Ryuhei Hibi

According to our database, Ryuhei Hibi authored at least 5 papers between 2022 and 2026.

Collaborative distances:

• Dijkstra number of five.
• Erdős number of four.

2026

Angle-Distance Separated Hierarchical Beam Training With Multi-Focal and Defocal Beams for Large-Scale IRS-Aided Near-Field Communication.

Ryuhei Hibi, Hiroaki Hashida, Yuichi Kawamoto, Nei Kato

IEEE Trans. Cogn. Commun. Netw., 2026

2025

IRS-Aided Near-Field Communication: Prospects and Challenges with Codebook Approach.

Ryuhei Hibi, Hiroaki Hashida, Yuichi Kawamoto, Nei Kato

IEEE Wirel. Commun., August, 2025

2024

3D Codebook Construction Strategy based on Control Accuracy Index for Intelligent Reflecting Surface in Near-field.

Ryuhei Hibi, Hiroaki Hashida, Yuichi Kawamoto, Nei Kato

Proceedings of the 100th IEEE Vehicular Technology Conference, 2024

2023

Standalone-Intelligent Reflecting Surface Control Method Using Hierarchical Exploration by Beamwidth Expansion and Environment-Adaptive Codebook.

Ryuhei Hibi, Yuichi Kawamoto, Nei Kato

IEEE Trans. Veh. Technol., September, 2023

2022

Efficient Phase Control Determination by Codebook without CSI for Standalone IRS Realization.

Ryuhei Hibi, Yuichi Kawamoto, Nei Kato

Proceedings of the IEEE Global Communications Conference, 2022