29 citations · 79 across the 15 of their papers we have counts for
15 papers
WiLoc: Massive Measured Dataset of Wi-Fi Channel State Information with Application to Machine-Learning Based Localization
Yuning Zhang, Lei Chu, Omer Gokalp Serbetci +2
Localization is a key component of the wireless ecosystem. Machine learning (ML)-based localization using channel state information (CSI) is one of the most popular methods for ach…
Ultra-Wideband Double-Directional Channel Measurements and Statistical Modeling in Urban Microcellular Environments for the Upper-Midband/FR3
Naveed A. Abbasi, Kelvin Arana, Siddhant Singh +7
The upper midband, designated as Frequency Range 3 (FR3), is increasingly critical for the next-generation of wireless networks. Channel propagation measurements and their statisti…
An Ultra-Wideband Study of Vegetation Impact on Upper Midband / FR3 Communication
Naveed A. Abbasi, Tathagat Pal, Kelvin Arana +5
Growing demand for high data rates is driving interest in the upper mid-band (FR 3) spectrum (6-24 GHz). While some propagation measurements exist in literature, the impact of vege…
Ultra-wideband Double-Directionally Resolved Channel Measurements of Line-of-Sight Microcellular Scenarios in the Upper Mid-band
Naveed A. Abbasi, Kelvin Arana, Jorge Gomez-Ponce +7
The growing demand for higher data rates and expanded bandwidth is driving the exploration of new frequency ranges, including the upper mid-band spectrum (6-24 GHz), which is a pro…
Large-scale Outdoor Cell-free mMIMO Channel Measurement in an Urban Scenario at 3.5 GHz
Yuning Zhang, Thomas Choi, Zihang Cheng +14
The design of cell-free massive MIMO (CF-mMIMO) systems requires accurate, measurement-based channel models. This paper provides the first results from the by far most extensive ou…
Cell-free massive MIMO Channels in an Urban Environment -- Measurements and Channel Statistics
Yuning Zhang, Thomas Choi, Zihang Cheng +4
Cell-free massive MIMO (CF-mMIMO), where each user equipment (UE) is connected to multiple access points (APs), is emerging as an important component for 5G and 6G cellular systems…
Site-Specific Radio Channel Representation for 5G and 6G
Thomas Zemen, Jorge Gomez-Ponce, Aniruddha Chandra +9
A site-specific radio channel representation (SSCR) takes the surroundings of the communication system into account by considering the environment geometry, including buildings, ve…
THz Band Channel Measurements and Statistical Modeling for Urban Microcellular Environments
Naveed A. Abbasi, Jorge Gomez-Ponce, Revanth Kondaveti +7
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 t…
Energy Efficiency of Uplink Cell-Free Massive MIMO With Transmit Power Control in Measured Propagation Channel
Thomas Choi, Masaaki Ito, Issei Kanno +5
Cell-free massive MIMO (CF-mMIMO) provides wireless connectivity for a large number of user equipments (UEs) using access points (APs) distributed across a wide area with high spec…
THz Band Channel Measurements and Statistical Modeling for Urban D2D Environments
Naveed A. Abbasi, Jorge Gomez-Ponce, Revanth Kondaveti +6
THz band is envisioned to be used in 6G systems to meet the ever-increasing demand for data rate. However, before an eventual system design and deployment can proceed, detailed cha…
Using a Drone Sounder to Measure Channels for Cell-Free Massive MIMO Systems
Thomas Choi, Jorge Gomez-Ponce, Colton Bullard +5
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. This i…
Air-to-Ground Directional Channel Sounder With 64-antenna Dual-polarized Cylindrical Array
Jorge Gomez Ponce, Thomas Choi, Naveed A. Abbasi +7
Unmanned Aerial Vehicles (UAVs), popularly called drones, are an important part of future wireless communications, either as user equipment that needs communication with a ground s…
Experimental Investigation of Frequency Domain Channel Extrapolation in Massive MIMO Systems for Zero-Feedback FDD
Thomas Choi, François Rottenberg, Jorge Gomez-Ponce +4
Estimating downlink (DL) channel state information (CSI) in frequency division duplex (FDD) massive multi-input multi-output (MIMO) systems generally requires downlink pilots and f…
Channel Extrapolation for FDD Massive MIMO: Procedure and Experimental Results
Thomas Choi, François Rottenberg, Jorge Gomez-Ponce +4
Application of massive multiple-input multiple-output (MIMO) systems to frequency division duplex (FDD) is challenging mainly due to the considerable overhead required for downlink…
Enable Super-resolution Parameter Estimation for Mm-wave Channel Sounding
Rui Wang, C. Umit Bas, Zihang Cheng +14
This paper investigates the capability of millimeter-wave (mmWave) channel sounders with phased arrays to perform super-resolution parameter estimation, i.e., determine the paramet…