Cell Reselection List Frequency Index Allocation
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Current cell reselection methods in 3G networks lack the ability to prioritize cell selection due to the absence of frequency indices in the 3G Cell Reselection list/GPRS 3G Cell Reselection list, leading to ineffective cell reselection processes.
Innovation Solution
Establishing a method to create a cell reselection list by obtaining system messages that include frequency information from both 3G neighbor cell lists and cell reselection lists, and allocating index values in ascending order to prioritize frequency selection, ensuring that priority information can be delivered based on frequency indices.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If frequency information is included in the 3G Cell Reselection list without frequency indices, then the list can be constructed from system messages, but cell reselection cannot be performed based on priority
Solution Approach 1:
The patent applies preliminary action by pre-establishing frequency indices for frequencies in the 3G Cell Reselection list before cell reselection operations are performed. The network side allocates indices to frequencies in advance, and this index information is stored and used during subsequent cell reselection processes, enabling priority-based selection without requiring real-time index assignment.
Solution Approach 2:
The patent introduces frequency indices as an intermediary element that mediates between the frequency information in the 3G Cell Reselection list and the priority-based cell reselection function. These indices act as a mapping mechanism that allows the terminal to identify and prioritize specific frequencies during reselection, bridging the gap between raw frequency data and priority-based decision-making.
2Productivity
If the 3G Cell Reselection list is constructed without frequency indices, then the list structure is simpler, but the terminal cannot differentiate between frequencies for priority-based reselection
Solution Approach 1:
The network side performs preliminary allocation of frequency indices to frequencies in the 3G Cell Reselection list before the terminal performs cell reselection. This advance preparation enables efficient priority-based reselection operations at the terminal without requiring complex real-time index assignment logic, thus improving network operation efficiency while maintaining relatively simple terminal device structure.
3Reliability
If frequency indices are allocated to frequencies in the cell reselection list, then priority-based cell reselection becomes possible, but additional information management is required
Solution Approach 1:
Frequency indices serve as an intermediary data structure that enables reliable priority-based cell reselection while keeping information management relatively simple. The indices provide a direct mapping between frequencies and their priority levels, allowing the terminal to perform accurate reselection decisions based on stored index information without requiring complex analysis or management of frequency-priority relationships.
Data Source
AI summary
The embodiments of the present invention disclose a method for establishing a cell reselection list is provided. A network and a terminal establish frequency indexes for the cell reselection list, so that when a network side delivers an RAT and frequency priority information, the priority information may be delivered according to frequency indexes in a frequency list, thus implementing cell reselection that is based on the priority for the terminal.