Qualcomm‘s patent involves a method and apparatus for enabling repetitive transmissions in low latency systems. The technology allows base stations to determine and activate repetition-based uplink communications for user equipment (UE) based on coverage parameters. UEs receive activation messages and perform repetitive transmissions on the uplink channel as per specified parameters. GlobalData’s report on Qualcomm 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 Qualcomm, IoT-5G convergence was a key innovation area identified from patents. Qualcomm's grant share as of April 2024 was 47%. Grant share is based on the ratio of number of grants to total number of patents.
Repetitive uplink transmissions for low latency wireless communications
The granted patent (Publication Number: US11968664B2) discloses an apparatus and method for wireless communications. The apparatus includes a modem, memory, and processors configured to receive an activation message from a network entity containing transmission parameters, duration for uplink transmissions, and an uplink short Transmission Time Interval (sTTI) pattern. The apparatus performs repetitive transmissions on the uplink channel based on the sTTI pattern, transmits a Demodulation Reference Signal (DMRS), and receives a configuration message with configuration parameters. The activation message is included in a downlink control information (DCI) message, and the configuration message is included in a Radio Resource Control (RRC) message.
Similarly, the method for wireless communication at a user equipment (UE) involves receiving an activation message with transmission parameters, duration, and uplink sTTI pattern. The method includes repetitive uplink transmissions based on the sTTI pattern, transmitting DMRS, and receiving a configuration message with configuration parameters. The activation message is part of a DCI message, and the configuration message is within an RRC message. The apparatus and method aim to enhance wireless communication efficiency by optimizing transmission parameters and patterns for uplink channels, ensuring reliable data transmission in subframes with DMRS signals, and facilitating network configuration through configuration messages included in control information messages.
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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.
