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All Journal Jurnal Informatika dan Teknik Elektro Terapan International Journal of New Media Technology Jurnal Ilmu Komputer dan Desain Komunikasi Visual Jurnal Ilmu Teknik dan Komputer Mitra Akademia: Jurnal Pengabdian Masyarakat SPEKTRAL : Journal of Communications, Antennas and Propagation Prosiding Seminar Nasional Teknik Elektro, Sistem Informasi, dan Teknik Informatika (SNESTIK) JURNAL POLI-TEKNOLOGI
Viving Frendiana
Program Studi Broadband Multimedia, Jurusan Teknik Elektro, Politeknik Negeri Jakarta
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IMPLEMENTASI PSEUDO NOISE SEQUENCE (PN CODE) TIPE GOLD CODE PADA WARP (WIRELESS OPEN ACCESS RESEARCH PLATFORM) Frendiana, Viving
Jurnal Ilmu Komputer dan Desain Komunikasi Visual Vol 1, No 1 (2016): Jurnal Ilmu Komputer dan Desain Komunikasi Visual
Publisher : Universitas Nahdlatul Ulama Sidoarjo

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (235.53 KB)

Abstract

Propagasi gelombang radio di dalam ruang (indoor radio propagation)merupakan salah satu tantangan besar dalam perencanaan komunikasi nirkabel(wireless communication). Cara untuk menentukan pemodelan kanal salahsatunya adalah melalui tanggapan impuls (response impulse). Pada propagasigelombang langsung, sinyal yang dipancarkan oleh antena pemancar langsungditerima oleh antena penerima tanpa mengalami pantulan, disebut Line OfSight (LOS). Karena perambatannya harus secara langsung, maka di lokasilokasi yang antena penerimanya terhalang, tidak akan menerima sinyal(blocked spot). Pada propagasi LOS terdapat daerah yang harus dan wajibterhindar dari halangan, daerah itu disebut dengan daerah fresnel (fresnelzone). Pada penelitian ini dilakukan pengukuran respon impuls menggunakanpseudo-random noise sequence yaitu berjenis kode Gold. Pengukuranmenggunakan modul Wireless Open Access Research Platform (WARP) versi2.Kata Kunci : Pseudo Noise Sequence, Gold Code, WARP
Pembuatan Aplikasi Sistem Basis Data Mahasiswa pada Universitas Nahdlatul Ulama Sidoarjo Menggunakan Visual Basic .Net Frendiana, Viving; Satrio, Putra Uji Deva
Jurnal Ilmu Komputer dan Desain Komunikasi Visual Vol 3, No 1 (2018): Jurnal Ilmu Komputer dan Desain Komunikasi Visual
Publisher : Universitas Nahdlatul Ulama Sidoarjo

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Abstract

Universitas Nahdlatul Ulama Sidoarjo juga dikenal dengan UNUSIDA atau UNU Sidoarjo adalah salah satu universitas perguruan tinggi swasta Islam yang berlokasi di Sidoarjo, Indonesia. UNUSIDA termasuk kampus yang masih baru, yang didirikan pada 4 Juli 2014. Selama ini sistem pencatatan informasi akademik di UNUSIDA masih bersifat manual. Sedangkan di era globalisasi sekarang ini menuntut segala informasi dilakukan secara digitalisasi dan terekam dalam sistem database yang sangat baik. Tujuan dari penelitian ini adalah untuk membuat aplikasi sistem basis data yang dapat digunakan sebagai rekam data mahasiswa, dosen dan pegawai. Sebagai alat ideal untuk pembuatan aplikasi digunakan Visual Basic .NET karena kelengkapan pustaka yang disediakan oleh .NET Framework. Koneksi basis data menggunakan SQL Server. Pembuatan aplikasi diawali dengan pembuatan form menu utama yang terdiri dari menu sistem, data, program studi, tentang dan bantuan. Pada menu data terdiri dari form mahasiswa, dosen dan pegawai. Melalui menu data ini, pihak admin atau user dapat mengoperasikan program aplikasi dan menginputkan data mahasiswa, dosen atau pegawai. Data yang terekam mulai dari informasi data pribadi, nim, nidn, nip, alamat, email, dll. Hasil akhir yang diharapkan adalah dapat memberi konstribusi dalam pengelolaan sistem di kampus Universitas Nahdlatul Ulama Sidoarjo sehingga UNUSIDA memiliki sistem pencatatan informasi yang baik dan terstrukturrapi.
Implementasi Pseudo Noise Sequence (PN Code) Tipe Gold Code Pada Warp (Wireless Open Access Research Platform) Viving Frendiana
Jurnal Ilmu Komputer dan Desain Komunikasi Visual Vol 1 No 1 (2016): Jurnal Ilmu Komputer dan Desain Komunikasi Visual
Publisher : Fakultas Ilmu Komputer Universitas Nahdlatul Ulama Sidoarjo

