Secondary Carrier Activation Timing Segmentation
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Solution Overview
Problem
The complexity of controlling primary and secondary carriers in LTE systems supporting carrier aggregation necessitates a detailed procedure for activating secondary carriers, as existing methods fail to ensure error-free activation operations.
Innovation Solution
A method is introduced where secondary carrier activation operations are categorized into two groups executed at different timings, involving a transceiver and controller in the UE to receive activation information, perform immediate operations, and subsequent operations based on specific timing checks.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If carrier aggregation technique is used to increase data rate by aggregating multiple carriers, then the data rate increases, but the control complexity increases
Solution Approach 1:
The patent segments the control procedures for secondary carrier activation into two distinct groups: first operations executed at a first timing and second operations executed at a second timing. This segmentation divides the complex activation control into manageable parts, reducing control complexity while enabling the use of multiple carriers for increased data rate
2Reliability
If detailed procedures are specified for activating secondary carriers, then activation accuracy improves, but the procedure complexity increases
Solution Approach 1:
The activation procedure is segmented into two timing groups with clearly defined operations for each. First operations include receiving activation information and checking first timing, while second operations include checking second timing and executing corresponding actions. This structured segmentation improves activation accuracy by ensuring no step is missed, while keeping the procedure manageable through clear organization
Solution Approach 2:
The patent performs preliminary timing checks before executing activation operations. The UE checks the first timing before performing first operations and checks the second timing before performing second operations. This preliminary verification ensures that activation occurs at appropriate moments, improving reliability without adding excessive procedural complexity
Data Source
AI summary
The present invention proposes a method for activating secondary carriers in addition to the primary carrier in a wireless communication system supporting carrier aggregation technology. Through the present invention, the UE sorts the operations for activating an SCell into two groups that are executed at different timings, thereby facilitating communication without malfunctioning.