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All Journal International Journal of Electrical and Computer Engineering IAES International Journal of Artificial Intelligence (IJ-AI) Majalah Ilmiah Teknologi Elektro Mechatronics, Electrical Power, and Vehicular Technology Jurnal INKOM Jurnal Simetris TELKOMNIKA (Telecommunication Computing Electronics and Control) Bulletin of Electrical Engineering and Informatics Bulletin of Electrical Engineering and Informatics Journal of ICT Research and Applications Setrum : Sistem Kendali-Tenaga-elektronika-telekomunikasi-komputer ELINVO (Electronics, Informatics, and Vocational Education) JURNAL NASIONAL TEKNIK ELEKTRO Bulletin of Electrical Engineering and Informatics Proceeding of the Electrical Engineering Computer Science and Informatics International Journal of Supply Chain Management Indonesian Journal of Electrical Engineering and Computer Science Community Empowerment Jurnal Nasional Teknik Elektro dan Teknologi Informasi Jurnal Ilmiah Teknik Elektro Jurnal INFOTEL Majalah Ilmiah Teknologi Elektro
Trio Adiono
Institut Teknologi Bandung
Arts Humanities Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Education Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Public Health Social Sciences Transportation

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IMPLEMENTASI PERANGKAT DIGITAL SIGNAL PROCESSING UNTUK SISTEM VISIBLE LIGHT COMMUNICATION Syifaul Fuada; Angga Pratama Putra; Yulian Aska; Angga Pradana; Erwin Setiawan; Trio Adiono
Jetri : Jurnal Ilmiah Teknik Elektro Jetri Volume 15, Nomor 2, Februari 2018
Publisher : Website

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (858.736 KB) | DOI: 10.25105/jetri.v15i2.2352

Abstract

In order to realize a high-speed visible light communication (VLC) system, digital signal processing (DSP) device is required, including the main processing unit, DAC, and ADC. This paper discusses the interface design of the DSP processing unit to 10-bit DAC and 12-bit ADC for VLC applications. The systems in DAC and ADC modules have been designed with a SoC- based approach by using processing unit based on FPGA Xilinx Zynq xc7z010-1CLG400C on the Avnet MicroZed board. The design of hardware-level-design (H/W SoC) is done by utilizing IP blocks from Xilinx using Vivado 2014.2. While the hardware-level-design (S/W SoC) is designed using Xilinx SDK 2014.2. The DSP receiver has been tested in several scenarios, the DAC module is able to convert 10-bit digital signals into analog signals in  sinusoidal form and can adjust its output frequencies, while the ADC module is capable of processing the analog signals into 12-bit digital signals with two's complement format. Keywords: ADC, DAC, DSP, system on-chip, visible light communications Untuk mewujudkan sistem visible light communication dengan kecepatan tinggi, diperlukan perangkat DSP yang memadai, mencakup unit pemroses utama, DAC, dan ADC. Pada makalah ini dirancang interface dari pemroses utama terhadap DAC 10-bit dan ADC 12-bit untuk aplikasi sistem VLC. Sistem pada modul DAC dan ADC, dirancang dengan pendekatan system-on-chip (SoC) dengan menggunakan unit pemroses berbasis FPGA Xilinx Zynq xc7z010-1CLG400C pada board Avnet MicroZed. Perancangan H/W SoC dilakukan dengan memanfaatkan blok-blok IP dari Xilinx menggunakan Vivado 2014.2. Sementara pada S/W SoC dirancang dengan menggunakan Xilinx SDK 2014.2. Penerima DSP telah diuji dengan beberapa skenario, modul DAC mampu mengkonversi sinyal digital 10-bit menjadi analog dalam bentuk sinusiodal dan dapat diatur frekuensi outputnya, sedangkan modul ADC mampu mengolah sinyal analog menjadi sinyal digital 12-bit dengan format bilangan two’s complement. Kata kunci: ADC, DAC, DSP, Sistem on-Chip,visible light communication
A high frame-rate of cell-based histogram-oriented gradients human detector architecture implemented in field programmable gate arrays Syifaul Fuada; Trio Adiono; Hans Kasan
IAES International Journal of Artificial Intelligence (IJ-AI) Vol 12, No 2: June 2023
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11591/ijai.v12.i2.pp714-730

