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All Journal Jurnal Ilmiah Teknik Elektro Komputer dan Informatika (JITEKI) Jurnal technoscientia JOIV : International Journal on Informatics Visualization Jurnal Sains Teknologi dan Lingkungan (JSTL) Jurnal Pengabdian Magister Pendidikan IPA Jurnal Gema Ngabdi Dielektrika : Jurnal Ilmiah Kajian Teori dan Aplikasi Teknik Elektro JURNAL TEKNOLOGI TECHNOSCIENTIA Jurnal Pengabdian Kepada Masyarakat (JPKM) Tabikpun Jurnal Bakti Nusa Jurnal Karya Pengabdian Teknik Mesin Jurnal Pepadu Jurnal Pendidikan dan Pengabdian Masyarakat Jurnal Rekayasa elektrika JEITECH (JOURNAL OF ELECTRICAL ENGINEERING AND INFORMATION TECHNOLOGY) Jurnal Wicara Desa
Sudi Mariyanto Al Sasongko
Jurusan Teknik Elektro Universitas Mataram
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Journal : JURNAL TEKNOLOGI TECHNOSCIENTIA

 1 
ANALISIS PENGARUH PENAMBAHAN KODE PENEBAR PADA MODULASI GMSK TERHADAP DSCDMA DAN OFDM DITINJAU DARI BER SISTEM Al Sasongko, Sudi Mariyanto
JURNAL TEKNOLOGI TECHNOSCIENTIA Technoscentia Vol 1 No 1 Agustus 2008
Publisher : Lembaga Penelitian & Pengabdian Kepada Masyarakat (LPPM), IST AKPRIND Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.34151/technoscientia.v1i1.385

Abstract

The important parameter to justify the performance of a communication system is the value of Bit Error Rate, which should be small enough, the use of limited bandwidth, and the use of limited power emission. Some popular applied modulations in wireless communication for high data rate are GMSK in GSM system, QPSK in DSCDMA system, and QAM in OFDM system. This research was to simulate the performance of Bit Error Rate of GMSK which was added with a spreading code in data input.The evaluation of Bit Error Rate is done on Direct Sequence GMSK baseband and passband, Direct Sequence CDMA passband, and OFDM 64QAM baseband through AWGN channel and Multipath channel. Procedure of evaluation is simulate model with increasing SNR every 1dB until reaches threshold of BER as 10-4 . Analysis is based on program simulation in Simulink Matlab 6.5.1. Based on simulation result , for AWGN channel with threshold BER as 10 – 4 are found : DSGMSK passband have level need 1,5dB, DSCDMA passband have level need 7,5dB, DSGMSK baseband have level need 10dB, and OFDM baseband have le-vel need 27dB. In multipath channel environment, DSGMSK passband configuration is need 1,5dB less than DSCDMA configuration that are 6dB and 7,5dB.
Co-Authors A.B Muljono Abddullah Zainuddin Abdullah Zainuddin Abdullah Zainuddin Agung Budi Muljono Agung Budi Muljono Agung Budi Mulyono Agung Budi Mulyono Agustira, Mislahul Ihsan Alfandi, Ahmad Nova Ananda, Selly Ariessaputra, Suthami Arjuna Surya Dharma Putra, I Made Budi Darmawan Budi Darmawan Budi Darmawan Bulkis Kanata Bulkis Kanata Cahyani, Armita Dwi Darmawan, Lalu Sukma Djul Fikry Budiman, Djul Fikry Erina Nursholihatun Erni Dwi Jayanti Eva Susanti Fahroni Ardiansyah Ginarsa I Made Halimatussakdiah Halimatussakdiah Harjian, Muhammad Rivaldi I Gede Pasek Suta W I Made Ari Nrartha I Made Ginarsa I Made Ginarsa I.M Ari Nrartha I.M Ginarsa Ida Ayu Sri Adnyani Indra Sastra Januarman Maulana Putra Kurniawan Yuniarto Kurniawan Yuniarto L. A Syamsul Irfan Akbar Lalu Alfian Wahyudi Lilhamdi, M Riki Made Sutha Yadnya Maryati Ningsih, Resthi Misbahuddin, Misbahuddin Misnawati Misnawati Muhammad Afrizal G. Rasyda Muhammad Fajri Muvianto, Cahyo Mustiko Okta Nababan, Sabar Nafisah, Mufrihatun Natsir, Abdul Noviana, Yulia Nrartha I Made Nurrizka, Siti Oktapian, Tomi Paniran Paniran Putra, I Ketut Perdana Rasyda, Muhammad Afrizal G. S. Sultan Sabar Nababan Saefurrasyid , Yusril Seniari, Ni Made Siska Yunita, Eliza Sri Agustini Yumiati Sri Wahyuni Sujiwo, Teguh Maulana sultan Sultan . Sultan Sultan Sultan Sultan Sultan Sultan Sultan Sultan Syachrir Eka Putra1 Eka Putra Syafaruddin Ch Tohri, M. Tsaury, Shofian Utami, Sulastri Viviana Herlita Vidiasari Wahyuni, Astriana Widianty , Desi Yuliana Yuliana Fatmi Zuldiansyah, Gusti Zulkipli, Muhammad Zidane Athaya