Pub Date : 2019-09-30DOI: 10.26760/elkomika.v7i3.585
K. Nugroho, Dhimas Prabowo Setyanugroho
ABSTRAKPerangkat controller dalam jaringan SDN berfungsi untuk memberikan informasi tabel flow ke perangkat switch sebagai acuan dalam menentukan informasi rute. Kecepatan dalam memproses permintaan tabel flow yang dilakukan oleh perangkat switch tergantung dari pemilihan jenis controller yang digunakan. Terdapat beberapa jenis controller yang bisa digunakan untuk mengatur aliran trafik data dalam jaringan SDN. Pada penelitian ini akan digunakan jenis controller RouteFlow dengan menggunakan algoritma routing Djikstra. Jaringan uji menggunakan topologi Full-Mesh yang menyediakan koneksi penuh ke semua switch, dimana terdapat dua protokol layer transport yang digunakan untuk mengirimkan data dalam jaringan SDN yaitu TCP dan UDP. Hasil pengukuran kualitas jaringan menunjukkan bahwa penggunaan protokol UDP menghasilkan nilai delay, jitter, dan throughput yang lebih baik dibandingkan dengan TCP. Waktu konvergensi jaringan yang dihasilkan sebesar 12,18 ms ketika ukuran data yang dipertukarkan sebesar 64 Byte.Kata kunci: Controller, Full-Mesh, RouteFlow, Software Defined Network ABSTRACTThe controller device in the SDN network is applied to provide flow table information for all switches as a reference in determining route information. The speed in processing the flow table requests that are made by the switches depends on the choice of the type of controller used. There are several types of controllers that can be used to manage the data traffic flow in the SDN network. This research utilizes the RouteFlow controller and the Djikstra routing algorithm. The test network applies the Full-Mesh topology that provides fully connections to all switches, wherein two transport protocols are used to transmit data in SDN networks, i.e., TCP and UDP. The results of network performance measurements show that the use of the UDP obtains better values in delay, jitter, and throughput than TCP. The network convergence time is 12.18 ms when the size of data exchanged is set to 64 Bytes.Keywords: Controller, Full-Mesh, RouteFlow, Software Defined Network
{"title":"Analisis Kinerja RouteFlow pada Jaringan SDN (Software Defined Network ) menggunakan Topologi Full-Mesh","authors":"K. Nugroho, Dhimas Prabowo Setyanugroho","doi":"10.26760/elkomika.v7i3.585","DOIUrl":"https://doi.org/10.26760/elkomika.v7i3.585","url":null,"abstract":"ABSTRAKPerangkat controller dalam jaringan SDN berfungsi untuk memberikan informasi tabel flow ke perangkat switch sebagai acuan dalam menentukan informasi rute. Kecepatan dalam memproses permintaan tabel flow yang dilakukan oleh perangkat switch tergantung dari pemilihan jenis controller yang digunakan. Terdapat beberapa jenis controller yang bisa digunakan untuk mengatur aliran trafik data dalam jaringan SDN. Pada penelitian ini akan digunakan jenis controller RouteFlow dengan menggunakan algoritma routing Djikstra. Jaringan uji menggunakan topologi Full-Mesh yang menyediakan koneksi penuh ke semua switch, dimana terdapat dua protokol layer transport yang digunakan untuk mengirimkan data dalam jaringan SDN yaitu TCP dan UDP. Hasil pengukuran kualitas jaringan menunjukkan bahwa penggunaan protokol UDP menghasilkan nilai delay, jitter, dan throughput yang lebih baik dibandingkan dengan TCP. Waktu konvergensi jaringan yang dihasilkan sebesar 12,18 ms ketika ukuran data yang dipertukarkan sebesar 64 Byte.Kata kunci: Controller, Full-Mesh, RouteFlow, Software Defined Network ABSTRACTThe controller device in the SDN network is applied to provide flow table information for all switches as a reference in determining route information. The speed in processing the flow table requests that are made by the switches depends on the choice of the type of controller used. There are several types of controllers that can be used to manage the data traffic flow in the SDN network. This research utilizes the RouteFlow controller and the Djikstra routing algorithm. The test network applies the Full-Mesh topology that provides fully connections to all switches, wherein two transport protocols are used to transmit data in SDN networks, i.e., TCP and UDP. The results of network performance measurements show that the use of the UDP obtains better values in delay, jitter, and throughput than TCP. The network convergence time is 12.18 ms when the size of data exchanged is set to 64 Bytes.Keywords: Controller, Full-Mesh, RouteFlow, Software Defined Network","PeriodicalId":344430,"journal":{"name":"ELKOMIKA: Jurnal Teknik Energi Elektrik, Teknik Telekomunikasi, & Teknik Elektronika","volume":"10 6 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-09-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121225529","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2019-09-30DOI: 10.26760/elkomika.v7i3.544
Sofia Saidah, Nur Ibrahim, Mochammad Haldi Widianto
