Qualcomm had nine patents in regtech during Q4 2023. Qualcomm Inc’s patent filed in Q4 2023 focuses on securing and authenticating communications at a physical layer using path information. It involves efficient location tracking of user equipment (UE) in a wireless network by initiating periodic or triggered location updates, transmitting an uplink positioning signal (UPS) containing UE ID, LS ID, authentication code, and location measurements to a base station, and transferring this data to a location server for authentication and determination of UE location. GlobalData’s report on Qualcomm gives a 360-degreee view of the company including its patenting strategy. Buy the report here.
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Qualcomm grant share with regtech as a theme is 44% in Q4 2023. Grant share is based on the ratio of number of grants to total number of patents.
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Application: Techniques for path information-based physical layer security (Patent ID: US20230422027A1)
The patent filed by Qualcomm Inc. relates to securing or authenticating communications at a physical layer in wireless devices based on generated or received path information. The apparatus described includes a transceiver, memory, and processors that can generate path information for multiple reference signals received over different paths from a transmitting device. The processors are further configured to decode, encode, or authenticate communications based on a secret key generated from the path information. The path information includes parameters such as pathloss, time-of-arrival, or angle-of-arrival for each reference signal.
Additionally, the apparatus can transmit the path information to the transmitting device and generate the secret key by applying a function to the path information in a specific order. The processors are also capable of authenticating communications by comparing received path information with the path information for the indicated path. In case of failure in authentication, the apparatus can discard, request retransmission, or transmit alerts to the transmitting device. The method described for wireless communication involves similar steps of generating path information, encoding/decoding communications based on the secret key, and transmitting communications over different paths with parameters indicating the path used. The path information for each reference signal includes pathloss, time-of-arrival, or angle-of-arrival, and the secret key is generated based on this information in a specific order determined by the transmitting or receiving device. Failure in authentication can trigger retransmission or reporting based on predefined parameters such as the number of transmissions or a time window.
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