Sandvine has been granted a patent for a congestion management method that identifies congested network cells and users with low Quality of Experience (QoE). The method involves analyzing traffic flow criteria and shaping the network traffic of other users to alleviate congestion. GlobalData’s report on Sandvine gives a 360-degree view of the company including its patenting strategy. Buy the report here.
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According to GlobalData’s company profile on Sandvine, was a key innovation area identified from patents. Sandvine's grant share as of June 2024 was 42%. Grant share is based on the ratio of number of grants to total number of patents.
Network congestion management by shaping traffic of heavy users
The patent US11997532B2 outlines a method and system for managing network congestion by focusing on user experience. The method begins with the identification of a congested cell within the network, followed by the detection of users experiencing a Quality of Experience (QoE) below a specified suffering threshold. The system then analyzes the traffic flow criteria of these suffering users and adjusts the network traffic of other users accordingly until a predetermined threshold is achieved. The method includes periodic reviews of the QoE of suffering users to assess improvements, with a suggested interval of every minute. Additionally, the system can identify heavy users—those with application throughput exceeding a configurable threshold—and adjust their traffic as necessary to alleviate congestion.
The claims further detail the criteria for determining congestion, which include metrics such as throughput, round trip time, and packet loss. The thresholds for suffering and heavy users are defined in relation to statistical measures of user experience, allowing for dynamic adjustments based on real-time data. The system is designed to continuously monitor user QoE and modify traffic shaping strategies until all users achieve satisfactory performance. If the average QoE does not improve after adjustments, the system will cease traffic shaping for heavy users. This innovative approach aims to enhance overall network performance by prioritizing user experience during periods of congestion.
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GlobalData Patent Analytics tracks bibliographic data, legal events data, point in time patent ownerships, and backward and forward citations from global patenting offices. Textual analysis and official patent classifications are used to group patents into key thematic areas and link them to specific companies across the world’s largest industries.