ABSTRAKPada studi ini, dilakukan penggabungan metode - metode untuk memperkuat dan meningkatkan sisi keamanan proses pertukaran informasi atau pesan digital. Metode yang digunakan diantaranya adalah metode kriptografi dan metode steganografi. Implementasi pada sistem yang dibangun dilakukan dengan menyandikan pesan pada penerapan metode steganografi citra dalam menyembunyikan pesan tersandi yang dihasilkan ke dalam sebuah citra warna (RGB) dalam domain Discrete Cosine Transform dengan teknik penyisipan Spread Spectrum. Hasil penelitian menunjukan bahwa kualitas dari stego image sangat mirip dengan cover citra yang digunakan, berdasarkan perolehan nilai performansi objektif PSNR diatas 30 db dan subjektif MOS di atas nilai 4.Kata kunci: Steganografi, Discrete Cosine Transform, Spread Spectrum, PSNR, SNR ABSTRACTIn this study, a combination of methods was used to strengthen and enhance the security side of the process of exchanging information or digital messages. The methods used include cryptographic methods and steganography methods. The implementation of the system built is done by encoding the message on the application of the image steganography method in hiding the encrypted message generated into a color image (RGB) in the Discrete Cosine Transform domain with the Spread Spectrum insertion technique. The results of the study show that the quality of the stego image is very similar to the cover image used, based on the acquisition of an objective performance value of PSNR above 30 db and subjective MOS above a value of 4.Keywords: Steganografi, Discrete Cosine Transform, Spread Spectrum, PSNR, SNR
{"title":"Pengamanan Pesan pada Steganografi Citra dengan Teknik Penyisipan Spread Spectrum","authors":"Sofia Saidah, Nur Ibrahim, Mochammad Haldi Widianto","doi":"10.26760/elkomika.v7i3.544","DOIUrl":"https://doi.org/10.26760/elkomika.v7i3.544","url":null,"abstract":"ABSTRAKPada studi ini, dilakukan penggabungan metode - metode untuk memperkuat dan meningkatkan sisi keamanan proses pertukaran informasi atau pesan digital. Metode yang digunakan diantaranya adalah metode kriptografi dan metode steganografi. Implementasi pada sistem yang dibangun dilakukan dengan menyandikan pesan pada penerapan metode steganografi citra dalam menyembunyikan pesan tersandi yang dihasilkan ke dalam sebuah citra warna (RGB) dalam domain Discrete Cosine Transform dengan teknik penyisipan Spread Spectrum. Hasil penelitian menunjukan bahwa kualitas dari stego image sangat mirip dengan cover citra yang digunakan, berdasarkan perolehan nilai performansi objektif PSNR diatas 30 db dan subjektif MOS di atas nilai 4.Kata kunci: Steganografi, Discrete Cosine Transform, Spread Spectrum, PSNR, SNR ABSTRACTIn this study, a combination of methods was used to strengthen and enhance the security side of the process of exchanging information or digital messages. The methods used include cryptographic methods and steganography methods. The implementation of the system built is done by encoding the message on the application of the image steganography method in hiding the encrypted message generated into a color image (RGB) in the Discrete Cosine Transform domain with the Spread Spectrum insertion technique. The results of the study show that the quality of the stego image is very similar to the cover image used, based on the acquisition of an objective performance value of PSNR above 30 db and subjective MOS above a value of 4.Keywords: Steganografi, Discrete Cosine Transform, Spread Spectrum, PSNR, SNR","PeriodicalId":344430,"journal":{"name":"ELKOMIKA: Jurnal Teknik Energi Elektrik, Teknik Telekomunikasi, & Teknik Elektronika","volume":"11 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-09-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130504898","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2019-09-30DOI: 10.26760/elkomika.v7i3.521
E. Sartika, Rudi Sarjono, Hazel Xaris Chrisophras
ABSTRAKSistem pick and place merupakan suatu sistem mekanik yang digunakan untuk memanipulasi pergerakan mengangkat, memindahkan, dan meletakkan untuk meringankan kerja manusia. Dalam mempelajari cara kerja robot industri sederhana dibuat miniatur robot pick and place (sederhana). Perancangan yang dibuat yaitu sistem pick and place dengan dua derajat kebebasan dengan ukuran yang memiliki perbandingan 1:0.35 dari referensi ukuran desain robot. Aplikasi SolidWorks digunakan untuk mendesain robot Diamond. Metode Regresi digunakan untuk memprediksi posisi motor servo dalam mencapai posisi yang diinginkan. Metode regresi berhasil digunakan untuk mencari hubungan antara target posisi setpoint dengan posisi motor servo 1 dan 2 (persamaan orde 2 dan 3) untuk mengontrol motor servo. Performansi yang terbaik dari sistem pick and place yang dibuat menggunakan trayektori miring, dengan kecepatan 100 (11.1 rpm), menghasilkan error ± 0.0729 dan presisi 1.63%. Dalam penelitian ini, kecepatan end-effector yang lebih rendah menghasilkan keakurasian dan kepresisian yang lebih baik.Kata kunci: Pick and Place, Robot Diamond, Dua derajat kebebasan, Regresi ABSTRACTThe pick and place system are a mechanic system used in manipulating the movements of lifting, moving, and laying to ease human work. In learning how to work a simple industrial robot, a miniature pick and place robot is created. The design made is a pick and place system with two degrees of freedom with a size that has a ratio of 1: 0.35 from the reference size of the robot design. Regression method is used to predict the position of the servo motor in reaching the desired position. Regression method was successfully used to find the relationship between the target setpoint position and the position of servo motors 1 and 2 (order equations 2 and 3) to control the servo motor. The best performance from the pick and place system that is made using an aslope trajectory, with a speed of 100 (11.1 rpm), produces an error ± 0.0729 and precision 1.63%. In this research, lower end-effector speeds result in better accuracy and precision.Keywords: Pick and Place, Diamond Robot, 2-DOF, Regression
