UE Movement Reporting in RRC Connection Setup
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Solution Overview
Problem
In heterogeneous wireless communication networks, the inability to acquire movement information of User Equipments (UEs) before they switch into a connection state hinders timely optimization of parameter configurations, leading to adverse effects on communication performance, especially for UEs moving at high speeds.
Innovation Solution
The method involves UEs reporting movement information, including first and second movement information, to network-side devices immediately upon switching from an idle state to a connection state, allowing for quicker parameter configuration optimization and preventing communication performance degradation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the network side waits until after the UE has been switched into a connection state for a period of time to acquire movement information, then the UE can establish connection first, but the parameter configuration cannot be optimized in time, adversely affecting communication performance
Solution Approach 1:
The UE reports movement information in the RRC connection setup complete message, which is transmitted immediately after the UE switches into the connection state. This preliminary reporting allows the network side to acquire movement information without delay, enabling timely parameter configuration optimization and avoiding the time loss associated with waiting for subsequent measurement reports.
2Stability of the object's composition
If the TTT is longer for cell switching, then the switching procedure is more stable, but for high-speed UEs the cell switching may be later, resulting in wireless link failure
Solution Approach 1:
The network side dynamically adjusts the TTT parameter based on the UE's movement information (speed state) reported in the RRC connection setup complete message. For high-speed UEs, the network configures a shorter TTT to enable faster cell switching, while for low-speed UEs, a longer TTT maintains switching stability. This dynamic adjustment resolves the contradiction between switching stability and switching speed.
3Productivity
If the network optimizes parameter configuration based on UE movement information, then communication performance is improved, but the network must acquire movement information timely, which is not possible with traditional delayed reporting methods
Solution Approach 1:
The UE includes movement information in the RRC connection setup complete message, which is transmitted immediately after connection establishment. This preliminary action eliminates the time delay inherent in traditional methods where movement information was only available after the UE had been in the connection state for a period of time, enabling immediate parameter configuration optimization.
Solution Approach 2:
The UE provides feedback about its movement information (such as speed state or mobility status) to the network side through the RRC connection setup complete message. This feedback mechanism enables the network to understand the UE's movement characteristics and configure appropriate parameters, improving communication performance while eliminating the time delay associated with waiting for subsequent measurement reports.
Data Source
AI summary
The present disclosure provides a method, a system and a device for reporting movement information. The method includes steps of determining, by the UE, that the UE is being or has been switched from an idle state into a connection state; and reporting, by the UE, movement information of the UE to a network-side device.