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All Journal Seminar Nasional Aplikasi Teknologi Informasi (SNATI) TEKNIK Transmisi: Jurnal Ilmiah Teknik Elektro JURNAL SISTEM KOMPUTER JURNAL SISTEM INFORMASI BISNIS TRANSIENT: Jurnal Ilmiah Teknik Elektro Jurnal Sistem Komputer TELKA - Telekomunikasi, Elektronika, Komputasi dan Kontrol Neo Teknika: Jurnal Ilmiah Teknologi
Yuli Christyono
Departemen Teknik Elektro, Universitas Diponegoro Semarang Jl. Prof. Sudharto, SH, Kampus UNDIP Tembalang, Semarang 50275, Indonesia
Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Economics, Econometrics & Finance Education Electrical & Electronics Engineering Engineering Industrial & Manufacturing Engineering

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Journal : TEKNIK

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SIMULASI TEKNIK POWER CONTROL DAN MULTI USER DETECTION PADA SISTEM KOMUNIKASI DS-CDMA Christyono, Yuli
TEKNIK Volume 31, Nomor 1, Tahun 2010
Publisher : Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (291.819 KB) | DOI: 10.14710/teknik.v31i1.1761

Abstract

CDMA is interference limited multiple access system. Because all users transmit on the same frequency,internal interference generated by the system is the most significant factor in determining system capacity andcall quality. The transmit power for each user must be reduced to limit interference, however, the power shouldbe enough to maintain the required Eb/No (signal to noise ratio) for a satisfactory call quality. Maximumcapacity is achieved when Eb/No of every user is at the minimum level needed for the acceptable channelperformance. As the MS moves around, the RF environment continuously changes due to fast and slow fading,external interference, shadowing , and other factors. The aim of the dynamic power control is to limittransmitted power on both the links while maintaining link quality under all conditions. Additional advantagesare longer mobile battery life and longer life span of BTS power amplifiers.In this research will be made a sumulation of power control and multi user detection to avoid the interferencebetween MS.Observations show that the increasing number of users will decrease the value of Signal to Interfrence Ratio(SIR) / SIR below the target. To cope the growing number of users increases can be done by iteration / updatingpower transmit so the convergence computation can be reached and target value SIR can be achieved. Inaddition, to reduce interference can also be done by extending the number of chips.
Co-Authors Achmad Hidayatno Adam, Nur Muhammad Adhe Setya Nugraha Adhieka Danniswara Adi Dhama Kameswara Adian Fatchur Rochim Afin M Nurtsani Aghus Sofwan Ajub Ajulian Zahra Macrina Akbar Satria Wardhana, Akbar Satria Amin Taufiq Anang Setiaji, Anang Anggie Salsa Saputra Anton Prabowo Arismunandar, Ridho Arsyahadij, Miftahuddin Athallah, Farrel Aulia Latifah Insan Firdausi Azizah, Mega Tiara Nur Baron Murianda Budi Setiawan Budi Setiyono Cosa Pamungkas Prabaswara Dania Eridani Darjat Darjat Dayanti, Jessy Kris Defriko Christian Dewandhika Dewi Lestari Faizin, Ahmad Arif Fakkar Robbi Radhian Faruq, Faishal Al Fendy Yulian Rakhmad Hafidz Erwin Kurniawan Hermawan, H Herry Totalis I Ketut Suada Ibnu Fauzan Al Aula IMAM SANTOSO Irwan Budiman Irwan Budiman Iwan Setiawan Jaka Windarta Karyadi, Atma Kodrat Imam Satoto Luluk Arifatul Chalida Luthfi Rahman, Luthfi M. Hidayat Al Rizqy Maman Soemantri, Maman Maman Somantri Mita Indriani Mochamad Arif Haryadi, Mochamad Arif Mohamad Adiwijaya, Mohamad Muhammad Fatkhur Rahman Munawar Agus Riyadi Nasution, Ali Napiah Naufal Qodari Ngatelan Ngatelan Nugraha, Satria Indra Nugroho, Bima Adhi Nugroho, Gilang Cahyo Nunditya, Devina Mirza P, Eskania Widya Pangestu, Febrian Ardi Putut Suharso R. Rizal Isnanto Radhitya Wiratama Rahmat Dwi Cahyo Rahmat Juniar Dwiansyah Raidah Hanifah Ramada, Raynaldi Surya Randi Dwi Wibisono Rizal Yunan Rifai Santoso, Imam Setiawan, Hadyan Setyo Suseno, Setyo Shulchul Chabib Achmad Sudjadi Sudjadi Sukiswo Sukiswo Sumardi . Surya Purba Wijaya Sutaryono, Agus Teguh Prakoso Toni Prahasto Tri Handayani Trias Andromeda Velayati Habsyah Wiratama, Radhitya Yoga Krismawardana Yunianto Panji Nugroho, Yunianto Panji Yustinus Denny Ardyanto