{"title":"Sistem Pick and Place Dua Derajat Kebebasan menggunakan Metoda Regresi","authors":"E. Sartika, Rudi Sarjono, Hazel Xaris Chrisophras","doi":"10.26760/elkomika.v7i3.521","DOIUrl":"https://doi.org/10.26760/elkomika.v7i3.521","url":null,"abstract":"ABSTRAKSistem pick and place merupakan suatu sistem mekanik yang digunakan untuk memanipulasi pergerakan mengangkat, memindahkan, dan meletakkan untuk meringankan kerja manusia. Dalam mempelajari cara kerja robot industri sederhana dibuat miniatur robot pick and place (sederhana). Perancangan yang dibuat yaitu sistem pick and place dengan dua derajat kebebasan dengan ukuran yang memiliki perbandingan 1:0.35 dari referensi ukuran desain robot. Aplikasi SolidWorks digunakan untuk mendesain robot Diamond. Metode Regresi digunakan untuk memprediksi posisi motor servo dalam mencapai posisi yang diinginkan. Metode regresi berhasil digunakan untuk mencari hubungan antara target posisi setpoint dengan posisi motor servo 1 dan 2 (persamaan orde 2 dan 3) untuk mengontrol motor servo. Performansi yang terbaik dari sistem pick and place yang dibuat menggunakan trayektori miring, dengan kecepatan 100 (11.1 rpm), menghasilkan error ± 0.0729 dan presisi 1.63%. Dalam penelitian ini, kecepatan end-effector yang lebih rendah menghasilkan keakurasian dan kepresisian yang lebih baik.Kata kunci: Pick and Place, Robot Diamond, Dua derajat kebebasan, Regresi ABSTRACTThe pick and place system are a mechanic system used in manipulating the movements of lifting, moving, and laying to ease human work. In learning how to work a simple industrial robot, a miniature pick and place robot is created. The design made is a pick and place system with two degrees of freedom with a size that has a ratio of 1: 0.35 from the reference size of the robot design. Regression method is used to predict the position of the servo motor in reaching the desired position. Regression method was successfully used to find the relationship between the target setpoint position and the position of servo motors 1 and 2 (order equations 2 and 3) to control the servo motor. The best performance from the pick and place system that is made using an aslope trajectory, with a speed of 100 (11.1 rpm), produces an error ± 0.0729 and precision 1.63%. In this research, lower end-effector speeds result in better accuracy and precision.Keywords: Pick and Place, Diamond Robot, 2-DOF, Regression","PeriodicalId":344430,"journal":{"name":"ELKOMIKA: Jurnal Teknik Energi Elektrik, Teknik Telekomunikasi, & Teknik Elektronika","volume":"8 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-09-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115850323","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2019-09-30DOI: 10.26760/elkomika.v7i3.559
H. Fajrin, Tuhfatun Nu’Man Rosyadiy, Djoko Sukwono
ABSTRAKOxygen analyzer sebelumnya hanya dilengkapi dengan penyimpanan data internal dengan maksimal penyimpanan 10 data. Berdasarkan permasalahan tersebut, dibuatlah oxygen analyzer untuk mengukur kadar oksigen pada output gas medis dengan parameter kadar oksigen (%) dilengkapi dengan penyimpanan data eksternal yang bisa menyimpan banyak data untuk keperluan kalibrasi peralatan dan pengecekan kevalidan dari kadar oksigen yang diberikan ke pasien sehingga data perlu disimpan dengan baik tanpa dicatat satu persatu tapi otomatis tersimpan pada memori eksternal yang bisa dipindah ke komputer. Untuk mengukur kadar oksigen pada output gas medis digunakan sensor oksigen tipe KE-50, dan mikrokontroler Arduino Uno. Setelah pengujian data, nilai error yang didapatkan berada di bawah 1% dan penyimpanan data eksternal berfungsi dengan baik.Kata kunci: Oksigen, Sensor Oksigen, Gas Medis, penyimpanan data, arduino ABSTRACTThe previous study designed an oxygen analyzer that was only equipped with internal data storage with a maximum of 10 data storage. Therefore a tool was made to measure oxygen levels at the output of medical gas with oxygen level parameters (%) equipped with external data storage that can store a lot of data for the purposes of equipment calibration and checking the validity of the oxygen level given to the patient so that the data needs to be stored neatly without needing to be recorded one by one but automatically stored in external memory that can be moved to the computer. To measure oxygen levels at the output of medical gas used the KE-50 type of oxygen sensor, and the Arduino Uno microcontroller. After testing the data, the error values obtained are below 1% and external data storage works properly.Keywords: Oxygen, Oxygen sensor, Medical gas, data storage, arduino
之前的abstrak氧分析仪只配备内部数据存储，最多10个数据存储。根据这些问题,氧分析仪测量氧气的医疗气体输出参数的氧气含量(%)配备了可以保留很多的外部数据用于存储设备的校准和等待检查的数据交给病人的氧气水平,以至于需要储存好地一个接一个地记载但自动保存在记忆可以被转移到电脑的外部。为了测量医学气体输出的氧气水平，使用第50种类型的氧气传感器和微量控制器Arduino Uno。在数据测试之后，它所获得的值低于1%，外部数据存储正常。关键字:氧、氧传感器、医学气体、数据存储、arduino abstract为研究编写了一种只有内文数据存储的氧气分析仪。这就是一个工具就是被逼到所拘束的氧气水平在《医疗用氧气体输出parameters(%)做好with external级存储,以至于可以store a很多数据for the purposes of设备calibration and validity》登记的氧气水平给《数据需要病人所以那to be stored无国界neatly needing to be recorded一号由一号,但自动stored in external记忆,以至于可以搬到电脑。在医用气体输出中调节的氧水平使用了50种传感器，Arduino Uno微控制器。在测试了数据之后，错误值附加在1%和外部数据存储设施下。氧，氧传感器，医学，数据存储，arduino
