Patents by Inventor Masoud Kahrizi

Masoud Kahrizi has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20240079774
    Abstract: In an embodiment, an apparatus includes a first digital beamformer (DBF) associated with a first subset of antennas of a phased array antenna, the first DBF including a transmit section associated with transmission of a first signal at a first frequency in a transmit mode and a receive section associated with receiving of a second signal at a second frequency in a receive mode, the second frequency being different from the first frequency. The apparatus includes a second DBF associated with a second subset of antennas of the phased array antenna. The first and second DBFs are configured to receive a local oscillator signal having the first frequency from a common local oscillator in the transmit mode and receive the local oscillator signal having the second frequency from the common local oscillator in the receive mode.
    Type: Application
    Filed: November 9, 2023
    Publication date: March 7, 2024
    Inventors: Masoud Kahrizi, Alex Ahmad Mirzaei, Ali Sajjadi, Bagher Afshar, Babak Vakili-Amini, Alireza Mehrnia, Behzad Nourani, Bernd Pregardier
  • Publication number: 20240039568
    Abstract: In an embodiment, a receiver included in a communications system is configured to receive a radio frequency (RF) signal from a phased array antenna, the RF signal comprising at least a portion of a plurality of data beams included in a single channel, generate a plurality of channel signals based on the RF signal. Generating the plurality of channel signals includes separating the RF signal into a plurality of channels in which each channel of the plurality of channels includes at least a portion of a respective subset of the plurality of data beams. The receiver is further configured to decode each data beam of the plurality of channel signals with a respective phase and a respective time delay. The receiver is further configured to output the plurality of data beams of the plurality of channels.
    Type: Application
    Filed: October 10, 2023
    Publication date: February 1, 2024
    Inventors: Alireza Mehrnia, Masoud Kahrizi, Alex Ahmad Mirzaei, Bagher Afshar, Ali Sajjadi, Bernd Pregardier, Ka Shun Carson Pun, Omid Nasiby, Igor Elgorriaga
  • Publication number: 20240039594
    Abstract: In an embodiment, an apparatus includes one or more electrical components. The one or more electrical components are configured to encode each data beam of a first plurality of data beams of a first channel to generate an encoded first plurality of data beams. The one or more electrical components are configured to encode each data beam of a second plurality of data beams of a second channel to generate an encoded second plurality of data beams. The one or more electrical components are configured to generate a combined channel comprising an aggregation of at least a portion of the encoded first plurality of data beams and at least a portion of the encoded second plurality of data beams.
    Type: Application
    Filed: October 9, 2023
    Publication date: February 1, 2024
    Inventors: Alireza Mehrnia, Masoud Kahrizi, Ka Shun Carson Pun, Omid Nasiby, Alex Ahmad Mirzaei
  • Patent number: 11855362
    Abstract: In an embodiment, a device is included in a communications system, the device including a plurality of antenna elements configured in a phased array antenna; a plurality of integrated circuit (IC) chips, wherein each IC chip of the plurality of IC chips is associated with a respective subset of antenna elements of the plurality of antenna elements, and wherein, for each IC chip of the plurality of IC chips, the associated subset of antenna elements is used for transmitting and receiving radio frequency (RF) signals by the IC chip; and a local oscillator configured to generate a common local oscillator signal and provide the common local oscillator signal to each IC chip of the plurality of IC chips.
    Type: Grant
    Filed: May 3, 2020
    Date of Patent: December 26, 2023
    Assignee: Space Exploration Technologies Corp.
    Inventors: Masoud Kahrizi, Alex Ahmad Mirzaei, Ali Sajjadi, Bagher Afshar, Babak Vakili-Amini, Alireza Mehrnia, Behzad Nourani, Bernd Pregardier
  • Publication number: 20230388029
    Abstract: In an embodiment, an apparatus includes a first baseband section to receive a calibration signal; a first radio frequency (RF) section configured to generate a RF calibration signal based on modulating the calibration signal. The calibration signal comprises an orthogonal code based signal. The apparatus includes a second RF section to receive the RF calibration signal and generate a received calibration signal based on demodulating the RF calibration signal; a calibration section; a first antenna electrically coupled to the first RF section and configured to transmit the RF calibration signal; and a second antenna electrically coupled to the second RF section and configured to receive the RF calibration signal. The calibration section is configured to determine one or more of gain, baseband delay, or RF delay to calibrate the first RF section; and the second antenna is switchable between receiving the RF calibration signal and transmitting an encoded data signal.
