomunikasi Vol 1 No 1 (2015): Vol 01 No 01 (2015) : Mei 2015 ]]>
Publisher : <![CDATA[Politeknik Negeri Malang ]]>
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DOI: 10.33795/jartel.v1i1.126
<![CDATA[A doctor or medical scholar needs a reference book to learn how to diagnose tropical diseases. This reference book is sometimes a hassle if you have to carry it everywhere. This reference book is also impractical if you have to search it first to find the symptoms and diseases you want to study. So that we need a system to make it easier for doctors and medical scholars to study the science of diagnosis and look for symptoms and diseases. Expert systems are knowledge-based programs that provide expert quality solutions to problems in a specific domain. This expert system is used in the fields of medicine, agriculture, business, and others. Expert systems in the field of medicine make it easy to identify diseases suffered by patients through the symptoms present in the patient. This expert system helps doctors make diagnoses to convince doctors about the results of the diagnosis. The expert system in this study uses a combined method. The combined method is forward chaining and backward chaining. The forward chaining method is used to determine specific symptoms that appear, while the backward chaining method is used to trace general symptoms that arise from specific symptoms that have been previously selected. The result of combining these methods provides a diagnostic percentage of 100%. Meanwhile, the user's assessment of the system gives a good response.]]>
<![CDATA[Rancang Bangun dan Analisis Antena Yagi 11 Elemen Pencatu Folded Dipole Untuk Jaringan VoIP ]]>
<![CDATA[fandy himawan]]>
<![CDATA[ Jurnal Jaringan Telekomunikasi Vol 1 No 1 (2015): Vol 01 No 01 (2015) : Mei 2015 ]]>
Publisher : <![CDATA[Politeknik Negeri Malang ]]>
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DOI: 10.33795/jartel.v1i1.127
<![CDATA[The problem that often occurs in VOIP networks using wireless media is the weak signal received and transmitted by the transceiver device at a long distance from the wireless router, so that the quality of VOIP service is often disconnected. The purpose of this research is to design and realize an 11 element yagi antenna with folded feed elements. dipole as an antenna for a transceiver device whose gain is better than a built-in antenna, so that it can support VOIP services. Yagi antenna is an antenna consisting of 3 elements, namely a reflector element, a driven element and a director element. The reflector element and the director element cause the yagi antenna to be directional so that a large gain is obtained from a certain point, while the driven one is used is a folded dipole antenna which has an impedance of 300 ohms so that the matching technique to the 50 ohm transmission line becomes easier. Ghz is less than 1.5 and RL is less than -14 dB. The bandwidth obtained is 620 MHz, the gain is 16.08 dBi with directional radiation and linear polarization. In implementation, the VOIP service is stable at a distance of 50 m using a yagi antenna, compared to the less stable built-in antenna.]]>
<![CDATA[Simulator Perbandingan Data Rate Modulasi QPSK dan 16 QAM Sistem WCDMA (Wide Code Division Multiple Access) dan HSDPA (High Speed Downlink Packet Access) ]]>
<![CDATA[Herdianna Kusuma w]]>
<![CDATA[ Jurnal Jaringan Telekomunikasi Vol 1 No 1 (2015): Vol 01 No 01 (2015) : Mei 2015 ]]>
Publisher : <![CDATA[Politeknik Negeri Malang ]]>
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DOI: 10.33795/jartel.v1i1.130
<![CDATA[HSDPA (High Speed Downlink Packet Access) is the upgrade performance data packets extraordinary against WCDMA thus producing top speed 14,4 Mbps. One of the goals the creation of HSDPA is as an improvement over previous technologies. The expected improvement of HSDPA technology increasing the data rate is capable of exceeding data rate in order to WCDMA customer satisfaction in accessing multimedia content such as streaming video and data at high speed. Data Rate is the maximum data rate that can be accepted by the UE (User Equipment) in ideal conditions. One of the factors that affect the data rate is modulation scheme used by each of the technologies. QPSK modulation is used in WCDMA system and adaptive modulation (QPSK and 16QAM) is used in HSDPA system.In the research the results obtained by selection of symbol rate of 480 kbps bit rate will yield 960 kbps while the selection symbol rate is 960 kbps will produce 1920 kbps bit rate using modulation QPSK modulation. As for 16QAM modulation, symbol rate of 480 kbps produces 1920 kbps and symbol rate is 960 kbps bit rate produces 3840 kbps. Of the trial results, the more number of bits sent then the higher data rate that can be accepted by the UE (user equipment).]]>
<![CDATA[Sistem Remote Control dan Monitoring Kendaraan Berbasis Borland Delphi 7 Menggunakan GPS GSM Tracker ]]>
<![CDATA[Rifki Dwi Faradila]]>
<![CDATA[ Jurnal Jaringan Telekomunikasi Vol 1 No 1 (2015): Vol 01 No 01 (2015) : Mei 2015 ]]>
Publisher : <![CDATA[Politeknik Negeri Malang ]]>
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DOI: 10.33795/jartel.v1i1.131
