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All Journal International Journal of Informatics and Communication Technology (IJ-ICT) Jurnal Edukasi Elektro Elektron Jurnal Ilmiah Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan JOIV : International Journal on Informatics Visualization Brilliance: Research of Artificial Intelligence Electron: Jurnal Ilmiah Teknik Elektro International Journal of Advanced Science Computing and Engineering International Journal of Wireless And Multimedia Communications

Sri Yusnita

Politeknik Negeri Padang

Author-ID : 2784532

Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences Education Electrical & Electronics Engineering Energy Engineering Industrial & Manufacturing Engineering Mathematics Other

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Effects of Biofertilizer Formulation Dose onPhytoplankton Abundancein Peat Soil Medias of Channa Fish (Channa sp.) Culture Yusnita, Sri; Syafriadiman, Syafriadiman; Hasibuan, Saberina
Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan Vol 6 (2019): Edisi 1 Januari s/d Juni 2019
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan

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

ABSTRACT The research was conducted in January to March, 2017 the located in Kualu Nenas village, Tambang Subdistrict, Kampar District, Riau Province. Phytoplankton analyzed was conducted in Environmental Quality Laboratory of Cultivation, Faculty of Fisheries and Marine University of Riau. Method this research using a Complete Randomized Design (CRD) was one factor with 5 levels of treatments. The kinds of treatments P0 (Without gived Biofertilizer formulation (control), P1(Givedthe 300 g/m2Biofertilizer formulation), P2: (Givedthe 450 g/m2Biofertilizer formulation), P3: (Givedthe 600 g/m2Biofertilizer formulation), P4: (Givedthe 750 g/m2Biofertilizer formulation). The Biofertilizer formulation effect toabundance of phytoplankton,and the best treatment to increasing the phytoplankton abundance was dose of 750 g/m2 (P4). The abundance of phytoplankton was highly of P4 (750 g/m2) were 41,053 cells.L-1. The result of water quality parameters analyzed that the were goodly, especially of temperature 26-30oC, pH 6-8, DO 5,36 mg/L, CO2 21,00 mg/L, Nitrate 2,94 mg/L, Orthoposphate 3,28 mg/L, namely the growth of absolute weight of 8,49 g, specific growth rate of 5,58% and survival of 75% refering for theQuality Standart of Aquaculture. Keywords: Bioferlizer, Phytoplankton, Peat soil, Channa fish (Channa sp.)

The Optimization of PCI Interference in the 4G LTE Network in Padang Dikky Chandra; - Zurnawita; Sri Yusnita; Dwiny Meidelfi; Andre Febrian Kasmar
JOIV : International Journal on Informatics Visualization Vol 5, No 3 (2021)
Publisher : Politeknik Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30630/joiv.5.3.490

With the growth of the customers and the expansion of the 4G LTE network in the area of Padang City, a PCI (Physical cell identity) modulo interference spot has been detected. PCI modulo interference occurs when an area is covered by two or more cells, which have a strong signal, and these cells have the same PCI modulo value. Based on the measurement results by the driving test method, the network conditions were not optimal because the SINR percentage (Signal to Interference Noise Ratio) in the good category was still low, at 9.47%, and the download throughput in the good category was 18.94%. This indicated that the interference in the area was quite high. Thus, it was necessary to do optimization action. The optimization action was taken by rotating the PCI on the site by considering the modulo value of each site so that the PCI with the same modulo did not merely lead to one location. Besides, action was taken to change the azimuth direction of cells that were too dominant. Based on the optimization process that has been carried out and the driving test activities that have been carried out again, the performance in the existing conditions has increased. The SINR percentage in the good category increased by 10%, so it became 19.47%, and the download throughput in the good category increased by 44.74% and became 63.68%.

