Radio Bearer Multi-Path Relay Configuration for Primary Path Selection
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Solution Overview
Problem
Existing solutions fail to effectively configure multi-path transmission in multi-path relay communication scenarios, which can enhance data throughput and reliability by utilizing both direct and indirect links.
Innovation Solution
A communication method that involves sending indication information to configure multi-path transmission for a radio bearer, associating it with both direct and indirect links, and determining the primary path based on link type, using RLC bearers and GTP-U tunnels to establish and maintain multiple transmission paths.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If multi-path transmission is configured for radio bearer, then data throughput and reliability are improved, but system complexity and configuration difficulty increase
Solution Approach 1:
The patent segments the transmission path into distinct direct link and indirect link components, each with separate configuration parameters. The radio bearer is divided into multiple path configurations that can be independently managed, allowing complex multi-path transmission to be broken down into manageable segments that improve throughput without overwhelming system complexity
Solution Approach 2:
The patent implements dynamic path selection and configuration mechanisms where the system can adaptively adjust which paths are active based on current network conditions. This dynamic approach allows the system to achieve high throughput when conditions permit while reducing complexity by deactivating unnecessary paths when conditions deteriorate
2Reliability
If multi-path transmission with PDCP duplication is configured, then transmission reliability is improved, but transmission overhead and resource consumption increase
Solution Approach 1:
The patent changes the PDCP layer parameters to enable duplication only when reliability requirements are high, while allowing single-path transmission when overhead must be minimized. By dynamically adjusting PDCP configuration parameters based on service type and network conditions, the system achieves high reliability for critical data while reducing transmission overhead for less critical data
3Adaptability or versatility
If multiple transmission paths are established, then transmission flexibility and adaptability are improved, but configuration complexity and management difficulty increase
Solution Approach 1:
The patent introduces an intermediary configuration mechanism that mediates between the complexity of multi-path setup and the user's operational simplicity. This intermediary layer handles the complex path configuration, association, and management tasks automatically, while presenting a simplified interface to users, thus achieving high transmission flexibility without increasing operational difficulty
Data Source
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AI summary
This application discloses a communication method and a communication apparatus. This application may be applied to a multi-path relay scenario. The method includes: sending a first message, where the first message includes first indication information, and the first indication information indicates to configure multi-path transmission for a first radio bearer of first user equipment UE and indicates that the first radio bearer is associated with a direct link and an indirect link; and receiving a second message, where the second message includes second indication information, the second indication information indicates that a primary path corresponding to the first radio bearer is included in a first link, and the first link is a direct link or an indirect link associated with the first radio bearer. The first indication information indicates to configure multi-path transmission for the first radio bearer of the first UE and indicates that the first radio bearer is associated with the direct link and the indirect link. This can resolve a problem of how to configure multi-path transmission for a radio bearer in a multi-path relay communication scenario.