UPF Control Message Protocol for 5G Service Subscription
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Solution Overview
Problem
Current 5G mobile communication systems face challenges in efficiently providing services and managing the increasing number of connected devices, particularly in supporting advanced services like Augmented Reality, Virtual Reality, and metaverse applications, which require enhanced network functions and complex operations beyond the capabilities of user equipment (UE).
Innovation Solution
The introduction of a method and apparatus that enable network functions (NFs) and user plane functions (UPFs) to communicate through a new protocol, the UPF control message protocol (UCMP), allowing NFs to request and UPFs to provide services, with the UPF performing services based on received requests and transmitting results back to NFs, facilitating efficient service management and subscription processes.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If 5G mobile communication systems support advanced services like AR, VR, and metaverse applications, then service capability and functionality are improved, but system complexity and operational difficulty increase
Solution Approach 1:
The patent segments network functions into separate NFs and UPFs with distinct responsibilities. The NF handles service logic and control, while the UPF handles data plane functions. This segmentation allows each component to be optimized independently, reducing overall system complexity while maintaining advanced service capabilities.
Solution Approach 2:
The patent introduces a standardized interface protocol as an intermediary between NFs and UPFs. This protocol simplifies communication by providing a uniform message format and interaction pattern, reducing the complexity of direct integrations between different network functions.
2Quantity of substance
If the number of connected devices increases exponentially, then network coverage and connectivity are improved, but management complexity and operational difficulty increase
Solution Approach 1:
The patent implements self-service mechanisms where NFs automatically discover available UPFs and subscribe to services without manual configuration. The standardized interface enables automatic service registration, resource allocation, and communication setup, reducing management complexity as the number of devices grows.
Solution Approach 2:
The patent creates a universal interface protocol that can handle multiple service types and device categories through a single standardized message format. This multi-functionality allows the system to manage diverse connected devices uniformly, reducing management complexity despite the increasing quantity of devices.
3Adaptability or versatility
If network functions virtualize and service-based architecture is implemented, then system flexibility and adaptability are improved, but communication overhead and processing complexity increase
Solution Approach 1:
The patent merges service discovery, service registration, and communication establishment into a single standardized interface protocol. This consolidation reduces communication overhead by eliminating multiple separate interaction steps while maintaining the flexibility of virtualized network functions.
Solution Approach 2:
The patent optimizes communication parameters through the standardized interface protocol, including message formatting, data types, and transmission protocols. These parameter optimizations reduce processing complexity and communication overhead while preserving system flexibility for various service scenarios.
Data Source
AI summary
The disclosure relates to a 5th generation (5G) communication system or a 6th generation (6G) communication system for supporting higher data transmission rates. A method is provided for a user plane function (UPF) in a wireless communication system. The method includes receiving, from a network function (NF), a first UPF control message protocol (UCMP) message requesting a service, wherein the first UCMP protocol message is generated by the NF; performing the service based on the first UCMP protocol message; generating a second UCMP protocol message including a result of the performed service; and transmitting, to the NF, the second UCMP protocol message