{"title":"Perancangan Oxygen Analyzer Dilengkapi Penyimpanan Data Eksternal Berbasis Arduino Uno","authors":"H. Fajrin, Tuhfatun Nu’Man Rosyadiy, Djoko Sukwono","doi":"10.26760/elkomika.v7i3.559","DOIUrl":"https://doi.org/10.26760/elkomika.v7i3.559","url":null,"abstract":"ABSTRAKOxygen analyzer sebelumnya hanya dilengkapi dengan penyimpanan data internal dengan maksimal penyimpanan 10 data. Berdasarkan permasalahan tersebut, dibuatlah oxygen analyzer untuk mengukur kadar oksigen pada output gas medis dengan parameter kadar oksigen (%) dilengkapi dengan penyimpanan data eksternal yang bisa menyimpan banyak data untuk keperluan kalibrasi peralatan dan pengecekan kevalidan dari kadar oksigen yang diberikan ke pasien sehingga data perlu disimpan dengan baik tanpa dicatat satu persatu tapi otomatis tersimpan pada memori eksternal yang bisa dipindah ke komputer. Untuk mengukur kadar oksigen pada output gas medis digunakan sensor oksigen tipe KE-50, dan mikrokontroler Arduino Uno. Setelah pengujian data, nilai error yang didapatkan berada di bawah 1% dan penyimpanan data eksternal berfungsi dengan baik.Kata kunci: Oksigen, Sensor Oksigen, Gas Medis, penyimpanan data, arduino ABSTRACTThe previous study designed an oxygen analyzer that was only equipped with internal data storage with a maximum of 10 data storage. Therefore a tool was made to measure oxygen levels at the output of medical gas with oxygen level parameters (%) equipped with external data storage that can store a lot of data for the purposes of equipment calibration and checking the validity of the oxygen level given to the patient so that the data needs to be stored neatly without needing to be recorded one by one but automatically stored in external memory that can be moved to the computer. To measure oxygen levels at the output of medical gas used the KE-50 type of oxygen sensor, and the Arduino Uno microcontroller. After testing the data, the error values obtained are below 1% and external data storage works properly.Keywords: Oxygen, Oxygen sensor, Medical gas, data storage, arduino","PeriodicalId":344430,"journal":{"name":"ELKOMIKA: Jurnal Teknik Energi Elektrik, Teknik Telekomunikasi, & Teknik Elektronika","volume":"28 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-09-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132964033","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2019-09-30DOI: 10.26760/elkomika.v7i3.415
Hidayat Nur Isnianto, Adam Agustian
ABSTRAKSepak bola merupakan olah raga yang digemari masyarakat sebagai hiburan. Di stadion sering dijumpai penonton tanpa tiket atau dengan tiket palsu, sehingga menyebabkan kerugian penyelenggara. Pada makalah ini dibuat prototipe akses masuk stadion dengan mengimplementasikan Radio Frequency Identification (RFID) untuk tiket dan kunci akses pintu masuk stadion, dengan tujuan mencegah penonton masuk ke stadion dengan tiket palsu atau tanpa tiket, dan tiket dapat dimanfaatkan kembali. Sistem ini menggunakan RFID tag berbentuk kartu sebagai tiket dan dibaca dengan RFID Reader RDM 6300 untuk dibandingkan dengan data yang disimpan pada SD Card, jika sesuai maka solenoid aktif dan penonton dapat masuk stadion, sedangkan jika tidak sesuai, maka pintu stadion tidak dapat dibuka. Dari hasil pengujian, sistem mekanik dapat berfungsi sesuai dengan yang diharapkan dan seluruh RFID tag dapat dikenali dalam jarak optimal 3 cm. Keseluruhan pengguna yang telah terdaftar dapat membuka pintu.Kata kunci: Tiket, Stadion, Arduino, RFID, RDM6300 ABSTRACTFootball is a sport that is loved by society as an entertainment. In stadiums, there are often spectators without tickets or with fake tickets, causing losses to the organizers. In this paper a prototype of stadium entrance access was made by implementing Radio Frequency Identification (RFID) for tickets and access keys to stadium entrances, with the aim of preventing viewers from entering the stadium with fake tickets or no tickets, and tickets can be reused. This system uses cardshaped RFID tags as tickets and is read with an RDM 6300 RFID Reader to be compared with data stored on the SD Card, if it matches then the solenoid is active and the viewer can enter the stadium, whereas if it is not appropriate, the stadium door cannot be opened. From the results of testing, the mechanical system can function as expected and the entire RFID tag can be identified at an optimal distance of 3 cm. All registered users can open the door.Keywords: Ticket, Stadium, Arduino, RFID, RDM6300
旷课是一项被社会视为娱乐的运动。在体育场里，人们经常发现没有票的人或假票的人，导致组织者的损失。这篇论文是通过对门票和体育场入口的频率标识(RFID)进行原型访问的。该系统使用信用卡形状的RFID标签作为门票，并使用RFID Reader RDM 6300来比较SD卡上的数据，如果合适，螺线管将是活动的，观众可以进入体育场，如果不合适，则无法打开体育馆的门。从测试结果来看，机械系统可以按照预期运行，整个RFID标签可以在最佳距离3厘米的情况下识别。注册的所有用户都可以打开这扇门。门票，门票，体育场，阿都诺，rdfid, RDM6300 ABSTRACTFootball是一项由美国娱乐协会喜爱的运动。在舞台上，我们有十种不同的特征，没有滴答声或假滴答声，向组织者隐瞒损失。在这篇论文中，“存根访问”的原型是通过使用射频识别(RFID)实现的。这张机票和美国系统利用RFID标签cardshaped read with an RDM RFID数据读者to be compared with 6300 stored SD卡,如果它火柴》,然后《螺线管是活性与观众可以进入《体育场,whereas,如果它是不是appropriate,《门不能成为开放体育场。从测试的结果来看，机械系统可以像预期的那样功能，整个RFID标签可以在3厘米的最佳距离确定。所有登记的用户都可以打开门。自动语音:门票，体育场，Arduino, RFID, RDM6300
{"title":"Prototipe Akses Pintu Masuk Stadion Terintegrasi dengan Kartu RFID sebagai Tiket Berbasis Arduino Uno","authors":"Hidayat Nur Isnianto, Adam Agustian","doi":"10.26760/elkomika.v7i3.415","DOIUrl":"https://doi.org/10.26760/elkomika.v7i3.415","url":null,"abstract":"ABSTRAKSepak bola merupakan olah raga yang digemari masyarakat sebagai hiburan. Di stadion sering dijumpai penonton tanpa tiket atau dengan tiket palsu, sehingga menyebabkan kerugian penyelenggara. Pada makalah ini dibuat prototipe akses masuk stadion dengan mengimplementasikan Radio Frequency Identification (RFID) untuk tiket dan kunci akses pintu masuk stadion, dengan tujuan mencegah penonton masuk ke stadion dengan tiket palsu atau tanpa tiket, dan tiket dapat dimanfaatkan kembali. Sistem ini menggunakan RFID tag berbentuk kartu sebagai tiket dan dibaca dengan RFID Reader RDM 6300 untuk dibandingkan dengan data yang disimpan pada SD Card, jika