Experimental Characterization of ISAC Channel Mapping and Environment Awareness
Zhuangzhuang Cui, Rizqi Hersyandika, Haoqiu Xiong, Sofie Pollin

TL;DR
This paper experimentally investigates the relationship between sensing and communication channels in indoor millimeter-wave environments, characterizing multipath components and their physical origins to enhance ISAC system understanding.
Contribution
It provides a detailed experimental analysis of ISAC channel mapping, linking sensing data with physical environment features and demonstrating MPC recovery from sensing channels.
Findings
Communication MPCs can be explicitly recovered from sensing channels.
Dominant multipath components are associated with physical scatterers.
RCSs of key scatterers are quantified based on calibrated measurements.
Abstract
In the context of integrated sensing and communications (ISAC), this paper presents an experimental investigation of the relationship between monostatic sensing and naturally bistatic communication channels in an indoor millimeter-wave environment. We characterize the propagation channel in the joint delay--angle domain, extract dominant multipath components (MPCs) and associate them with physical scatterers in the environment, and demonstrate how communication MPCs can be explicitly recovered from sensing channels. Finally, the radar cross-sections (RCSs) of two key scatterers, namely the wall and metal plate, are obtained based on calibrated channel power and reconstructed propagation distances.
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Taxonomy
TopicsRadar Systems and Signal Processing · Indoor and Outdoor Localization Technologies · Millimeter-Wave Propagation and Modeling
