Scheduling Configuration Sets for XR Latency
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Solution Overview
Problem
Current wireless communication systems face challenges in efficiently managing diverse data requirements for extended reality applications, particularly in scheduling configurations for XR communications, which demand low latency and varied quality of service across multiple devices and sensors.
Innovation Solution
The implementation of a method and apparatus that receive and transmit scheduling configurations, including time and frequency domain resource allocations, modulation and coding schemes, and DCI for activating and deactivating scheduling configurations, allowing for quasi-synchronous communication across multiple scheduling occasions within a specified duration.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If multiple scheduling configurations are used to accommodate diverse data requirements for XR applications, then system capacity and adaptability are improved, but control signaling overhead increases
Solution Approach 1:
The patent segments scheduling configurations into multiple sets, where each set contains multiple scheduling configurations. This segmentation allows the system to manage diverse data requirements more efficiently by organizing configurations in a structured manner, reducing the complexity of controlling multiple configurations simultaneously while maintaining adaptability for different XR traffic types
Solution Approach 2:
The patent implements preliminary action by pre-configuring multiple sets of scheduling configurations before actual data transmission. The network device prepares these configuration sets in advance, and the UE receives and stores them, so that when XR data transmission is needed, the pre-configured sets can be quickly activated without requiring extensive real-time signaling, thus reducing control overhead while maintaining high adaptability
2Productivity
If scheduling configurations are activated for multiple scheduling occasions within a duration, then productivity and data transmission efficiency are improved, but system complexity increases
Solution Approach 1:
The patent implements periodic action by activating scheduling configurations for multiple scheduling occasions within a specified duration. This periodic activation pattern allows the system to efficiently handle periodic XR data streams (such as continuous video or sensor data) by reusing the same scheduling configuration across multiple occasions, thereby improving productivity without proportionally increasing system complexity
Solution Approach 2:
The patent applies universality by designing scheduling configuration sets that can serve multiple functions and multiple scheduling occasions. A single scheduling configuration set can be reused across different scheduling occasions within the duration, allowing the same configuration to handle various XR traffic types and requirements, thus improving data transmission efficiency while avoiding the need for unique configurations for each occasion
Data Source
AI summary
Apparatuses, methods, and systems are disclosed for performing communications using a set of scheduling configurations. One method includes receiving, at a user equipment, information indicating at least one set of scheduling configurations. Each set of scheduling configurations of the at least one set of scheduling configurations includes at least one scheduling configuration, and each scheduling configuration of the at least one scheduling configuration includes scheduling information including time domain resource allocations, frequency domain resource allocations, a modulation and coding scheme (“MCS”), or some combination thereof. The method includes receiving downlink control information (“DCI”) that indicates activation of a set of scheduling configurations of the at least one set of scheduling configurations for a duration. The method includes performing communications on a plurality of scheduling occasions of the set of scheduling configurations. The plurality of scheduling occasions is within the duration.