Journal of Informatics And Telecommunication Engineering
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Analysis of End-to-End Delay Video Conferencing Services on a Mobile Ad Hoc Network
Get PDFThe purpose of this study is to conduct a series of tests on each increase in the number of node-clients on the Mobile Ad hoc Network, while each node performs real-time video conferencing services from the internet cloud which can have a significant impact on the Quality of Service. The quality of service of the Mobile Ad hoc Network that supports video conferencing in real-time is evaluated based on End-to-End Delay. The model offered is in the form of the implementation of an ad hoc network on the zoom cloud meeting service. We assessed the transmission scenario of wireless video conferencing services while changing the number of user nodes. It carried the measurement out 5 times and calculated the average value obtained to be compared against the number of different nodes in this case the data obtained using Wireshark software. The results showed that the end-to-end delay value on the Mobile Ad hoc Network increased by 27% when the scalability of the Mobile Ad hoc network was increased from 2 nodes to 4 nodes. Our proposed model can be helpful in making decisions about aspects of the number of nodes in the Mobile Ad hoc network in real-time communicatio
Business Process Reengineering for Red Onion E-Commerce System
Get PDFAgriculture is a source of income for the country. One of the most promising agricultural commodities is shallots. Shallots are always found in every traditional market, traditional markets are one of the connecting places between buyers and sellers of shallots to carry out buying and selling activities of shallots. Onion buying and selling activities carried out in traditional markets are still conventional in this case, such as payment processing activities that still use cash, then in traditional markets the price of shallots is still not fixed, aka buyers can still haggle, so these two things are quite time-consuming and personnel in business process activities of shallot sales transactions. For this reason, here the author has the goal of doing business process reengineering to make the business process of buying and selling shallots in traditional markets more effective and efficient. By using the business process reengineering method, shallot transaction activities can be carried out using an e-commerce system, where the aim of this e-commerce system is to produce faster times for shallot transaction activities, process trimming, and reduce human resources in previous business process activities. as well as reducing costs. Thus, it is hoped that e-commerce can make the business process of buying and selling shallots between consumers and shallot traders more effective and efficient
Model for Estimating Waste Generation in Pekanbaru Using Backpropagation Algorithm
Get PDFWaste generation in Pekanbaru City cannot be managed optimally. Based on 2020 data, less than 50% of the waste that reaches the Final Disposal Site (TPA) reaches. To overcome this problem, this study aims to create an estimation model that can estimate the amount of waste generated each year. So that it can help the authorities to implement various policies to control waste generation. The estimation model is created using the backpropagation algorithm. The attributes used are those related to population and waste generation. Based on the results of experiments conducted using RapidMiner, the best network architecture model is the 6-6-1 model, namely six nodes in the input layer, six nodes in the hidden layer, and one node in the output layer. The six nodes in the input layer refer to the number of attributes used. The activation function used is binary sigmoid. The RMSE value generated from the best model is very low, namely 0.0181. So it can be concluded that this model can be used to estimate the generation of solid waste in Pekanbaru Cit
The Effect of Augmented Reality on Glasses Purchasing Decisions Using the Structural Equation Model Method
Get PDFDevelopment of information technology in the business sector can be seen with many business people marketing the sale of their services or products by utilizing social media platforms and also e-commerce because it can make it easier for buyers to get the desired information anywhere and anytime. The optimization of social media and e-commerce has been implemented by Fifan Glasses Store to sell their products. Generally, buyers will try on the frames one by one until they decide to buy them. But, online buyers cannot try on the frames and can only see the frames based on the pictures in the catalog provided by Fifan Glasses Store. For this reason, an Android-based Augmented Reality eyeglass frame application will be built at Fifan Glasses Store. The purpose of building this application is to facilitate online buyers in trying on the frames that have been provided and minimize the occurrence of damage to eyeglass frames by prospective buyers. This research uses the Rapid Application Development (RAD) method in building the application and this research will also analyze the effect of the application of Augmented Reality glasses frames using the Structural Equation Model (SEM) method. The final results of the analysis of the effect of Augmented Reality on eyeglass frames by testing the outermodel, inner model, and hypothesis show that Augmented Reality has a positive effect on purchasing decisions for glasses at Fifan Glasses Store
