Detecting Position of a Device by Swept Frequency of Microwave on Two-Dimensional Communication System - Taira, Junya; Low, Suzanne; Sugimoto, Maki; Sugiura, Yuta (2018 57th Annual Conference of the Society of Instrument and Control Engineers of Japan (SICE), Society of Instrument and Control Engineers of Japan (SICE), 2018 57th Annual Conference of the, 2018)