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All Journal Techno (Jurnal Fakultas Teknik, Universitas Muhammadiyah Purwokerto) Semesta Teknika Jurnal Ilmiah Dinamika Rekayasa (DINAREK) Indonesian Journal of Community Services Makara Journal of Technology Techno Jurnal Rekayasa elektrika Jurnal INFOTEL
Hesti Susilawati
Program Studi Teknik Elektro, Fakultas Sains Dan Teknik, Universitas Jenderal Soedirman, Purwokerto 53122
Humanities Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Electrical & Electronics Engineering Energy Engineering Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering Social Sciences

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Journal : Techno

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IMPLEMENTASI HTB (HIERARCHICAL TOKEN BUCKET) UNTUK MANAJEMEN BANDWIDTH PADA ROUTER INTERNET DI UNIVERSITAS JENDERAL SOEDIRMAN Dwi Ary Asmoro; Hesti Susilawati; Azis Wisnu Widhi Nugraha
Techno (Jurnal Fakultas Teknik, Universitas Muhammadiyah Purwokerto) Vol 12, No 2 (2011): Techno Volume 12 No 2 Oktober 2011
Publisher : Universitas Muhammadiyah Purwokerto

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (286.977 KB) | DOI: 10.30595/techno.v12i2.36

Abstract

HTB (Hierarchical Token Bucket) bandwidth management implementation on Jenderal Soedirman University is an improvement from PCQ (Per Connection Queue) bandwidth management. PCQ divide traffic automatically based on active users, it's weakness is in dividing a large amount of active users. The HTB impelentation refers to Mikrotik RouterOS queue tree, consists of class and parent that is filled by outgoing-interface. Each parent is adjusted based on IP adress block on each node, and determine packet-mark through IP-firewall-mangle. From the implementation result, 2 Global-total or main parent can be obtained, Unsoed down and Unsoed up. 29 Global-in or parent child down and 29 Global-out or parent child up which each parent max-limit is determined by 17,5 Mbps. The users satisfaction based independent sample t-test give the mean value of HTB browsing is 2,823 and PCQ browsing is 2,79. The mean value of HTB downloading is 2,616 and PCQ downloading is 2,636. Those values show that theres no significant differences in Unsoed internet users satisfaction. Keywords : Implementation of bandwidth, Mikrotik RouterOS, queue, parent.
RANCANG BANGUN DAN ANALISIS SECTORAL ANTENNA RADIASI SEMICIRCULAR FREKUENSI 2.4GHz UNTUK APLIKASI IEEE 802.11b/g Baharudin Yudha Permana; Hesti SusilawatI
Techno (Jurnal Fakultas Teknik, Universitas Muhammadiyah Purwokerto) Vol 13, No 1 (2012): Techno Volume 13 No 1 April 2012
Publisher : Universitas Muhammadiyah Purwokerto

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1324.552 KB) | DOI: 10.30595/techno.v13i1.41

Abstract

Sectoral antenna is a widely used antenna for wireless communications IEEE 802.11b/g or Wi-Fi due to its large gain and ability to determine covered area. In this research, a sectoral antenna 2.4GHz frequency with semicircular radiation for IEEE 802.11b/g applications was designed and built. Design and simulation is done by 4NEC2 software. In order to get a better performance, the design was firstly optimized. Antenna parameters studied in this research are Gain, Radiation Pattern H-plane and E-plane, Directivity, Efficiency, and VSWR. Result shown that the simulated performance of sectoral antennaafter optimizationare 13.27 dBi Gain, 120 ° H-plane beamwidth, 10 ° E-plane beamwidth, 15.36 dB Directivity, 95.95% Efficiency, and 1.37 VSWR. While real performance testing of sectoral antenna in the field are 13 dBi Gain, 125 ° H-plane beamwidth, 15 ° E-plane beamwidth, 13.42 dB Directivity, 90.68% Efficiency, and 1.6 VSWR. There are some differences in performance between simulation and application in practice. Among the causes are the accuracy of manufacturing, quality of materials used, environmental conditions of measurement process, measurement precision, and accuracy of the instrument used. Overall, a sectoral antenna has been created properly and can be used to accomodate 2.4 GHz frequency communication, namely IEEE 802.11b/g. Keywords: antenna, sectoral, semicircular, IEEE 802.11b/g.
Co-Authors Akhmad Khahlil Gibran Alfin Hikmaturokhman Azis Wisnu Widhi Nugraha Azis Wisnu Widhi Nugraha Baharudin Yudha Permana Dimass Noly Mardhiko Dimass Noly Mardhiko Dwi Ary Asmoro Dwi Ary Asmoro, Dwi Ary Farida Asriani FX Anjar Tri Laksono Gito Sugiyanto Hari Prasetijo Huzaely Latief Sunan Ilham Perdana Muhamad Ridwan Nur Chasanah Rahmat K. Noviandono Rahmat K. Noviandono, Rahmat K. Rani Aulia Imran Shinta Yunita Sari Suroso Suroso Tantiningrum Niken Taufik Faturohman Teguh Cahyono Tigar Putri Adhiana Widhiatmoko H.P. Widhiatmoko Herry Purnomo Widhiatmoko Widhiatmoko Widhiatmoko Widhiatmoko, Widhiatmoko