Design and Build 4G Open Radio Access Network at SmartLab Politeknik Negeri Jakarta
Get PDFThe transition of RAN (Radio Access Network) development from the conventional model to Open RAN is motivated by the fact that Open RAN presents new services by reducing CAPEX (Capital Expenditure) and has the ability to integrate all cellular technologies in one server. One of cellular technology that can be developed using Open RAN is 4G LTE networks. The 4G LTE network produces internet with high data rate and low latency system. Various use case implementations can be carried out, for example to support learning on campus. In this study, the development of Open RAN 4G is implemented as a use case to build the Jakarta State Polytechnic SmartLab which produces its own cellular network. The importance of this research is to be able to ascertain the performance of the Open RAN 4G network using a Centralized RAN scenario. The method used in this research consists of knowing the problem, determining the tools used, determining the implementation scenario, configuring, and testing network performance. Parameters measured to test network performance are uplink downlink speed, RSRP value, and SINR value. Based on the scenarios that have been executed, the results show that the Open RAN 4G network has a maximum downlink speed performance of 13.6 Mbps, a maximum uplink speed of 7.22 Mbps, a maximum SINR of 22 dB, an RSRP of -200 dBm, and a maximum range that can be reached is 5 meters
Bandwidth Enhancement of 2x1 Microstrip Array Antena Using Slit Technique for Wireless Communication System
Get PDFThis study proposes a microstrip array antenna with frequency at of 2.3 GHz – 2.5 GHz for various applications, with smaller antena dimensions. The microstrip antenna designed in this study uses a rectangular patch consisting of two patch elements arranged in a linear array. The type of substrate used is FR-4 with a dielectric constant (εr) = 4.3 and a substrate thickness (h) = 1.6 mm. The feeding technique used is indirect feeding using a microstrip line feed. To increase the bandwidth, the antennas are arranged in an array with 50 ohm and 100 ohm microstrip lines. The simulated antenna parameters are return loss value -10 dB, VSWR 2, and gain value. The simulation results of the two-element array design with a substrate size of 123 mm x 65 mm obtained a return loss value of -27.99 dB at a frequency of 2300 MHz, -15.16 dB at a frequency of 2400 MHz, and -29.29 dB. The bandwidth generated in this study is 460 MHz or an increase of up to 283.3% when compared to a 2x1 antenna array without slit. Furthermore, the addition of slits succeeded in reducing the dimensions of 34.43% compared to 2x1 antenna arrays without slits. This antenna is very useful as a wireless communication receiving antena
Measuring Information System-Based Village Administration Service Performance Using Boundary Value Analysis Techniques
Get PDFApplication development often does not have a significant impact on users, especially various application functions that make it difficult for users to take advantage of the system optimally. System testing plays an important role in an application development. Tests are carried out to ensure that all programs run properly before an application is released. This study discusses the measurement of performance on the administration service website application with the Black Box Testing method. Functional testing is carried out using the Boundary Value Analysis technique. Boundary Value Analysis technique is one of the techniques of Black Box testing that identifies errors from the outside or inside of a system. With this technique, the success of an input data value is tested based on the upper and lower limit values. The result of the measurement of the administrative service application is the optimal system functionality and in accordance with the user's business process needs. The percentage of success rate for fields on the Register Account menu is 91.67% and Login is 75%. Meanwhile, on the Daftar Surat Izin Keramaian menu, it has a success rate of 80%
5G NR Network Planning Analysis using 700 Mhz and 2.3 Ghz Frequency in The Jababeka Industrial Area
