Canon. has filed a patent for a communication method in a wireless network that prioritizes Low Latency Reliable Service (LLRS) traffic over non-LLRS traffic. The method involves an access point transmitting a management frame to refuse association or disassociate a station from a BSS, indicating the availability of another BSS. GlobalData’s report on Canon gives a 360-degree view of the company including its patenting strategy. Buy the report here.

According to GlobalData’s company profile on Canon, E-transaction user interfaces was a key innovation area identified from patents. Canon's grant share as of January 2024 was 36%. Grant share is based on the ratio of number of grants to total number of patents.

Wireless network communication method with llrs prioritization

Source: United States Patent and Trademark Office (USPTO). Credit: Canon Inc

The patent application (Publication Number: US20240040621A1) discloses a communication method in a wireless network involving an access point (AP) transmitting an association-related management frame to a non-AP station, either refusing association with a Basic Service Set (BSS) managed by the AP or disassociating the station from the BSS. This frame includes a code indicating the availability of another BSS managed by the AP. The method further involves the AP determining the station's capabilities and restricting access based on low latency reliable service (LLRS) compatibility.

Additionally, the patent application describes a communication method for non-AP stations receiving association-related management frames from the AP, indicating refusal or disassociation from a BSS and the availability of another BSS. The method includes negotiating transmission opportunities with other non-AP stations based on Enhanced Distributed Channel Access (EDCA) parameters, including a TXOP limit parameter defining the maximum duration of a transmission opportunity within the BSS. The non-AP station can perform direct link (DiL) transmissions with other stations based on these negotiations. The patent also covers wireless communication devices and computer-readable mediums storing programs for executing the disclosed methods, emphasizing the practical application of the described communication techniques in wireless networks.

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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.