<![CDATA[The monitoring program is made running using SMS communication on the GSM network with the aim of its application is to be used to monitor various types of vehicles commonly used by the public as a means of transportation. The GPS that is installed functions as a device that will search for location coordinates in the form of latitude and longitude to be sent to the user. On the user side is given a program that will process any data sent by the GPS device and display it in the form of a digital map as a tool for users to monitor their vehicle.From the test results for the time needed to request the position of the vehicle from the program to the GPS device via SMS, the average time value is 16.11 seconds in each position request. Meanwhile, for testing the accuracy of the vehicle position plot with an average speed of 10km / hour, the difference in distance is +/- 27.5 m, 20km / hour is the difference in the distance +/- 55.1 m, 30km / hour is the difference in the distance +/- 82, 7 m, 40 km / h difference +/- 100.3 m, 50 km / h difference +/- 137.5 m, 60 km / h difference +/- 165.5 m distance, and 70 km / h difference + / -197.1 m.]]>
<![CDATA[Mapping dan Monitoring Kuat Sinyal Sel Menggunakan Handphone CDMA Berbasis Android ]]>
<![CDATA[Roselina Febriati]]>
<![CDATA[ Jurnal Jaringan Telekomunikasi Vol 1 No 1 (2015): Vol 01 No 01 (2015) : Mei 2015 ]]>
Publisher : <![CDATA[Politeknik Negeri Malang ]]>
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DOI: 10.33795/jartel.v1i1.132
<![CDATA[In this study, an application was made that functions to map and monitor the signal strength of CDMA network cells using Android-based CDMA cellphones. This application functions to determine the signal quality of a CDMA network when the mapping and monitoring process is carried out. Cell signal strength information in Mappingke in a map based on google map. Meanwhile, information from monitoring results can be saved on the SD Card of the handphone with the .csv file format. the results of testing the information that can be map to the google map are the position of the BTS, the position of the MS, the value of RSSI and Ec / Io. Meanwhile, the monitoring result information that can be stored in a mobile SDCard is time, network type, CDMA cell identity which includes SID, NID, BID, base station latitude and longitude base station, MS position, cell signal strength which includes RSSI, Ec / Iodan SNR, along with the distance between MS and BTS.The CDMA cell identity information displayed by the application on the Samsung Galaxy Young mobile phone in the Malang area is correct and in accordance with the operator's data. The mapping information of RSSI and Ec / Io values ??into the google map is correct according to the value of the RSSI and Ec / Io base stations captured by the mobile station.]]>
<![CDATA[Sistem Informasi Koordinat Prakiraan Daerah Penangkapan Ikan Tuna Bagi Nelayan ]]>
<![CDATA[Sugiari Sugiari]]>
<![CDATA[ Jurnal Jaringan Telekomunikasi Vol 1 No 1 (2015): Vol 01 No 01 (2015) : Mei 2015 ]]>
Publisher : <![CDATA[Politeknik Negeri Malang ]]>
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DOI: 10.33795/jartel.v1i1.136
<![CDATA[One of the products of Indonesia's fishery is Tuna. To overcome the increasing demand of the world market, the Ministry of Marine Affairs and Fisheries provides routine information on map information on potential zones of fish, especially Tuna. However, for some fishermen it is relatively difficult to access the map because it requires the internet, so it becomes an obstacle in disseminating information on this fish potential zone map. From the above problems, such as the lack of knowledge of fishermen regarding the condition of the location of tuna points, while the current information is relatively difficult to obtain for some fishermen, so it is necessary to develop a "Coordinating Information System for Tuna Fish Estimates for Fishermen". With this system, it can make it easier for fishermen to subscribe to tuna fish coordinate update information either through the website or via SMS. The method used to determine the coordinates of the fish on the PDPI map is to use image processing with the medium scaling method SMS was chosen because it is one of the media for transferring information that is widely used among middle to lower income fishermen. From the results of testing and analysis of software. digital coordinates can run with an average reading duration of 31.651 seconds. The map error tolerance for longitude is 1099,591 meters and for latitude is 1401,939 meters.]]>
<![CDATA[Implementasi dan Analisis Jaringan WIreless VoIP Dengan Manajemen Routerboard di Politeknik Negeri Malang ]]>
<![CDATA[Junaedi Adi Prasetyo]]>
<![CDATA[ Jurnal Jaringan Telekomunikasi Vol 1 No 1 (2015): Vol 01 No 01 (2015) : Mei 2015 ]]>
Publisher : <![CDATA[Politeknik Negeri Malang ]]>
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DOI: 10.33795/jartel.v1i1.137
<![CDATA[In this article, the implementation of wirelessVoIP at State Polytechnic of Malang uses microtic management with the aim of knowing the QoS (Quality of Services) performance between systems without microtic management and systems using microtic management. In the implementation of this system, two tests were carried out, namely QoS testing when without proxy management and when using proxy management. From the two tests, the performance will be compared by doing data compilation using the VQ manager software. The QoS parameters to be taken are delay, jitter, packet loss and throughput. From the measurement it is known that when the VoIP server serves <= 3 calls simultaneously, the MOS value between the managed system (MOS = 3.7) and the system without management (MOS = 3.7) is almost the same because the value of delay and packet loss in the system without management and systems with management did not differ much, namely 107 ms and 83 ms, and the packet loss value was the same, namely 5%. And when serving> 3 simultaneous calls, there is a difference of 0.18 from the MOS value between the managed system (MOS = 3.48) and a system without management (MOS = 3.3) with a value of delay and packet loss for systems without management and systems with management, namely 527 ms and 340 ms, and the packet loss values ??were the same, namely 8% and 7.2%.]]>