    Type: Application
    Filed: July 28, 2023
    Publication date: November 30, 2023
    Inventors: David Francois Jacquet, Masoud Kahrizi, Robert Baummer, JR., Jean-Noel Rozec, Fabrice Jean André Belvèze, Paul Lee Pearson, Francois Lucien Emile Icher, Marc Gens, Pascal Triaire
  • Publication number: 20230378960
    Abstract: In an embodiment, an apparatus includes one or more timing components configured to generate a reference time signal based on a timing signal and a reference clock signal. The apparatus includes phase lock loop (PLL) configured to generate a synchronized output clock signal based on the reference clock signal and the reference time signal.
    Type: Application
    Filed: July 24, 2023
    Publication date: November 23, 2023
    Inventors: David Francois Jacquet, Mostafa Ghazali, Masoud Kahrizi, Andras Tantos
  • Patent number: 11817894
    Abstract: In an embodiment, a receiver included in a communications system includes a channel extractor configured to segregate a received signal into a plurality of channel signals, wherein the plurality of channel signals includes a plurality of data signals; and a plurality of decoders electrically coupled to the channel extractor and configured to decode each of the plurality of channel signals into a respective plurality of decoded data beam portions.
    Type: Grant
    Filed: September 13, 2022
    Date of Patent: November 14, 2023
    Assignee: Space Exploration Technologies Corp.
    Inventors: Alireza Mehrnia, Masoud Kahrizi, Alex Ahmad Mirzaei, Bagher Afshar, Ali Sajjadi, Bernd Pregardier, Ka Shun Carson Pun, Omid Nasiby, Igor Elgorriaga
  • Patent number: 11811476
    Abstract: In an embodiment, an apparatus includes a digital beamforming section. The digital beamforming section is configured to encode each data beam of a first plurality of data beams of a first channel with a first plurality of respective time delays and phases to generate an encoded first plurality of data beams and encode each data beam of a second plurality of data beams of a second channel with a second plurality of respective time delays and phases to generate an encoded second plurality of data beams. The second plurality of data beams is different from the first plurality of data beams. The apparatus includes a channel combiner, electrically coupled to the digital beamforming section, and configured to generate a combined channel comprising an aggregation of at least a portion of the encoded first plurality of data beams and at least a portion of the encoded second plurality of data beams.
    Type: Grant
    Filed: September 9, 2022
    Date of Patent: November 7, 2023
    Assignee: Space Exploration Technologies Corp.
    Inventors: Alireza Mehrnia, Masoud Kahrizi, Ka Shun Carson Pun, Omid Nasiby, Alex Ahmad Mirzaei
  • Patent number: 11716153
    Abstract: In an embodiment, an apparatus includes a transmit section including a first baseband section and a first radio frequency (RF) section, wherein the transmit section is configured to receive a calibration signal, the first RF section is configured to generate a RF calibration signal based on modulating the calibration signal. The calibration signal comprises an orthogonal code based signal; and a receive section configured to receive the RF calibration signal over-the-air, the receive section includes a second RF section and a calibration section, the second RF section is configured to generate a received calibration signal based on the RF calibration signal, the received calibration signal and a reference signal associated with the RF calibration signal comprise inputs to the calibration section and the calibration section is configured to determine one or more of gain, baseband delay, or RF delay compensation values, based on the inputs, to calibrate the transmit section.
    Type: Grant
    Filed: May 18, 2022
    Date of Patent: August 1, 2023
    Assignee: Space Exploration Technologies Corp.
    Inventors: David Francois Jacquet, Masoud Kahrizi, Robert Baummer, Jr., Jean-Noel Rozec, Fabrice Jean André Belvèze, Paul Lee Pearson, Francois Lucien Emile Icher, Marc Gens, Pascal Triaire
  • Patent number: 11711084
    Abstract: In an embodiment, an apparatus includes an integrated circuit (IC) chip configured to receive a timing signal and a reference clock signal. The IC chips is configured to a reference time signal based on the timing signal and the reference clock signal. The IC chip includes a phase lock loop (PLL). The PLL is synchronized based on the reference time signal.
    Type: Grant
    Filed: April 5, 2022
    Date of Patent: July 25, 2023
    Assignee: Space Exploration Technologies Corp.
