L3Harris Technologies has filed a patent for a satellite communication system that includes a constellation of cross-linked orbiting satellites and an earth station gateway with an Internet port. The system also includes mobile wireless devices with satellite and WiFi transceivers, allowing communication within a push-to-talk (PTT) group via the satellite transceiver when a satellite link is available, and via the WiFi transceiver when a WiFi link is available. The devices can maintain existing PTT calls when switching between the satellite and WiFi links. GlobalData’s report on L3Harris 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 L3Harris Technologies, AR/VR head-up displays was a key innovation area identified from patents. L3Harris Technologies's grant share as of September 2023 was 72%. Grant share is based on the ratio of number of grants to total number of patents.
Satellite communication system with mobile wireless devices and wifi capability
A recently filed patent (Publication Number: US20230318698A1) describes a satellite communication system that includes a constellation of cross-linked orbiting satellites, an earth station gateway, and multiple mobile wireless devices. The earth station gateway has an Internet port and serves as a communication hub for the satellite constellation. Each mobile wireless device is equipped with a satellite transceiver, a WiFi transceiver, and a controller.
The mobile wireless devices can communicate with other members of a push-to-talk (PTT) group via the satellite transceiver when a satellite link is available. When a WiFi link is available and the satellite link is not, the devices can switch to using the WiFi transceiver to maintain communication within the PTT group. The controller allows for the maintenance of existing PTT calls during the switch between the satellite and WiFi links.
The patent also mentions the inclusion of a PTT command center device in the satellite communication system. This device is responsible for assigning each mobile wireless device to a specific PTT group.
The controller in the mobile wireless devices is capable of switching between the satellite and WiFi links based on signal degradation on the existing link. It can also operate in a manual mode, allowing users to initiate the switch based on their input.
The constellation of cross-linked orbiting satellites mentioned in the patent is arranged in multiple polar orbital planes. The patent specifically references the use of Iridium satellites in the constellation and an Iridium earth station gateway.
The mobile wireless devices described in the patent can be housed in either handheld or vehicle-mount housings. They include a satellite antenna, a WiFi antenna, a satellite transceiver, a WiFi transceiver, and a controller.
In summary, the patent describes a satellite communication system that enables mobile wireless devices to communicate within a push-to-talk group using either a satellite link or a WiFi link. The system includes a constellation of cross-linked orbiting satellites, an earth station gateway, and a PTT command center device. The mobile wireless devices can switch between the satellite and WiFi links based on signal degradation and maintain existing PTT calls during the switch. The system utilizes Iridium satellites and offers both handheld and vehicle-mount options for the mobile wireless devices.
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GlobalData, the leading provider of industry intelligence, provided the underlying data, research, and analysis used to produce this article.
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.
