TRP Activation in Wireless Terminals Reducing Switching Delay
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Solution Overview
Problem
The existing wireless communication systems, particularly in new radio (NR) systems, face significant delays during the switching process of connected-state terminal devices due to the reliance on terminal measurement and reporting, leading to increased interaction of multiple signalings.
Innovation Solution
The proposed solution involves a wireless communication method where a terminal device activates or de-activates a transmission reception point (TRP) based on specific conditions, such as receiving indication information or achieving a certain channel quality threshold, to reduce switching delays and data interruptions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If terminal measurement and reporting are used for switching configuration, then switching can be supported in NR system, but switching delay is large
Solution Approach 1:
The patent applies preliminary action by having the terminal device measure and report channel quality in advance before switching is needed. The network device receives these pre-measured reports and can make switching decisions more quickly without waiting for real-time measurement, thereby reducing switching delay while maintaining reliable switching support.
2Adaptability or versatility
If multiple signalings are used for terminal measurement and reporting, then switching can be configured based on network control, but signaling interaction increases
Solution Approach 1:
The patent merges multiple signaling interactions into a more streamlined process. By combining the measurement report reception with the switching decision-making process, the network device can control switching more efficiently without requiring separate, complex signaling exchanges, thus reducing overall signaling interaction complexity while maintaining network-controlled adaptability.
3Reliability
If traditional switching process is used, then connected-state terminal switching is supported, but data interruption occurs
Solution Approach 1:
The patent applies preliminary action by having the terminal device measure and report channel quality in advance before switching is needed. The network device receives these pre-measured reports and can make switching decisions more quickly without waiting for real-time measurement, thereby reducing switching delay while maintaining reliable switching support.
Data Source
AI summary
A wireless communication method, a terminal device, and a network device are disclosed. The wireless communication method includes activating, by a terminal device, a first transmission reception point (TRP) of at least one TRP in response to a first condition being satisfied; wherein the first condition comprises at least one of: indication information that is configured to indicate activating the first TRP being received; and channel quality of the first TRP being greater than or equal to a first threshold.