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All Journal TELKOMNIKA (Telecommunication Computing Electronics and Control) ELKOMIKA: Jurnal Teknik Energi Elektrik, Teknik Telekomunikasi, & Teknik Elektronika JOIV : International Journal on Informatics Visualization TEKTRIKA - Jurnal Penelitian dan Pengembangan Telekomunikasi, Kendali, Komputer, Elektrik, dan Elektronika IJAIT (International Journal of Applied Information Technology) JMECS (Journal of Measurements, Electronics, Communications, and Systems) Prosiding Konferensi Nasional PKM-CSR eProceedings of Engineering Jurnal INFOTEL Telkatika: Jurnal Telekomunikasi Elektro Komputasi & Informatika Jurnal Elektronika dan Telekomunikasi
Brian Pamukti
Universitas Telkom
Humanities Computer Science & IT Control & Systems Engineering Economics, Econometrics & Finance Education Electrical & Electronics Engineering Engineering Environmental Science Industrial & Manufacturing Engineering Materials Science & Nanotechnology Nursing Public Health Social Sciences

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Analisis Performansi Kapasitas Sistem UVLC Berbasis NOMA dengan Perubahan Metode Alokasi Daya pada Kanal Propagasi NLoS Fadilah, Budi Ikhwan; Mufti A, Nachwan; Pamukti, Brian
eProceedings of Engineering Vol. 10 No. 4 (2023): Agustus 2023
Publisher : eProceedings of Engineering

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Abstract

Underwater Visible Light Communication (UVLC) merupakan salah satu penerapan teknologi VLC yang menggunakan pancaran Light Emitting Diode (LED) pada medium air. UVLC menjadi alternatif yang tepat untuk komunikasi bawah air selain penggunaan gelombang akustik dan radio. Efektivitas biaya dan konsumsi energi yang rendah menjadi keunggulan lainnya. Salah satu kekurangan yang dimiliki UVLC adalah sempitnya bandwidth modulasi sehingga mengakibatkan pengurangan kapasitas yang dicapai sistem. Untuk mengatasi permasalahan tersebut diimplementasikan Non-Orthogonal Multiple Access (NOMA). NOMA adalah suatu teknik penggabungan beberapa sinyal yang dibedakan berdasarkan daya tiap user. Dalam sistem NOMA, terdapat superposition coding di sisi pengirim dan successive interference cancellation (SIC) di sisi penerima. Pada Tugas Akhir ini, membandingkan dua metode alokasi daya yaitu Gain Ratio Power Allocation (GRPA) dan Static Power Allocation (SPA). Selain itu, dilakukan juga penelitian pada kanal dengan kondisi terdapat turbulensi dan tanpa adanya turbulensi. Adapun Parameter yang diujikan adalah Signal to Interference Plus Noise Ratio (SINR) serta kapasitas. Hasil simulasi dan analisis didapatkan sistem NOMA-UVLC dengan alokasi daya GRPA lebih stabil dibandingkan dengan alokasi daya SPA dengan rata-rata kenaikan kapasitas 52%. Kapasitas sistem mengalami penurunan pada kondisi turbulensi serta dipengaruhi oleh diterapkannya residu pada proses Successive Interference Cancellation (SIC) dibandingkan tidak mengalami residu pada proses SIC.Kata kunci— UVLC, NOMA, NLoS, power allocationn, sic
Performansi Static Power Allocation Di Ruangan Indoor Pada Sistem VLC-NOMA Menggunakan Modulasi PPM Afifah, Syifa Hana; Adriansyah, Nachwan Mufti; Pamukti, Brian
eProceedings of Engineering Vol. 10 No. 5 (2023): Oktober 2023
Publisher : eProceedings of Engineering