sesuai maka solenoid aktif dan penonton dapat masuk stadion, sedangkan jika tidak sesuai, maka pintu stadion tidak dapat dibuka. Dari hasil pengujian, sistem mekanik dapat berfungsi sesuai dengan yang diharapkan dan seluruh RFID tag dapat dikenali dalam jarak optimal 3 cm. Keseluruhan pengguna yang telah terdaftar dapat membuka pintu.Kata kunci: Tiket, Stadion, Arduino, RFID, RDM6300 ABSTRACTFootball is a sport that is loved by society as an entertainment. In stadiums, there are often spectators without tickets or with fake tickets, causing losses to the organizers. In this paper a prototype of stadium entrance access was made by implementing Radio Frequency Identification (RFID) for tickets and access keys to stadium entrances, with the aim of preventing viewers from entering the stadium with fake tickets or no tickets, and tickets can be reused. This system uses cardshaped RFID tags as tickets and is read with an RDM 6300 RFID Reader to be compared with data stored on the SD Card, if it matches then the solenoid is active and the viewer can enter the stadium, whereas if it is not appropriate, the stadium door cannot be opened. From the results of testing, the mechanical system can function as expected and the entire RFID tag can be identified at an optimal distance of 3 cm. All registered users can open the door.Keywords: Ticket, Stadium, Arduino, RFID, RDM6300","PeriodicalId":344430,"journal":{"name":"ELKOMIKA: Jurnal Teknik Energi Elektrik, Teknik Telekomunikasi, & Teknik Elektronika","volume":"126 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-09-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130938976","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2019-05-24DOI: 10.26760/ELKOMIKA.V7I2.297
Edy Setiawan, Galih Anindita, Achmad Syahid, I. Rachman
ABSTRAKPola distribusi beban antara ketiga fasa pada saluran distribusi sekunder transformator kurang diperhatikan, berakibat ketidakseimbangan antara ke tiga fasa pada sistem distribusi sekunder transformator dan menyebabkan rugi energi yang terjadi pada jaringan distribusi sekunder akan semakin meningkat. Peneliti merancang sistem monitoring keseimbangan beban pada saluran distribusi sekunder transformator dengan metode eksperimen dan pembuatan prototipe. Penyimpangan rata-rata pembacaan sensor arus 6.7% dan pembacaan sensor tegangan 5.84% dan rugi energi terbesar didapatkan pada saat persen pembebanan di fasa R=88,13%, fasa S=42,80% dan di fasa T=20,14%, yaitu 24,1 Wh pada penghantar netral dan 109,64 Wh pada penghantar pembumian.Kata kunci: voltage sensing, current sensing, beban tidak seimbang, arus netral, rugi energi ABSTRACTThe pattern of load distribution between the three phases in the transformer secondary distribution channel is not noticed. This situation results in an imbalance between the three phases of the transformer secondary distribution and causes energy losses that occur in the secondary distribution network will increase. The researcher designed a load balance monitoring system in the transformer secondary distribution channel with the experimental method and prototype manufacturing. The average error of the current sensing at 6.7%, for the voltage sensing interface is 5.84% and the biggest energy loss is obtained at % loading on phase R= 88,13%, phase S = 42,80% and phase T = 20.14%, system reading 24,1 Wh on neutral conductor and 109,64 Wh on earthing conductor.Keywords: voltage sensing, current sensing, unbalanced load, neutral current, energy loss
{"title":"Monitoring Keseimbangan Distribusi Beban Transformator untuk Meminimalisasi Terjadinya Rugi Energi","authors":"Edy Setiawan, Galih Anindita, Achmad Syahid, I. Rachman","doi":"10.26760/ELKOMIKA.V7I2.297","DOIUrl":"https://doi.org/10.26760/ELKOMIKA.V7I2.297","url":null,"abstract":"ABSTRAKPola distribusi beban antara ketiga fasa pada saluran distribusi sekunder transformator kurang diperhatikan, berakibat ketidakseimbangan antara ke tiga fasa pada sistem distribusi sekunder transformator dan menyebabkan rugi energi yang terjadi pada jaringan distribusi sekunder akan semakin meningkat. Peneliti merancang sistem monitoring keseimbangan beban pada saluran distribusi sekunder transformator dengan metode eksperimen dan pembuatan prototipe. Penyimpangan rata-rata pembacaan sensor arus 6.7% dan pembacaan sensor tegangan 5.84% dan rugi energi terbesar didapatkan pada saat persen pembebanan di fasa R=88,13%, fasa S=42,80% dan di fasa T=20,14%, yaitu 24,1 Wh pada penghantar netral dan 109,64 Wh pada penghantar pembumian.Kata kunci: voltage sensing, current sensing, beban tidak seimbang, arus netral, rugi energi ABSTRACTThe pattern of load distribution between the three phases in the transformer secondary distribution channel is not noticed. This situation results in an imbalance between the three phases of the transformer secondary distribution and causes energy losses that occur in the secondary distribution network will increase. The researcher designed a load balance monitoring system in the transformer secondary distribution channel with the experimental method and prototype manufacturing. The average error of the current sensing at 6.7%, for the voltage sensing interface is 5.84% and the biggest energy loss is obtained at % loading on phase R= 88,13%, phase S = 42,80% and phase T = 20.14%, system reading 24,1 Wh on neutral conductor and 109,64 Wh on earthing conductor.Keywords: voltage sensing, current sensing, unbalanced load, neutral current, energy loss","PeriodicalId":344430,"journal":{"name":"ELKOMIKA: Jurnal Teknik Energi Elektrik, Teknik Telekomunikasi, & Teknik Elektronika","volume":"130 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-05-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115893568","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2019-05-24DOI: 10.26760/ELKOMIKA.V7I2.324
