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20212025
most citedEnergy Efficiency of Uplink Cell-Free Massive MIMO With Transmit Power Control in Measured Propagation Channel

16 citations · 30 across the 11 of their papers we have counts for

collaborators

11 papers

eess.SP2025

CUNEC: A Path Loss Model for Urban Cell-Free Massive MIMO Networks

Thomas Choi, Yuning Zhang, Issei Kanno +2

Accurate path loss (PL) modeling is essential for evaluating and optimizing cell-free massive MIMO systems, especially in dense urban environments where traditional models fail to…

eess.SP2024

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…

eess.SP2024★ 5 cited

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…

cs.IT2023

Fairness Scheduling in User-Centric Cell-Free Massive MIMO Wireless Networks

Fabian Göttsch, Noboru Osawa, Issei Kanno +2

We consider a user-centric cell-free massive MIMO wireless network with remote radio units, each with antennas, serving user equipments (UEs). Most of the lit…

cs.IT2023

User-Centric Clustering Under Fairness Scheduling in Cell-Free Massive MIMO

Fabian Göttsch, Noboru Osawa, Yoshiaki Amano +3

We consider fairness scheduling in a user-centric cell-free massive MIMO network, where remote radio units, each with antennas, serve user equipmen…

cs.IT2022★ 1 cited

Fairness Scheduling in Dense User-Centric Cell-Free Massive MIMO Networks

Fabian Göttsch, Noboru Osawa, Takeo Ohseki +4

We consider a user-centric scalable cell-free massive MIMO network with a total of distributed remote radio unit antennas serving user equipments (UEs). Many works in the…

cs.IT2022

Overloaded Pilot Assignment with Pilot Decontamination for Cell-Free Systems

Noboru Osawa, Fabian Göttsch, Issei Kanno +4

The pilot contamination in cell-free massive multiple-input-multiple-output (CF-mMIMO) must be addressed for accommodating a large number of users. In previous works, we have inves…

cs.IT2021★ 16 cited

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…

eess.SP2021★ 1 cited

Evaluation on Energy Efficiency of UE in UL Cell-Free Massive MIMO System With Power Control Methods

Masaaki Ito, Issei Kanno, Takeo Ohseki +4

Cell-free massive multiple-input multiple-output (CF mMIMO) systems are expected to provide faster and more robust connections to user equipments (UEs) by cooperation of a massive…

eess.SP2021★ 7 cited

Uplink Energy Efficiency of Cell-Free Massive MIMO With Transmit Power Control in Measured Propagation Channels

Thomas Choi, Masaaki Ito, Issei Kanno +3

Cell-free massive MIMO (CF-mMIMO) is expected to provide reliable wireless services for a large number of user equipments (UEs) using access points (APs) distributed across a wide…

eess.SP2021

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…