Coverage and Capacity Analysis for Football Player's Bodycam with Cell-Free Massive MIMO
Rizqi Hersyandika (Katholieke Universiteit Leuven)
Marco Rossanese (NEC Laboratories Europe)
Andra Lutu (Telefónica Research)
Miao Yang (Katholieke Universiteit Leuven, University of Twente)
Qing Wang (TU Delft - Embedded Systems)
Sofie Pollin (Katholieke Universiteit Leuven)
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Abstract
This paper studies a promising use case of a private 5G network for the sports industry: wearable bodycams and sensors in a football match. This use case requires a reliable and dedicated massive MIMO network to provide uniform coverage with a high capacity in the whole pitch area. The coverage of co-located and distributed (cell-free) massive MIMO, differing in the configuration of base station antenna placement inside the stadium, are evaluated through ray tracing using a 3D stadium model and players' mobility dataset. The results give insight into how distributed antennas inside the stadium should be deployed to enhance the uniform coverage of moving wearable devices. Besides that, the uplink capacity performance and the impact of channel aging on the capacity are also evaluated. The results demonstrate the advantages and disadvantages of different base station antenna distribution strategies in terms of coverage, capacity and channel aging impact.