Mobility Control Information for Signalling Load Reduction
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Solution Overview
Problem
The existing radio communication systems face excessive signalling and processing loads due to mobility events such as active mode handovers and idle mode movements of user equipment, leading to inefficient resource allocation and potential service degradation, especially when transitioning between different radio access technologies or networks with varying coverage.
Innovation Solution
A method and arrangement that involve obtaining and generating mobility control information based on the user equipment's history of cell visits, which is then used to optimize handover and camping strategies, reducing unnecessary signalling and processing by identifying non-preferred cells and coverage holes, and dynamically managing neighbour relations and priorities.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If mobility events (handovers and idle mode movements) are handled using traditional signalling procedures, then user equipment can maintain connectivity and move between cells, but the signalling load and processing requirements on the radio communication system become excessively high
Solution Approach 1:
The system performs preliminary analysis of mobility history data to generate mobility control information before handover events occur. This pre-computed information includes identified non-preferred cells and coverage holes, allowing the network to make faster handover decisions without extensive real-time signalling processing
Solution Approach 2:
A mobility history analysis function acts as an intermediary between the radio access network and the core network. This function processes mobility history data and generates mobility control information that reduces the signalling burden on the core network during actual handover events
2Adaptability or versatility
If user equipment frequently transitions between different radio access technologies or networks with varying coverage, then service continuity can be maintained, but resource allocation becomes inefficient and service degradation occurs
Solution Approach 1:
The system implements feedback mechanisms where mobility history data is continuously collected and analyzed. The generated mobility control information feeds back into the handover decision process, enabling the network to learn from past mobility patterns and optimize resource allocation for future handovers, thereby improving efficiency while maintaining service continuity
Data Source
AI summary
Mobility history relating to a plurality of cells visited by the user equipment (130) is obtained (210) from the first radio network node (120), Next, mobility control information (120) is generated (220) based on the mobility history. Further, the mobility control information is provided (240, 245) to the radio communication system (100), Moreover, a first radio network node (120) for enabling a network node (110, 150, 160, 170, 180) to generate mobility control information to be used by the radio network node (120) for managing signalling and processing due to mobility events in a radio communication system (100) is provided. The first radio network node (120) collects (260) mobility history relating to a user equipment connected to the first radio network node (120). The first radio network node (120) sends (210) the mobility history to the network node (110), and receives (240) from the network node (110) mobility control information associated with the first radio network node (120).