no code implementations • 6 Nov 2023 • Li-Hsiang Shen, Kai-Ten Feng, Ta-Sung Lee, Yuan-Chun Lin, Shih-Cheng Lin, Chia-Chan Chang, Sheng-Fuh Chang
In this article, we have provided some fundamentals of RIS deployment in theory and hardware perspectives as well as utilization of artificial intelligence (AI) and machine learning.
no code implementations • 14 Jul 2023 • An-Hung Hsiao, Li-Hsiang Shen, Chen-Yi Chang, Chun-Jie Chiu, Kai-Ten Feng
Both simulation and experimental results demonstrate that the proposed SALC system can effectively reconstruct the fingerprint database with an enhanced location estimation accuracy, which outperforms the other existing schemes in the open literature.
no code implementations • 25 Apr 2023 • Li-Hsiang Shen, An-Hung Hsiao, Fang-Yu Chu, Kai-Ten Feng
In this paper, we propose a device-free human presence detection system for multi-room scenarios using a time-selective conditional dual feature extract recurrent network (TCD-FERN).
no code implementations • 25 Apr 2023 • Po-chun Hsu, Li-Hsiang Shen, Chun-Hung Liu, Kai-Ten Feng
Terahertz (THz) communication with ultra-wide available spectrum is a promising technique that can achieve the stringent requirement of high data rate in the next-generation wireless networks, yet its severe propagation attenuation significantly hinders its implementation in practice.
no code implementations • 25 Apr 2023 • Li-Hsiang Shen, An-Hung Hsiao, Kuan-I Lu, Kai-Ten Feng
Overall, our proposed ALPD system shows promising results for human presence detection using WiFi CSI signals.
no code implementations • 26 Mar 2023 • Chi-Che Chang, An-Hung Hsiao, Li-Hsiang Shen, Kai-Ten Feng, Chia-Yu Chen
In this paper, we propose the attention-based learning for sleep apnea and limb movement detection (ALESAL) system that can jointly detect sleep apnea and PLMD under different sleep postures across a variety of patients.
no code implementations • 25 Mar 2023 • Li-Hsiang Shen, Yun Ho, Kai-Ten Feng, Lie-Liang Yang, Sau-Hsuan Wu, Jen-Ming Wu
Low Earth orbit (LEO) satellite constellation is capable of providing global coverage area with high-rate services in the next sixth-generation (6G) non-terrestrial network (NTN).
no code implementations • 25 Mar 2023 • Wen Liu, An-Hung Hsiao, Li-Hsiang Shen, Kai-Ten Feng
The demand for device-free indoor localization using commercial Wi-Fi devices has rapidly increased in various fields due to its convenience and versatile applications.
no code implementations • 25 Mar 2023 • Wei-Yu Chung, Li-Hsiang Shen, Kai-Ten Feng, Yuan-Chun Lin, Shih-Cheng Lin, Sheng-Fuh Chang
Channel State Information (CSI) is widely adopted as a feature for indoor localization.
no code implementations • 25 Mar 2023 • Ting-Hui Wang, Li-Hsiang Shen, Kai-Ten Feng
The innovation of Wi-Fi 6, IEEE 802. 11ax, was be approved as the next sixth-generation (6G) technology of wireless local area networks (WLANs) by improving the fundamental performance of latency, throughput, and so on.
no code implementations • 25 Mar 2023 • Chih-Yu Chen, Li-Hsiang Shen, Kai-Ten Feng, Lie-Liang Yang, Jen-Ming Wu
Benefited from it, we have proposed a collaborative federated learning for low Earth orbit (FELLO).
no code implementations • 25 Mar 2023 • Chia-Hsiang Lai, Li-Hsiang Shen, Kai-Ten Feng
We have proposed a multi-agent multi-armed bandit for load balancing and resource allocation (mmLBRA) scheme, designed to both achieve load balancing and improve the effective sum-rate performance of the O-RAN network.
no code implementations • 21 Dec 2022 • Li-Hsiang Shen, Kai-Jui Chen, An-Hung Hsiao, Kai-Ten Feng
Furthermore, BTS outperforms existing SSL-based models in terms of the highest detection accuracy while achieving the asymptotic performance of SL-based methods.
no code implementations • 7 Nov 2022 • Li-Hsiang Shen, Chia-Che Hsieh, An-Hung Hsiao, Kai-Ten Feng
In this work, we propose a system called CRONOS (Colorization and Contrastive Learning Enhanced NLoS Human Presence Detection), which generates dynamic recurrence plots (RPs) and color-coded CSI ratios to distinguish mobile and stationary people from vacancy in a room, respectively.
no code implementations • 7 Dec 2021 • Li-Hsiang Shen, Chia-Lin Tsai, Chia-Yu Wang, Kai-Ten Feng
Accordingly, a traffic control-based user association and resource allocation (TURA) scheme is proposed for a centralized resource management.