Abstract

In respect of the accuracy, one of the well-known techniques for human detection is the histogram-oriented gradients (HOG) method. Unfortunately, the HOG feature calculation is highly complex and computationally intensive. Thus, in this research, we aim to achieve a resource-efficient and low-power HOG hardware architecture while maintaining its high frame-rate performance for real-time processing. A hardware architecture for human detection in 2D images using simplified HOG algorithm was introduced in this paper. To increase the frame-rate, we simplify the HOG computation while maintaining the detection quality. In the hardware architecture, we design a cell-based processing method instead of a window-based method. Moreover, 64 parallel and pipeline architectures were used to increase the processing speed. Our pipeline architecture can significantly reduce memory bandwidth and avoid any external memory utilization. an altera field programmable gate arrays (FPGA) E2-115 was employed to evaluate the design. The evaluation results show that our design achieves performance up to 86.51 frame rate per second (Fps) with a relatively low operating frequency (27 MHz). It consumes 48,360 logic elements (LEs) and 4,363 registers. The performance test results reveal that the proposed solution exhibits a trade-off between Fps, clock frequency, the use of registers, and Fps-to-clock ratio.
Prototyping of e-fisherman web server to support Indonesian fishermen’s activities Syifaul Fuada; Trio Adiono
IAES International Journal of Artificial Intelligence (IJ-AI) Vol 12, No 4: December 2023
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11591/ijai.v12.i4.pp1960-1973

Abstract

This paper presents a webserver for Indonesian fishermen, to support fishing activities. This is one of the sub-systems of e-Nelayan (in English: eFisherman) architecture, which was connected to e-Nelayan Apps; it helps to provide interaction between two users, including the administrators and fishermen. Using hypertext preprocessor (PHP) language, the website was developed to function on an Apache web server, with the adaptation of my structured query language (MySQL) framework for the database. This system was subsequently divided into two parts: (1) the front-end, which is responsible for the accessibility of data collection and (2) the back-end, where administrators update or modify crucial information: price, fishing result, illegal activity report, save our ship! (SOS) potential fish zone, and ship tracking. The administrators are unable to update the real-time weather information for the front-end part. The application was found to record the information obtained from the fishermen through the e-Nelayan apps and meteorology, climatology, and geophysical agency (BMKG in Indonesian). This web system is expected to carry out the following functions: to ensure easier interactions between fishermen and administrators, to enable easy update of information, to promote monitoring and recording of results, and to ensure fishermen’s safety.
Desain Awal Analog Front-End Optical Transceiver untuk Aplikasi Visible Light Communication Trio Adiono; Syifaul Fuada; Angga Pratama Putra; Yulian Aska
Jurnal Nasional Teknik Elektro dan Teknologi Informasi Vol 5 No 4: November 2016
Publisher : Departemen Teknik Elektro dan Teknologi Informasi, Fakultas Teknik, Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1302.057 KB)

Abstract

Analog Front-End (AFE) is a part of physical layer (PHY) at Visible Light Communications (VLC) system which has important things to transmit and receive the data. This research is a preliminary study in designing AFE transceiver which consists of LED driver and Trans-impedance Amplifier (TIA). The results are used as advanced reference design of AFE system and also to determine the modulations range (analog as well as digital). The design verification is based on data transmission which generated by signal generator. Square wave signal is used as digital modulation representative, and sinusoid signal as analog modulation representatitive. The range of VLC channels is about 50 cm with 0o angle. The result shows that digital modulation bandwidth is about 1 KHz to 10 KHz frequency, and analog modulation bandwidth is from 200 KHz to 600 KHz. We also find a significant impact by adding 1 pF capacitor to reduce noise gain. Furthermore, color filter testing is performed to investigate the design performance.
Rancang Bangun Layer Fisik Visible Light Communication Pada Sistem Transmisi Audio Syifaul Fuada; Trio Adiono
JURNAL INFOTEL Vol 9 No 3 (2017): August 2017
Publisher : LPPM INSTITUT TEKNOLOGI TELKOM PURWOKERTO

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20895/infotel.v9i3.288

Abstract

Kini, fungsi LED tidak hanya sebagai penerangan saja, melainkan dapat dimanfaatkan sebagai media komunikasi. Teknologi ini lazim disebut sebagai komunikasi cahaya tampak atau VLC, yang mana telah mulai diaplikasikan pada area-area yang rentan gelombang elektromagnetik seperti rumah sakit, kabin pesawat, bandara, markas militer dan lain sebagainya. Media yang umumnya dijadikan objek transmisi data adalah berupa gambar, video, audio (musik), teks, bahkan paket data untuk keperluan browsing internet. Penelitian ini mengimplementasikan sistem VLC yang berfokus pada layer fisik, yakni pada bagian Analog Front-End (AFE). Sistem yang dirancang terdiri atas modul AFE transmitter sebagai modulator dan AFE receiver sebagai demodulator. Rancangan AFE transmitter mengadopsi prinsip dari modul Bias-T, dengan fungsi yang sama namun memiliki keunggulan pada sisi low-cost. Sedangkan pada bagian AFE receiver, terdapat modul DC-offset remover yang berfungsi untuk mereduksi sinyal DC dari ambient light. Hasil demonstrasi menunjukkan bahwa sistem secara fungsional dapat digunakan untuk transmisi sinyal audio via cahaya tampak dan secara langsung ditampilkan ke loudspeaker yang mana pengamatan dilakukan secara langsung dengan membandingkan amplitude sinyal input ke LED driver dengan sinyal output dari stage terakhir dari AFE receiver. Berdasarkan pengujian dapat ditunjukkan bahwa bandwidth optimum dari AFE transceiver adalah dalam rentang 50 kHz sampai 450 kHz (referensi redaman pada frekuensi cut-off = -3 dB) dan jarak maksimum transmisi data adalah 40 cm dengan sudut elevasi penerimaan sebesar 0 derajat
A Custom Firmware and Lightweight Battery System Design for Portable RFID Reader Trio Adiono; Hans Kasan; Suksmandhira Harimurti; Farkhad Ihsan Hariadi
JURNAL INFOTEL Vol 10 No 2 (2018): May 2018
Publisher : LPPM INSTITUT TEKNOLOGI TELKOM PURWOKERTO

