Terminal Codebook Generation for Mixed Time Unit Lengths
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Solution Overview
Problem
In communication systems, when time unit lengths corresponding to different time parameter sets are varied, existing methods fail to generate a consistent HARQ_ACK codebook, leading to compatibility issues and inefficient resource utilization.
Innovation Solution
A communication method where a terminal device determines target time parameter sets based on multiple time parameter sets with different time unit lengths, allowing it to generate and send a codebook that can be effectively parsed by the network device, ensuring consistent understanding and improved resource utilization.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of time
If time unit lengths corresponding to feedback information are reduced to meet delay requirements, then feedback delay is reduced, but time unit lengths corresponding to different time parameter sets become inconsistent, making codebook generation impossible
Solution Approach 1:
The patent segments the time parameter sets into different groups based on their time unit lengths. By dividing the heterogeneous time parameter sets into manageable segments, the system can process each segment separately and generate codebooks for each segment independently, thereby resolving the inconsistency issue while maintaining reduced feedback delays
Solution Approach 2:
The patent changes the parameter representation by introducing a unified time reference framework. Different time parameter sets with different time unit lengths are converted into a common reference system, allowing consistent codebook generation across all sets while preserving the benefits of varied time unit lengths for different feedback scenarios
2Adaptability or versatility
If multiple time parameter sets with different time unit lengths are used to meet diverse communication requirements, then adaptability is improved, but consistent codebook generation becomes difficult
Solution Approach 1:
The patent introduces an intermediary reference time framework that mediates between multiple time parameter sets with different time unit lengths. This intermediary structure allows each time parameter set to maintain its original characteristics while providing a common basis for codebook generation, thereby reducing the complexity of handling heterogeneous time parameters
Solution Approach 2:
The patent creates a universal codebook generation mechanism that can handle multiple time parameter sets with different time unit lengths through a unified approach. The generated codebook structure is designed to be multi-functional, accommodating various time parameter configurations while maintaining consistent parsing rules at the receiver side
Data Source
AI summary
This application discloses that a terminal device determines at least one target time parameter set based on N time parameter sets, where time unit lengths corresponding to at least two of the N time parameter sets are different; determines M target times based on a first time and the at least one target time parameter set, generates a codebook based on response information corresponding to downlink information received at at least one of the M target times, and sends the codebook to a network device at the first time. Correspondingly, the network device determines, based on the response information included in the codebook, whether the downlink information corresponding to the response information is successfully transmitted. Therefore, when the time unit lengths corresponding to the at least two of the N time parameter sets are different, the network device and the terminal device have a consistent understanding of the codebook.