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All Journal Jurnal Teknik Elektro Seminar Nasional Aplikasi Teknologi Informasi (SNATI) Transmisi: Jurnal Ilmiah Teknik Elektro Jurnal Teknik ITS IPTEK The Journal for Technology and Science TELKOMNIKA (Telecommunication Computing Electronics and Control) Jurnal Ilmiah Kursor Journal of ICT Research and Applications Seminar Nasional Informatika (SEMNASIF) ELKOMIKA: Jurnal Teknik Energi Elektrik, Teknik Telekomunikasi, & Teknik Elektronika EMITTER International Journal of Engineering Technology Journal of Science and Applicative Technology JAVA Journal of Electrical and Electronics Engineering Journal of Strategic and Global Studies JAREE (Journal on Advanced Research in Electrical Engineering) Jurnal Nasional Teknik Elektro dan Teknologi Informasi SinarFe7 Sewagati
Gamantyo Hendrantoro
Departemen Teknik Elektro Institut Teknologi Sepuluh Nopember
Arts Humanities Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Languange, Linguistic, Communication & Media Materials Science & Nanotechnology Mechanical Engineering Public Health Social Sciences Other

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Journal : IPTEK The Journal for Technology and Science

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Application of Adaptive QAM Modulation and Diversity Scheme for 30 GHz Cellular Communications under the Impact of Rain Attention in Indonesia Gamantyo Hendrantoro; Achmad Mauludiyanto; Ninik D. Yundariani
IPTEK The Journal for Technology and Science Vol 18, No 3 (2007)
Publisher : IPTEK, LPPM, Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j20882033.v18i3.167

Abstract

In millimeter-wave wireless cellular systems like Local Multipoint Distribution Services (LMDS) rain attenuation is an essential factor of performance degradation. It can cause signal outages and poor quality of signal reception. To mitigate the problem, a combination of diversity and adaptive modulation is proposed. To investigate the impact of the use of these techniques, a simulation is performed for a 30 GHz cellular system to obtain SNR (signalto- noise ratio), diversity gain, modulation level and BER (bit error rate). Analysis of the implementation of the combined techniques is accomplished by taking into account such factors as length of links and the combining method Simulation results show that diversity can improve the overall system SNR. Diversity gain of up to 15 dB can be achieved on two 4-km converging links at 0.01% outage probability when maximal-ratio combining (MRC) is used. For systems with luxurious link design for which the clearsky SNR is more than 30 dB, as considered in this paper, diversity and adaptive modulation do not significantly contribute to improvement of achievable transmission rate and BER performance. However, for systems with lower values of clear-sky SNR, use of both techniques will be more worthwhil.
Co-Authors Achmad Affandi Achmad Mauludiyanto Achmad Mauludyanto Achmad, Fariz Agriniwaty Paulus Ahmad Maulidiyanto Ahmad Muhiddin Ainun Jariyah Aji Hidayat Muryono Alan Sujadi Amarulla Octavian Amin Suharjono Andi Nurul Utami Husain Arif Fathoni Aris Pradana Aryo Darma Adhitya Boedinoegroho, Hany Bura, Romie O. Destya Arisetyanti Devy Kuswidiastuti Dewa Made Wiharta Dika Oktavian Prasetya Dwicahyono, Taufik Dyah Ayu Kusumaningtyas Harsono Endang Widjiati Endang Widjiati Endroyono Endroyono Endroyono, E Eni Dwi Wardihani Fadhli, Mohammad Fannush Shofi Akbar Farandi Febrianto Pratama Fathur Zaini Rachman Firmansyah, Mohammad Rifqi Fitri Adi Iskandarianto Fitri Amillia Fredy Indra Oktaviansyah Gatot Kusrahardjo Gatra Erga Yudhanto Gilang Almaghribi Sarkara Putra Harinto Mukti Legowo I Made Oka Widyantara Ikhwanti Indahsari Iwan Hendrianto Kalvein Rantelobo Krisdaniawan, Darien Raditya Krisnatianto Tanjung Mohammad Ariza Fardhiyansyah Muhammad Dwi Rifqi Muhammad Fachry Nova Muhammad Hasan Mahmudy Muhammad Rendy Anggara Muhammad Rizal Habibi Muhammad Yahya Batubara Niko Permana R.W. Ninik D. Yundariani Nisa Rachmadina Novalia Pertiwi Nur Ikhwan Nyoman Putra Sastra Octiana Widyarena Prasetiyono H Mukti Prasetiyono Hari Mukti Prima Kristalina Puji Handayani Pujo Widodo, Pujo Purwoko Adhi Rahayu, Sri Rheyuniarto Sahlendar Asthan Riyan Eka Pratama Rochmawati Ada Wiyah Rufiyanto, Arief Safirina Febryanti Saharani, Aulia Sardjono Trihatmo Septiawan, Reza Setijadi, Eko SRI RAHAYU Sri Rahayu Suwadi Suwadi Theresia Dwi Lestari Londong Titiek Suryani Tri Budi Santoso Tri Budi Santoso Walid Maulana Hadiansyah Wibowo, Reyhan Adinathan Widyanto Dwiputra Pradipta Wikantyoso, A Krisna Wirawan Wirawan Wirawan Wirawan Wirawan Wirawan Wirawan Wirawan Wirawan Wirawan Wirawan Wirawan Wirawan Wirawan Wirawan Wirawan Wirawan Wirawan Wismanu Susetyo Wismanu Susetyo Yahya Syukri Amrullah Yuyu Wahyu