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20895/infotel.v10i2.366

Abstract

Small to large-scale companies mostly have warehouses to store their inventories, and to manage them a warehouse management system is required. A low cost, yet powerful solution is using a portable RFID reader. In RFID portable reader system, there are three components which are the most essential, i.e. host and its firmware, RF module, and battery.. In this paper, we propose a custom firmware design, which is compatible with different RFID reader chips or development boards. The custom firmware is designed to work by triggering the execution of Electronic Product Code (EPC) Generation 2 protocol standard command on the reader chip. Hence, the firmware can fully utilize the reader chip’s command. Furthermore, a lightweight battery system is also designed. Targeting for a high mobility use, a very lightweight Li-Pro battery, weighing of only 0.1 kg, is used for the battery system. It is also able to work at long operating hour up to 4 hours.
Design of AXI4-Stream based Modulator IP Core for Visible Light Communication System-on-Chip Erwin Setiawan; Trio Adiono
JURNAL INFOTEL Vol 10 No 2 (2018): May 2018
Publisher : LPPM INSTITUT TEKNOLOGI TELKOM PURWOKERTO

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20895/infotel.v10i2.367

Abstract

In this paper, the design of AXI4-Stream based modulator IP core for Visible Light Communication is reported. The modulator IP core conforms to the AXI4-Stream protocol standard, which is widely used in System-on-Chip (SoC) design. There are three modulation types in this IP core namely, Binary Phase Shift Keying (BPSK), Quadrature Phase Shift Keying (QPSK), and Quadrature Amplitude Modulation-16 (QAM-16). These modulation types are commonly used in the DCO-OFDM system. The modulation types can be selected programmatically from software that runs in the main processor by accessing the control register. The output of the modulator is designed for DCO-OFDM modulation using 64-point IFFT. According to the simulation results, this modulator IP core can achieve a throughput of 95.36 Mb/s, 184.77 Mb/s, and 347.81 Mb/s for BPSK, QPSK, and QAM-16, respectively. This modulator IP core is reusable in the DCO-OFDM system, so it increases productivity in DCO-OFDM system design.
Prototype of Long-Range Radio Communication for e-Nelayan Devices using LoRaWAN Febri Dawani; Syifaul Fuada; Sinantya Feranti Anindya; Aditia Rifai; Erick Adinugraha; Irfan Gani Purwanda; Trio Adiono
JURNAL INFOTEL Vol 10 No 4 (2018): November 2018
Publisher : LPPM INSTITUT TEKNOLOGI TELKOM PURWOKERTO

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20895/infotel.v10i4.411

Abstract

In this paper, development progress of a long-range radio communication-based fishing assistant system called e-Nelayan is reported. The purpose of the system is to increase the productivity, safety, and welfare of fishermen using mobile phone and long-range radio based system that enables them to report maritime violations, access and exchange information regarding weather, fishing area, marketplace, and also communication with mainland using Android-based mobile phone within extended range. We used LoRaWAN as a base technology for long-range communication scheme. In this work, the test conducted to obtain an insight to e-Nelayan device (LoRa-based) received RSSI and its packet loss. The received data collected in a server also includes the GPS tracking data. The test results show that our system reached approximately 5 km of distance between end-node to the LoRa Gateway within urban area (LoS configuration) and about 2 km for NLOS configuration.
Desain dan Implementasi Sistem Visible Light Communication berbasis Pulse Width Modulation Angga Pradana; Syifaul Fuada; Trio Adiono
Jurnal Teknologi Elektro Vol 17 No 2 (2018): (May - Agustus) Majalah Ilmiah Teknologi Elektro
Publisher : Program Studi Magister Teknik Elektro Universitas Udayana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/MITE.2018.v17i02.P11

