Article Per Year (5 Year)
p-Index From 2021 - 2026
0.444
P-Index
This Author published in this journals
All Journal Jurnal Nasional Teknik Elektro dan Teknologi Informasi Gotong Royong
Budiani Destyningtias
Universitas Semarang
Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Electrical & Electronics Engineering Energy Engineering Languange, Linguistic, Communication & Media Social Sciences

Published : 2 Documents Claim Missing Document
Claim Missing Document
Check
Articles

Found 2 Documents
Search

 1 
Perbandingan Kinerja Generalized Frequency Division Multiplexing Menggunakan Modulasi QAM dan Offset QAM Ari Endang Jayati; Budiani Destyningtias
Jurnal Nasional Teknik Elektro dan Teknologi Informasi Vol 12 No 1: Februari 2023
Publisher : Departemen Teknik Elektro dan Teknologi Informasi, Fakultas Teknik, Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/jnteti.v12i1.2548

Abstract

Generalized frequency division multiplexing (GFDM) is a future nonorthogonal multicarrier system. GFDM is a block-shaped data transmission technique in which each subcarrier is formed from nonrectangular shaped pulses. The application of quadrature amplitude modulation (QAM) mapping for GFDM is excellent because of the increased spectral efficiency. QAM also has limitations, namely increasing complexity when implemented. Apart from that, the inter carrier interference (ICI) persists and greatly influences the system. The technique for mitigating this weakness is by using offset QAM (OQAM) mapping. The advantages of GFDM/OQAM over GFDM/QAM are that the quadrature and in-phase components in OQAM modulation do not experience shifts in the same time slot, low out of band (OOB), high data rate and is ICI free. This study compares two scenarios namely the GFDM/OQAM and the GFDM/QAM systems. It analyzes the performance of the bit error rate (BER) if additive white gaussian noise (AWGN) and Rayleigh channels are passed. The simulation results show that GFDM/OQAM has better performance results. The simulation results showed that in order to obtain BER 10-2, there should be a decrease in the value of Eb/N0 (ratio of energy per bit to noise power) by 8 dB in QAM to OQAM when they were passed AWGN channels. Meanwhile, when passed the Rayleigh Fading channel, there was a decrease in the Eb/N0 value by 9 dB in the QAM to OQAM to get a BER value of 10-2. This study has also succeeded in investigating the performance of the two systems for parameters of the constellation diagram and signal spectrum. Moreover, it has succeeded in obtaining a roll off factor reference value that can be used in the application of the GFDM/OQAM system with the best performance result of 0.3. The roll off factor value greatly affects the performance of the GFDM system.
Pengenalan Dan Pelatihan Dasar Robotika Bagi Siswa/Siswi SMK PGRI 01 Semarang ISYA ARYAN; Budiani Destyningtias; Titik Nurhayati
Gotong Royong Vol. 2 No. 1 (2025)
Publisher : CV. Akira Java Bulu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.63935/gr.v2i1.83

Abstract

The introduction and basic robotics training for vocational high school (SMK) students aims to provide a fundamental understanding of robotics concepts that can be applied in industry and technology. This training combines theoretical knowledge and hands-on practice to develop skills in designing, assembling, and programming simple robots. The curriculum includes an introduction to robot components, control systems, and the programming languages used to control robot movements. Using appropriate tools and devices, students are taught how to assemble robots using robotics kits while understanding basic concepts such as sensors, actuators, and logic programming. By the end of the training, students are expected to have a foundational knowledge of robotics that can be further explored for advanced technology studies and enhance their competitiveness in the industry. This robotics introduction also aims to foster student interest and motivation in the fields of technology and engineering, as well as open career opportunities in the rapidly growing technology sector.
Co-Authors Ari Endang Jayati ISYA ARYAN Titik Nurhayati