Casa Systems has been granted a patent for a computerized method that dynamically schedules OFDMA resources on an upstream channel for data transmission requests. The method involves generating multiple bit loading profiles, testing minislots for performance data, and determining a dynamic schedule based on the data. GlobalData’s report on Casa Systems 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 Casa Systems, Network services virtualization was a key innovation area identified from patents. Casa Systems's grant share as of May 2024 was 39%. Grant share is based on the ratio of number of grants to total number of patents.
Dynamic scheduling of ofdma resources for data transmission requests
A recently granted patent (Publication Number: US11997050B2) discloses a computerized method for dynamically scheduling individual orthogonal frequency-division multiple access (OFDMA) resources on an upstream channel to cater to data transmission requests from a downstream device. The method involves generating multiple bit loading profiles during a profile management interval for a set of available resources on the upstream channel. Performance data for these resources is determined through testing during a performance measurement interval, where a portion of the resources is allocated for testing and the rest for data transmission. Based on the performance data collected, a dynamic schedule is established to determine the utilization of different bit loading profiles for each resource to serve the data transmission requests effectively.
Furthermore, the patent includes details on the allocation of testing minislots and data transmission minislots within the set of available resources, with specific considerations for single-minislots and multi-minislots. The method also involves grouping downstream devices for collective performance data collection and the allocation of remaining unassigned minislots for additional testing purposes. The patent emphasizes the periodic determination of performance data for each minislot within a frame, with a specific allocation percentage for testing minislots and a rotational pattern for minislot grants across the frame. Additionally, the patent extends to an apparatus and non-transitory computer-readable media configured to execute the described method, ensuring efficient scheduling and utilization of OFDMA resources for data transmission requests on the upstream channel.
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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.
