no code implementations • 31 May 2024 • Yuning Zhang, Thomas Choi, Zihang Cheng, Issei Kanno, Masaaki Ito, Jorge Gomez-Ponce, Hussein Hammoud, BoWei Wu, Ashwani Pradhan, Kelvin Arana, Pramod Krishna, Tianyi Yang, Tyler Chen, Ishita Vasishtha, Haoyu Xie, Linyu Sun, Andreas F. Molisch
The design of cell-free massive MIMO (CF-mMIMO) systems requires accurate, measurement-based channel models.
no code implementations • 3 Dec 2021 • Naveed A. Abbasi, Jorge Gomez-Ponce, Revanth Kondaveti, Ashish Kumar, Eshan Bhagat, Rakesh N S Rao, Shadi Abu-Surra, Gary Xu, Charlie Zhang, Andreas F. Molisch
The THz band (0. 1-10 THz) has attracted considerable attention for next-generation wireless communications, due to the large amount of available bandwidth that may be key to meet the rapidly increasing data rate requirements.
no code implementations • 28 Sep 2021 • Naveed A. Abbasi, Jorge Gomez-Ponce, Revanth Kondaveti, Shahid M. Shaikbepari, Shreyas Rao, Shadi Abu-Surra, Gary Xu, Charlie Zhang, Andreas F. Molisch
In this paper, we present a first extensive set of channel measurements for urban outdoor environments that are ultra-wideband (1 GHz 3dB bandwidth), and double-directional where both the transmitter and receiver are at the same height.
2 code implementations • 23 May 2021 • Thomas Choi, Jorge Gomez-Ponce, Colton Bullard, Issei Kanno, Masaaki Ito, Takeo Ohseki, Kosuke Yamazaki, Andreas F. Molisch
Measurements of the propagation channel form the basis of all realistic system performance evaluations, as foundation of statistical channel models or to verify ray tracing.
no code implementations • 24 Mar 2020 • Thomas Choi, François Rottenberg, Jorge Gomez-Ponce, Akshay Ramesh, Peng Luo, Jianzhong Zhang, Andreas F. Molisch
Estimating downlink (DL) channel state information (CSI) in frequency division duplex (FDD) massive multi-input multi-output (MIMO) systems generally requires downlink pilots and feedback overheads.