BlackBerry had three patents in mobile during Q1 2024. BlackBerry Ltd filed a patent for a method and system to signal transmission layers or dedicated reference signal ports in a multiple input multiple output system. The method involves providing a downlink control signal with information for transmission layers or dedicated reference signal ports, and using this information to demodulate data on each transmission layer. GlobalData’s report on BlackBerry gives a 360-degree view of the company including its patenting strategy. Buy the report here.
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BlackBerry grant share with mobile as a theme is 66% in Q1 2024. Grant share is based on the ratio of number of grants to total number of patents.
Recent Patents
Application: Method and system for signaling transmission layers for single user and multi user mimo (Patent ID: US20240107552A1)
The patent filed by BlackBerry Ltd. describes a method and system for signaling transmission layers or dedicated reference signal ports in a multiple input multiple output (MIMO) system. The method involves providing a downlink control signal containing information for the transmission layers or dedicated reference signal ports used, which are associated with the transmission layers, and using this information to demodulate data on each transmission layer. The claims detail the specific steps involved in the method, such as transmitting information to User Equipment (UE) and using a layer combination or associated combination of dedicated reference signal ports based on certain parameters. The patent also covers the implementation of multiple-user MIMO transmissions, the association of scrambling codes with the field, and the use of the method in LTE and LTE-advanced operations.
Overall, the patent focuses on optimizing the transmission process in a MIMO system by efficiently signaling the transmission layers and reference signal ports to be used. It outlines the specific steps to be performed by network elements, non-transitory computer-readable mediums, and User Equipment (UE) to achieve this optimization, including supporting multiple-user MIMO transmissions and utilizing scrambling codes. The patent's applicability to LTE and LTE-advanced operations highlights its relevance to current and future communication technologies.
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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.
