MediaTek had 35 patents in cybersecurity during Q4 2023. MediaTek Inc’s patents filed in Q4 2023 focus on various aspects of wireless communication technology. These include methods for inter-DU inter-cell cell switch with beam management, control methods for electronic devices involving MPDU duplication and aggregation, techniques for enhanced long range communication, encryption mechanisms for cooperative multi-band wireless STA architecture, and methods for discovering a multi-link device on a wireless network. GlobalData’s report on MediaTek gives a 360-degreee view of the company including its patenting strategy. Buy the report here.
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MediaTek grant share with cybersecurity as a theme is 34% in Q4 2023. Grant share is based on the ratio of number of grants to total number of patents.
Recent Patents
Application: Methods and apparatus to improve ue experience during inter-du inter-cell beam management (Patent ID: US20230397069A1)
The patent filed by MediaTek Inc. describes apparatus and methods for inter-DU inter-cell cell switch with beam management. The user equipment (UE) receives a cell switch command, performs RLC reestablishment, MAC reset, sends a PDCP status report, and performs self-detected PDCP retransmission for UL data transfer. The method involves identifying source-failed PDUs, sending PDCP status reports to the target cell, and triggering actions based on RRC requests or cell switch indications.
The UE includes components such as an RF transceiver, command receiving module, RLC entity, MAC entity, PDCP entity, and self-detect module. The cell switch command can be carried by a MAC control element or PDCCH, triggering actions like RLC reestablishment and PDCP retransmission. The MAC reset involves controlling timing advance groups and timers associated with the source cell. The method also includes conditions for triggering PDCP retransmission, such as data volume thresholds or receiving specific signals. The UE self-detected PDCP retransmission is performed based on detecting source-failed UL PDCP PDUs and meeting specific conditions outlined in the claims.
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