PDU Session QoS Negotiation for Dynamic Service Matching
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Solution Overview
Problem
Existing 5G communication technologies face challenges in accurately meeting variable and complex user service requirements due to network-assigned Quality of Service (QoS) parameters not aligning with actual terminal device needs, leading to suboptimal user experience.
Innovation Solution
A session establishment method where a terminal device determines QoS parameter information based on service requirements and communicates this to a network-side device, which adjusts and responds with appropriate QoS parameters to ensure alignment with actual service needs, enabling dynamic QoS adjustments through PDU session establishment and modification.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the network determines QoS parameters unilaterally, then the network can simplify session establishment control, but the QoS parameters may not meet the actual service requirements of the terminal device
Solution Approach 1:
The patent enables dynamic QoS parameter adjustment by allowing the terminal device to request QoS parameters and the network to modify them based on actual service requirements. The session management function device can update QoS parameters during the session lifecycle, transforming the static network-determined approach into a dynamic negotiation process that adapts to changing service needs.
Solution Approach 2:
The patent implements a feedback mechanism where the terminal device provides information about its service requirements to the network, and the network adjusts QoS parameters based on this feedback. The session establishment request includes terminal-determined QoS parameters, and the network can request modifications, creating a closed-loop feedback system that improves QoS parameter accuracy.
2Manufacturing precision
If the terminal device determines QoS parameters based on service requirements, then the QoS parameters can accurately match actual service needs, but the session establishment process becomes more complex
Solution Approach 1:
The session management function device acts as an intermediary that simplifies the QoS parameter determination process for the terminal device. Instead of requiring the terminal to independently calculate and determine QoS parameters, the terminal can include its service requirements in the session establishment request, and the session management function device facilitates the QoS parameter negotiation and adjustment process.
3Device complexity
If QoS parameters are fixed during session establishment, then the session establishment process is simplified, but the system cannot adapt to variable and complex user service requirements
Solution Approach 1:
The patent transforms the static QoS parameter assignment into a dynamic process that can adapt to changing service requirements. The terminal device can request QoS parameter adjustments during the session, and the network can modify parameters based on actual service needs, enabling the system to adapt to variable and complex user requirements while maintaining manageable process complexity.
Data Source
AI summary
A session establishment method, a terminal device, a network-side device, and a storage medium are disclosed. The method may include: determining first Quality of Service (QOS) parameter information according to a service requirement; sending, to a network-side device, a Protocol Data Unit (PDU) session establishment request carrying the first QoS parameter information, such that the network-side device determines second QoS parameter information according to the first QoS parameter information, and generates a PDU session establishment response according to the second QoS parameter information; and receiving the PDU session establishment response returned by the network-side device, and establishing a PDU session.