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All Journal Majalah Ilmiah Teknologi Elektro GUYUB: Journal of Community Engagement
Gunawan, M Wisnu
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Eksperimen Gabungan Teknik Reduksi PAPR Dan Predistorsi Pada Sistem OFDM Menggunakan USRP Gunawan, M Wisnu; Arifin, Arifin; Moegiharto, Yoedy; Budikarso, Anang; Briantoro, Hendy
Jurnal Teknologi Elektro Vol 22 No 2 (2023): (Juli - Desember) Majalah Ilmiah Teknologi Elektro
Publisher : Program Studi Magister Teknik Elektro Universitas Udayana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/MITE.2023.v22i02.P13

Abstract

In this paper, the performances of the joint technique of PAPR Reduction with ICF method and predistortion with inverse Saleh model on OFDM system are evaluated. The system’s performances at the receiver are presented by constellation nodes of QAM symbols From the experiment results can be shown that the predistorstion improves the system’s performance since the spreading of constellation nodes became smaller. While the performances of PAPR reduction technique are shown as the PAPR reduction values for clipping ratio (CR) values of 5, 4 and 3. The PAPR reduction values are 7,6 dB, 8,4 dB and 9,4 dB. And the predistortion technique can reduce the PSD gain of OFDM signal and linear high power amplifier of 30 dB.
Optimalisasi Kualitas Air pada Tambak Udang Vannamei Menggunakan Modul IoT Gunawan, Agus Indra; Setiawardhana, Setiawardhana; Gunawan, M Wisnu; Alam, Daffa Syah; Suasono, Zaikhul Sulthon; Hamida, Silfiana Nur
GUYUB: Journal of Community Engagement Vol 6, No 1 (2025): Maret
Publisher : Universitas Nurul Jadid

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33650/guyub.v6i1.10581

Abstract

Indonesian has great potential in the fisheries sector, with vaname shrimp as a leading commodity due to its competitive price and efficient cultivation. However, many shrimp farmers in Keputih Village, Surabaya City still lack an understanding of the importance of monitoring and managing pond water quality. In response to this, the Master of Applied Electrical Engineering and Master of Applied Informatics and Computer Engineering teams at Politeknik Elektronika Negeri Surabaya (PENS) introduced an IoT-based Water Quality Meter module. This program not only provides real-time water quality monitoring technology that can be accessed via smartphone or laptop, but also provides training and assistance to pond farmers in adopting this technology. Evaluation results show that pond farmers can operate the module well to monitor water quality parameters, making it easier to monitor ponds accurately and practically. The community service program is expected to increase yields, strengthen collaboration between academics and communities, and encourage the adoption of modern technology in shrimp farming.
Co-Authors Alam, Daffa Syah Anang Budikarso, Anang Arifin Arifin Gunawan, Agus Indra Hamida, Silfiana Nur Hendy Briantoro Setiawardhana, Setiawardhana Suasono, Zaikhul Sulthon Yoedy Moegiharto, Yoedy