Component Carrier Grouping for Simultaneous TCI State Updates
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Solution Overview
Problem
Existing wireless communication systems face inefficiencies in signal transmission and reception processes, particularly in managing component carriers (CCs) and transmission configuration indications (TCIs) across multiple access systems.
Innovation Solution
A method and apparatus for efficiently managing TCI states across component carriers (CCs) in a wireless communication system by configuring TCI states through network signaling, allowing for simultaneous updates and independent associations of TCI states for downlink and uplink, and utilizing a processor-readable medium for signal reception and transmission.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If TCI states are managed separately for each component carrier, then configuration flexibility is improved, but system complexity increases
Solution Approach 1:
The patent divides the component carriers into separate groups (first CC group and second CC group) with independent TCI state management. Each group can have its own TCI state updates and associations, allowing flexible configuration while maintaining manageable complexity through organized segmentation.
Solution Approach 2:
The patent introduces a group dimension overlaying the individual CC dimension. Instead of managing only individual CCs or all CCs uniformly, the system adds a grouping layer that enables simultaneous management at both individual and group levels, resolving the complexity-flexibility tradeoff.
2Productivity
If TCI states are updated simultaneously across all component carriers, then communication efficiency is improved, but control complexity increases
Solution Approach 1:
The patent segments component carriers into distinct groups that can be updated simultaneously within each group but independently between groups. This allows efficient batch updates while maintaining control simplicity through clear group boundaries and independent management of each group.
3Adaptability or versatility
If independent TCI state associations are configured for each component carrier, then adaptability is improved, but signaling overhead increases
Solution Approach 1:
The patent merges TCI state associations at the group level, where a single association configuration can apply to multiple component carriers within the same group. This reduces signaling overhead by eliminating redundant transmissions while preserving adaptability through group-level flexibility.
Solution Approach 2:
The patent creates universal TCI state associations that can be applied across multiple component carriers within a group. A single association definition serves multiple CCs simultaneously, reducing the total quantity of signaling required while maintaining the ability to customize associations at the group level.
Data Source
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AI summary
(EN) A method for a terminal to receive signals in a wireless communication system according to at least one of embodiments disclosed in the present specification may include: receiving information about one or more component carrier (CC) lists for configuring one or more CC groups; receiving, on a first CC, downlink control information (DCI) including transmission configuration indication (TCI) information; and simultaneously updating at least one TCI state for each of CCs belonging to a first CC group and identical to the first CC, on the basis of the TCI information included in the DCI, wherein the association between values for the TCI information and TCI states to be applied to the CCs of the first CC group may be configured through network signaling.