Joint Resource Allocation to Transparently Integrate 5G TDD Uplink with Time-Aware TSN
Laura Becker, Yash Deshpande, Wolfgang Kellerer

TL;DR
This paper presents a joint resource allocation method for integrating 5G TDD uplink with TSN, ensuring deterministic communication and improved resource efficiency in industrial mobility scenarios.
Contribution
It introduces a heterogeneous radio resource scheduler that combines static and dynamic scheduling to support time-sensitive TSN flows over 5G uplink.
Findings
Supports diverse TSN flows with deadline-aware scheduling.
Improves resource efficiency by 28% over baseline.
Maintains reliability while increasing throughput for non-deterministic flows.
Abstract
To enable mobility in industrial communication systems, the seamless integration of 5G with Time-Sensitive Networking (TSN) is a promising approach. Deterministic communication across heterogeneous 5G-TSN systems requires joint scheduling between both domains. A key prerequisite for time-aware end-to-end scheduling is determining the forwarding delay for each TSN Traffic Class at every bridge, referred to as Bridge Delay (BD). Hence, to integrate 5G as a transparent TSN bridge, the 5G BD must be determined and guaranteed. Unlike wired bridges, the 5G BD relies on wireless resource management characteristics, such as the Time Division Duplex pattern and radio resource allocation procedure. In particular, traditional Uplink (UL) schedulers are optimized for throughput but often fail to meet the deadline requirements. To address this challenge, we propose a heterogeneous radio resource…
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Taxonomy
TopicsNetwork Time Synchronization Technologies · Software-Defined Networks and 5G · Advanced Optical Network Technologies
