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All Journal Jurnal Ilmiah Poli Rekayasa Jurnal Informatika dan Teknik Elektro Terapan Journal of Applied Computer Science and Technology (JACOST) Brilliance: Research of Artificial Intelligence Electron: Jurnal Ilmiah Teknik Elektro Jurnal Abdimas: Pengabdian dan Pengembangan Masyarakat International Journal of Advanced Science Computing and Engineering International Journal of Wireless And Multimedia Communications JURNAL PENGABDIAN PEMBANGUNAN PERTANIAN DAN LINGKUNGAN (JP3L) PERFECT: Journal of Smart Algorithms
Amelia Yolanda
Jurusan Teknik Elektro Politeknik Negeri Padang
Agriculture, Biological Sciences & Forestry Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Languange, Linguistic, Communication & Media Library & Information Science Mathematics Social Sciences Other

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Designing Fiber Optic Network Infrastructure with FTTX Configuration Using Network Development Life Cycle (NDLC) Method in Solok Regency Septima, Uzma; Yolanda, Amelia; Chandra, Dikky; Uzhelia, Viorryn Aisha
Brilliance: Research of Artificial Intelligence Vol. 5 No. 1 (2025): Brilliance: Research of Artificial Intelligence, Article Research May 2025
Publisher : Yayasan Cita Cendekiawan Al Khwarizmi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47709/brilliance.v5i1.4708

Abstract

In this research, the design of a GPON FTTH network using Google Earth, AutoCAD, and Optisystem applications was conducted in Nagari Rangkiang Luluih, Solok Regency. Fiber To The Home (FTTH) is a fiber optic technology architecture that delivers information from the provider to the user. The method used in this research is the Network Development Life Cycle (NDLC). The feasibility parameters used are Bit Error Ratio, Q factor, and Link Power Budget. There are 2 proposals and 2 designs for each area. From the results of the design and calculations using software, the best results were obtained for the first proposal for Nagari Rangkiang Luluih design 1 and 2, with an average Bit Error Ratio value for Downlink of 10-19 and for Uplink of 10-36, meeting the standard BER of 10-9. The Q factor values are 8.6521 for Downlink and 13.3908 for Uplink, meeting the Q factor standard of 6. And the Link Power Budget values are -19.045 for Downlink and -16.967 for Uplink, below the receiver sensitivity standard (Rx) of -28 dBm. The software calculations show that the proposed design 1 has a good network quality, is feasible, and meets the ITU-T G.984 standard. The total number of Homepassed is 234 houses or 234 ONT, 1 OLT, 4 ODC, 20 ODP for design 1 and design 2.
Multi-band MIMO Antenna with Square-Ring Slots for 5G Services Syaza Ibra Harlin; Nursal, Firdaus; Yolanda, Amelia
International Journal of Wireless And Multimedia Communications Vol. 2 No. 2 (2025): International Journal of Wireless And Multimedia Communications
Publisher : Politeknik Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62671/jowim.v2i2.143

Abstract

Mobile communications technology is evolving rapidly with the introduction of 5G networks, which offer high speeds, low latency, and greater network capacity. To support these services, antennas that can operate optimally in a wide frequency range are required. The objective of this research is to design and analyze a multi-band square-ring slot MIMO antenna operating at frequencies of 2.6 GHz, 3.6 GHz, and 5.25 GHz. The antenna design is performed using CST Studio Suite 2019 software, and the simulation results are compared with the measurement results after fabrication. The antenna structure utilizes a microstrip design with an FR-4 substrate, optimizing parameters such as slot dimensions, feed line positioning, and element spacing to achieve the desired performance. The results show that the designed antenna has a return loss of < -10 dB, VSWR values in the acceptable range (1 ≤ VSWR ≤ 2), mutual coupling isolation below -20 dB, and ECC < 0.05, indicating good MIMO performance. In addition, the antenna exhibits an omnidirectional radiation pattern, a gain of more than 4 dBi with a maximum of 5.25 dBi at 2.6 GHz, and a wide bandwidth suitable for 5G applications. Although there are differences between simulated and measured results due to environmental factors and manufacturing tolerances, the antenna performance remains within acceptable limits. This research proves that the multi-band MIMO design with a square-ring slot can be an effective and practical solution to enhance 5G service quality, offering advantages for future wireless communication systems.
Analysis of 2G and 4G Network Quality in Solok City Septima, Uzma; Candra, Dikky; Vitria, Rikki; Alfarezi, Muhammad; Yolanda, Amelia
Brilliance: Research of Artificial Intelligence Vol. 4 No. 1 (2024): Brilliance: Research of Artificial Intelligence, Article Research May 2024
Publisher : Yayasan Cita Cendekiawan Al Khwarizmi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47709/brilliance.v4i1.3870

