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All Journal Journal of Applied Information, Communication and Technology (JAICT) Aspirasi : Publikasi Hasil Pengabdian dan Kegiatan Masyarakat
Filda Hulwani Dewi
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Agriculture, Biological Sciences & Forestry Humanities Economics, Econometrics & Finance Education Engineering Public Health

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Implementation and Analysis of Quadrature Amplitude Shift Keying Modulation Using SDR Devices for Wireless Communication Systems Rochmatika, Rizkha; Jeffri Pratama; Slamet Mulyadi; Abu Hasan; Irfan Mujahidin; Muhlasah Novitasari Mara; Filda Hulwani Dewi
JAICT Vol. 12 No. 1 (2026): JAICT
Publisher : Politeknik Negeri Semarang

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Abstract

This research aims to implement and analyze the performance of Quadrature Amplitude Shift Keying (QASK) modulation in wireless communication systems using Software Defined Radio (SDR) devices. This research uses ADALM-PLUTO as the transmitter and RTL-SDR as the receiver, with signal processing performed through GNU Radio software. The main focus of this research is to evaluate the implementation of 4-QASK modulation in wireless data transmission at several different frequencies (300 MHz, 500 MHz, 1 GHz, and 1.5 GHz) and different distances (1 meter to 5 meters), as well as to measure transmission quality using the Packet loss and Received Signal Strength Indicator (RSSI) parameters. The test results show that this system is capable of transmitting data with good quality, with RSSI values ranging from 51.41 dBm to -62.59 dBm, indicating good to very good signal quality. This test also showed that the further the distance between the transmitter and receiver, the lower the signal reception quality, especially at higher frequencies, indicating a significant influence of distance and frequency on the received signal strength. Based on the results obtained, it can be concluded that QASK modulation using SDR, particularly 4-QASK, is effective in wireless communication with good performance at short to medium distances.
Pendampingan Literasi AI Akademik Berbasis NotebookLM bagi Komunitas Pemerhati Publikasi Ilmiah dalam Meningkatkan Produktivitas Penulisan Karya Ilmiah Iswanti Iswanti; Dadi Dadi; Netty Nurdiyani; Sri Astuti; Supriyati; Suryono; Wahyu Sulistiyo; Danu Angga Vebriyanto; Filda Hulwani Dewi
ASPIRASI : Publikasi Hasil Pengabdian dan Kegiatan Masyarakat Vol. 4 No. 3 (2026): Mei : ASPIRASI : Publikasi Hasil Pengabdian dan Kegiatan Masyarakat
Publisher : Asosiasi Periset Bahasa Sastra Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61132/aspirasi.v4i3.2775

Abstract

The rapid advancement of Artificial Intelligence (AI) has created new opportunities to support academic activities, particularly in scientific writing and literature review. This community service program aimed to improve academic AI literacy through training and mentoring on the use of NotebookLM for members of a scientific publication community consisting primarily of final-year university students. The activity was conducted at Politeknik Negeri Semarang, using a participatory mentoring approach consisting of needs assessment, pretest, interactive training, guided practice, mentoring, and evaluation. Initial evaluation showed that approximately 80% of participants had never used NotebookLM before the training. After the mentoring program, participants successfully utilized NotebookLM to summarize scientific articles, analyze journal content, generate presentation materials, create infographics, and organize literature more efficiently. The activity also increased participants' awareness of ethical AI utilization in academic writing. The program demonstrates that NotebookLM can function as an effective academic AI assistant to improve scientific literacy and writing productivity among university students. This mentoring model may serve as an alternative strategy for strengthening AI literacy in higher education.
Co-Authors Abu Hasan Dadi Dadi Danu Angga Vebriyanto Iswanti Iswanti Jeffri Pratama Muhlasah Novitasari Mara Netty Nurdiyani Rochmatika, Rizkha Slamet Mulyadi Sri Astuti Supriyati Suryono Wahyu Sulistiyo