URLLC Slices for Extended Reality Data Transmission
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Solution Overview
Problem
Current technologies face challenges in transmitting extended reality (XR) data over radio access networks (RAN) with the required low latency and high reliability, especially since URLLC slices typically use lower bandwidth for smaller data packets, which is not suitable for XR data.
Innovation Solution
The technology involves identifying and utilizing URLLC slices with latency parameters below an XR latency threshold to transmit XR data packets over a radio access network, ensuring efficient data transmission for XR applications.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If URLLC slices are used for XR data transmission, then low latency and high reliability are improved, but bandwidth is reduced
Solution Approach 1:
The patent segments the network into multiple URLLC slices, each dedicated to specific XR data transmission requirements. By dividing the network capacity into separate slices with different latency and bandwidth characteristics, the system can allocate appropriate resources to different XR applications without compromising overall reliability or excessive bandwidth consumption.
Solution Approach 2:
The patent dynamically adjusts transmission parameters including latency thresholds, data rate requirements, and packet sizes based on the specific XR application needs. By changing these parameters adaptively, the system optimizes the balance between reliability improvement and bandwidth consumption for different XR scenarios.
2Speed
If URLLC slices with lower bandwidth are used, then latency is reduced, but data transmission capacity is limited
Solution Approach 1:
The patent implements dynamic resource allocation where the network can switch between different URLLC slices based on real-time traffic conditions and XR application requirements. This dynamic adaptation allows the system to optimize transmission speed for latency-sensitive data while maintaining sufficient capacity for larger data packets when needed.
Solution Approach 2:
By segmenting the data transmission into different slices with varying bandwidth and latency characteristics, the system can simultaneously support both high-speed low-latency transmissions and higher capacity transmissions, resolving the contradiction between speed and capacity.
3Quantity of substance
If traditional eMBB is used for XR data, then bandwidth is sufficient, but latency and reliability requirements are not met
Solution Approach 1:
The patent creates separate URLLC slices distinct from traditional eMBB slices, allowing XR applications to access dedicated low-latency, high-reliability channels. This segmentation enables simultaneous optimization for both bandwidth and reliability by preventing eMBB traffic from interfering with time-sensitive XR data transmissions.
Solution Approach 2:
The patent introduces URLLC slices as an intermediary layer between the network infrastructure and XR applications, providing a dedicated transmission path that guarantees reliability and low latency while maintaining sufficient bandwidth through proper slice configuration and resource allocation.
Data Source
AI summary
The technology disclosed herein relates to improved data transmissions over a radio access network (RAN). In embodiments, the RAN can receive, via a RAN node, a request for extended reality (XR) traffic (e.g., the request being associated with a user device). In embodiments, based on the request, one or more components of the RAN can allocate XR data for transmission over one or more ultra-reliable low latency communication (URLLC) slices that each have a latency parameter below an XR latency threshold. In embodiments, the XR latency threshold can be determined based on the request. In embodiments, one or more RAN components can identify a frequency band (e.g., associated with a RAN node) having a URLLC slice that has a latency parameter below the XR latency threshold. As such, XR data can be transmitted to the user device via the URLLC slice having the latency parameter below the XR latency threshold.