Development and Implementation of an LCMV Adaptive Beamforming Antenna Using USRP and GNU Radio

Các tác giả

Email tác giả liên hệ:

khanh.nt@vgu.edu.vn

DOI:

https://doi.org/10.54644/jte.2025.1965

Từ khóa:

Adaptive Beamforming, LCMV, USRP, GNU Radio, Digital twin

Tóm tắt

This present paper introduces the development and implementation of the Linearly Constrained Minimum Variance (LCMV) adaptive beamforming antenna system with two Universal Software Radio Peripheral (USRP) boards to receive and transmit the processed data through GNU’s Not Unix (GNU) Radio Companion software. The collected data will then be displayed through an external dashbased Visual Studio Code Program in order to accurately measure the performance of the LCMV beamforming algorithm while being compared with the conventional antenna system (Delay-and-Sum). The comparison criteria of the performance metrics between the 2 systems in this paper are: White Noise Gain (WNG), Null Depth, Interference Suppression, and Half-Power Beam Width (HPBW). The Flowgraph, which represents the logic of the two antenna systems in GNU Radio Companion (GRC), is subjected to noise interference to further reflect their performance in real-world settings. The research also demonstrates a clear difference in the performance between the two antenna system models, establishing a foundation for developing digital twin-based communication systems that enable continuous monitoring, simulation, and optimization in future wireless networks.

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Tiểu sử của Tác giả

Khang Nguyen Viet Thai, Vietnamese-German University, Vietnam

Khang Nguyen Viet Thai received his Bachelor's degree in Electrical Engineering and Information Technology (EEIT) from the Vietnamese-German University, in collaboration with Frankfurt University of Applied Sciences, in 2025. He is currently pursuing a Master's degree in Communications and Signal Processing at Technische Universität Ilmenau, Germany. His research interests include embedded systems, microwave circuits and modules, and semiconductor technology.

Email: 16142@student.vgu.edu.vn. ORCID:  https://orcid.org/0009-0002-8499-7858

Khanh Nguyen Tuan, Vietnamese-German University, Vietnam

Khanh Nguyen Tuan received the B.S. and M.S. degrees in electronic telecommunication from Can Tho University, Can Tho, Vietnam, in 2010 and Ho Chi Minh University of Technology, Ho Chi Minh City, Vietnam, in 2014, respectively. He got the PhD degree in Electronic and Computer Engineering at National Taiwan University of Science and Technology in 2023. He is currently pursuing a postdoctoral degree at the Vietnamese-German University. His research interests include semiconductors, radio-frequency biomedical sensors, noncontact vital-sign radar sensors, and microwave circuits and modules. He was a visiting scientist at the Integrated Electronic Systems (IES) Lab at TU Darmstadt in 2025.

Email: khanh.nt@vgu.edu.vn. ORCID:  https://orcid.org/0000-0002-5162-4417

Thuyet Nguyen Vo That, Vietnamese-German University, Vietnam

Thuyet Nguyen Vo That received a B.E. in Electronics and Telecommunications from Vietnam National University HCMC - University of Technology in 2009. He got an M.Sc. in Mechatronics and Sensor Systems Technology from the Vietnamese-German University in 2016. He is currently a lab engineer in electronics, digital systems, and signal processing at the Vietnamese-German University. His research interests include RTL design in IP development, FPGA based prototyping and applications.

Email: thuyet.nvt@vgu.edu.vn. ORCID:  https://orcid.org/0009-0003-9368-640X

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Tải xuống

Đã Xuất bản

2025-11-28

Cách trích dẫn

[1]
Khang Nguyen Viet Thai, Khanh Nguyen Tuan, và Thuyet Nguyen Vo That, “Development and Implementation of an LCMV Adaptive Beamforming Antenna Using USRP and GNU Radio”, JTE, vol 20, số p.h 04SI, tr 116–128, tháng 11 2025.

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T. 20 S. 04SI (2025)

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