Beam Recovery Re-configuration via Network Node Parameters
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Solution Overview
Problem
Conventional beam recovery techniques in wireless communication systems lack efficient re-configuration methods after successful beam recovery, leading to increased overhead and slower re-configuration processes.
Innovation Solution
The proposed solution involves determining successful beam recovery parameters at a network node and transmitting these parameters to a wireless device for re-configuration, allowing for efficient re-configuration of transmission settings, such as CSI-RS resources and beam management, using RRC or MAC CE messages.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If conventional beam recovery techniques are used without efficient re-configuration methods, then beam recovery can be achieved, but overhead is increased and re-configuration process is slowed
Solution Approach 1:
The network node pre-determines successful beam recovery parameters before actual re-configuration is needed. By having parameters ready in advance (beam recovery response parameters including CSI-RS resource indicators, beam management parameters, etc.), the system eliminates the need for time-consuming parameter determination during the re-configuration process, thus improving re-configuration speed while reducing the time loss.
2Manufacturing precision
If detailed transmission parameters are transmitted for re-configuration, then re-configuration accuracy is improved, but signaling overhead is increased
Solution Approach 1:
The patent extracts and transmits only the essential beam recovery response parameters needed for successful re-configuration, rather than transmitting complete configuration sets. By selecting and transmitting only critical parameters (such as beam indicators, resource indicators, and key management parameters), the system achieves adequate re-configuration accuracy while minimizing signaling overhead.
Solution Approach 2:
Instead of transmitting full parameter sets, the network transmits parameter indicators or references that point to previously configured parameter sets. This copying approach allows the wireless device to reconstruct the full configuration by combining the transmitted indicators with stored configuration information, thereby reducing signaling overhead while maintaining re-configuration accuracy.
Data Source
AI summary
Systems, methods, and apparatus for connection re-configuration upon beam recovery are disclosed. An example method performed by a network node includes determining that a successful beam recovery has occurred with a wireless device. The network node determines one or more transmission parameters associated with the successful beam recovery, where the one or more transmission parameters are for re-configuring the wireless device. The network node transmits the one or more transmission parameters to the wireless device.