Space Exploration Technologies has been granted a patent for a method involving timing half-duplex transmissions in a wireless communication system. The method allows for efficient scheduling of transmissions between satellites and user terminals, ensuring non-overlapping time intervals for operations. GlobalData’s report on Space Exploration Technologies 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 Space Exploration Technologies, V2V communication antennas was a key innovation area identified from patents. Space Exploration Technologies's grant share as of February 2024 was 50%. Grant share is based on the ratio of number of grants to total number of patents.

Timing half-duplex transmissions in wireless communication system

Source: United States Patent and Trademark Office (USPTO). Credit: Space Exploration Technologies Corp

A recently granted patent (Publication Number: US11924821B1) discloses a method implemented by a satellite in communication with multiple half-duplex user terminals. The method involves determining the maximum round-trip propagation delay associated with the user terminals and calculating a downlink to uplink (DL/UL) offset based on this delay and additional delays. The satellite then transmits downlink frames to the user terminals, receives corresponding uplink frames, and manages the communication process efficiently by adjusting the timing of transmissions based on the identified delays.

Furthermore, the patent includes claims related to grouping the user terminals, determining different DL/UL offsets for specific groups, and addressing various delays such as processing delays and mode transition delays. The system described in the patent involves one or more processors executing instructions stored on a non-transitory computer-readable medium to facilitate the communication process between the satellite and the user terminals. Overall, the patent aims to optimize the communication process in satellite systems by considering propagation delays and other factors to enhance the efficiency and reliability of data transmission between the satellite and half-duplex user terminals.

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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.