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All Journal Seminar Nasional Aplikasi Teknologi Informasi (SNATI) TELKOMNIKA (Telecommunication Computing Electronics and Control) Jurnal Ilmiah Kursor Journal of ICT Research and Applications ELKOMIKA: Jurnal Teknik Energi Elektrik, Teknik Telekomunikasi, & Teknik Elektronika EMITTER International Journal of Engineering Technology JOIV : International Journal on Informatics Visualization Jurnal Komputer Terapan INOVTEK POLBENG INTEK: Jurnal Penelitian J-Dinamika: Jurnal Pengabdian Kepada Masyarakat DIKEMAS (Jurnal Pengabdian Kepada Masyarakat) Jurnal Mantik MOTIVECTION : Journal of Mechanical, Electrical and Industrial Engineering Jurnal Nasional Teknik Elektro dan Teknologi Informasi Publikasi Hasil Pengabdian Kepada Masyarakat. International Conference on Sciences Development and Technology Jurnal ELTEK Enrichment: Journal of Multidisciplinary Research and Development Jurnal Pengabdian Nasional (JPN) Indonesia Jurnal ELTEK The Indonesian Journal of Computer Science
Amang Sudarsono, Amang
Politeknik Elekronika Negeri Surabaya
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Journal : Jurnal ELTEK

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Implementasi skema pengacakan subcarrier OFDM dengan algoritma RSA pada NI-USRP Sa’adah, Nihayatus; Astawa, I Gede Puja; Sudarsono, Amang
JURNAL ELTEK Vol. 20 No. 2 (2022): Oktober 2022
Publisher : Politeknik Negeri Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33795/eltek.v20i2.354

Abstract

Keamanan jaringan nirkabel merupakan salah satu hal terpenting dalam sistem komunikasi. Karena sinyal dikirim dari pengirim melalui saluran nirkabel, tidak hanya penerima yang sah, tetapi juga penyadap dapat menangkap dan menyimpan sinyal informasi dengan mudah. Penelitian ini mengeksplorasi skema keamanan komunikasi nirkabel dimana skema yang digunakan adalah pengacakan subcarrier. Pemancar dan penerima harus disinkronkan untuk mengembalikan subcarrier ke posisi semula. Sistem ini menggunakan algoritma RSA sebagai sinkronisasi. Teknologi keamanan pengacakan subcarrier diimplementasikan pada sistem OFDM. Sistem OFDM diimplementasikan menggunakan perangkat USRP. Hasil yang diperoleh dari penelitian ini membuktikan bahwa teknik keamanan yang digunakan tidak menurunkan kinerja sistem, bahkan dapat mengurangi jumlah kesalahan bit akibat teknik sinkronisasi. Dengan teknik sinkronisasi algoritma RSA, dari jarak pengujian 1 meter, 2 meter, dan 5 meter. Pada jarak 1 meter didapatkan hasil terbaik dengan penurunan error bit dari 19,04% menjadi 0% pada 32-QAM dan penurunan error bit dari 28,57% menjadi 4,76% pada 64-QAM.   ABSTRACT Wireless network security is one of the essential things in communication systems. Since the signal is sent from the sender through a wireless channel, the legitimate receiver and eavesdropper can easily capture and store signal information. This study explores a wireless communication security scheme where the scheme used is subcarrier randomization. The transmitter and receiver must be synchronized to return the subcarrier to its original position. This system uses the RSA algorithm as synchronization. Subcarrier randomization security is implemented in OFDM system. OFDM system is implemented using USRP. The results from this study prove that security techniques don't reduce system performance, and can even reduce the number of errors due to synchronization techniques with RSA synchronization technique, with 1 meter, 2 meters, and 5 meters experiments. At 1meter distance is the best result with bit error drop from 19.04% to 0% on 32-QAM and a bit error drop from 28.57% to 4.76% on 64-QAM.
Co-Authors Abd. Rasyid Syamsuri Adam Surya Putra Adam Surya Putra Afifah Dwi Ramadhani agostinho marques ximenes Ahmad Zainudin Ali Ridho Barakbah Anang Budikarso Anang Budikarso, Anang Anang Siswanto Anang Siswanto Anang Siswanto, Anang Anindya Dwi Putri Islamidina Ari Wijayanti Ari Wijayanti Aries Pratiarso Aries Pratiarso Aries Pratiarso, Aries Astin, Novita Bambang Sumantri Bayu Dwiyan Satria Bih Hwang Lee Bima Sena Bayu Dewantara Dadet Pramadihanto Darmawan, Zakha Maisat Eka Dewi, Florista Dewi, Ni Made Lintang Asvini Dian Neipa Purnamasari Donny Farhan Eko Prayitno Farel Juliansyah Farhan, Donny Febby Ronaldo Fitri, Novi Aryani Florista Dewi Gulo, Melki Mario Gunawan, M. Wisnu Hadi, Mochammad Zen Samsono Haniah Mahmudah Hari Wahyuningrat S. Hary Oktavianto Haryadi Amran Hasan Basri Hasan Basri Hendy Briantoro Heru Iswanto Heru Iswanto, Heru Hidayah, Nuril Hudhajanto, Rizky Pratama I Gede Puja Astawa I Gede Puja Astawa I Gede Puja Astawa I Gede Puja Astawa I Gede Puja Astawa I Gede Puja Aswara Ida Anisah Idris Winarno Indah Yulia Prafitaning Tiyas Indah Yulia Prafitaning Tiyas, Indah Yulia Prafitaning Inka Trisna Dewi Ismed Jauhar Ismed Jauhar, Ismed Juliansyah, Farel Kevin Prima Pambudi Kevin Prima Pambudi, Kevin Prima Lordan Kimbal, Heaven Louis Nashih Uluwan Arif M Udin Harun Al Rasyid, M Udin Harun M. Cahyo Kriswantoro Mahardhika, Yesta Medya Mahmudah, Haniah Mala Nurilmala Mike Yuliana Mochammad Zen Samsono Hadi Mohamad Ridwan Muh. Alfan Taufiqurrahman Muhammad Taufiq Sumadi Nanang Syahroni Ni Made Lintang Asvini Dewi Nihayatus Sa'adah Nihayatus Sa'adah Ningsih, Norma Nisa, Choirun Choirun Nisa Novita Astin Nur Nur Adi Siswandari Nurul Fahmi Nurul Fahmi Nurul Fahmi Priambodo, Naufal Ammar Prima Kristalina Putra, Adam Surya Qoirul Setiawan Qoirul Setiawan, Qoirul R Rizki Rachmadi R. Gaguk Pratama Yudha Rafina Destiarti Ainul Rahardita Widyatra Ramadhani, Afifah Dwi Reni Soelistijorini Renovita Edelani Rini Satiti Rizky Pratama Hudhajanto Rokhmat Albasyih Samsul Huda Samsul Huda Santoso, Tribudi Saputro, Anton Cahyo Satiti, Rini Sa’adah, Nihayatus Soelistijorini, Reni Sritrusta Sukaridhoto Subhan, Muh Syahroni, Nanang Taufiqurrahman, Muh. Alfan Titon Dutono Tri Budi Santoso Tri Budi Santoso Tri Harsono TRI SUSANTI Tri Susanti Tribudi Santoso Vivien Arief Wardhany Wahjoe Tjatur Sesulihatien Wahyuningrat S., Hari Winarmo, Idris Ximenes, Agostinho Marques Yoedy Moegiharto, Yoedy Yoga Yuniadi Yudha, R. Gaguk Pratama Yuliana, Mike