Base Station CU-DU Signaling for MBS Traffic Mode Configuration
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Solution Overview
Problem
The introduction of CU-DU architecture in base stations has not been accompanied by a clear method for supporting multicast broadcast service (MBS) traffic transmission.
Innovation Solution
Implementing first signaling from the CU to the DU with information about MBS traffic, enabling the DU to generate configuration information for MBS traffic transmission in either PTM or PTP mode, and subsequently transmitting this configuration back to the CU.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a user equipment camps on a frequency point without synchronization signal blocks and performs blind detection, then the user equipment can camp on the frequency point, but the power consumption increases and detection accuracy decreases
Solution Approach 1:
The network side performs preliminary action by pre-configuring indication information that tells the user equipment whether synchronization signal blocks exist on target frequency points before the user equipment performs detection. This allows the user equipment to avoid blind detection and directly access known synchronization signal blocks, thereby reducing power consumption and improving detection accuracy.
2Productivity
If the user equipment performs blind detection on frequency points, then the user equipment can camp on frequencies, but the camp speed decreases
Solution Approach 1:
The network side provides preliminary information about synchronization signal block locations through indication information. This allows user equipment to skip time-consuming blind detection processes and directly camp on frequency points by accessing known synchronization signal blocks, significantly improving camp speed and reducing time loss.
3Measurement precision
If no indication information is provided about synchronization signal blocks, then the system maintains simplicity, but the user equipment cannot accurately detect synchronization signal blocks
Solution Approach 1:
The patent introduces indication information as an intermediary element that carries synchronization signal block location information from the network side to the user equipment. This intermediary mechanism enables precise detection without requiring complex blind detection algorithms, thereby improving measurement precision while maintaining relatively simple system architecture.
Data Source
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AI summary
This application discloses an information control method and apparatus and a base station. The information control method applied to a base station includes: transmitting first signaling from a CU of the base station to a DU of the base station, where the first signaling includes information about MBS traffic, and the information about MBS traffic is used to indicate the DU that the MBS traffic is to be transmitted in a first mode; generating configuration information related to the MBS traffic in the DU; and transmitting the configuration information from the DU to the CU.