Radiation phase control system for a WIFI and BLUETOOTH antenna array using phase shifters
DOI:
https://doi.org/10.47187/perspectivas.8.2.246Keywords:
adaptive radiation patterns, Patch antenna beamforming, Phase shift control, Wireless signal coverage, IoT and smart home communicationsAbstract
This article presents a system for controlling the angle of sound and rapidly changing the radiation patterns of WiFi and Bluetooth antennas by modifying the phase shift in a patch antenna array. The system incorporates a phase shifting process to achieve beamforming, which improves signal strength in desired locations and reduces noise in undesired areas. This involves designing patch antennas with precise measurements, installing a control unit to adjust the phase shift, and testing their operation in both real and simulated environments. Measurements were made in a circular pattern, covering a 180- degree area with 30 points, at 6-degree intervals, in an anechoic chamber. A voltage of 3 V was used to determine the phase shift between measurements without a phase shifter. The results showed that without a phase shifter, a minimum value of -25.25 dB was found, while with the different voltages, a value of -25.29 dB was obtained at 3 V, indicating an approximate phase shift of 12 degrees compared to measurements without a phase shifter. The data show significant changes in signal coverage, power utilization, and an improvement in system performance. The findings highlight the potential of this approach for use in smart homes, IoT devices, and other wireless communication systems that require flexible radiation patterns.
References
[1] C. Systems, “WiFi technology overview,” Tech. Rep., 2016. [Online]. Available: https://www.cisco.com
[2] D. M. Pozar, Microwave Engineering, 3rd ed. Wiley, 2005.
[3] C. A. Balanis, “Antenna theory: Analysis and design,” 2016.
[4] G. V. Tsoulos, Adaptive Antennas for Wireless Communications. Wiley, 2001.
[5] M. A. Hossain and M. T. Islam, “Compact and high-performance microstrip patch antennas for IoT applications,” Sensors, vol. 20, no. 8, p. 2272, 2020.
[6] T. Lim, S. Gao, and T. Loh, “Design of beam-steering microstrip array antennas using phase shifters,” IEEE Transactions on Antennas and Propagation, vol. 63, no. 7, pp. 3079–3086, 2015.
[7] I. S. Association, IEEE 802.11ax: High-Efficiency WLAN, Std., 2021.
[8] P. Goel and K. J. Vinoy, “A low-cost phased array antenna integrated with phase shifters,” Progress In Electromagnetics Research B, vol. 30, pp. 255–277, 2011.
[9] A. Karmakar, B. Roy, and A. K. Bhattacharjee, “Mems- based monolithic phased array using 3-bit switched-line phase shifter,” Advanced Electromagnetics, 2025. [Online]. Available: https://aemjournal.org/index.php/AEM/article/view/520
[10] C. Paz, “Diseño y simulación de un sistema radiante basado en antenas yagi-uda que implemente la técnica de beamforming a una frecuencia de operación de 6 GHz,” Master’s thesis, Repositorio EPN, 2022, s.l.
[11] M. Amri and F. Echouchene, “Phased array antenna structure based on novel 6-bit phase shifter for WiFi communication systems,” International Review of Electrical and Computer Engineering, vol. 15, no. 1, pp. 10– 18, 2025.
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Copyright (c) 2026 María Diaz, Ana Ortega, Dayana Pilco, José Samaniego, Ronny Toctaquiza
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