MAC CE Command for Multi-TRP TCI State Activation
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Current communication technologies lack a solution for supporting multi-Transmission Reception Point (TRP) scenarios in multi-channel transmission, where a unified Transmission Configuration Indicator (TCI) framework is needed to manage beam information across multiple TRPs.
Innovation Solution
The method involves sending a Media Access Control (MAC) control element command that activates TCI states corresponding to multiple identifier information pieces, determining common beam information for multiple channels, enabling multi-channel transmission across multiple TRPs by configuring joint or separate TCI modes for each TRP.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If a same beam is used for multi-channel transmission, then transmission efficiency is improved, but it only supports a single TRP scenario and cannot support multi-TRP scenarios
Solution Approach 1:
The patent segments the unified TCI framework into multiple independent TCI state groups, where each group corresponds to a specific TRP. This allows each TRP to have its own beam configuration while maintaining the overall unified framework structure, thereby supporting multi-TRP scenarios without sacrificing transmission efficiency.
Solution Approach 2:
The patent extends the unified TCI framework to serve multiple TRPs simultaneously by introducing TRP-specific TCI state groups. The framework maintains universal applicability across different TRP configurations, enabling both single-TRP and multi-TRP scenarios to be supported through the same mechanism.
2Adaptability or versatility
If multiple TCI states are activated for multi-TRP scenarios, then TRP scenario support is improved, but system complexity increases
Solution Approach 1:
By segmenting TCI states into organized groups corresponding to different TRPs, the patent reduces the complexity of managing multiple TCI states. The grouped structure provides a systematic approach to configuration and activation, making the system more manageable despite supporting multiple TRPs.
Solution Approach 2:
The patent introduces dynamic activation mechanisms that allow the system to flexibly enable or disable specific TCI state groups based on the current TRP scenario. This dynamic approach reduces complexity by only activating necessary TCI states rather than maintaining all possible configurations simultaneously.
Data Source
AI summary
An information activation method, a network side device, and a non-transitory computer-readable storage medium are provided. The information activation method includes: sending, by a network side device, a Media Access Control Control Element (MAC CE) command. The MAC CE command includes at least two first MAC CE commands or a second MAC CE command. The first MAC CE command is used to activate a Transmission Configuration Indicator (TCI) state corresponding to one piece of first identifier information. The second MAC CE command is used to activate TCI states corresponding to at least two pieces of second identifier information. The activated TCI state is used to determine common beam information of a plurality of channels.