Abstract

Gunung Talang, Twin Lake, Gumanti Valley, Hiliran Gumanti and Pantai Cermin sub-districts in Solok Regency, which are dominated by hills and trees, are the cause of unstable signal quality, causing complaints from the public regarding this. So this study is to determine the network quality in Gunung Talang District, Twin Lakes, Gumanti Valley, Hiliran Gumanti, and Pantai Cermin on Telkomsel, XL and Indosat Operators. Checking is carried out using the drive test method  using TEMS Pocket on 2G and 4G networks. The quality of the 2G network from the measurement results was obtained for RxLevel all operators was bad and for RxQual was good except for Telkomsel operators.Meanwhile,on the 4G network, measurement results for RSRP and SINR for all operators are bad. Some areas that have problems are recommended for optimization, site passenger  and site addition. All of this happens because  of obstacles in the form of hills, cliffs, and tall trees at some point. From the results of the study, the quality of the Telkomsel operator's 4G network has an RSRP value of 46.16% and SINR of 61.06%. XL operators have an RSRP value of 42.7% and SINR which is 60.74%.Meanwhile, Indosat Ooredoo has an RSRP value of 43.2% and SINR of 74.6%. As for the 2G network, the quality of Telkomsel's 2G network operator has an RxLevel value of 47.8% and RxQual of 89.49%. XL operators have an RxLevel value of 58.34% and RxQual of 77.62%.Meanwhile,Indosat Ooredoo has an RxLevel value of 46.16% and RxQual is 80.56%.
Antipodal Vivaldi Array Antenna for LoRa: A Simulation Study within 900–923 MHz Band Herda, Deri Latika; Yolanda, Amelia; Naz Surya, Gardinia; Septima, Uzma; Maria, Popy
Brilliance: Research of Artificial Intelligence Vol. 5 No. 2 (2025): Brilliance: Research of Artificial Intelligence, Article Research November 2025
Publisher : Yayasan Cita Cendekiawan Al Khwarizmi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47709/brilliance.v5i2.7013

Abstract

LoRa (Long Range) is a wireless communication technology that has gained significant attention in the Internet of Things (IoT) due to its wide coverage and low power consumption. However, its performance is often affected by environmental obstacles that cause signal attenuation and interference. In Indonesia, LoRa is regulated to operate in the 920–923 MHz band, whereas many commercial devices are designed for 915 MHz, leading to suboptimal antenna performance. Therefore, this research aims to design and simulate an antenna that can operate effectively across 900–923 MHz, covering both the commonly used 915 MHz band and the regulated 920–923 MHz band in Indonesia. The proposed design is a 1×2 Antipodal Vivaldi Array antenna using an FR-4 substrate with a dielectric constant of 4.3 and thickness of 1.6 mm. The simulation process was conducted using CST Studio Suite 2019, focusing on the optimization of key geometric parameters such as feedline width, inter-element spacing, flare structure, and ground plane. The simulated results show that the antenna achieves a return loss of –19.11 dB at 923 MHz, a bandwidth of 344.4 MHz, and a gain ranging from 5.103 dBi at 900 MHz to 5.162 dBi at 923 MHz. The radiation pattern is directional, which supports long-range communication requirements. These findings demonstrate that the proposed antenna design meets the specifications for LoRa communication and provides a wideband, directional solution that can enhance the reliability of IoT systems.
ANALISIS REDAMAN KABEL PADA PERANGKAT ODC DAN ODP DALAM MODUL TRAINER JARINGAN FIBER TO THE HOME Armenda, Annisa; Septima, Uzma; Yolanda, Amelia; Adila Asril , Aprinal; Adrian, Fachri
Jurnal Informatika dan Teknik Elektro Terapan Vol. 13 No. 3S1 (2025)
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jitet.v13i3S1.8052