Peningkatan Kualitas Sinyal 4G Berdasarkan Nilai KPI Dengan Metode Drivetest Cluster Padang Sri Yusnita; Yoga Saputra; Dikky Chandra; Popy Maria
Elektron : Jurnal Ilmiah Volume 11 Nomor 2 Tahun 2019
Publisher : Teknik Elektro Politeknik Negeri Padang

The real signal quality measurement on the 4G network is a reference to improve signal quality. Measurements were made for two different operators on the Padang cluster. The measurement parameters taken are the RSRP value, SINR and throughput as the basic parameters of the KPI (Key Performance Indicator) standard. Measurement of these basic parameters is done by the drive test method using the Tems Pocket device while for data analysis using Tems discovery and Mapinfo Pro. Planning the data collection path is an important part to find out the bad spot areas of the two operators for planning signal quality improvement. The measurement results in the process of collecting data for bad categories and not being detected at all are used to determine the position of the new site by taking into account the three signal parameters, the number of users in the area, the minimum limit of the bad signal radius and the site positions that already exist for both operators. Using the cross method, three new site coordinate points are obtained, namely first at longitude 100.403428 ° and latitude -0.870309 °, second point at longitude 100.376331 ° and latitude -0.858726 °, and third point at longitude 100.404072 ° and latitude -0.966503 ° and 47 bad spot area.

Peningkatan Performansi Jaringan 4G LTE Berdasarkan Pengecekan Sinyal Di Kecamatan Bukit Sundi Kabupaten Solok Ocha Yufiansa; Popy Maria; Sri Yusnita
Elektron : Jurnal Ilmiah Volume 11 Nomor 2 Tahun 2019
Publisher : Teknik Elektro Politeknik Negeri Padang

Teknologi LTE merupakan teknologi generasi keempat yang diciptakan untuk memperbaiki teknologi generasi sebelumnya dalam hal layanan kecepatan transfer data. Kualitas layanan data akan semakin menurun seiring meningkatnya jumlah pengguna yang mengakses. Salah satu cara untuk menjaga kualitas layanan operator adalah menambah jumlah site. Kecamatan Bukit Sundi merupakan salah satu kecamatan di Kabupaten Solok, Sumatera Barat yang memiliki jumlah menara telekomunikasi yaitu dua menara. Kondisi ini menyebabkan tidak semua area mendapatkan layanan telekomunikasi. Untuk mengetahui kondisi kekuatan sinyal di lapangan dapat dilakukan dengan drive test. Berdasarkan hasil drive test Kecamatan Bukit Sundi didominasi oleh RSRP kategori poor (RSRP -110 dBm sampai -100 dBm). Penambahan eNodeB baru dilakukan berdasarkan bad spot area. Setelah peninjauan lokasi eNodeB baru, didapatkan titik longitude dan latitudenya. Untuk mendapatkan azimuth dilakukan simulasi sektor. Setelah diamati pada software atoll, setelah penambahan eNodeB baru terjadi peningkatan RSRP bagus (-95 dBm sampai 0) dari 14,5% menjadi 26,79%.

Improving 4G LTE network quality using the automatic cell planning Yuhanef, Afrizal; Yusnita, Sri; Khairani, Redha Anadia
International Journal of Informatics and Communication Technology (IJ-ICT) Vol 13, No 2: August 2024
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11591/ijict.v13i2.pp231-238

The growing demand for network services leads to an increase in traffic load on eNodeB, resulting in decreased network quality and performance, necessitating optimization. This research analyses the results of optimising 4G reference signal received power (RSRP), signal to interference noise ratio (SINR) and throughput parameters using the automatic cell planning (ACP) method. ACP has been shown to significantly improve the performance and quality of 4G LTE networks compared to traditional cell planning methods. Based on the standard parameter RSRP, increased after ACP optimisation which is dominant in the range ≥ -100 s.d ˃ -85 dBm and obtained an average value of -98.59 dBm with good category. The average SINR has increased by 18.23 dB with a good category. The dominant throughput is in the 14,000 Kbps range with an average value of 50,241.08 Kbps with the excellent category. The ACP method can enhance the performance of 4G LTE networks, potentially addressing operator issues of unstable network quality due to poor coverage. The ACP method significantly enhances 4G LTE network performance, coverage, and user experience, potentially addressing unstable network quality due to poor coverage. This research is crucial for both users and the telecoms industry.

