BD-RIS-Enhanced Physical Layer Network Slicing for URLLC and eMBB Services

Diana Laura Fernández Duarte, Victoria Souto, Richard Demo Souza

DOI: 10.14209/sbrt.2025.1571151162

Evento: XLIII Simpósio Brasileiro de Telecomunicações e Processamento de Sinais (SBrT2025)

Keywords:

Abstract

This paper investigates the use of Beyond-Diagonal Reconfigurable Intelligent Surfaces (BD-RIS) in 6G networks to support the coexistence of enhanced Mobile Broadband (eMBB) and Ultra-Reliable Low Latency Communications (URLLC) services, based on network slicing. Three BD-RIS architectures, Single-, Group-, and Fully-Connected, are evaluated under Heterogeneous Orthogonal Multiple Access (H-OMA) and Heterogeneous Non-Orthogonal Multiple Access (H-NOMA) schemes. The results show that the Group- and Fully-Connected architectures, when combined with optimal phase configuration, significantly expand the rate region and outperform conventional RIS.

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