Abstract

Design, implementation, and its evaluation of visible light communication (VLC) using 1-PWM is discussed clearly in this paper. The designed system consists of two main blocks: VLC Coordinator that cover DSP and AFE transmitter whereas the VLC client covers the DSP and AFE receiver. The Microcontroller STM32F4 board is employed as DSP device in this project, both for coordinator- and client-side. The VLC demo shows that real-time texts streaming with 10 kb of packet size can be performed well. Our VLC system can be used optimally in 50 to 70 cm of optical channel distance with 0 degrees. In other hands, the maximum bit-rate of this VLC system is limited to 3.3 kbps.
Characterization of A2G UAV communication channels under rician fading conditions Guno, Yomi; Adiono, Trio; Suryana, Joko; Triputra, Fadjar Rahino; Hidayat, Asyaraf; Octaviany, Siti Vivi
Indonesian Journal of Electrical Engineering and Computer Science Vol 37, No 1: January 2025
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11591/ijeecs.v37.i1.pp143-153

Abstract

The variation in the k-factor value significantly influences the performance of unmanned aerial vehicle (UAV) air-to-ground point-to-point line of sight (A2G PTP LOS) communications over a Rician channel at 1,800 MHz using quadrature phase shift keying (QPSK) modulation and orthogonal frequency division multiplexing (OFDM) techniques. The research emphasizes the impact of the k-factor, which quantifies the dominance of the line-of-sight component over multipath scattering. The variation in the k-factor significantly influences UAV A2G PTP LOS communication performance for the empirical model (EM), as it involves precise measurements of the received power level in dBm from UAV to ground control station (GCS) across varying distances and altitudes. We introduce a method to compute the k-factor by assessing the ratio of the line-of-sight signal power to the multipath signal power, thereby enhancing channel modeling accuracy. Empirical analysis shows a strong correlation between bit error rate (BER) and signal-to-noise ratio (SNR) with differing k-factor values; a higher k-factor of 16.3 markedly improves performance, virtually eliminating errors at a 10 dB SNR, while a lower k-factor of 2.39 still shows significant errors at a 30 dB SNR. These results highlight the necessity of optimizing the k-factor in UAV A2G PTP LOS systems to ensure stable and reliable communication under diverse operational conditions.
Co-Authors Abdurrahman, Imran Adang Suwandi Ahmad Adijarto, Waskita Adinugraha, Erick Aditia Rifai Aditya F. Ardyanto Afandi, Najma Khansa Alya Agung, Anton Toni Agung, Anton Toni Ahmad Zaky Ramdani Alfi, Feiza Angga Pradana Angga Pradana Angga Pradana Angga Pratama Putra Angga Pratama Putra Angga Pratama Putra Angga Pratama Putra Angga Pratama Putra, Angga Pratama Arwin Datumaya Wahyudi Sumari Bambang Riyanto Trilaksono Braham Lawas Lawu Catherine Olivia Sereati Dawani, Febri Erick Adinugraha Erwin Setiawan Erwin Setiawan Erwin Setiawan, Erwin Fadjar Rahino Triputra Fadjar Rahino Triputra, Fadjar Rahino Farkhad Ihsan Hariadi Fathany, Maulana Yusuf Guno, Yomi Hans G. Kerkhoff Hans Kasan Hans Kasan Hariadi, Farkhad Ihsan Haslina Arshad Hidayat, Asyaraf Hiroaki Kunieda Idham Hafizh Imran Abdurrahman Infall Syafalni Irfan Gani Purwanda Joko Suryana Kasan, Hans Khilda Afifah Leonardi Paris Hasugian Maulana Yusuf Fathany Maulana Yusuf Fathany Maulana Yusuf Fathany Mohamad Dahsyat Mohamad Dahsyat, Mohamad Muhammad Arif Sulaiman Muhammad Husni Santriaji Nur Afyfah Suwadi Nur Ahmadi Nur Ahmadi Nurfitri Anbarsanti Octaviany, Siti Vivi Pamungkas, Sandi Purwanda, Irfan Gani Rachmad Vidya Wicaksana Putra Rachmad Vidya Wicaksana Putra Rachmad Vidya Wicaksana Putra Rachmad Vidya Wicaksana Putra Rachmad Vidya Wicaksana Putra Rachmad Vidya Wicaksana Putra Rachmad Vidya Wicaksana Putra Rella Mareta Rianto Adhy Sasongko Rianto Adhy Sasongko, Rianto Adhy Rifai, Aditia Ruzzakiah Jenal Septian G. P. Putra Sinantya Feranti Anindya SINANTYA FERANTI ANINDYA, SINANTYA FERANTI Suksmandhira Harimurti Sulaiman, Muhammad Arif Syifaul Fuada Waskita Adijarto Yulian Aska Yulian Aska Yulian Aska Yulian Aska Yulian Aska, Yulian Zainal Rasyid Mahayuddin