Uplink Capability Reporting for Accurate NR Switching Time
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Solution Overview
Problem
In 5G NR, the uplink switching function introduces challenges in coordinating multiple frequency bands, leading to potential interference and data transmission failures due to inaccurate determination of switching periods during uplink switching.
Innovation Solution
A terminal reports capability indication information to the network side device, indicating the maximum switching period for uplink switching using a specific mode, which is the maximum value among multiple switching schemes, to avoid simultaneous data transmission and switching.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the terminal performs uplink switching with multiple frequency bands, then the coordination between high and low frequencies is improved, but the risk of data transmission failure increases due to potential interference from inaccurate switching period determination
Solution Approach 1:
The terminal performs preliminary determination of the switching period before executing uplink switching. The capability indication information is pre-calculated based on multiple switching schemes, and the maximum switching period is determined in advance to prevent interference with data transmission
Solution Approach 2:
The terminal provides feedback to the network side device by reporting capability indication information about the maximum switching period. This feedback mechanism allows the network to understand the terminal's switching capabilities and avoid scheduling conflicts, thereby improving data transmission reliability
2Reliability
If the terminal reports accurate switching period capability, then data transmission failure is avoided, but the complexity of capability reporting increases due to multiple switching schemes
Solution Approach 1:
The terminal changes the parameter representation by reporting the maximum switching period (a single aggregated value) instead of reporting detailed timing information for each individual switching scheme. This parameter transformation simplifies the capability reporting while maintaining the accuracy needed to avoid data transmission failures
Data Source
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AI summary
Disclosed in the embodiments of the present disclosure are a capability reporting method and apparatus, which can be applied to the technical field of communications. The method, which is executed by means of a terminal device, comprises: reporting capability indication information to a network-side device, wherein the capability indication information is used for indicating the maximum switching time when a terminal device performs uplink switching in a specific switching mode, there are a plurality of switching schemes for the specific switching mode, and the maximum switching time is the maximum value in switching times required by the plurality of switching schemes. Thus, a terminal device can determine and report an accurate switching time, such that data transmission is prevented from being performed while uplink switching is performed, thereby effectively preventing a data transmission failure.