Indra Surjati, Syah Alam, Yuli Kurnia Ningsih
ABSTRAKPenelitian ini mengusulkan desain dan prototipe antena mikrostrip log periodik yang dikembangkan dengan metode parasitik air gap (celah udara) untuk aplikasi TV digital pada rentang frekuensi 478-694 MHz. Penggunaan elemen parasitik dengan celah udara bertujuan untuk meningkatkan nilai gain pada antena. Dari hasil pengukuran diperoleh nilai return loss sebesar -20.27 dB dan VSWR sebesar 1.31 pada frekuensi kerja 600 MHz. Bandwidth yang dihasilkan dari antena yang telah dipabrikasi adalah 273 MHz dengan rentang frekuensi kerja 461 MHz – 734 MHz. Gain yang dihasilkan dari antena mikrostrip log periodik dengan elemen parasitik adalah 16.67 dB pada frekuensi kerja 600 MHz atau meningkat 40.02 % dibandingkan dengan log periodik konvensional yang telah didesain sebelumnya. Dari keseluruhan hasil yang diperoleh maka dapat disimpulkan bahwa antena yang diusulkan dapat digunanakan sebagai antena penerima untuk aplikasi TV Digital di Indonesia.Kata kunci: antena, mikrostrip, log periodik, parasitik, celah udara ABSTRACTThis study proposes the design and prototype of log periodic microstrip antenna which was developed using the parasitic air gap for digital TV applications with a frequency range of 478-694 MHz. The use of parasitic elements with air gap aims to increase the gain of the antenna. From the measurement results, proposed antenna obtained return loss of -20.27 dB and VSWR of 1.31 at the working frequency of 600 MHz. The bandwidth produced from proposed antenna is 273 MHz with a working frequency range of 461 MHz - 734 MHz. The gain generated from log periodic microstrip antenna with parasitic element is 16.67 dB at the working frequency of 600 MHz or increased 40.02 % compared with conventional log periodic that have been designed before. From the overall results obtained, it can be concluded that the proposed antenna can be used as receiver antenna for Digital TV applications in Indonesia.Keywords: antenna, microstrip, log periodic, parasitic, air gap
{"title":"Perancangan dan Realisasi Antena Mikrostrip Log Periodik dengan Elemen Parasitik Air Gap untuk Aplikasi TV Digital DVB-T2","authors":"Indra Surjati, Syah Alam, Yuli Kurnia Ningsih","doi":"10.26760/ELKOMIKA.V7I2.324","DOIUrl":"https://doi.org/10.26760/ELKOMIKA.V7I2.324","url":null,"abstract":"ABSTRAKPenelitian ini mengusulkan desain dan prototipe antena mikrostrip log periodik yang dikembangkan dengan metode parasitik air gap (celah udara) untuk aplikasi TV digital pada rentang frekuensi 478-694 MHz. Penggunaan elemen parasitik dengan celah udara bertujuan untuk meningkatkan nilai gain pada antena. Dari hasil pengukuran diperoleh nilai return loss sebesar -20.27 dB dan VSWR sebesar 1.31 pada frekuensi kerja 600 MHz. Bandwidth yang dihasilkan dari antena yang telah dipabrikasi adalah 273 MHz dengan rentang frekuensi kerja 461 MHz – 734 MHz. Gain yang dihasilkan dari antena mikrostrip log periodik dengan elemen parasitik adalah 16.67 dB pada frekuensi kerja 600 MHz atau meningkat 40.02 % dibandingkan dengan log periodik konvensional yang telah didesain sebelumnya. Dari keseluruhan hasil yang diperoleh maka dapat disimpulkan bahwa antena yang diusulkan dapat digunanakan sebagai antena penerima untuk aplikasi TV Digital di Indonesia.Kata kunci: antena, mikrostrip, log periodik, parasitik, celah udara ABSTRACTThis study proposes the design and prototype of log periodic microstrip antenna which was developed using the parasitic air gap for digital TV applications with a frequency range of 478-694 MHz. The use of parasitic elements with air gap aims to increase the gain of the antenna. From the measurement results, proposed antenna obtained return loss of -20.27 dB and VSWR of 1.31 at the working frequency of 600 MHz. The bandwidth produced from proposed antenna is 273 MHz with a working frequency range of 461 MHz - 734 MHz. The gain generated from log periodic microstrip antenna with parasitic element is 16.67 dB at the working frequency of 600 MHz or increased 40.02 % compared with conventional log periodic that have been designed before. From the overall results obtained, it can be concluded that the proposed antenna can be used as receiver antenna for Digital TV applications in Indonesia.Keywords: antenna, microstrip, log periodic, parasitic, air gap","PeriodicalId":344430,"journal":{"name":"ELKOMIKA: Jurnal Teknik Energi Elektrik, Teknik Telekomunikasi, & Teknik Elektronika","volume":"270 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-05-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115888580","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2019-05-24DOI: 10.26760/ELKOMIKA.V7I2.209
Gelar Budiman, Suci Aulia, I. N. Ramatryana
