@inproceedings{aae373cf60fd469b8bbe7129bdabe059,
title = "SDAP-based QoS Flow Multiplexing Support in Simu5G for 5G NR Simulation",
abstract = "The Service Data Adaptation Protocol (SDAP) plays a central role in 5G New Radio (NR), acting as a bridge between the core and radio networks, by enabling QoS Flow multiplexing over shared Data Radio Bearers (DRBs). However, most 5G simulation frameworks, including the popular OMNet++-based Simu5G, lack SDAP support, limiting their ability to model realistic QoS behavior. This paper presents a modular, standards-compliant SDAP extension for Simu5G. The implementation includes core elements such as QoS Flow Identifer (QFI) flow tagging, SDAP header insertion/removal, and configurable logical DRB mapping. The proposed design supports multi-QFI simulation scenarios and enables researchers to model differentiated QoS flows and flow-aware scheduling policies. Validation results confirm correct SDAP behavior and pave the way for advanced 5G simulations involving per-flow isolation, latency-sensitive traffic, and industrial QoS profiles.",
keywords = "5G NR, DRB, Network Simulation, OMNeT++, QoS Flow, SDAP, Simu5G Extension",
author = "Mohamed Seliem and Utz Roedig and Cormac Sreenan and Dirk Pesch",
note = "Publisher Copyright: {\textcopyright} 2025 IEEE.; 30th IEEE International Workshop on Computer Aided Modeling and Design of Communication Links and Networks, CAMAD 2025 ; Conference date: 14-10-2025 Through 16-10-2025",
year = "2025",
doi = "10.1109/CAMAD67323.2025.11229920",
language = "English",
series = "IEEE International Workshop on Computer Aided Modeling and Design of Communication Links and Networks, CAMAD",
publisher = "Institute of Electrical and Electronics Engineers Inc.",
booktitle = "2025 IEEE 30th International Workshop on Computer Aided Modeling and Design of Communication Links and Networks, CAMAD 2025",
address = "United States",
}