Cross-Slot Scheduling Interval Effective Time Determination
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Solution Overview
Problem
In cross-slot scheduling, network devices face challenges in ensuring that user equipment receives and implements a new minimum cross-slot scheduling interval effectively, leading to inconsistencies between the recorded and actual effective times, which affects power consumption and scheduling efficiency.
Innovation Solution
A method is introduced where the effective time for a second minimum cross-slot scheduling interval is determined based on the position of a symbol within a channel, allowing the interval to take effect at or after this time, ensuring consistency between network device and user equipment records, and incorporating parameters like slot number, subcarrier spacing, and scheduling carrier configurations to optimize scheduling and energy saving.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If the network device notifies the user equipment of a cross-slot scheduling interval through RRC or DCI, then the scheduling interval can be configured and updated, but the effective time of the updated interval cannot be accurately determined, leading to inconsistencies between network device and user equipment records
Solution Approach 1:
The patent applies feedback by having the user equipment determine the effective time based on the position of the first channel symbol and feed back this determination to the network device. This ensures both sides have consistent records of when the scheduling interval takes effect, resolving the inconsistency problem between network device and user equipment records.
Solution Approach 2:
The patent applies preliminary action by pre-defining the effective time based on the position of the first channel symbol before the actual scheduling occurs. This allows both network device and user equipment to have advance knowledge of when the updated scheduling interval will take effect, ensuring consistent timing records without requiring complex real-time calculations.
2Productivity
If the user equipment continuously monitors for scheduling intervals, then scheduling efficiency is improved, but power consumption increases
Solution Approach 1:
The patent applies periodic action by establishing a minimum cross-slot scheduling interval that defines periodic monitoring cycles. Instead of continuous monitoring, the user equipment only needs to monitor at these predetermined periodic intervals, significantly reducing power consumption while maintaining scheduling efficiency through the structured periodic check mechanism.
Solution Approach 2:
The patent applies parameter changes by dynamically adjusting the monitoring frequency based on the minimum cross-slot scheduling interval parameter. When this parameter is updated, the user equipment adjusts its monitoring behavior accordingly, optimizing the balance between scheduling efficiency and power consumption by only monitoring when necessary based on the updated parameter values.
Data Source
AI summary
A method for determining an effective time of a minimum cross-slot scheduling interval includes: receiving a second minimum cross-slot scheduling interval; and making the second minimum cross-slot scheduling interval take effect at or after an effective time. The effective time depends on following parameter: a position of a symbol where a first channel is located.