Analisis Implementasi IEEE 802.11ac pada Jaringan Wireless Backhaul Distribusi Provider Zettalink Huriyati Anisa, Lila; Maria, Popy; Yusnita, Sri; Lisyadi Oktapianus, Yoppi
ELECTRON Jurnal Ilmiah Teknik Elektro Vol 5 No 2: Jurnal Electron, November 2024
Publisher : Jurusan Teknik Elektro Fakultas Teknik Universitas Bangka Belitung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33019/electron.v5i2.228

This study aims to design, calculate the Power Link Budget, and analyze the implementation of a Broadband Wireless Backhaul network based on 802.11ac. The increasing demand for fast and stable internet access drives telecommunications service providers to continually improve their infrastructure. The Broadband Wireless Backhaul technology based on the IEEE 802.11ac standard offers a solution with high capacity, low interference, and wide coverage, making it ideal for rural areas such as Lembah Gumanti District, which faces challenges in developing telecommunications infrastructure. This study aims to design, calculate the Power Link Budget, and analyze the implementation of a Broadband Wireless Backhaul network based on 802.11ac on the Zettalink provider network in Lembah Gumanti District. The research methods include network design using UISP Design software, installation and configuration of devices, and data measurement and analysis. The network design uses Rocket Prism 5AC Gen2 radios, with Power Link Budget calculations showing a Free Space Loss (FSL) of 121.68 dB and a Received Signal Level (RSL) of -49.68 dBm. These results are consistent with measurements using UISP Design software. Comparative analysis shows significant conformity between the calculated and measured results, with an RSL measurement of -49 dBm and throughput capacity ranging from a minimum of 480 Mbps to a maximum of 655.20 Mbps. The study's results indicate that the designed network can meet the local community's internet access needs by improving connection quality and stability

The Effect of Overshoot on the Performance of the 4G LTE Network in the East Sawahan Region Yuhanef, Afrizal; Yusnita, Sri; Gusvita, Dina
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.v4i1.3318

Network interference such as overshoot can affect differences in signal quality and strength on cellular networks. Overshoot is a situation where the network power coverage exceeds the initial planning limit, causing users to be served by cells that are further away than the closest cells. This research aims to deal with problems that arise due to overshoot in the East Sawahan area. The research was conducted using the drivetest method in East Sawahan, Padang. The software used is TEMS Pocket for collecting measurement data and TEMS Discovery software for processing drivetest result data. Network performance is seen from the RSRP, SINR and PCI parameters. In this problem, network performance was improved using Atoll software. With the antenna tilting method which was previously 0? increased to 6?, the improvement results show that after making changes to network performance the signal quality meets the results of the KPI standards.

LTE Network Area Coverage on FDD and TDD Technology Chandra, Dikky; Yusnita, Sri; Sitepu, Dana Bahari; Mursydan, Arif; Meidelfi, Dwiny
International Journal of Advanced Science Computing and Engineering Vol. 2 No. 1 (2020)
Publisher : SOTVI

FDD (Frequency Division Duplexing) and TDD (Time Division Duplexing) Technology I is a duplex technology on the 4G LTE network. FDD technology in Indonesia is deployed in the 900 MHz, 1800 MHz and 2100 MHz frequency bands. Meanwhile, TDD technology uses frequency of 2300 MHz. In order to see the performance from the side of coverage, a measurement of the signal strength is conducted by direct measurements in field so that the appropriate technology and frequency band can be determined for the measurement area. The measurements have been done by two samples of different frequencies, namely 1800 MHz for FDD and 2300 MHz for TDD. Measurement of coverage is conducted on the same existing BTS and different BTS for both FDD and TDD modes. The parameter used in this measurement is the RSRQ value as one of the basic parameters of KPI (Key Performance Indicator). The results of drivetest data obtained the farthest coverage area of 789 m, namely the FDD (Frequency Division Duplexing) technology with frequency of 1800 MHz and TDD with frequency of 2300 MHz for 633 m.

