Service-Specific BSR Triggering for Low-Latency XR Scheduling
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Solution Overview
Problem
Existing BSR transmission mechanisms in communication systems, particularly for large data volume services like XR services, lead to delayed data transmission scheduling, resulting in significant latency due to inaccurate resource allocation and rough reporting of data volumes.
Innovation Solution
A method for triggering a first BSR based on a preset service, allowing timely and accurate reporting of buffered data status to the network device, thereby enhancing data transmission scheduling for services with specific characteristics such as XR services.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If the traditional BSR transmission mechanism is used for large data volume services, then the network device can perform data transmission scheduling, but the data transmission scheduling is delayed and transmission latency increases significantly
Solution Approach 1:
The patent segments the BSR transmission mechanism by introducing a first BSR specifically for preset services (e.g., XR services) and a second BSR for other services. This segmentation allows the first BSR to be triggered and transmitted independently with higher priority, enabling the network device to perform scheduling for preset services without waiting for the periodic second BSR, thus reducing transmission latency while maintaining overall scheduling efficiency
Solution Approach 2:
The patent implements preliminary action by triggering the first BSR based on preset service data arrival before the periodic second BSR is due. This allows the terminal device to proactively report buffer status for preset services as soon as data arrives, enabling the network device to prepare scheduling decisions in advance, thereby reducing the scheduling delay and transmission latency that would otherwise occur with the periodic BSR mechanism
2Measurement precision
If the traditional BSR transmission mechanism is used, then resource allocation can be performed, but resource allocation is inaccurate due to rough reporting of data volumes
Solution Approach 1:
The patent segments the buffer status reporting into service-specific first BSR for preset services and general second BSR for other services. This segmentation enables precise reporting of data volume for preset services independently, allowing the network device to allocate resources accurately based on the specific buffer status of preset services without being affected by the rough periodic reporting of the second BSR
Solution Approach 2:
The patent introduces dynamic triggering of the first BSR based on preset service data arrival, making the reporting mechanism adaptive to actual service needs. This dynamic approach ensures that data volume reporting for preset services is timely and accurate, reflecting the real-time buffer status, which enables the network device to perform accurate resource allocation decisions based on current conditions rather than periodic updates
Data Source
AI summary
The present application provides a method for transmitting BSR, a terminal device, and a network device. One example method includes: triggering a first BSR by a terminal device, wherein the first BSR is triggered based on a preset service.