XR Wireless Packet Filtering for Jitter-Sensitive Network Capacity
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Solution Overview
Problem
XR applications demand high throughput and low latency, but wireless networks often cause jitter and latency issues, leading to discarded packets that waste network resources and degrade user experience.
Innovation Solution
A system and method that determines predicted jitter and latency in the PDCP and MAC layers, dropping data packets that exceed identified delay requirements to conserve network resources and enhance capacity.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If data packets are transmitted through the network for XR applications, then throughput is improved, but jitter and latency increase causing packets to be discarded
Solution Approach 1:
The system performs preliminary determination of predicted jitter and latency for data packets at the PDCP and MAC layers before transmission. By evaluating delay requirements in advance and dropping packets that cannot meet the requirements before they are transmitted, the system prevents jitter and latency issues from occurring in the first place, thereby maintaining both high throughput and reliable delivery for XR applications
2Productivity
If all data packets are transmitted regardless of delay requirements, then network throughput is maximized, but network resources are wasted on packets that will be discarded
Solution Approach 1:
The system extracts and removes data packets that are predicted to exceed delay requirements at the PDCP and MAC layers before they enter the transmission pipeline. By taking out these unsuitable packets in advance, the system prevents network resource waste from transmitting and processing packets that would ultimately be discarded at the application layer, thereby optimizing both throughput and resource utilization
Solution Approach 2:
The system performs preliminary filtering of data packets by determining their predicted jitter and latency characteristics before transmission. This advance evaluation allows the network to drop packets that cannot meet XR application requirements before consuming network resources, thereby maximizing effective throughput while minimizing resource waste
3Reliability
If packets are dropped at the application layer due to jitter sensitivity, then quality of service is maintained, but network capacity is underutilized
Solution Approach 1:
The system performs preliminary determination of packet delay characteristics at the PDCP and MAC layers before transmission. By evaluating predicted jitter and latency in advance and making intelligent dropping decisions based on XR application requirements, the system maintains high quality of service for time-sensitive packets while preventing network capacity underutilization by avoiding transmission of packets that would be discarded anyway
Data Source
AI summary
Methods and systems provide network capacity enhancement. In one embodiment, the method includes identifying delay requirements for an extended reality (XR) service application. The method further includes predicting, in the PDCP layer, one or more of jitter or latency for a data packet and dropping the data packet if the predicted jitter and/or latency is higher than the delay requirements identified for the XR service application. The method further includes predicting, in the MAC layer, jitter or the latency for the data packet and dropping the data packet if the predicted jitter or the latency in the MAC layer higher than the delay requirements identified for the XR service application and preparing the data packet for transmission through a network if the one or more of the jitter or latency in the MAC layer for the data packet is less than the delay requirements identified for the XR service application.