Wireless Access Control Using Idle State Connection Configuration
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Solution Overview
Problem
In wireless communication systems, terminal equipment moving along a path, such as self-driving cars or drones, experiences latency due to the need for repeated connection establishment procedures, which hampers efficient mobility control and access in mobile communication systems.
Innovation Solution
A method and apparatus that store connection configuration information for terminal equipment in an idle state and reuse it for re-access, allowing service provision without re-establishing connections, and predict path changes to pre-configure connections for target cells, reducing latency and improving system efficiency.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If connection establishment procedure is performed for terminal equipment in idle state, then reliable connection can be established, but latency increases due to repeated connection setup
Solution Approach 1:
The system performs preliminary actions by maintaining connection configuration information in the idle state and pre-configuring target cells before actual data transmission is needed. This allows the terminal equipment to skip the connection establishment procedure during re-access, thereby reducing latency while maintaining connection reliability through pre-prepared configuration data.
Solution Approach 2:
The system creates and maintains copies of connection configuration information in both the serving cell and terminal equipment even when in idle state. These copied configuration parameters can be directly reused during re-access without requiring re-establishment, thus reducing access latency while ensuring connection reliability through validated configuration copies.
2Loss of time
If connection configuration information is maintained for terminal equipment in idle state, then re-access latency is reduced, but system memory and complexity increase
Solution Approach 1:
The system applies local quality by maintaining connection configuration information selectively - only for terminal equipment that meets specific criteria (such as being in idle state with predictable re-access patterns). This targeted approach reduces the overall burden on system memory and complexity while still achieving latency reduction for the relevant subset of terminal equipment.
Solution Approach 2:
The system changes parameters by dynamically adjusting whether to maintain connection configuration information based on terminal equipment state, movement patterns, and network conditions. This parameter-based control allows the system to optimize between latency reduction and complexity management by activating information maintenance only when beneficial.
3Productivity
If pre-configuration of target cells is performed, then mobility control efficiency is improved, but network signaling overhead increases
Solution Approach 1:
The system performs preliminary configuration of target cells in advance, preparing connection parameters and configuration information before terminal equipment actually needs to hand over. This preliminary action improves mobility control efficiency by eliminating setup delays during handover, while the signaling overhead is amortized over the extended period before actual use.
Solution Approach 2:
The system extracts and separates the configuration preparation phase from the actual handover execution. By taking out the configuration setup and performing it in advance during idle state, the system improves mobility efficiency during actual handover while managing signaling overhead by batching configuration operations rather than performing them in real-time during mobility events.
Data Source
AI summary
A serving cell performs a connection establishment procedure with terminal equipment, stores the connection configuration information of the terminal equipment, and maintains the connection configuration information of the terminal equipment transited to an idle state depending on a set information maintaining condition. Further, the serving cell provides a service to the terminal equipment using the connection configuration information of the terminal equipment without the connection establishment procedure when the terminal equipment in the idle state tries a re-access.