Space Exploration Technologies has been granted a patent for a configurable modem designed for satellites, user terminals, and gateways. The modem utilizes an orthogonal frequency division multiplexing (OFDM) protocol to generate RF signals, enabling efficient data transmission and reception between satellites and user terminals. 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 July 2024 was 50%. Grant share is based on the ratio of number of grants to total number of patents.
Configurable modem for satellite communication using ofdm protocol
The patent US12074683B1 describes a modem designed for satellite communication, specifically for receiving transmitted waveforms from a satellite (SAT) to user terminals (UTs). The modem features a receiver that extracts user data from the transmitted waveform, which includes a unique word, channel estimation symbols, pilot subcarriers, and resource blocks for user data. The design accommodates multiple user terminals, allowing for the transmission of data to up to four UTs simultaneously. The waveform is structured to include various time periods within a radio frame, with specific frequency resources allocated for each user. Additionally, the modem incorporates a delay component to account for the distance between the UT and the SAT, ensuring accurate data extraction.
Further enhancements to the modem include the ability to correct for sampling frequency offsets and carrier frequency offsets, as well as burst detection capabilities that utilize pseudo-noise sequences for frequency estimation. The transmitted waveform can be configured in synchronous or semi-synchronous modes and is coded and modulated using specific schemes. The patent also outlines the waveform's transmission characteristics, such as a sampling rate of 270 MHz, which is achieved through advanced signal processing techniques. Overall, the modem's design aims to improve the efficiency and reliability of satellite communications by optimizing data transmission and reception processes for multiple 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.
