Latency-Bounded Packet Delivery in 5G Mobile Systems
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Current 3GPP 5G systems do not support deterministic communication, which is essential for time-sensitive applications requiring guaranteed packet transport with bounded latency and low packet loss, as they lack procedures for user plane data packet delivery within a defined time window.
Innovation Solution
A method is introduced to configure a quality-of-service flow within a packet data unit session in a mobile communication system with a deterministic communication profile, setting minimum and maximum latency for user plane data packets, and using delivery-related parameters like time stamps or counter values to ensure packets are processed and delivered within defined time constraints.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If current 3GPP 5G systems are used without deterministic communication support, then general mobile communication functionality is maintained, but packet delivery cannot guarantee bounded latency for time-sensitive applications
Solution Approach 1:
The patent applies preliminary action by pre-configuring quality-of-service profiles with deterministic communication parameters (minimum and maximum latency bounds) before packet transmission. The network nodes are pre-programmed with these QoS parameters, enabling them to make real-time forwarding decisions that guarantee bounded latency without ad-hoc negotiation during packet delivery.
Solution Approach 2:
The patent changes the parameter set used for packet delivery by introducing delivery-related parameters (such as time stamps, latency bounds, and deterministic communication flags) into the packet metadata. These parameters are used by network nodes to make scheduling and forwarding decisions, transforming the packet delivery mechanism from best-effort to deterministic.
2Reliability
If deterministic communication procedures are added to 3GPP systems, then latency-bounded packet delivery is enabled, but system complexity increases
Solution Approach 1:
The patent achieves universality by designing quality-of-service profiles that can handle both traditional mobile communication traffic and deterministic time-sensitive traffic through a unified framework. The same packet delivery mechanism and network infrastructure are used for all traffic types, with deterministic traffic simply requiring additional QoS parameter configuration rather than separate specialized systems.
Solution Approach 2:
The patent introduces an intermediary layer in the form of quality-of-service profiles and delivery-related parameters that mediate between the application layer requirements and the network transport layer. These intermediaries translate high-level deterministic communication requirements into actionable forwarding rules that network nodes can execute without requiring complex reconfiguration of the underlying infrastructure.
Data Source
AI summary
There are provided measures for enabling/realizing latency-bounded packet delivery in a mobile communication system, particularly in a mobile communication system (or mobile networking) being integrated in a time-sensitive communication system (or time-sensitive networking). Such measures exemplarily comprise that a quality-of-service flow within a packet data unit session in a mobile communication system is configured by a quality-of-service profile of deterministic communication based on setting information of the quality-of-service profile of deterministic communication, in which minimum required latency and maximum allowed latency for delivery of user plane data packets are defined, said quality-of-service flow being for delivery of user plane data packets including data of a time-sensitive communication system, a user plane data packet is received in the configured quality-of-service flow within the packet data unit session, and the received user plane data packet is processed in accordance with the quality-of-service profile of deterministic communication.