    Inventors: David Francois Jacquet, Mostafa Ghazali, Masoud Kahrizi, Andras Tantos
  • Publication number: 20230008670
    Abstract: In an embodiment, an apparatus includes a digital beamforming section. The digital beamforming section is configured to encode each data beam of a first plurality of data beams of a first channel with a first plurality of respective time delays and phases to generate an encoded first plurality of data beams and encode each data beam of a second plurality of data beams of a second channel with a second plurality of respective time delays and phases to generate an encoded second plurality of data beams. The second plurality of data beams is different from the first plurality of data beams. The apparatus includes a channel combiner, electrically coupled to the digital beamforming section, and configured to generate a combined channel comprising an aggregation of at least a portion of the encoded first plurality of data beams and at least a portion of the encoded second plurality of data beams.
    Type: Application
    Filed: September 9, 2022
    Publication date: January 12, 2023
    Inventors: Alireza Mehrnia, Masoud Kahrizi, Ka Shun Carson Pun, Omid Nasiby, Alex Ahmad Mirzaei
  • Publication number: 20230006706
    Abstract: In an embodiment, a receiver included in a communications system includes a channel extractor configured to segregate a received signal into a plurality of channel signals, wherein the plurality of channel signals includes a plurality of data signals; and a plurality of decoders electrically coupled to the channel extractor and configured to decode each of the plurality of channel signals into a respective plurality of decoded data beam portions.
    Type: Application
    Filed: September 13, 2022
    Publication date: January 5, 2023
    Inventors: Alireza Mehrnia, Masoud Kahrizi, Alex Ahmad Mirzaei, Bagher Afshar, Ali Sajjadi, Bernd Pregardier, Ka Shun Carson Pun, Omid Nasiby, Igor Elgorriaga
  • Patent number: 11483021
    Abstract: In an embodiment, a receiver included in a communications system includes a channel extractor configured to segregate a received signal into a plurality of channel signals, wherein the plurality of channel signals includes a plurality of data signals; and a plurality of decoders electrically coupled to the channel extractor and configured to decode each of the plurality of channel signals into a respective plurality of decoded data beam portions.
    Type: Grant
    Filed: March 5, 2021
    Date of Patent: October 25, 2022
    Assignee: Space Exploration Technologies Corp.
    Inventors: Alireza Mehrnia, Masoud Kahrizi, Alex Ahmad Mirzaei, Bagher Afshar, Ali Sajjadi, Bernd Pregardier, Ka Shun Carson Pun, Omid Nasiby, Igor Elgorriaga
  • Patent number: 11469802
    Abstract: In an embodiment, an apparatus includes a first plurality of digital beamformers associated with a first channel, the first plurality of digital beamformers configured to encode each data beam of a first plurality of data beams of the first channel to generate an encoded first plurality of data beams; a second plurality of digital beamformers associated with a second channel different from the first channel, the second plurality of digital beamformers configured to encode each data beam of a second plurality of data beams of the second channel to generate an encoded second plurality of data beams; and a channel combiner, electrically coupled to the first and second plurality of digital beamformers, and configured to generate a combined channel comprising an aggregation of at least a portion of the encoded first plurality of data beams and at least a portion of the encoded second plurality of data beams.
    Type: Grant
    Filed: February 26, 2021
    Date of Patent: October 11, 2022
    Assignee: Space Exploration Technologies Corp.
    Inventors: Alireza Mehrnia, Masoud Kahrizi, Ka Shun Carson Pun, Omid Nasiby, Alex Ahmad Mirzaei
  • Publication number: 20220278760
    Abstract: In an embodiment, an apparatus includes a transmit section including a first baseband section and a first radio frequency (RF) section, wherein the transmit section is configured to receive a calibration signal, the first RF section is configured to generate a RF calibration signal based on modulating the calibration signal. The calibration signal comprises an orthogonal code based signal; and a receive section configured to receive the RF calibration signal over-the-air, the receive section includes a second RF section and a calibration section, the second RF section is configured to generate a received calibration signal based on the RF calibration signal, the received calibration signal and a reference signal associated with the RF calibration signal comprise inputs to the calibration section and the calibration section is configured to determine one or more of gain, baseband delay, or RF delay compensation values, based on the inputs, to calibrate the transmit section.
