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Helmy, S.T., M.Eng
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Program Studi Teknik Telekomunikasi Jurusan Teknik Elektro Politeknik Negeri Semarang Jl. Prof. H. Soedarto, S.H. Semarang
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Journal of Applied Information, Communication and Technology (JAICT)
ISSN : 25416340     EISSN : 25416359     DOI :
Core Subject : Engineering,
Focus of JAICT: Journal of Applied Information and Communication Technologies is published twice per year and is committed to publishing high-quality articles that advance the practical applications of communication and information technologies. JAICT scope covers all aspects of theory, application and design of communication and information technologies, including (but not limited): Communication and Information Theory. Mobile and Wireless Communication, Cognitive Radio Networks. Ad Hoc, Mesh, Wireless Sensor Network, Distributed System and cloud computing Computer networking and IoT Optimization Algorithms, Artificial intelligence, Machine Learning, and Adaptive System.
Articles 5 Documents
Search results for , issue "Vol 2, No 2 (2017)" : 5 Documents clear
Height Measurement System Based on Edge Detection Technique and Analysis of Digital Image Processing Ida udlhiya
JAICT Vol 2, No 2 (2017)
Publisher : Politeknik Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (428.332 KB) | DOI: 10.32497/jaict.v2i2.1292


Height measurement is important in the field of health, athletics, and others. During this process the measurement height is done manually by using the tools in the form of tape measure or ruler. This takes quite a long time. With the weaknesses of such height measurements, then on this research designed a height measurement system based on Digital Image Processing Techniques. The parameters used for this research is the distance of the camera, the height of the camera, the camera angle, the color of the shirt, and the position of the object. Testing is done by performing processing and digital image analysis. By using these techniques, it only takes 35 seconds to process measurement and results. In addition to the test results can be stored in the system database, making it easier for data archiving. Of the overall testing with parameters of the camera distance, the height of the camera, the camera angle, the color of the shirt, and the position of the object, resulting in a measurement of the height of a more objective and accurate with the level of accuracy of 99.5%.
System Design Of Course Scheduling Of Telecommunication Engineering Majors At State Polytechnic Of Semarang Amin Syarifuddin
JAICT Vol 2, No 2 (2017)
Publisher : Politeknik Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (838.362 KB) | DOI: 10.32497/jaict.v2i2.1347


Telecommunication Engineering is one of Study Program (Prodi) at State Polytechnic of Semarang (Polines). The development of information technology (IT) can provide ease to meet various information needs. Course schedule used as a reference for teaching and learning activities to fit the target. In Prodi Telecommunication Engineering Polines to create a schedule still using Microsoft Excel applications as well as in publications on lecturers and students are still using physical mading. With that background then the authors make the information system scheduling courses. This information system is created using the PHP programming language utilizing the Laravel framework and MySQL database. After the system is completed the test is done by using the black box method to prove all the features work well in accordance with their respective functions. Design model using modeling Use Case Diagram and Entity Relationship Diagram (ERD) can be done to design Scheduling System Subject Telecommunication Engineering Program Polines. This application is made in the form of websites and integrated with the database, so it can be accessed by the user in realtime on the Intranet network. Schedule preparation courses can be done Kaprodi using web-based information system. The results of this information system can be used to create course schedules and can be accessed so that lecturers and students can view the course schedule
Development Of Automatic Traffic Light Based On Wireless Sensor Networks With Star Topologies Nadia Khotimatul Husna
JAICT Vol 2, No 2 (2017)
Publisher : Politeknik Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (600.561 KB) | DOI: 10.32497/jaict.v2i2.1293


Traffic jam at the intersection is caused by many things such as the number of vehicles that exceed the capacity of the highway, road users who do not obey the rules, or lights on a traffic light that is not in accordance with the road conditions. The government has implemented measures to control congestion solutif at a crossroads in Indonesia, especially in big cities by installing the ATCS (Automatic Traffic Control System) that regulate light traffic lights based on real time conditions crossroads. The weakness of this system still needed the operator to settings the traffic light lamp replacement and maintenance costs are expensive. Therefore, we need a system that can regulate light traffic lights adaptively based on the length of the queue of vehicles. In this project, created a system that is able to set the lights on the traffic light by the long queues of vehicles adaptively based wireless sensor networks. Data from XBee sent with a frequency of 2, 4 Ghz towards the coordinator node, the coordinator node data is then processed by a microcontroller arduino mega to compare the length of the queue between the road and determine the traffic light lights adaptively. The test results show a sensor capable of detecting the vehicle up to a distance of 175 cm, the system can detect the length of the queue as far as 56 meters, and can be changed adaptively in a ccordance long queues of vehicle.
Prototype Traffic Light Design Based Wireless Sensor Network With Multihop Topology arafa laili utami
JAICT Vol 2, No 2 (2017)
Publisher : Politeknik Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (877.52 KB) | DOI: 10.32497/jaict.v2i2.1291


Increasing number of vehicles there are not combining by the increase highway facilities and means of adequate traffic, creating traffic jams can not be avoided. Therefore, it needs a traffic light system which can change the duration adaptive, so delays in traffic flow can be parsed automatically. In this thesis constructed an traffic light prototype that can change the duration of the traffic lights adaptively according to the conditions of real-time flow of the street using a detector such as a HMC5883L compass sensor. With a wireless sensor network and multihop topologies in terms of the system is easy to apply, because it does not require the transmission line in the form of cables and sensors can be added the number and spacing range. The main components used are Arduino Uno, Arduino Mega, XBee and HMC5883L compass sensors. Compass sensor detects the presence of vehicles by calculating magnitude value in the form of interference with Earth's magnetic field caused by cars metal, so  the sensor nodes can send information pathways state conditions in the one intersection to the coordinator via another sensor nodes using xbee in multihop topologies. The results obtained after testing is setting plan to address the inequality of delay on the traffic system can work well with the sensor reading error  0.09% within a period of 2 minutes and the application topology multihop use the traffic light system can expand the detection range 400 m. But the number of hops is used affects the packet loss is greater, namely 0.192% at a distance of 200 m.
Handover Analysis Of Data Services In Wireless Distribution System (Wds) Using IEEE 802.11ac Standards In Telecommunication Laboratory Polines Arya Pitaka
JAICT Vol 2, No 2 (2017)
Publisher : Politeknik Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1155.04 KB) | DOI: 10.32497/jaict.v2i2.1344


Problems with limited WLAN coverage areas often become a constraint when users access the Internet by migrating. This final project contains an analysis of the effect of handover on the quality of data service with Quality of Service (QoS) parameter that is throughput, delay, jitter and packet loss. The Wireless Local Area Network (WLAN) 802.11ac networking system in the Telecommunication Laboratory of Semarang State Polytechnic area that supports the handover feature is built with the Wireless Distribution System (WDS) technique that is configured with Service Set Identifier (SSID), the same password and channel and the placement of Access Point (AP) with overlapping coverage areas in one roaming domain. The tool used is Wireshark obtained the results of the test that is the average throughput value on the download service of 12,94 Mbps, the upload service of 11,22 Mbps and video streaming service of 3,66 Mbps. The average value of delay in the download service is 0,99 ms, the upload service is 1,19 ms and the video streaming service is 3,07 ms. The average value of jitter on the download service is 0,36 ms, on the upload service of 0,35 ms and the video streaming service is 3,66 ms. The average value of packet loss on the download service is 2,57 %, the upload service is 5,08 % and the video streaming service is 7,03%

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