no code implementations • 4 Sep 2023 • Seunghyeon Park, Taewon Kang, Seungjae Lee, Joon Hyo Rhee
In summary, our research contributes to the development of a more accurate and reliable pedestrian navigation system by leveraging smartphone IMU data and advanced algorithms for turn detection in indoor environments.
no code implementations • 1 Oct 2022 • Jaewon Yu, Joon Hyo Rhee
As a case study, the signal strength from the Yeongju transmitter was simulated using the proposed parameters.
no code implementations • 30 Sep 2022 • Taewon Kang, Joon Hyo Rhee
The basic idea of RSS-based indoor positioning is to estimate the receiver location by matching the measured received signal strength indicator (RSSI) with preestablished RSSI collections with corresponding locations, known as the radio map.
no code implementations • 13 Aug 2021 • Joon Hyo Rhee, Sanghyun Kim, Pyo-Woong Son, Jiwon Seo
Once its operational performance is determined to be satisfactory, South Korea plans to move to the second phase of the program, which is a nationwide eLoran system.
no code implementations • 24 Sep 2020 • Jongmin Park, Pyo-Woong Son, Woohyun Kim, Joon Hyo Rhee, Jiwon Seo
The widely used global navigation satellite systems (GNSSs) are vulnerable to radio frequency interference (RFI).
no code implementations • 24 Sep 2020 • Woohyun Kim, Pyo-Woong Son, Joon Hyo Rhee, Jiwon Seo
The purpose of the developed software is to collect measurements from multiple Loran transmitter chains for performance analysis of navigation methods using Loran, and to organize the data based on time to make it easy to use them.
Signal Processing