Calix. has been granted a patent for a system that detects interference in wireless networks. The system analyzes airtime usage from client devices, assesses total interference, and can switch access points between channels to optimize performance based on identified foreign and in-network interference levels. GlobalData’s report on Calix 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 Calix, Passive optical networks was a key innovation area identified from patents. Calix's grant share as of June 2024 was 74%. Grant share is based on the ratio of number of grants to total number of patents.
Interference detection system for wireless network access points
The patent US11985562B2 describes a system and method for detecting interference in wireless networks, particularly focusing on the management of airtime usage among client devices connected to access points. The system comprises memory and processors that receive information about airtime usage from various access points. It calculates the total interference affecting these access points, which includes both foreign interference (from external sources) and in-network interference (from devices within the network). By analyzing the correlation between total interference and airtime usage, the system can determine the specific amounts of foreign and in-network interference. This analysis enables the system to selectively switch access points from a congested channel to a less interfered channel, thereby optimizing network performance.
The claims further detail the mechanisms for determining correlations and interference amounts. The processors can establish correlation values that indicate the relationship between total interference and client device airtime usage. If these values meet certain thresholds, the system can subtract or sum airtime usage to isolate foreign or in-network interference. The method also includes time-based analysis, where the duration of interference and airtime usage is considered. Additionally, the system is adaptable to various configurations, including access points, cloud environments, or enterprise routers, and is designed to operate within Wi-Fi protocols. This innovative approach aims to enhance the efficiency and reliability of wireless communications by dynamically managing channel usage based on real-time interference data.
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