ABSTRAKPada makalah ini, perancangan audio watermarking memanfaatkan kode PN yang terdistribusi Gaussian atau Normal dengan menggunakan citra sebagai watermark yang disisipkan pada audio. Watermark yang berupa citra biner diubah ke dalam vektor 1 dimensi, kemudian dijumlahkan dengan kode PN terdistribusi normal yang disaring dengan filter psikoakustik. Setelah itu, sinyal dikalikan dengan faktor gain α sebelum dijumlahkan dengan host audio untuk mendapatkan watermarked audio. Hasil dari simulasi menunjukkan bahwa sistem memiliki kapasitas watermark yang tinggi pada 689.06 bps, imperseptibilitas yang baik pada SNR>26 dB, dan tahan terhadap serangan LPF mulai frekuensi cut off 6 kHz keatas, serangan Additive Noise mulai 40 dB keatas, resampling pada rate 16 kHz, LSC 1% - 10%, dan kompresi MP3 untuk rate 192 kbps.Kata kunci: Audio Watermarking, Kode PN, distribusi normal, filter sikoakustik ABSTRACTIn this paper, the design of audio watermarking utilizes PN code that is Gaussian or Normal distributed by using the image as a watermark inserted in the audio. The watermark in the form of binary images is converted into a 1-dimensional vector, then summed up with a normally distributed PN code filtered by a psychoacoustic filter. After that, the signal is multiplied by α gain factor before adding it to the audio host to get the watermarked audio. The result of the simulation shows that the system has a high watermark capacity at 689.06 bps, good imperceptibility at SNR> 26 dB, and withstand LPF attacks starting from 6 kHz cut-off frequency and above, Additive Noise attacks from 40 dB up, resampling at 16 kHz , LSC 1% - 10%, and MP3 compression for 192 kbps rate.Keywords: Audio Watermarking, PN code, normal distribution, psychoacoustic filter
{"title":"Penyisipan Citra pada Audio dengan Kode PN Terdistribusi Gaussian","authors":"Gelar Budiman, Suci Aulia, I. N. Ramatryana","doi":"10.26760/ELKOMIKA.V7I2.209","DOIUrl":"https://doi.org/10.26760/ELKOMIKA.V7I2.209","url":null,"abstract":"ABSTRAKPada makalah ini, perancangan audio watermarking memanfaatkan kode PN yang terdistribusi Gaussian atau Normal dengan menggunakan citra sebagai watermark yang disisipkan pada audio. Watermark yang berupa citra biner diubah ke dalam vektor 1 dimensi, kemudian dijumlahkan dengan kode PN terdistribusi normal yang disaring dengan filter psikoakustik. Setelah itu, sinyal dikalikan dengan faktor gain α sebelum dijumlahkan dengan host audio untuk mendapatkan watermarked audio. Hasil dari simulasi menunjukkan bahwa sistem memiliki kapasitas watermark yang tinggi pada 689.06 bps, imperseptibilitas yang baik pada SNR>26 dB, dan tahan terhadap serangan LPF mulai frekuensi cut off 6 kHz keatas, serangan Additive Noise mulai 40 dB keatas, resampling pada rate 16 kHz, LSC 1% - 10%, dan kompresi MP3 untuk rate 192 kbps.Kata kunci: Audio Watermarking, Kode PN, distribusi normal, filter sikoakustik ABSTRACTIn this paper, the design of audio watermarking utilizes PN code that is Gaussian or Normal distributed by using the image as a watermark inserted in the audio. The watermark in the form of binary images is converted into a 1-dimensional vector, then summed up with a normally distributed PN code filtered by a psychoacoustic filter. After that, the signal is multiplied by α gain factor before adding it to the audio host to get the watermarked audio. The result of the simulation shows that the system has a high watermark capacity at 689.06 bps, good imperceptibility at SNR> 26 dB, and withstand LPF attacks starting from 6 kHz cut-off frequency and above, Additive Noise attacks from 40 dB up, resampling at 16 kHz , LSC 1% - 10%, and MP3 compression for 192 kbps rate.Keywords: Audio Watermarking, PN code, normal distribution, psychoacoustic filter","PeriodicalId":344430,"journal":{"name":"ELKOMIKA: Jurnal Teknik Energi Elektrik, Teknik Telekomunikasi, & Teknik Elektronika","volume":"120 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-05-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116110495","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2019-05-24DOI: 10.26760/ELKOMIKA.V7I2.363
Arif Mubarok, Hasanah Putri
ABSTRAKPenerapan teknologi Long Term Evolution (LTE) di Indonesia belum optimal dalam pengalokasian spektrum dikarenakan keterbatasan spektrum, untuk mengatasi masalah tersebut 3GPP mengeluarkan teknologi terbaru yaitu LTEAdvanced yang mendukung fitur carrier aggregation (CA) yang memberikan throughput yang lebih tinggi dengan penggunaan spektrum yang lebih efisien. Pada penelitian ini dilakukan perencanaan jaringan LTE-Advanced menggunakan metode inter-band CA dengan menggabungkan dua band frequency yang berbeda yaitu bandwith 5 MHz di band 5 (850 MHz) dan bandwidth 10 MHz di band 3 (1800 MHz). Untuk mendapatkan performansi yang maksimal perencanaan jaringan LTE dan LTE-A dikombinasikan dengan penggunaan skema Physical Cell Identity (PCI) dan Soft Frequency Reuse (SFR). Penggunaan PCI meningkatkan SINR sebesar 1 dB dan throughput meningkat sebesar 200 Kbps, sedangkan penggunaan skema SFR meningkatkan SINR sebesar 9 dB dan throughput meningkat sebesar 13 Mbps.Kata kunci: LTE-Advanced, PCI, SFR, Carrier Aggregation. ABSTRACTThe implementation of Long Term Evolution (LTE) technology in Indonesia has not been optimal due to spectrum limitations. To overcome the problem, 3GPP issued the latest technology, i.e. LTE-Advanced, to support the carrier aggregation (CA) feature that provides higher throughput with more efficient spectrum usage. In this study, LTE-Advanced network planning was performed using the inter-band CA method by combining two different band frequencies, namely 5 MHz bandwidth on Band 5 (850 MHz) and 10 MHz bandwidth on Band 3 (1800 MHz). In addition, to generate maximum performance, the LTE and LTEA networks planning was combined with the use of Physical Cell Identity (PCI) and Soft Frequency Reuse (SFR) schemes. The use of the PCI managed to increase SINR by 1 dB and throughput by 200 Kbps, while the use of SFR scheme managed to increase SINR by 9 dB and throughput by 13 Mbps.Keywords: LTE-Advanced, PCI, SFR, Carrier Aggregation.
