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All Journal TEKNIK Transmisi: Jurnal Ilmiah Teknik Elektro TRANSIENT: Jurnal Ilmiah Teknik Elektro Prosiding SeNTIK STI&K
Sukiswo Sukiswo
Jurusan Teknik Elektro, Universitas Diponegoro Semarang Jl. Prof. Sudharto, SH, Kampus UNDIP Tembalang , Semarang 50275, Indonesia
Computer Science & IT Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Electrical & Electronics Engineering Engineering Languange, Linguistic, Communication & Media

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Journal : TEKNIK

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OPTIMASI POSISI PILOT MENGGUNAKAN ALGORITMA GENETIKA UNTUK MENINGKATKAN KINERJA Wi-Fi 802.11n Syafei, Wahyul Amien; Nasution, Yunda Kumala; Sukiswo, Sukiswo
TEKNIK Volume 34, Nomor 3, Tahun 2013
Publisher : Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (300.849 KB) | DOI: 10.14710/teknik.v34i3.6984

Abstract

Wi-Fi is wireless communication technology that  used widely not only for accessing the internet but also communicating data, image, voice and video. The newest wi-fi technology is 802.11n as an extention of 802.11a/b/g. By  combining OFDM and MIMO techniques it can provide throughput up to 600Mbps. One of important factors to achieve such high throughput is the pilot position in training sequence. Wi-fi802.11n allocates it’s pilots orthogonally. This research optimizes the pilot location using Genetic Algorithm Differential Evolution. Optimum pilot position improves the accuracy of synchronization which leads to enhance the performance. The invented optimum pilot position set then be implemented into wi-fi 802.11n simulator to be analyzed the performance enhancement which represented in grafic BER vs SNR curve.Run test under channel model B and D proof that the invented optimum pilot position gives performance enhancement of 0,5 dB and maintain it’s stability compared towi-fi 802.11n system with  set ortogonal pilot position.
Analisis Quality of Service Jaringan Long Term Evolution pada Mode Frequency Division Duplexing di Kota Semarang Rahmatika, Annisa Rossy; Sukiswo, Sukiswo; Widianto, Eko Didik
TEKNIK Vol 41, No. 1 (2020): May 2020
Publisher : Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (291.234 KB) | DOI: 10.14710/teknik.v41i1.25850

Abstract

Penelitian ini bertujuan untuk menganalisis Quality of Service (QoS) jaringan telekomunikasi Long Term Evolution (LTE) Frequency Division Duplexing (FDD) di daerah kota dan sub-urban di Kota Semarang. Penelitian melakukan pengamatan terhadap kualitas jaringan telekomunikasi LTE FDD dari segi responsivitas jaringan atau ping, packet loss, delay dan throughput pada layanan upload dan download dari sisi pengalaman pengguna berdasarkan variasi jarak dari eNodeB. Pengamatan kualitas dilakukan terhadap QoS jaringan telekomunikasi LTE FDD menggunakan aplikasi  Axence NetTools dan Oakla Speed Test pada jam sibuk di masing-masing eNodeB. Hasil penelitian disajikan berdasarkan variasi jarak dan menunjukkan kualitas packet loss dan delay tergolong sangat baik berdasarkan ITU-T G.114, yaitu berturut-turut di bawah 3% dan 150 milidetik. Pengujian ping tergolong baik berdasarkan ketentuan control plane LTE, yaitu 50 milidetik di tiap titik. Throughput layanan adalah antara 16,98-19,01 Mbps untuk upload dan 17,34 – 23.29 Mbps untuk download.
Co-Authors Adhe Setya Nugraha Adhieka Danniswara Aditya Aditya Ajub Ajulian Z Ajub Ajulian Zahra Macrina Ananda, Fitri Andri Wardita Arif Nur Hidayat, Arif Nur Berlian, Bonaventura Bramono Hanindito Denny Pahlevie Eko Didik Widianto Enda Wista Sinuraya Fajar Ramadhan, Fajar Fakkar Robbi Radhian Fiska Jelita Puspitasari Fitra Pandu Adityas Fountain, Michael Jeremy Grace Karlina Permatasari Gustin Anggraeni Hafidz Erwin Kurniawan Hanitya Triantono Widya Putra Haqqi, Ma’ruf Nashrul Hauril Maulida Nisfari Hemawati, Isti Dwi Hidayat, Ditya Pramesti Imam Santoso Indra P. S. Damanik, Indra P. S. Khoiruman, Danur Ilham Kurnia Agnawatri, Kurnia M. Fajri Fitrianto M. Lukmanul Hakim Melia Dewi Murni Mellia Aisyah Aristyorini, Mellia Aisyah Muhamad Ridwan Fauzi, Muhamad Ridwan Muhamad Rifqi Rifquddin, Muhamad Rifqi Muhammad Arif Bayu, Muhammad Arif Munawar Agus Riyadi Naufal Qodari Nico Kurniawan Nirmakumala, Sekar Nur Cahyo Panjaitan, Menpo Vascodegama Perdana, Adeev Nidya Pratama, Satya Yoga Purwanto, Joko Eko Putrantyono Putrantyono Rahmatika, Annisa Rossy Randi Dwi Wibisono Risma Septiana Riyanto, Toto Rizkiana, Alifia Rosalinda Tri Wahyuni Santoso, Imam Sekarwangi, Annisa Prita Surya Purba Wijaya Teguh Prakoso Valen Awirya Wahyul Amien Syafei Widyasari, Triya Eva Yuli Christyono Yunda Kumala Nasution Yuni Intanmia Suryanto, Yuni Intanmia