Wireless Neighbor Cell List Update via New Cell Detection
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing neighbor cell list update methods struggle to promptly and reliably add new wireless cells to the list, especially when they appear due to changes in geographical range or base station status, leading to potential handover issues and quality deterioration.
Innovation Solution
A wireless communication system with a new cell detection unit that identifies new cells and a neighbor cell list generation unit that preferentially registers these new cells based on report numbers or rate of increase, ensuring timely inclusion in the neighbor cell list.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If existing neighbor cell list update methods are used, then the system operates with established procedures, but new cells are not promptly added to the neighbor cell list
Solution Approach 1:
The patent applies preliminary action by proactively detecting new cells through measurement reports from mobile terminals before they are needed for handover. The base station identifies new cells by analyzing measurement reports that contain cell IDs and signal strengths, and pre-adds them to the neighbor cell list. This advance detection and addition ensures that when handover becomes necessary, the new cell is already available in the neighbor cell list, eliminating delays and ensuring reliable handover.
2Device complexity
If the neighbor cell list is strictly controlled with existing cells only, then the list management is simple, but new cells cannot be included timely
Solution Approach 1:
The patent applies dynamics by making the neighbor cell list adaptive and dynamic rather than static. The base station continuously monitors measurement reports from mobile terminals and dynamically updates the neighbor cell list by adding newly detected cells. This dynamic approach allows the neighbor cell list to automatically adapt to changing network conditions and new cell appearances without requiring manual intervention or complex reconfiguration, thereby improving adaptability while maintaining manageable complexity through automated procedures.
3Reliability
If new cells are added preferentially based on detection, then handover to new cells is enabled, but the selection criteria for addition needs to be established
Solution Approach 1:
The patent applies feedback by utilizing measurement reports from mobile terminals as the basis for detecting and adding new cells to the neighbor cell list. Mobile terminals continuously measure signal strengths of neighboring cells and report these measurements to the base station. The base station uses this feedback information to identify new cells (by comparing cell IDs against the existing neighbor cell list) and adds them preferentially. This feedback-driven approach ensures that only cells with actual signal presence are added, improving handover reliability while keeping the selection logic straightforward through automated report analysis.
Data Source
Figure 1~2
Figure 3
Figure 4
AI summary
The present invention is applicable to a wireless communication system provided with mobile terminals and base stations that manage cells to which the mobile terminals are connected. The wireless communication system of the present invention has a new cell detection unit that detects, from among neighbor cells which are adjacent to the cells to which the mobile terminals are connected, new cells that have newly started or whose operation has resumed or whose geographical range has changed, and a neighbor cell list generation unit which preferentially registers new cells that have been detected by the new cell detection unit in neighbor cell lists in which are registered neighbor cells that are candidates for handover destinations of the mobile terminals.