Spire Global has been granted a patent for a cubesat communication system that allows the transmission of collected information to receive-only ground stations. The system utilizes a scheduler for transmission and a bent pipe streaming protocol for re-transmission to a central command center. The ground station includes a software-defined radio system, synchronized clock, storage medium, and processor for receiving and redirecting the incoming data without interrupting the stream. GlobalData’s report on Spire Global 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 Spire Global, Satellite communication systems was a key innovation area identified from patents. Spire Global's grant share as of September 2023 was 73%. Grant share is based on the ratio of number of grants to total number of patents.
Patent granted for a cubesat communication system with addressable data packets
A recently granted patent (Publication Number: US11728886B2) describes a receive-only ground station that can efficiently receive and redirect data from satellites to a central command center. The ground station includes a software-defined radio (SDR) system, a clock synchronized with the satellite, a non-transitory storage medium with a program schedule, and a processor.
The ground station receives a stream of incoming data from the satellite during a predetermined period of time specified by the program schedule. Importantly, the satellite automatically initiates the broadcast of the data stream without any instruction from the ground station. The ground station's processor receives the data stream via the SDR system and redirects it to the central command center without interrupting the incoming data flow.
Additionally, the ground station may have a stationary omni-directional antenna to receive data from multiple satellites. The processor can redirect the incoming data to the central command center without the need for a stop and resend command. Furthermore, the redirection of the data stream can be accomplished using Ethernet transmission.
The patent also describes a method for receiving a broadcast of data at a receive-only ground station. The method involves initiating the receipt of the data stream at the scheduled time based on the synchronized clocks of the ground station and the satellite, as well as the program schedule stored in the ground station's storage medium. The data stream is received using the SDR system and the ground station's processor, and it is redirected to the central command center without interrupting the reception process.
Similar to the ground station, the method can utilize a stationary omni-directional antenna for receiving the data stream. The redirection of the received data does not require a stop and resend command and can be achieved through Ethernet transmission.
Overall, this patent presents a receive-only ground station and methods that enable efficient reception and redirection of data from satellites to a central command center. The technology described in the patent can have applications in various industries that rely on satellite data transmission, such as telecommunications, remote sensing, and satellite communication systems.
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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.