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Abstract

Seiring penggunaan teknologi yang semakin pesatmembuat berkembangnya inovasi dalam dunia teknologi.Visible Light Communication (VLC) adalah sistem komunikasiyang memanfaatkan cahaya tampak sebagai mediatransmisinya. VLC memiliki kekurangan pada bandwithmodulasi yang terbagi saat pengguanaan user dalam jumlahbanyak. Dalam mentransmisikan data VLC juga dapatmengalami interferensi dari suatu objek yang meghalangicahaya untuk sampai lansung ke user. Pada penelitian inimenganalisis Non-Orthogonal Multiple Access (NOMA) dalammengatasi kekurangan pada VLC. Teknik alokasi daya yangdigunakan adalah Static Power Allocation (SPA) danmeggunakan Pulse Position Modulation (PPM). Penelitian inimenggunakan kanal Line of Sight (LOS) dan Non-Line of Sight(NLOS). Parameter performansi yang digunakan yaitu Signalto Interference plus Noise Ratio (SINR), kapasitas kanal, dan BitError Rate (BER). Berdasarkan penelitian ini dapatdisimpulkan bahwa hasil SINR dengan kondisi kanal LOS lebihbaik dibandingkan kondisi kanal NLOS. Skenario yangmemiliki 2 user mendapatkan nilai SINR tertinggidibandingkan skenario lain nya, dengan nilai 33,450dB untukkanal LOS dan 25,491dB untuk kanal NLOS. Sedangkan untukBER dapat disimpulkan bahwa semakin tinggi level padamodulasi PPM digunakan, maka hasil dari BER akan semakinbaik.Kata kunci— Visible Light Communication, Non-Orthogonal Multiple Access, Pulse Position Modulation, BitError Rate, Signal to Interference plus Noise Ratio
Performance Evaluation of Successive Interference Cancellation on Gain Ratio Power Allocation using Underwater Visible Light Communication Channel Nur'Adli, Luthfi; Fahmi, Arfianto; Pamukti, Brian
JOIV : International Journal on Informatics Visualization Vol 6, No 2 (2022)
Publisher : Society of Visual Informatics

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30630/joiv.6.2.994

Abstract

Underwater Visible light communication (UVLC) is a network communication wirelessly where information is transmitted employing light through visible waves; in this case, the light source comes from a light-emitting diode (LED) as a transmitter underwater. VLC has several advantages over radio frequency technology, such as safer communication because light propagation cannot penetrate the wall, so it is difficult to do hacking, easy to get a license, relatively build cheap cost, and has no side effects on health. However, VLC has several limitations, one of which is the narrow bandwidth modulation. VLC undergoes a distribution of modulated bandwidth to allocate against each user. This bandwidth sharing has an impact on reduced system capacity. This study applied non-orthogonal multiple access (NOMA) to increase system capacity. This research analyzes the performance of the two best power allocation methods in a water medium, including gain ratio power allocation (GRPA) and static power allocation (SPA). In the results obtained in the NOMA-UVLC power allocation value, GRPA is more stable than SPA power allocation. Then applying residue in the successive interference cancellation (SIC) process will result in a decrease in system capacity compared to no residue in the SIC process. This study found that the GRPA power allocation is more stable in capacity performance compared to the application of SPA power allocation. Average capacity increase of 48.5% in GRPA power allocation
Analisis Performansi Teknologi Dwdm Dengan Penguat Optik Hybrid Roa-Edfa Berbasis Soliton Barawasi, Tika Nadhiah; Pamukti, Brian; Yudiansyah, Yudiansyah
eProceedings of Engineering Vol. 12 No. 6 (2025): Desember 2025
Publisher : eProceedings of Engineering

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Abstract

Peningkatan kebutuhan akan transmisi data berkapasitas besar dan jarak jauh mendorong penggunaan teknologi Dense wavelength division multiplexing (DWDM) dalam sistem komunikasi optik. Namun, tantangan utama pada DWDM adalah redaman dan dispersi sinyal yang terjadi seiring bertambahnya jarak transmisi. Penelitian ini bertujuan untuk menganalisis performansi sistem DWDM berbasis soliton dengan kombinasi penguat optik hybrid ROA-EDFA dalam dua konfigurasi: ROA sebagai booster amplifier dan sebagai inline amplifier. Selain itu, diteliti pula pengaruh penggunaan dispersion compensation fiber (DCF) dalam meningkatkan kualitas sinyal. Simulasi dilakukan menggunakan perangkat lunak OptiSystem 7.0 dengan variasi daya laser dari -8 dBm hingga 8 dBm, serta panjang serat optik 30 km, 50 km, dan 100 km. Hasil menunjukkan bahwa konfigurasi ROA sebagai booster amplifier memberikan performa terbaik, terutama jika dikombinasikan dengan DCF, dengan nilai bit error rate (BER) mencapai 10⁻³⁶. Sebaliknya, penggunaan ROA sebagai inline amplifier menunjukkan penurunan kualitas sinyal pada daya rendah dan jarak jauh. Kesimpulannya, konfigurasi ROA sebagai booster amplifier dengan DCF sangat direkomendasikan untuk sistem DWDM jarak jauh. Penggunaan soliton juga terbukti efektif dalam mempertahankan kestabilan sinyal dan menekan efek dispersi dalam jaringan optik. Kata kunci— sortasi pisang, computer vision, ESP8266, teachable machine, otomasi, blynk
Bidirectional Network in Hybrid Coarse Wavelength Division Multiplexing/Time Division Multiplexing (CWDM/TDM) on NG-PON2 for 40 Gbps Akhmad Hambali; Brian Pamukti
Jurnal Elektronika dan Telekomunikasi Vol. 19 No. 1 (2019)
Publisher : National Research and Innovation Agency