    Type: Application
    Filed: May 18, 2022
    Publication date: September 1, 2022
    Inventors: David Francois Jacquet, Masoud Kahrizi, Robert Baummer, JR., Jean-Noel Rozec, Fabrice Jean André Belvèze, Paul Lee Pearson, Francois Lucien Emile Icher, Marc Gens, Pascal Triaire
  • Publication number: 20220231691
    Abstract: In an embodiment, an apparatus includes an integrated circuit (IC) chip configured to receive a timing signal and a reference clock signal. The IC chips is configured to a reference time signal based on the timing signal and the reference clock signal. The IC chip includes a phase lock loop (PLL). The PLL is synchronized based on the reference time signal.
    Type: Application
    Filed: April 5, 2022
    Publication date: July 21, 2022
    Inventors: David Francois Jacquet, Mostafa Ghazali, Masoud Kahrizi, Andras Tantos
  • Patent number: 11362742
    Abstract: In an embodiment, an apparatus included in a communications system includes a transmit section including a first baseband section and a first radio frequency (RF) section, wherein the transmit section is configured to receive a calibration signal, the first RF section is configured to generate a RF calibration signal based on the calibration signal, and wherein the calibration signal comprises an orthogonal code based signal; and a receive section configured to receive the RF calibration signal over-the-air, wherein the receive section includes a second RF section and a calibration section, wherein the second RF section is configured to generate a received calibration signal based on the RF calibration signal, and wherein the calibration section is configured to determine one or more of gain, baseband delay, or RF delay compensation values, based on the inputs, to calibrate the transmit section.
    Type: Grant
    Filed: May 13, 2020
    Date of Patent: June 14, 2022
    Assignee: Space Exploration Technologies Corp.
    Inventors: David Francois Jacquet, Masoud Kahrizi, Robert Baummer, Jr., Jean-Noel Rozec, Fabrice Jean André Belvèze, Paul Lee Pearson, Francois Lucien Emile Icher, Marc Gens, Pascal Triaire
  • Patent number: 11329653
    Abstract: In an embodiment, an apparatus includes a first integrated circuit (IC) chip configured to receive a timing signal and a reference clock signal; and a second IC chip configured to receive the timing signal and the reference clock signal. The first and second IC chips are configured to generate respective first and second reference time signals based on the timing signal and the reference clock signal. The first and second IC chips include a respective first phase lock loop (PLL) and second PLL. The first PLL and the second PLL are synchronized to each other based on the first reference time signal and the second reference time signal.
    Type: Grant
    Filed: August 12, 2021
    Date of Patent: May 10, 2022
    Assignee: Space Exploration Technologies Corp.
    Inventors: David Francois Jacquet, Mostafa Ghazali, Masoud Kahrizi, Andras Tantos
  • Publication number: 20210376837
    Abstract: In an embodiment, an apparatus includes a first integrated circuit (IC) chip configured to receive a timing signal and a reference clock signal; and a second IC chip configured to receive the timing signal and the reference clock signal. The first and second IC chips are configured to generate respective first and second reference time signals based on the timing signal and the reference clock signal. The first and second IC chips include a respective first phase lock loop (PLL) and second PLL. The first PLL and the second PLL are synchronized to each other based on the first reference time signal and the second reference time signal.
    Type: Application
    Filed: August 12, 2021
    Publication date: December 2, 2021
    Inventors: David Francois Jacquet, Mostafa Ghazali, Masoud Kahrizi, Andras Tantos
  • Patent number: 11133806
    Abstract: In an embodiment, an apparatus includes a first integrated circuit (IC) chip configured to receive a timing signal and a reference clock signal; a second IC chip configured to receive the timing signal from the first IC chip and the reference clock signal; and a third IC chip configured to receive the timing signal from the second IC chip and the reference clock signal. The second IC chip is electrically coupled between the first and third IC chips. The first, second, and third IC chips include respectively first, second, and third phase lock loop (PLL). The first, second, and third IC chips are configured to generate respective first, second, and third reference time signals based on the timing signal and the reference clock signal. The first, second, and third PLLs are synchronized to each other based on the respective first, second, and third reference time signals.
    Type: Grant
    Filed: April 26, 2020
    Date of Patent: September 28, 2021
    Assignee: Space Exploration Technologies Corp.
    Inventors: David Francois Jacquet, Mostafa Ghazali, Masoud Kahrizi, Andras Tantos