Gilat Satellite Networks has filed a patent for a wideband transceiver that improves signal quality and utilizes a wideband for wireless communications, such as satellite communication systems. The transceiver interfaces with a gateway’s processors and includes a modulator, high power amplifier, filter, and transmitter. The patent aims to enhance the performance of gateway systems in transmitting data encapsulated in baseband frames. GlobalData’s report on Gilat Satellite Networks 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 Gilat Satellite Networks, satellite communication systems was a key innovation area identified from patents. Gilat Satellite Networks's grant share as of June 2023 was 1%. Grant share is based on the ratio of number of grants to total number of patents.
Wideband transceiver for improving signal quality in wireless communications
A recently filed patent (Publication Number: US20230141993A1) describes an apparatus and method for transmitting data over a satellite link. The apparatus includes a modulator that receives a frame and associates a baseband frame with a carrier identifier included in the frame. The modulator then modulates the baseband frame onto the carrier to generate a modulated signal. A filter generates a filtered signal based on the modulated signal, and a transmitter sends a radio frequency (RF) signal based on the filtered signal.
The apparatus may also include an interface that removes a header from an Ethernet frame to produce the frame and sends it to the modulator. The frequency of the RF signal is specified to be between 27.5 GHz and 30 GHz. The transmitter includes an upconverter that increases the frequency of the filtered signal to generate a converted signal. Additionally, a second filter, different from the first filter, generates a filtered converted signal based on the converted signal. The first filter is an Intermediate Frequency (IF) filter, while the second filter is an RF filter. An amplifier amplifies the filtered converted signal to generate the RF signal.
The frame can be tagged with adaptive coding and modulation (ACM) information. The apparatus may also include a digital-to-analog converter (DAC) that converts an I/Q digital signal from the modulator to an analog signal. The filter generates the filtered signal based on the analog signal. The transmitter may include a second modulator that receives the filtered signal and performs an I/Q modulation on it. An amplifier coupled to the second modulator amplifies the output to generate the RF signal.
In addition to the apparatus, the patent also describes a method for transmitting data over a satellite link. The method involves receiving a frame, associating a baseband frame with a carrier identifier, modulating the baseband frame onto the carrier to generate a modulated signal, generating a filtered signal based on the modulated signal, and sending an RF signal based on the filtered signal.
Furthermore, the patent describes a gateway that includes one or more Internet Protocol encapsulators (IPEs) and a transceiver. The transceiver interfaces with the IPEs via a local area network and receives a frame comprising a carrier identifier and a baseband frame. The baseband frame contains data to be transmitted over a satellite link. The frame may also include adaptive coding and modulation (ACM) information. Each IPE is configured to receive frames with packets and an ACM tag and encapsulate the packets into baseband frames according to the ACM tag.
Overall, this patent presents an apparatus, method, and gateway for transmitting data over a satellite link, utilizing modulators, filters, and transmitters to generate and send RF signals based on baseband frames and carrier identifiers.
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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.
