AMF-Directed Sensing Service Routing for Flexible Network Deployment
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Solution Overview
Problem
Current radar-based sensing technologies are costly and inflexible, limiting their deployment in various scenarios, and there is a growing need for more versatile and cost-effective sensing solutions in mobile communication systems to support diverse sensing demands.
Innovation Solution
A method and apparatus for providing sensing services using an Access Management Function (AMF) to determine a target sensing function (SF) based on user equipment (UE) and base station identifications, enabling flexible deployment and cost-effective sensing services through network elements like access functions (AF) and policy control functions (PCF).
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If dedicated radar devices are used for sensing, then sensing precision and reliability are improved, but device cost and system complexity increase
Solution Approach 1:
The patent enables base stations and user equipment to perform both communication and sensing functions using existing communication infrastructure. The same hardware components (transmitters, receivers, signal processors) used for communication are leveraged for sensing operations, eliminating the need for dedicated radar devices while maintaining sensing capabilities.
Solution Approach 2:
The patent replicates radar-like sensing functionality using communication signals. Instead of using specialized radar hardware, the system copies the sensing function by processing communication signals (uplink and downlink) through algorithms that extract sensing information such as range, velocity, and angle of targets.
2Reliability
If dedicated radar devices are deployed, then sensing service quality is improved, but deployment flexibility and adaptability decrease
Solution Approach 1:
The communication network infrastructure is designed to serve multiple purposes - both communication and sensing. Base stations and user equipment can dynamically switch between or simultaneously perform communication and sensing tasks, providing deployment flexibility while maintaining service quality through proven communication hardware reliability.
Solution Approach 2:
The system allows dynamic allocation of resources for sensing operations. Base stations and user equipment can adaptively adjust sensing parameters, signal processing modes, and resource allocation based on real-time requirements, enabling flexible deployment across different scenarios while maintaining service quality.
3Measurement precision
If traditional radar-based sensing is used, then sensing accuracy is maintained, but cost-effectiveness and scalability worsen
Solution Approach 1:
The patent replicates radar sensing functionality using existing communication signals and infrastructure. By processing uplink and downlink communication signals through appropriate algorithms, the system achieves radar-like sensing accuracy without requiring expensive dedicated radar hardware, thereby improving cost-effectiveness and scalability.
Solution Approach 2:
The system utilizes readily available, low-cost communication devices (base stations and user equipment) instead of expensive radar systems. These communication devices are already deployed widely and can be used for sensing purposes, significantly reducing the cost barrier for sensing deployment while maintaining acceptable accuracy through signal processing techniques.
Data Source
AI summary
A method for providing a sensing service includes receiving a first sensing request by a first function, where the first sensing request is used for requesting the sensing service; determining a target second function by the first function; and sending, by the first function, a second sensing request to the target second function according to the first sensing request.