5G ProSe Policy Provisioning via PCF for PC5 Authorization

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Solution Overview

Problem

Current systems face challenges in enabling PC5 service authorization and policy/parameter provisioning for 5G ProSe services in 5GS, as identified in 3GPP Technical Report TR 23.752.

Innovation Solution

The proposed solution involves enabling ProSe policy and parameters provisioning to a UE from a policy control function (PCF), supporting network scheduled mode operation for LTE and NR PC5 in NG-RAN systems, and configuring policies and parameters for ProSe Direct Discovery and communication.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If PC5 service authorization and policy/parameter provisioning are implemented in 5G ProSe services, then service reliability and security are improved, but system complexity and configuration overhead increase

Engineering Contradiction:
Improveservice authorization reliabilityVSAvoidsystem complexity
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The patent introduces a Policy Control Function (PCF) as an intermediary component that centralizes the management of PC5 service authorization and policy/parameter provisioning. The PCF acts as a mediator between the UE and the network, handling authorization decisions and policy distribution. This intermediary approach improves service reliability through centralized control while managing system complexity by encapsulating complex authorization logic within a dedicated network function rather than distributing it across multiple components.

Inventive Principle:
Principle #24Intermediary (Mediator)

2Reliability

If policy control function (PCF) is introduced for ProSe service authorization, then service security and authorization control are improved, but network infrastructure complexity increases

Engineering Contradiction:
Improveauthorization controlVSAvoidnetwork infrastructure complexity
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The Policy Control Function (PCF) is designed as a multi-functional network element that handles multiple aspects of ProSe service management including authorization, policy distribution, and parameter provisioning. By consolidating these functions into a single universal component, the patent improves authorization control while avoiding the need to implement separate dedicated systems for each function, thereby managing network infrastructure complexity through functional consolidation rather than proliferation of separate components.

Inventive Principle:
Principle #6Universality (Multi-functionality)

3Adaptability or versatility

If network scheduled mode operation is supported for LTE and NR PC5, then service versatility and adaptability are improved, but operational complexity and resource management burden increase

Engineering Contradiction:
Improveservice versatilityVSAvoidoperational complexity
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The patent implements dynamic resource allocation and scheduling mechanisms for network scheduled mode operation in both LTE and NR PC5. The system dynamically adjusts resource allocation, scheduling parameters, and operational modes based on real-time network conditions, service requirements, and UE capabilities. This dynamic approach enables versatile support for multiple service types and scenarios while managing operational complexity through adaptive resource management rather than static rigid configurations.

Inventive Principle:
Principle #15Dynamics

Data Source

PatentUS12238639B2Enabling fifth-generation proximity services in fifth-generation systems
Publication Date: 2025.02.25 INTEL CORP
  • US12238639B2 patent drawing
  • US12238639B2 patent drawing
  • US12238639B2 patent drawing

AI summary

Systems, apparatuses, methods, and computer-readable media are provided for authorizing fifth generation (5G) proximity services (ProSe) for fifth-generation systems (5GS). Other embodiments may be described and/or claimed.