Evaluating cross-connection fronthaul redundancy schemes for segmented user-centric distributed massive MIMO under limited capacity links

Jorge G. S. Costa, Yasmim K. C. Costa, Juan F. M. Oliveira, André Fernandes, Andre Mendes Cavalcante, Joao Weyl Costa

DOI: 10.14209/sbrt.2024.1571032551

Evento: XLII Simpósio Brasileiro de Telecomunicações e Processamento de Sinais (SBrT2024)

Keywords: Cell-free massive MIMO Segmented fronthaul Cross-connection redundancy scheme Fronthaul limitations

Abstract

User-centric (UC) distributed massive multiple-input multiple-output (MIMO), also known as cell-free massive MIMO, is a technology designed to maximize user spectral efficiency (SE) and ensure uniform coverage in 6G systems. One way to reduce the deployment complexity of these networks is a segmented fronthaul implementation, which may introduce reliability issues that are compensated in the literature through protection schemes. This paper evaluates cross-connection fronthaul redundancy schemes under limited capacity links. Our findings enhance the understanding of cross-connection schemes, extending what is presented in the literature in limited fronthaul environments.

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