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

Abstract

Propagasi gelombang radio di dalam ruang (indoor radio propagation) merupakan salah satu tantangan besar dalam perencanaan komunikasi nirkabel (wireless communication). Cara untuk menentukan pemodelan kanal salah satunya adalah melalui tanggapan impuls (response impulse). Pada propagasi gelombang langsung, sinyal yang dipancarkan oleh antena pemancar langsung diterima oleh antena penerima tanpa mengalami pantulan, disebut Line Of Sight (LOS). Karena perambatannya harus secara langsung, maka di lokasi- lokasi yang antena penerimanya terhalang, tidak akan menerima sinyal (blocked spot). Pada propagasi LOS terdapat daerah yang harus dan wajib terhindar dari halangan, daerah itu disebut dengan daerah fresnel (fresnel zone). Pada penelitian ini dilakukan pengukuran respon impuls menggunakan pseudo-random noise sequence yaitu berjenis kode Gold. Pengukuran menggunakan modul Wireless Open Access Research Platform (WARP) versi 2. Kata Kunci : Pseudo Noise Sequence, Gold Code, WARP
Desain UI dan UX pada Aplikasi Android Coronavirus Disease 2019 (COVID-19) Viving Frendiana; Dandun Widhiantoro
Jurnal Ilmu Komputer dan Desain Komunikasi Visual Vol 5 No 2 (2020): Jurnal Ilmu Komputer dan Desain Komunikasi Visual (JIKDISKOMVIS)
Publisher : Fakultas Ilmu Komputer Universitas Nahdlatul Ulama Sidoarjo

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Abstract

Coronavirus infection is a disease caused by the corona virus and causes symptoms in the form of respiratory problems. This virus was first discovered at the end of 2019 in the city of Wuhan, China and until the end of 2020 it has spread to almost all over the world. To reduce the spread of the coronavirus, healthy habits such as washing hands and wearing masks are needed. In addition, in terms of technology, Android is an operating system that is widely used to develop mobile applications. The existence of this application technology makes it very possible to use it to update the latest information about COVID-19, as well as prevent the spread and the tracking process. The UI UX design is needed in making the 2019 coronavirus disease (COVID-19) android application. Based on the results of testing the functional suitability aspect has a success percentage of 100%. And the results of the calculation of the percentage of feasibility is 95.66%, so it can be concluded that the application has a very decent usability standard.  Keywords— COVID-19, Coronavirus, Android, UI UX, Android Studio
Penyelesaian Perhitungan pada Matching Saluran Transmisi λ/4 Menggunakan Pemrograman Berbasis Website Viving Frendiana; Muhammad Teddy Rahmansyah
Spektral Vol. 2 No. 2 (2021): Oktober 2021
Publisher : Politeknik Negeri Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32722/spektral.v2i2.4125

Abstract

The matching circuit with a λ/4 transmission line, often called an impedance transformer λ/4, is a transmission line or waveguide with a 1/4 wavelength (φ) terminated by the load impedance. In many applications a condition of no reflection is desired at the transmission line connection. Therefore, to eliminate reflections due to differences in load impedance and wave impedance, impedance matching techniques are used. Impedance matching is carried out with the aim of matching the load impedance with the characteristic impedance on the transmission line so that the transmission line can be matched, so that the transmission process for a certain amount of power does not occur reflections which result in all transmitted power being absorbed. In this study, the completion of the λ/4 transmission line matching circuit was designed using website-based programming. The results of the simulation calculations using the website application obtained the impedance value on the transmission line with the λ/4 transformer according to the calculation of the mathematical equation. The matching process in this calculation requires a real load impedance.
Aplikasi Android untuk Validasi Berkas Tes Covid-19 Viving Frendiana; Fahmi Febriyansyah
Jurnal Ilmu Komputer dan Desain Komunikasi Visual Vol 7 No 1 (2022): Journal of Computer Science and Visual Communication Design
Publisher : Fakultas Ilmu Komputer Universitas Nahdlatul Ulama Sidoarjo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55732/jikdiskomvis.v7i1.428

