TCI State Indication for Multi-TRP Beam Management
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Conventional wireless communication systems are limited by the inability to activate multiple TCI states simultaneously, leading to inadequate beam management for diverse signal types and scenarios involving multiple TRPs, which affects diversity and multiplexing technologies.
Innovation Solution
A unified TCI state design scheme that allows for indicating different TCI states for various signal types and channel conditions, including simultaneous transmissions and multi-TRP scenarios, enabling separate beam management for control, data, and feedback signals.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If only one TCI state is activated at a time, then the system complexity is low and operation is simple, but beam management is inadequate for diverse signal types and multi-TRP scenarios
Solution Approach 1:
The patent divides the beam management into separate TCI states for different signal types (control signals, data signals, feedback signals) and different TRPs. Each TCI state can be independently activated and configured, allowing the system to manage multiple beams simultaneously without overwhelming complexity. This segmentation enables targeted beam optimization for each signal type while maintaining manageable system complexity through structured configuration.
2Reliability
If a single common beam is used for all signals, then the system is simple to operate, but it is inadequate for diversity and multiplexing technologies
Solution Approach 1:
The patent applies local quality by configuring specific TCI states for specific signal types and TRPs rather than using a uniform beam for all signals. Each TCI state is optimized for its intended purpose (e.g., control signals use one TCI state, data signals use another), enabling diversity and multiplexing technologies to function effectively. This localized optimization improves reliability while the structured configuration maintains operational simplicity.
3Productivity
If one TCI state is activated per TRP, then the configuration is simple, but it cannot support simultaneous transmissions of different signal types
Solution Approach 1:
The patent implements multi-functionality by enabling a single TRP to activate multiple TCI states simultaneously, each dedicated to different signal types. This allows one TRP to handle control signals, data signals, and feedback signals with appropriate beam configurations, supporting simultaneous transmissions. The universal activation capability increases transmission efficiency while the standardized multi-state framework keeps configuration complexity manageable.
Data Source
AI summary
Methods for indicating of TCI states and related devices are disclosed. The method comprises: indicating, respectively, a first TCI state and a second TCI state that are different from each other for a first signal transmission and a second signal transmission associated with a TRP, wherein the first signal transmission and the second signal transmission have different signal types or experience different channel conditions.