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Industrial environments constitute a challenge in terms of radio propagationdue to the presence of machinery and the mobility of the different agents,especially at mmWave bands. This paper presents an experimental evaluation of aFR2 5G network deployed in an operational factory scenario at 26 GHz. Theexperimental characterization, performed with autonomous mobile robots thatself-navigate the industrial lab, leads to the analysis of the received poweralong the factory and the evaluation of reference path gain models. Theproposed assessment deeply analyzes the physical layer of the communicationnetwork under operational conditions. Thus, two different networkconfigurations are assessed by measuring the power received in the entirefactory, providing a comparison between deployments. Additionally, beammanagement procedures, such as beam recovery, beam sweeping or beam switching,are analyzed since they are crucial in environments where mobile agents areinvolved. They aim for a zero interruption approach based on reliablecommunications. The results analysis shows that beam recovery procedures canperform a beam switching to an alternative serving beam with power losses ofless than 1.6 dB on average. Beam sweeping analysis demonstrates the prevalenceof the direct component in Line-of-Sight conditions despite the strongscattering component and large-scale fading in the environment.

FR2 5G Networks for Industrial Scenarios: An Experimental Characterization and Beam Management Procedures in Operational Conditions