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/jet.v19.13-19

Abstract

In this research, we propose hybrid Coarse Wavelength Division Multiplexing/Time Division Multiplexing (CWDM/TDM)-Passive Optical Networks (PON) scheme for optimizing the new technology of Gigabit-PON (GPON) called Next Generation-PON Stage 2 (NG-PON2). The simulation of using this scheme proved that Q-Factor increase and Bit Error Rate (BER) decreased, significantly. We use CWDM scheme for downstream while TDM is used for upstream, and we assimilate both of them with new configuration in bidirectional cable setting. CWDM is used due to low nonlinearity effect like Kerr effects. It has the same working principle based on (Time Wavelength Division Multiplexing-PON) TWDM-PON by differentiating the use of wavelength, it can be easily implemented on existing PON technology, and can be used in single-mode optical fiber (SMF) with greater bandwidth and much cheaper operational costs. From the calculations and simulations, it can be analyzed that the network Hybrid of CWDM / TDM-PON able to work on bit rate of 40/10 Gbps on the number of users 32, 64, and 128, with Q-Factor value is above 6 equal to International Telecommunication Union of Telecommunication (ITU-T) standard. The number of users 32 with two cable lengths of 10 and 20 km have value of Q-Factor 25.960 and 14.815 respectively, while64 users with the same cable length have Q-Factor value of 15.808 and 13.046 respectively. In addition, 128 users with the same cable length have BER value of 17.778 and 12.944 respectively.
Impact of The Number of Light Emitting Diode Towards The Accuracy in Indoor Positioning System Based on Visible Light Communication Brian Pamukti; Miftakhul Meiliana Rahmawati; Nachwan Mufti Adriansyah
Jurnal Elektronika dan Telekomunikasi Vol. 20 No. 2 (2020)
Publisher : National Research and Innovation Agency

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/jet.v20.70-75

Abstract

This research detects the random position with received signal strength (RSS) method based on the received power in the room with a size of 5×5×3 cubic meter and several numbers of light emitting diode (LEDs). The first scenario uses 4 LEDs, the second scenario uses 6 LEDs and the third scenario uses 8 LEDs. Random points as the detector are placed spread at the room as many as 25 points. The simulation result shows that the use of more LEDs reduces the positioning error and increases the accuracy. If the accuracy reduces, the positioning error increase and affect the detection results. Using 8 LEDs, the number of the detected random point increases 30%, the positioning error is 47%, and the accuracy increase from 33%.  In addition, our research is useful for finding the locations of small items such as sensors that are scattered in a closed room.
Co-Authors Achmad Wildan Almaiz Achmad Yanatun Adhy Rizkya Oktauzi Putra Afifah, Syifa Hana Ahmad Hidayat Akhmad Hambali Alfin Satya Maulana AMINAH INDAHSARI MARSUKI Amirullah Wijayanto Andika Putra Ramadhan Andre Frendra Zuli Arfianto Fahmi Barawasi, Tika Nadhiah Berlian Nurfadhilah Cindy Dwitanti Pradini Desti Madya Saputri Dhamara Kuncara Ningrum Diah Ayu Lestari, Diah Ayu Doan Perdana Dyndra Anindita Ramadhanti Eka Yunita Dian Pratiwi Erna Sri Sugesti Fadilah, Budi Ikhwan Fahira Indriyana FASYA, ISTI Fauzan Munggara Fida Septiani Putri Herlina, Lisye Hurianti Vidyaningtyas Ignatio Chriesma Diba Sanggiantara Ilham putra pratama Kris Sujatmoko Lazuardi Ramadeanto Lisa Charisa Batara Lita Harpaning Pertiwi Maulana Pragnya Ghita Miftakhul Meiliana Rahmawati Mufti A, Nachwan Muh Farhan Pratama R Muhamad Arief Permana Muhamad Prasetyo Notonegoro Muhammad Etfrawan Shobirin Muhammad Fajar Nugraha Nachwan Mufti Adriansyah Najib Asqolani Akbar NILADBRATA, REYVALDO FAHREZY Nur'Adli, Luthfi Olyvia Noviyanti PRATAMA, BIMA SURYA Priya Aristo Raga Filydevilia Putra Rahmadianti Nelson Rana Ayunda Salsabila Rina Pudji Astuti Satrio Priambodo Sutari, Wiyono Syifa Hana Afifah Taufik Abdurrahman Taufik Akbar Tiara Fadila Tita Haryanti Vinsensius Sigit Widhi Prabowo Yudiansyah Yudiansyah Zulfikar Sandy Pratama ‘Aunurrafieq, Muhammad Naufal