The European Space Agency has been granted a patent for a system and method to resolve time ambiguity in a receiver using radio signals. The invention involves acquiring signal components, performing synchronization, estimating phase offsets, and resolving ambiguity within a time period. GlobalData’s report on European Space Agency 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 European Space Agency, Beamforming networks was a key innovation area identified from patents. European Space Agency's grant share as of February 2024 was 71%. Grant share is based on the ratio of number of grants to total number of patents.

Time ambiguity resolution in radio signal receivers

Source: United States Patent and Trademark Office (USPTO). Credit: European Space Agency SA

A recently granted patent (Publication Number: US11855682B2) discloses a radio signal device designed to transmit a radio signal with specific components. The signal includes first and second signal components, each with overlay codes modulated on primary codes. The patent details the durations and symbols of these overlay codes, emphasizing the synchronization and phase offsets between them. The device aims to resolve time ambiguities within a defined period based on code phase offsets, catering to applications like global navigation satellite systems (GNSS).

Furthermore, the patent outlines a method for resolving time ambiguities in a receiver using received radio signals with distinct code components. The method involves acquiring, synchronizing, and estimating phase offsets between codes to resolve ambiguities within a specified time frame. It also discusses the modulation of code symbols by sub-symbols and the impact on time ambiguity resolution. The method's versatility allows for the exploitation of time and spatial diversity in signal reception, enhancing overall performance and accuracy in various applications.

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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.