Get PDFThis research designed a 5G NR network using 700 MHz and 2.3 GHz frequencies with 30 MHz bandwidth in the Jababeka industrial area covering an area of 5600 hectares. The Propagation Model used by Urban Macrocell (UMa) in non line of sight (NLOS) conditions according to 3GPP TR 38901 standard with Synchronization signal-reference signal received power (SS-RSRP) and Synchronization Signal to Interference and Noise Ratio (SS-SINR) parameters. Coverage prediction simulation using Atoll 3.4 consists of 4 scenarios. Scenario 1 uses a frequency of 2.3 GHz downlink, scenario 2 uses a frequency of 2.3 GHz uplink, scenario 3 uses a frequency of 700 MHz downlink and scenario 4 uses a frequency of 700 MHz uplink. Parameters analyzed were signal strength (SS-RSRP > -110 dBm) and signal quality (SS-SINR > 5 dB). The simulation results of scenario 1 get a signal strength of 61% and signal quality of 73.71% from the Jababeka area. Scenario 2 gets 100% for signal strength and 75.35% for signal quality. Scenario 3 gets a signal strength of 72.27% and signal quality of 85.30%. Scenario 4 shows a signal strength of 100% and signal quality of 71.04% from the Jababeka area. Planning with a frequency of 700 MHz shows that the signal strength and signal strength parameters are better than the 2.3 GHz frequency, making it suitable for 5G networks in the Jababeka area. The findings of this study are intended to help Indonesian cellular operators plan and deploy their 5G network
Optimization of Support Vector Machine and XGBoost Methods Using Feature Selection to Improve Classification Performance
Get PDFBreast cancer still ranks first in the number of cancers in Indonesia and is one of the contributors to the death rate caused by cancer. Generally occurs in women, but does not rule out it can occur in men. Globocan data in 2020 shows the number of new cancer cases in Indonesia reached 65,858 or 16.6% of the total 396,914 new cancer cases, with the number of deaths reaching 22,430 cases. Early detection can allow patients to get the right therapy and increase their chances of survival. The purpose of this study is to implement a machine learning algorithm to detect breast cancer in women, the algorithms that will be used are Support Vector Machine (SVM) and XBGoost by implementing feature selection to obtain better accuracy. The classification results of the two algorithms will be compared to find out which algorithm has the best performance. The dataset used is from the SEER NCI program in November 2017 involving 4024 patients. The research shows that of the 16 attributes contained in the dataset, there are 3 attributes (features) that have a significant effect on the classification results, namely 6th stage, reginol node positive, and tumor size. XGBoost with feature selection has a better performance of 91.4% compared to SVM which is only 89.8%
Comparative Analysis of State Universities on Website Performance in Aceh Using the PIECES Method
Get PDFTechnological developments have had a rapid impact on the CIVITAS Academic environment, especially in Aceh. The website has become a major requirement for state universities (PTN) as a fast, actual and reliable information distribution medium in supporting lecture activities in the Digital Era 4.0. The purpose of this study was to obtain results from the PIECES method test on the website in terms of its effectiveness as an information distribution medium. Therefore, the presence of website performance analysis research using the PIECES method is very important in measuring website effectiveness. PIECES uses the variables Performance, Information, Economics, Control, Efficiency, and Service. The importance of this research is to provide information in analyzing the use of websites at universities (PTN) in Aceh, as well as analyzing the strengths and weaknesses of each website. The research step begins with the distribution of questionnaires on the variables Information, Economics, Efficiency, and Service responded to by respondents online. Then perform a website performance analysis using Google Page Speed Insight (GPSI) and GTMetrix online tools. In variable control, use Qualys SSL Lab and SECURi. The results showed USK Information with a value of 4.26, Economic 4.13, Efficiency 4.4, and Service 4.36. UINAR obtained 4.26 in the subject Information, Economic 4.13, Efficiency 4.3, and Service 4.36. UNIMAL obtained Information 4.26, Economic 4.23, Efficiency 4.3, and Service 4.15. UNSAM with the Information subject obtained 4.1, Economic 4.13, Efficiency 4.19 and Service 4.15 and UTU Information subject 4.24, Economic subject 4, Efficiency 4.19 and Service with a value of 4.21. The GPSI and GTMetrix tests showed significant results with the highest score of 97 UNSAM on GPSI. Results from Qualys SSL Lab and SCURi, all websites are safe to access