Experimental Analysis of Multipath Characteristics in Indoor Distributed Massive MIMO Channels

no code implementations • 16 Apr 2025 • YingJie Xu, Xuesong Cai, Sara Willhammar, Fredrik Tufvesson

The findings serve as a valuable reference for understanding MPC propagation behavior, which is necessary for accurate modeling of indoor distributed massive MIMO channels.

Interacting Object-Enabled Clustering and Characterization of Distributed MIMO Channels

no code implementations • 16 Apr 2025 • YingJie Xu, Michiel Sandra, Xuesong Cai, Sara Willhammar, Fredrik Tufvesson

Multi-link channels are measured at 50 positions along a 12-meter user route.

Clustering

A Measurement-Based Spatially Consistent Channel Model for Distributed MIMO in Industrial Environments

no code implementations • 17 Dec 2024 • Christian Nelson, Sara Willhammar, Fredrik Tufvesson

Based on the results, a channel model for D-MIMO in industrial environments is presented together with a recipe for its implementation.

Spatial separation of closely-spaced users in measured distributed massive MIMO channels

no code implementations • 27 Nov 2024 • YingJie Xu, Michiel Sandra, Xuesong Cai, Sara Willhammar, Fredrik Tufvesson

Furthermore, the dirty-paper coding (DPC) capacity and zero forcing (ZF) precoding sum-rate capacities are investigated across varying numbers of antennas and their topologies.

Fairness

Achieving Distributed MIMO Performance with Repeater-Assisted Cellular Massive MIMO

no code implementations • 31 May 2024 • Sara Willhammar, Hiroki Iimori, Joao Vieira, Lars Sundström, Fredrik Tufvesson, Erik G. Larsson

In what ways could cellular massive MIMO be improved?

Diversity