Terminal TCI State Switching Delay Control
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Current radio communication systems face challenges in reducing the delay time for Transmission Configuration Indication (TCI) state switching, which can lead to reduced communication quality and throughput if not adequately addressed.
Innovation Solution
A terminal equipped with a receiving section for indication information on TCI state switching and a control section that determines delay time based on quasi-co-location (QCL) source reference signal information for each serving cell, enabling appropriate TCI state indication and switching.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of time
If TCI state switching is performed without considering QCL source RS information, then the switching process is simpler, but the delay time cannot be reduced and communication quality deteriorates
Solution Approach 1:
The terminal performs preliminary actions by determining the delay time for TCI state application in advance, based on QCL source RS information before actual switching occurs. This allows the terminal to prepare appropriate timing parameters ahead of time, enabling faster and more accurate TCI state switching without increasing structural complexity.
Solution Approach 2:
The invention changes the parameter of delay time determination by using QCL source RS information as the basis for calculating when the TCI state should be applied. This parameter change enables precise timing control, reducing switching delay while maintaining simple terminal structure through mathematical calculation rather than complex hardware.
2Reliability
If TCI state indication is not performed appropriately, then the system is simpler to operate, but communication quality and throughput are reduced
Solution Approach 1:
The terminal performs self-service by autonomously determining the appropriate delay time based on its own measurement of QCL source RS information. This self-determination mechanism ensures reliable TCI state indication without requiring complex external control or manual configuration, maintaining ease of operation while improving communication quality.
Solution Approach 2:
The system implements feedback by using QCL source RS information to determine the appropriate timing for TCI state application. This feedback loop ensures that the terminal adjusts its behavior based on actual signal characteristics, improving communication reliability while keeping the operation simple through automated timing adjustment.
3Manufacturing precision
If delay time for TCI state application is not determined based on QCL source RS, then the processing is faster, but the TCI state switching accuracy decreases
Solution Approach 1:
The terminal performs preliminary determination of delay time based on QCL source RS information before executing the TCI state switching. This preliminary action ensures accurate timing without requiring complex real-time processing, as the timing parameters are calculated in advance based on signal characteristics, maintaining both accuracy and processing speed.
Data Source
AI summary
A terminal according to one aspect of the present disclosure includes a receiving section that receives indication information about switching of a transmission configuration indication (TCI) state for a plurality of serving cells, and a control section that determines delay time for application of a TCI state in TCI state switching based on information related to a quasi-co-location (QCL) source reference signal (RS) in the TCI state in each serving cell of the plurality of serving cells and the indication information. According to one aspect of the present disclosure, it is possible to perform TCI state indication appropriately.