Abstract

During the pandemic, everyone will carry out activities, everyone must have a Covid-free letter, especially when traveling. The impact of the pandemic everyone must be able to prevent the spread of the virus by minimizing direct contact. The use of mobile applications can be used to simplify and streamline every activity carried out during the pandemic. Therefore, currently we need a system that can be used as access to activities based on health certificates. An application system in the form of an android called Sudah Sehat can be a system that can be used. Based on testing the functional suitability and portability aspects, the Sudah Sehat application obtained a test score of 100% according to the Black Box Testing and Firebase Test Lab tests. From the aspect of performance efficiency, CPU usage when running applications is below the percentage of 15% which indicates that it is still in the safe limit. All applications also meet the eligibility standards based on ISO 25010.
Aplikasi Android Loker Penyimpanan Keyless Berbayar pada Stasiun MRT Haykhal Bhatara Dimas Arief; Viving Frendiana
Spektral Vol. 3 No. 1 (2022): April 2022
Publisher : Politeknik Negeri Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32722/spektral.v3i1.4574

Abstract

MRT or Mass Rapid Transportation is one of the transportation services built to overcome congestion in Jakarta. The main purpose of the construction of the MRT is to provide convenience for the community in an effort to increase mobility that is reliable, comfortable and affordable. The increasing number of people who use this transportation, of course, must go hand in hand with supporting facilities in daily activities, one of which is safe storage of goods. As a solution to these problems, it is necessary to design a system that can provide storage in the form of an efficient and safe locker, namely a Paid Keyless Storage Locker at the Jakarta City MRT Station. This system consists of lockers and applications that are connected to each other. This app is integrated with the Firebase Realtime Database as a connection between the app and the locker. The function of the application is where the user places an order for a locker based on the desired station location and to open the locker. as a processing tool according to the choice of time and determine the locker used with the QR code payment that appears on the application to the ESP 32-CAM which functions as a function. The tests carried out for this application are tests that refer to the ISO 25010 standard with aspects of functional suitability, compatibility, portability, performance efficiency, and usability. The results of testing aspects of functional suitability, compatibility, and portability get 100% feasibility presentation results. Then for the performance efficiency aspect, it was carried out on two devices with CPU (Central Processing Unit) performance results of 9.973% and 1.58% and memory performance results of 128,521 MB and 61,199 MB. The last test, namely the usability aspect, showed that from the ten-point questionnaire distributed to the respondents to get the results, eight points were very feasible and two questionnaire points were feasible. Keywords: MRT, Application, Database, QR code, ISO 205010
Rancang Bangun Smart Controller untuk Tanaman Anggur di Greenhouse Menggunakan Modul Long Range (LoRa) Mohammad Alif Budiman; Vania Reviana; Viving Frendiana
Spektral Vol. 3 No. 2 (2022): Oktober 2022
Publisher : Politeknik Negeri Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32722/spektral.v3i2.5085

Abstract

Grapes are one of the plants cultivated by the Duren Tiga greenhouse. Growing grapes requires soil that is not too wet, a temperature that is not too hot, and soil pH that is suitable are needed, so a smart greenhouse is needed to help monitor and irrigate the grapes. In this paper, a design of a smart controller using a Long Range (LoRa) module for a smart greenhouse system is presented. The system uses a DHT11 temperature sensor, a soil moisture sensor as a soil humidity sensor, a soil pH sensor, and a BH1750 light intensity sensor. A LoRa module with a frequency of 922 MHz and an ESP32 NodeMCU as a microcontroller on the transmitter and receiver side are needed for data transmission. Testing results of the temperature sensor in both nodes showed very good accuracy with error values of 1.40 and 1.49. Testing results of the soil humidity sensor in both nodes also showed very good accuracy with error values of 1.97 and 2.36. Similarly, testing of the soil pH sensor in both nodes resulted in good accuracy with error values of 1.34 and 1.72. Testing of the BH1750 light intensity sensor also showed good accuracy with error values of 4.13 and 5.08. Testing of the LoRa module showed a range of 1.4 km with an RSSI of -109 dBm and an SNR of -9.5 dB, and data that can be received up to 10 packets with a throughput of 42.67 bps, which is considered sufficient.
Perancangan Aplikasi Mobile Secure Lab Pada Ruangan Laboratorium Telekomunikasi Politeknik Negeri Jakarta Viving Frendiana; Afif Tadjuddin Shaf
Jurnal Ilmu Komputer dan Desain Komunikasi Visual Vol 8 No 2 (2023): Jurnal Ilmu Komputer dan Desain Komunikasi Visual
Publisher : Fakultas Ilmu Komputer Universitas Nahdlatul Ulama Sidoarjo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55732/jikdiskomvis.v8i2.926

