Dynamic Slot Offset Selection for Wireless Terminal Scheduling
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Solution Overview
Problem
Existing wireless communication systems lack a dynamic mechanism to switch between cross-slot scheduling and same-slot scheduling based on data transmission requirements, leading to inefficiencies in power saving, latency, and throughput.
Innovation Solution
A method where a terminal device selects a value set of slot offsets based on parameters such as the number of receive antennas, detection periodicity, timer type, and DCI information, allowing the system to dynamically switch between cross-slot and same-slot scheduling.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Use of energy by moving object
If cross-slot scheduling is used, then power consumption of the terminal device is reduced, but data transmission latency increases
Solution Approach 1:
The patent applies dynamics by enabling the terminal device to dynamically switch between cross-slot scheduling and same-slot scheduling based on real-time data traffic conditions. The terminal device monitors data traffic patterns and selects the appropriate scheduling mode: cross-slot scheduling for power saving during low-traffic periods, and same-slot scheduling for low-latency performance during high-traffic periods. This dynamic adaptation resolves the contradiction by making the scheduling mode flexible rather than fixed.
2Loss of time
If same-slot scheduling is used, then data transmission latency is reduced, but power consumption of the terminal device increases
Solution Approach 1:
The patent enables dynamic selection of scheduling modes based on data traffic conditions. When data traffic requires low latency, the terminal device selects same-slot scheduling; when power saving is prioritized during low-traffic periods, cross-slot scheduling is selected. This dynamic mechanism allows the system to optimize between latency and power consumption based on actual operational needs.
3Use of energy by moving object
If cross-slot scheduling is used for bursty data traffic, then power consumption is reduced, but throughput performance deteriorates
Solution Approach 1:
The patent applies dynamics by allowing the terminal device to adaptively switch between scheduling modes based on data traffic characteristics. For bursty traffic patterns, the device can use cross-slot scheduling during idle periods to save power while switching to same-slot scheduling during active data transmission periods to maintain throughput performance. This dynamic adaptation resolves the contradiction between power saving and throughput.
4Device complexity
If a fixed scheduling mechanism is used, then system complexity is reduced, but adaptability to changing data traffic requirements deteriorates
Solution Approach 1:
The patent resolves the contradiction by implementing a dynamic scheduling mechanism where the terminal device monitors data traffic conditions and selects between cross-slot and same-slot scheduling modes. This dynamic approach enhances adaptability to changing traffic requirements while maintaining manageable system complexity through standardized switching logic based on traffic patterns.
5Adaptability or versatility
If dynamic scheduling mode switching is implemented, then adaptability to data traffic requirements is improved, but device complexity increases
Solution Approach 1:
The patent implements dynamic scheduling mode switching with manageable complexity by using clear traffic-based decision logic. The terminal device monitors data traffic conditions and switches between scheduling modes based on predefined criteria, providing high adaptability while keeping the switching mechanism simple and standardized.
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AI summary
This application provides a wireless communication method, a terminal device, and a network device. The wireless communication method includes: A terminal device selects, based on a first parameter, a value set from a first value set and a second value set that are of slot offsets and that are configured by a network device, where all slot offsets in the first value set are greater than 0, at least one slot offset in the second value set is equal to 0, and the slot offset is used to indicate an offset in a quantity of slots of a downlink resource information DCI-scheduled physical downlink shared channel (PDSCH) relative to the DCI. The terminal device receives DCI sent by the network device, where a slot offset carried in the DCI belongs to the determined value set. According to the technical solutions provided in this application, when the terminal device operates by using different parameters, different value sets of slot offsets are used, where the different value sets correspond to different data channel scheduling mechanisms.