The Analysis of Service Integrity on Video Streaming Services Using Time Division Duplex and Frequency Division Duplex Technology on LTE Networks Chandra, Dikky; Yusnita, Sri; Sitepu, Dana Bahari; Rusfandi, -; Meidelfi, Dwiny
International Journal of Advanced Science Computing and Engineering Vol. 3 No. 2 (2021)
Publisher : SOTVI

The growing use of cellular technology has a rapid impact on the development of technology and information. This development relates to the use of information and communication services that is tailored directly, practically and effectively manner. Responding to the issue, the researcher is interested in conducting research by looking at the parameters using Time Division Duplex (TDD) technology and Frequency Division Duplex (FDD) technology on video streaming services. Service integrity measurement results on LTE networks are carried out in real time in the field according to the research path and eNodeB installed in dedicated mode. Dealing with the results, the effect of DT parameters on service integrity can only be seen in the SINR and CQI parameters. When SINR measured 21.3 dB and CQI measured 13.5, the measured throughput was 3665.2 Kbps so that the measured modulation was 64 QAM, on the other hand, if SINR measured -0.2 dB and CQI measured 10, the measured throughput was 0.5 Kbps so that the modulation measured was small, namely QPSK. From the results obtained, LTE TDD has a better service integrity value, namely throughput has a value of 891.16 Kbps and a latency of 48 ms for Telkomsel while 882.14 Kbps and latency was 49 ms for Smartfren than LTE FDD which had a throughput value of 820.83 Kbps and a latency was 68 ms for Telkomsel while 831.21 Kbps and 77 ms latency were for Smartfren, thus LTE TDD is better in terms of throughput and measured latency.

Analysis on The Effect of Channel Bandwidth Occupying in LTE Frequency Band on Throughput Yusnita, Sri; -, Yustini; Markis, Lince; Tristianti, Widia; Wijaya, Taruma Leo
International Journal of Advanced Science Computing and Engineering Vol. 5 No. 1 (2023)
Publisher : SOTVI

The maximum channel capacity of a 4G LTE network will be directly correlated to the channel bandwidth that occupies a certain radio frequency on that network. The number of Resource Blocks (RB), subcarriers, and Resource Elements (RE) as channel resources available to serve users concurrently will depend on the bandwidth channel sizes. Mobile service providers in Indonesia provide scalable channel bandwidth LTE 4G networks on a variety of frequency bands, including adjacent and non-adjacent bands. In this study, it was examined how to channel bandwidth, which changes at 10MHz, 15MHz, and 20MHz, affects throughput to give user equipment the best possible performance (UE). This study makes use of actual measurement data from installed and active eNodeB or cells obtained via the drive test approach. According to the test, each channel's maximum throughput varies, however, there is no linear relationship found between channel bandwidth expansion and throughput. The 20MHz channel bandwidth, which is located in the 2300MHz frequency band, has a maximum throughput value of 64666.80 kbps.

Co-Authors - Zurnawita -, Yustini Adlil Karim, Dery Afrizal Yuhanef Andre Febrian Kasmar Andriani, Widya Dikky Chandra Dwiny Meidelfi Fillah, Khalidia Igna Gusvita, Dina Huriyati Anisa, Lila Khairani, Redha Anadia Lince Markis Lisyadi Oktapianus, Yoppi Mursydan, Arif Ocha Yufiansa Popy Maria Rusfandi, - Saberina Hasibuan Sitepu, Dana Bahari SY, Yulia Jihan Syafriadiman, Syafriadiman Taruma Leo Wijaya Tristianti, Widia Wafi, Rifki Yoga Saputra Yuhanef, Afrizal - Zurnawita

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