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All Journal Explore: Jurnal Sistem Informasi dan Telematika (Telekomunikasi, Multimedia dan Informatika)
Aji, Purno Tri
Universitas Negeri Yogyakarta
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Effect of Modulation Format on Signal Strength and Range in CC1101 Wireless Systems Aji, Purno Tri; Sony, Arya; Prasetyo, Rizky Hidayat; Hendarto, Taufik; Jati, Ahmad Nugroho
Explore: Jurnal Sistem Informasi dan Telematika (Telekomunikasi, Multimedia dan Informatika) Vol 16, No 2 (2025): Desember
Publisher : Universitas Bandar Lampung (UBL)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36448/jsit.v16i2.4571

Abstract

This paper examines the impact of modulation formats on signal strength and communication range in CC1101-based wireless systems. Experiments were conducted with Arduino Nano nodes operating at 433 MHz under line-of-sight (LOS) conditions in a dense built environment. Four modulation schemes OOK/ASK, 4-FSK, MSK, and GFSK were tested with identical parameters, and RSSI values were recorded across increasing distances. Results indicate that 4-FSK provides strong short-range performance, while OOK/ASK achieves more consistent long-range connectivity up to 160 meters. MSK demonstrates stable signal integrity at moderate distances, whereas GFSK shows robustness in interference-prone settings but with limited coverage. The study concludes that modulation scheme selection should be application-specific, balancing trade-offs between range, energy efficiency, and reliability.
Co-Authors Arya Sony Hendarto, Taufik Jati, Ahmad Nugroho Rizky Hidayat Prasetyo