Sirigiet Phunklang received his B.Eng. degree in Electronic and Telecommunication Engineering from Rajamangala University of Technology Isan (RMUTI), Nakhon Ratchasima, Thailand, in 2017, and his Ph.D. degree in Telecommunication Engineering from the Institute of Engineering, Suranaree University of Technology (SUT), Thailand, in 2026. From 2018 to 2023, he served as a Teaching and Research Assistant at the School of Telecommunication Engineering, Institute of Engineering, SUT. Since 2023, he has been working as an independent research assistant. His current research interests include wireless communication systems, metamaterials, antenna design, IoT, AIoT, and smart farming technologies.