{"title":"Analisis Dampak Inter-Band Carrier Aggregation pada Perencanaan Jaringan LTE-Advanced","authors":"Arif Mubarok, Hasanah Putri","doi":"10.26760/ELKOMIKA.V7I2.363","DOIUrl":"https://doi.org/10.26760/ELKOMIKA.V7I2.363","url":null,"abstract":"ABSTRAKPenerapan teknologi Long Term Evolution (LTE) di Indonesia belum optimal dalam pengalokasian spektrum dikarenakan keterbatasan spektrum, untuk mengatasi masalah tersebut 3GPP mengeluarkan teknologi terbaru yaitu LTEAdvanced yang mendukung fitur carrier aggregation (CA) yang memberikan throughput yang lebih tinggi dengan penggunaan spektrum yang lebih efisien. Pada penelitian ini dilakukan perencanaan jaringan LTE-Advanced menggunakan metode inter-band CA dengan menggabungkan dua band frequency yang berbeda yaitu bandwith 5 MHz di band 5 (850 MHz) dan bandwidth 10 MHz di band 3 (1800 MHz). Untuk mendapatkan performansi yang maksimal perencanaan jaringan LTE dan LTE-A dikombinasikan dengan penggunaan skema Physical Cell Identity (PCI) dan Soft Frequency Reuse (SFR). Penggunaan PCI meningkatkan SINR sebesar 1 dB dan throughput meningkat sebesar 200 Kbps, sedangkan penggunaan skema SFR meningkatkan SINR sebesar 9 dB dan throughput meningkat sebesar 13 Mbps.Kata kunci: LTE-Advanced, PCI, SFR, Carrier Aggregation. ABSTRACTThe implementation of Long Term Evolution (LTE) technology in Indonesia has not been optimal due to spectrum limitations. To overcome the problem, 3GPP issued the latest technology, i.e. LTE-Advanced, to support the carrier aggregation (CA) feature that provides higher throughput with more efficient spectrum usage. In this study, LTE-Advanced network planning was performed using the inter-band CA method by combining two different band frequencies, namely 5 MHz bandwidth on Band 5 (850 MHz) and 10 MHz bandwidth on Band 3 (1800 MHz). In addition, to generate maximum performance, the LTE and LTEA networks planning was combined with the use of Physical Cell Identity (PCI) and Soft Frequency Reuse (SFR) schemes. The use of the PCI managed to increase SINR by 1 dB and throughput by 200 Kbps, while the use of SFR scheme managed to increase SINR by 9 dB and throughput by 13 Mbps.Keywords: LTE-Advanced, PCI, SFR, Carrier Aggregation.","PeriodicalId":344430,"journal":{"name":"ELKOMIKA: Jurnal Teknik Energi Elektrik, Teknik Telekomunikasi, & Teknik Elektronika","volume":"24 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-05-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131192308","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2019-05-24DOI: 10.26760/ELKOMIKA.V7I2.351
L. Sari, Syah Alam, Indra Surjati
ABSTRAKPemerintah Indonesia mengalokasikan spektrum frekuensi 960-1164 MHZ untuk sistem komunikasi bergerak maupun untuk radio navigasi penerbangan. Penggunaan White Space Device (WSD) merupakan solusi keterbatasan spektrum, karena mampu mengidentifikasi dan memanfaatkan frekuensi yang tidak terpakai. Penelitian ini menyelidiki potensi interferensi yang terjadi pada koeksistensi sistem radio navigasi penerbangan serta perangkat WSD di pita 960 MHz. Penelitian menggunakan pendekatan matematis Minimum Coupling Loss (MCL) serta simulasi dengan Spectrum Engineering Advanced Monte Carlo Analysis Tool (SEAMCAT). Hasil penelitian menunjukkan bahwa level interferensi yang masih diperbolehkan berada di kisaran -81,589 dBm. Level ini tercapai dengan penggunaan jarak proteksi antar sistem sejauh 36 km. Penurunan daya pemancar WSD atau peningkatan gain RSBN sebesar 1 dBm dapat memperkecil jarak proteksi menjadi 30 km untuk mencapai probabilitas interferensi berturutturut 3,55% dan 3,6%.Kata kunci: white space devices, interferensi, radio navigasi penerbangan ABSTRACTThe Indonesian Government allocates the 960-1164 MHz spectrum for mobile communications and aeronautical radio navigation services. Cognitive radio is a technology which will enable the use of a limited spectrum optimally. Devices implemented with cognitive radio capability is referred as White Space Device (WSD) as they can identify and utilize idle channels. This paper investigates the interference potential between aeronautical radio navigation services and WSD as they co-exist in the 960 MHz spectrum using Minimum Coupling Loss (MCL) formulae and simulations using Spectrum Engineering Advanced Monte Carlo Analysis Tool (SEAMCAT). Results show that the permissible interference level is -81,589 dBm which is achievable if the two systems are separated by 36 km. Decreasing the WSD power level or increasing the RSBN gain by 1 dBm can decrease the protection distance between the two systems to 30 km to achieve an interference probability of 3,55% and 3,6%, respectively.Keywords: white space devices, interference, aeronautical radio navigation
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