Abstract

The Telecommunications Engineering Laboratory is one of the laboratories under the Department of Electrical Engineering, at Jakarta State Polytechnic. To increase the security of the laboratory room, a mobile application called Secure Lab can be used, where a door lock with a QR code is connected to the application. The QR code functions as a room key which was built using Android Studio and uses the Kotlin programming language. This application is also connected to Authentication and Realtime Database on Firebase. There are two access rights to the Secure Lab application, namely as a lecturer and a student. To act as a student, you need to create an account first so you can request room access using a QR code and open the door. Acting as a lecturer has the right to provide QR code access to students, which can be used to open the room door within a predetermined period. Secure Lab application testing is intended to determine the application's feasibility. From three tests: Compatibility, Functional Suitability, and Portability aspects, very decent results were obtained. From the QR code reading test, the result was that a scanner could read the QR code produced by the Secure Lab application. Testing based on the distance obtained results that 10-16 cm is the distance that can still be read by the scanner.
Perancangan Aplikasi Mobile “Bersih Plus” Menggunakan Framework Flutter untuk Nasabah Bank Sampah Dzakiyyudin, Muhammad; Frendiana, Viving
Prosiding Seminar Nasional Teknik Elektro, Sistem Informasi, dan Teknik Informatika (SNESTIK) 2024: SNESTIK IV
Publisher : Institut Teknologi Adhi Tama Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31284/p.snestik.2024.5914

Abstract

Penelitian ini bertujuan untuk mengembangkan aplikasi nasabah bank sampah di Kampung ProKlim, dengan tujuan memudahkan pemantauan dan pemanfaatan insentif ekonomi yang diberikan oleh bank sampah. Melalui analisis terhadap penelitian terdahulu, pengumpulan data langsung dari bank sampah di Kampung ProKlim, dan wawancara dengan pejabat lingkungan terkait, fitur-fitur yang diperlukan untuk aplikasi tersebut telah diidentifikasi. Proses desain aplikasi melibatkan pembuatan antarmuka pengguna yang ramah pengguna menggunakan FlutterFlow. Halaman login memungkinkan pengguna untuk memasukkan NIK dan password atau mendaftar untuk membuat akun baru, disediakan pula opsi untuk pemulihan password ketika pengguna lupa password. Halaman registrasi memungkinkan pengguna untuk mendaftar dengan menyediakan detail yang diperlukan, dan halaman pemulihan memfasilitasi pengambilan password melalui alamat email yang terhubung. Halaman utama menampilkan kartu virtual dengan NIK pengguna sebagai nomor rekening dan total saldo insentif, serta menu navigasi untuk memanfaatkan insentif yang diberikan, melihat riwayat transaksi, dan melakukan pengaturan akun. Dengan mengintegrasikan fungsi-fungsi ini, aplikasi ini bertujuan untuk mengatasi kebutuhan nasabah bank sampah di Kampung ProKlim, yang pada akhirnya akan berkontribusi pada kesadaran lingkungan dan kesejahteraan ekonomi di masyarakat.
Co-Authors Afif Tadjuddin Shaf Afiyanti, Aisyah Agus Wagyana Agus Wagyana Annisa Octaviani Purwaningtyas Asri Wulandari Biyanto, Farhan Yuswa Budi Utami Budi Utami Budi Utami Dandun Widhiantoro Desi Fitriana Dwiyanti, Diah Dzakiyyudin, Muhammad Fachma Oktafiani Fahmi Febriyansyah Fathurahman, Mohamad Haykhal Bhatara Dimas Arief Meidiyansyah, Muhammad Roby Mohamad Fathurahman MOHAMMAD ALIF BUDIMAN Morrin Nadya Pangesti Muhammad Teddy Rahmansyah MURIE DWIYANITI1 Nadhiroh, Nuha Nur'Alfienda, Salsya Oktavianingsih, Khaila Putra Uji Deva Satrio Rika Novita Wardhani Shita Herfiah Shita Herfiah Vania Reviana Zulhelman zulhelman