User Equipment Bearer Setup for Pre-authorized Services
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Solution Overview
Problem
The existing LTE system faces inefficiencies in Quality of Service (QoS) management, particularly in setting up new data bearers, which results in high signaling overheads and latency due to the need for multiple network interactions and lack of fine-grained QoS differentiation across EPS bearers.
Innovation Solution
User equipment (UE) obtains pre-authorized QoS information, allowing it to directly request bearer setup from the access network for pre-authorized services, reducing the need for core network participation and enabling efficient QoS parameter configuration for data flows with the same attributes to share a single bearer.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a dedicated EPS data bearer is set up for each new data flow, then QoS control is ensured, but signaling overheads increase and latency is caused
Solution Approach 1:
The patent merges multiple data flows with identical QoS attributes into a single EPS bearer, eliminating the need to establish separate bearers for each flow. The network device groups data flows based on matching QoS parameters (priority, bandwidth, delay requirements) and allocates one bearer to handle multiple flows, thereby reducing signaling overhead and setup time while preserving QoS guarantees.
Solution Approach 2:
The patent makes a single EPS bearer universal by enabling it to serve multiple data flows simultaneously. Instead of dedicating one bearer per flow, the bearer is designed to handle multiple flows that share the same QoS characteristics, making the bearer a multi-functional resource that improves system efficiency without compromising service quality.
2Productivity
If multiple data flows are mapped onto one EPS bearer, then signaling overheads are reduced, but QoS differentiation is not performed on data flows in the same bearer
Solution Approach 1:
The patent applies local quality by ensuring that QoS differentiation is maintained at the data flow level through precise parameter matching. Each data flow is evaluated against specific QoS criteria (priority level, bandwidth requirements, delay tolerance), and only flows with identical local QoS characteristics are grouped together. This allows fine-grained QoS control within the bearer while still achieving consolidation benefits.
3Reliability
If signaling interaction is performed multiple times between UE and network for bearer setup, then QoS requirements are met, but latency increases for latency-sensitive services
Solution Approach 1:
The patent implements preliminary action by pre-establishing EPS bearers with appropriate QoS parameters before data flows need to be transmitted. The network device proactively creates bearers based on predicted or pre-configured QoS requirements, so when data flows arrive, they can be immediately mapped to existing bearers without triggering additional setup signaling. This eliminates setup latency for latency-sensitive services while ensuring QoS requirements are already satisfied.
Data Source
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AI summary
The present invention discloses a wireless communication method, user equipment, and an access network device. The method includes: when user equipment UE needs to transmit an uplink first data flow, if the first data flow is a new data flow and the first data flow belongs to a service pre-authorized to the UE, sending, by the UE, a bearer setup request to an access network device; and receiving, by the UE, a bearer setup response sent by the access network device, where the bearer setup response includes a bearer identifier, and the bearer identifier is an identifier of a bearer that is set up. For a pre-authorized service, the UE may directly request an access network to set up a bearer for the pre-authorized service. Compared with the prior art, a QoS authorization process may be omitted, and bearer setup does not require participation of a core network, so that bearer setup time is reduced, and data sending latency is shortened.