MediaTek had ten patents in space economy during Q2 2024. MediaTek Inc has filed patents related to improving timing and frequency compensation in non-terrestrial network (NTN) communications. The solutions involve generating multiple timing advance reports based on GNSS location data and ephemeris data, performing uplink frequency pre-compensation by adjusting the phase of the up-conversion signal, calculating uplink transmit frequency based on various delays and drift rates, and accounting for timing advance delay in NTN communications. GlobalData’s report on MediaTek gives a 360-degree view of the company including its patenting strategy. Buy the report here.
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MediaTek had no grants in space economy as a theme in Q2 2024.
Recent Patents
Application: Multi rtt positioning procedure with timing advance for ntn system (Patent ID: US20240195489A1)
The patent filed by MediaTek Inc. describes a method, apparatus, and computer-readable medium for wireless communication involving a user equipment (UE) transmitting multiple reference signals to a satellite in a non-terrestrial network (NTN). The UE determines uplink measurement occasions, generates timing advance (TA) reports based on GNSS location data and satellite ephemeris data, and transmits these reports along with the reference signals to the satellite. The TA reports contain TA values representing the time interval between receiving a downlink signal and transmitting an uplink signal, with adjustments based on satellite position parameters and UE-specific factors.
Furthermore, the method involves transmitting various types of uplink reference signals, determining measurement occasions relative to the satellite's Epoch time, and predicting TA values up to the reception of the uplink reference signals by a base station. The apparatus, which is the UE, includes a memory and processor to carry out these functions, ensuring that the timing drift caused by satellite movement is mitigated by maintaining a minimal time difference between transmitting TA reports and reference signals. Additionally, the computer-readable medium stores executable code for implementing the wireless communication method described in the patent, emphasizing the importance of accurate timing adjustments and location data for efficient communication between the UE and satellite in an NTN.
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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.
