Dependent Procedure Control Under Fast and Slow Uplink Cancellation
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Solution Overview
Problem
Interference and other factors cause instances of uplink transmissions to be fully or partially dropped or cancelled, degrading communication performance and user satisfaction in wireless communication networks.
Innovation Solution
Implement techniques for dependent procedure operation by distinguishing between fast and slow cancellations of uplink transmissions based on the time available for meeting specific timelines, and providing a transmission indication attribute to manage dependent procedures accordingly.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If uplink transmissions are cancelled due to interference and other factors, then communication reliability is improved by preventing interference, but communication performance and user satisfaction deteriorate due to transmission drops
Solution Approach 1:
The patent changes the parameter of transmission indication by introducing different indication values (first indication vs. second indication) to represent whether cancelled transmissions should be considered as transmitted or not transmitted. This parameter change allows dependent procedures to adapt their operation based on the cancellation type, resolving the contradiction between reliability and performance.
2Speed
If fast cancellation is implemented with insufficient time for meeting timelines, then response speed is improved, but device operation complexity increases due to timeline constraints
Solution Approach 1:
The patent applies preliminary action by determining the cancellation type (fast or slow) and setting the appropriate transmission indication attribute before the dependent procedure executes. This advance preparation simplifies the overall system operation by pre-resolving the complexity of timeline constraints and device operations, allowing dependent procedures to simply follow the pre-set indication rather than making complex real-time decisions.
3Reliability
If slow cancellation is implemented with sufficient time for meeting timelines, then device operation reliability is improved, but response speed decreases due to extended processing time
Solution Approach 1:
The patent introduces dynamics by making the transmission indication adaptive based on the cancellation type. The system dynamically adjusts the indication value (first or second indication) according to whether the cancellation is fast or slow, allowing the dependent procedure to optimize its operation for each specific scenario. This dynamic adaptation resolves the contradiction by enabling fast response when appropriate while maintaining reliability when time permits.
4Object-affected harmful factors
If transmission cancellation occurs, then interference impact is reduced, but system throughput deteriorates due to lost transmissions
Solution Approach 1:
The patent implements feedback by providing transmission indication attributes back to the dependent procedure based on the cancellation event. This feedback mechanism allows the dependent procedure to adjust its behavior according to the cancellation type, potentially recovering from the throughput loss by making informed decisions about whether to retransmit or proceed with alternative operations, thus resolving the contradiction between reducing interference impact and maintaining system throughput.
Data Source
AI summary
Techniques described provide dependent procedure operation configured for avoiding or mitigating one or more aspect of the impact on the dependent procedure of cancelling an uplink transmission. One or more attributes (e.g., a transmission indication attribute) associated with a cancelled uplink transmission may be designated for dependent procedure operation, such as for indicating whether the cancelled uplink transmission is considered either as having been transmitted or not having been transmitted. The one or more attributes associated with a cancelled uplink transmission designated for dependent procedure operation may be based upon whether the cancelling the first uplink transmission is a fast cancellation or is a slow cancellation. The designation of a transmission indication attribute for dependent procedure operation may correspond to the dependent procedure and/or its operation. Other aspects and features are also claimed and described.