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Stream/Area:
-
Subject:
-
Paper ID:
IJSREM65915
Volume:
10 |
7 |
Jul 2026
Pages:
1-6
Publication Frequency:
Monthly (12 issues per year)
License:International Journal of Scientific Research in Engineering and Management follows the Creative Commons Attribution 4.0 (CC BY 4.0) License, allowing free use and distribution with proper attribution.
Department of Electronics and Communication Engineering
JNTUGV-CEV
Department of Electronics and Communication Engineering
JNTUGV-CEV
Department of Electronics and Communication Engineering
JNTUGV-CEV
Autonomous unmanned aerial vehicle (UAV) swarms are increasingly deployed in complex operational missions, including search and rescue, environmental monitoring, and tactical surveillance. To ensure seamless coordination, reliable collision avoidance, and high-throughput data sharing, these dynamic network demand highly resilient, long range wireless communication links. However, conventional UAV architectures are typically constrained by omnidirectional or fixed directional antenna. When UAV rapidly shift their relative position and orientation in three-dimensional space, fixed antenna suffers from several degradation, link intermittent failures, and energy waste in unintended direction. To overcome these limitations, this paper presents the design, modeling, and full-wave simulation of a lightweight, pattern-reconfigurable Yagi-Uda antenna operation at the 2.4GHz industrial, scientific, and medical (ISM) band. By introducing reconfigurable multi-element arrays across modular nodes, the antennas can dynamically alter its effective electrical parameters to optimize transmission gain actively steer its main radiation beam. Full-wave electromagnetic simulation modeling evaluates performance configuration consisting of 3 elements. The simulated antenna structure exhibits a resonant return loss up to -25.00 dB, a voltage standing wave ratio (VSWR) of 1.11, and maximum peak gain spanning 4.89 dBi. To validate the design, a physical 3-element micro-prototype was fabricated and experimentally characterized via a vector network analyzer (VNA), demonstrating excellent correlation with simulated performance and yielding an experimental return loss of -22.02 dB and VSWR of 1.20 at 2.4 GHz. Ultimately, this reconfigurable design provides superior signal coverage, mitigates co-channel interference, establishes robust, adaptive communication links, making it highly suitable for next-generation flying ad-hoc networks (FANETS).
KEYWORDS
This paper has successfully presented the design, simulation and hardware validation pattern-reconfigurable 2.4 GHz Yagi-Uda antenna tailored for decentralized UAV swarm networks. Full-wave simulation using CST Studio Suite enabled structural optimization down to a highly agile and lightweight 3-element layout. The final optimization design demonstrated a simulated return loss of -25.00 dB, a VSWR of 1.11 and a peak forward gain of 4.89 dBi. Experimental characterization of the fabricated prototype confirmed an operational return loss of -22.02dB and VSWR of 1.20 within the 2.4 GHz region. This configuration successfully balances compact structural requirements with directional beam tracking, providing an effective, energy-efficient solution to sustain robust, interference-resilient links in high-mobility flying ad-hoc networks (FANETs)
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Publication Date
7/9/2026
Peer Review Type
Double-Blind Peer Review
Review Rounds: 2
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