Abstract

Fiber to the Home (FTTH) is an optical fiber-based communication technology with high bandwidth capacity and low interference, making it the main choice for telecommunication network development. This study aims to analyze cable attenuation under various cable conditions in the FTTH trainer module. The research method involves designing an FTTH network using Optisystem and measuring cable attenuation under normal conditions, broken core, one splice, and two splices. The Optisystem simulation produced received power levels of -8.992 dBm (1310 nm) and -8.920 dBm (1550 nm), which correspond well with direct measurements on the trainer module. Measurements showed that normal cable attenuation was around 14 dB, cables with broken cores exceeded 50 dB, one splice added 0.2 dB, and two splices added 03–0.5 dB. The results indicate that splices in optical cables contribute to an increase in attenuation.
Multiple Input Multiple Output Slot Antenna Design  With -22 Db Isolation Without Decoupling Structure For Application On Ultra Wide Band Marselina, Nadilla; Septima, Uzma; Yolanda, Amelia; Yustini, Yustini
International Journal of Wireless And Multimedia Communications Vol. 1 No. 2 (2024): International Journal of Wireless And Multimedia Communications
Publisher : Politeknik Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62671/jowim.v1i2.53

Abstract

Technology that is always evolving requires us to always make the latest innovations, one of which is in the field of telecommunications. Currently, multiple input multiple output (MIMO) technology is widely used in ultra wideband (UWB) systems to overcome the effects of multipath fading. Multiple antennas are used to increase channel capacity. Two-element MIMO UWB systems have several techniques for obtaining good isolation between antenna elements. In this final project, the design and analysis of the change of a single UWB slot antenna into a 2-element MIMO UWB antenna is carried out by placing the antenna elements asymmetrically to get high antenna isolation. The proposed UWB MIMO antenna has a very compact size of 42×25 mm2. The fed slot microstrip antenna acts as a single UWB antenna element. Antenna design using CST Study Suite software. In the simulation results, a single UWB slot antenna that is modified into a UWB MIMO antenna has a return loss of -28 dB, a bandwidth of 7.2514 GHz, isolation below -20 dB, a VSWR of VSWR 2 in the frequency range of 3.7002 GHz to 9.6546 GHz, the gain reaches 3.2 dBi, and radiation pattern which is quasi omnidirectional.
Co-Authors Adila Asril , Aprinal Adrian, Fachri Alfarezi, Muhammad Amelia Yolanda - Aprinal Adila Asril Armenda, Annisa Aulia Ramadhani - Candra, Dikky Deddy Prayama Deni Satria Deri Latika Herda Dikky Chandra Guswita, Nadia Herda, Deri Latika Kasmar, Andre Febrian Lifwarda Lifwarda Lisyadi Oktapianus, Yoppi Marselina, Nadilla Naz Surya, Gardinia Nursal, Firdaus Popy Maria Putri, Dwi Kemala Rahmadi Kurnia Rikki Vitria Roni Putra Siska Aulia Syaza Ibra Harlin Ummul Khair Uzhelia, Viorryn Aisha Uzma Septima Valentino, Riski Yuhefizar Yuhefizar Yulindon Y Yustini Zurnawita Zurnawita