Wireless Communication PDCP Transmission Mode Switching
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Solution Overview
Problem
In carrier aggregation scenarios, existing technologies face a trade-off between resource utilization and transmission reliability, with duplicate data transmission improving reliability but leading to extremely low resource utilization.
Innovation Solution
A method and device for wireless communication that dynamically switch between duplicate data transmission mode and single link transmission mode based on channel estimation and feedback information, such as channel state and demodulation results, to balance resource utilization and reliability.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If duplicate data transmission mode is used, then transmission reliability is improved, but resource utilization deteriorates
Solution Approach 1:
The patent implements dynamic switching between duplicate data transmission mode and single link transmission mode based on real-time link quality assessment. The network device evaluates link conditions and adaptively selects the appropriate transmission mode, transforming a static system into a dynamic one that can optimize both reliability and resource utilization under different operating conditions.
Solution Approach 2:
The patent changes the transmission mode parameter based on link quality metrics. By monitoring link assessment results and adjusting the transmission mode accordingly (switching between duplicate and single link modes), the system optimizes the balance between transmission reliability and resource utilization through parameter adaptation.
2Productivity
If single link transmission mode is used, then resource utilization is improved, but transmission reliability deteriorates
Solution Approach 1:
The system dynamically adjusts transmission mode based on real-time link quality. When link conditions are good, single link mode is selected for high resource utilization; when link conditions deteriorate, the system switches to duplicate mode to maintain reliability, creating a dynamic adaptation mechanism.
Solution Approach 2:
The patent employs feedback mechanisms where the network device receives link quality information from terminal devices and uses this feedback to determine the appropriate transmission mode. This closed-loop control ensures that the system responds to changing channel conditions and maintains optimal performance.
Data Source
AI summary
Embodiments of the present application provide a method and a device for wireless communication, which can balance the relationship between resource utilization and transmission reliability. The method includes: a network device determines a transmission mode of a packet data convergence protocol PDCP protocol data unit PDU, where the transmission mode includes a duplicate data transmission mode or a single link transmission mode; and the network device transmits the PDCP PDU to the terminal according to the transmission mode of the PDCP PDU.