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公开(公告)号：US20230006706A1
公开(公告)日：2023-01-05
申请号：US17944041
申请日：2022-09-13
Applicant: Space Exploration Technologies Corp.
Inventor： Alireza Mehrnia , Masoud Kahrizi , Alex Ahmad Mirzaei , Bagher Afshar , Ali Sajjadi , Bernd Pregardier , Ka Shun Carson Pun , Omid Nasiby , Igor Elgorriaga
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.
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公开(公告)号：US11469802B2
公开(公告)日：2022-10-11
申请号：US17187607
申请日：2021-02-26
Applicant: Space Exploration Technologies Corp.
Inventor： Alireza Mehrnia , Masoud Kahrizi , Ka Shun Carson Pun , Omid Nasiby , Alex Ahmad Mirzaei
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.
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公开(公告)号：US20220321185A1
公开(公告)日：2022-10-06
申请号：US17703831
申请日：2022-03-24
Applicant: Space Exploration Technologies Corp.
Inventor： Eric Pepin , Kim W. Schulze , Amir Agah , Dean A. De Carli , Philippe Riondet
Abstract: Systems, methods, and computer-readable media are provided for hybrid beamforming. An example method can include determining digital beamforming weights associated with a plurality of digital beamforming paths between digital beamformers and groups of analog beamforming circuits in a phased array antenna, each digital beamforming path being coupled to a group of analog beamforming circuits and each analog beamforming circuit being coupled to a respective set of antenna elements of the phased array antenna; determining analog beamforming weights associated with the groups of analog beamforming circuits, the analog beamforming weights comprising inverses of the digital beamforming weights; determining calibration offsets estimated to put analog beamforming paths associated with the groups of analog beamforming circuits in a desired phase and gain relationship to each other; and varying, based at least partly on the calibration offsets, a signal phase shift across the analog beamforming paths associated with the groups of analog beamforming circuits.
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公开(公告)号：USD962908S1
公开(公告)日：2022-09-06
申请号：US29741092
申请日：2020-07-09
Applicant: Space Exploration Technologies Corp.
Designer： Jackson Shaffner , Anthony Sims , Michael J. Conte , Victor Q. Dang , David Milroy , Duncan Edwin Adams
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公开(公告)号：US11362742B2
公开(公告)日：2022-06-14
申请号：US15931443
申请日：2020-05-13
Applicant: Space Exploration Technologies Corp.
Inventor： 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
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.
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Patent Agency Ranking
公开(公告)号：US11283666B1
公开(公告)日：2022-03-22
申请号：US17185501
申请日：2021-02-25
Applicant: Space Exploration Technologies Corp.
Inventor： Martin S. McCormick , Feipeng Wang
Abstract: A wireless communications system includes a stochastic pre-distortion actuator configured to receive a carrier-modulated signal and convert the carrier-modulated signal into an output signal. The system includes one or more antennas configured to receive the output signal and transmit the output signal, one or more power amplifiers electrically coupled between the pre-distortion actuator and the one or more antennas and a receiver configured to receive the output signal over-the-air and generate feedback based on the output signal. The pre-distortion actuator is configured to generate the output signal by applying a correction to the carrier-modulated signal that cancels out nonlinearities associated with the one or more antennas and/or the one or more power amplifiers. The pre-distortion actuator is configured based on the feedback.
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公开(公告)号：US11239553B2
公开(公告)日：2022-02-01
申请号：US17013733
申请日：2020-09-07
Applicant: Space Exploration Technologies Corp.
Inventor： Alireza Mahanfar
Abstract: A phased array antenna system configured for communication with a satellite that emits or receives radio frequency (RF) signals travels in a first direction, the antenna system includes a phased array antenna including a plurality of antenna elements distributed in a plurality of M columns oriented in the first direction and a plurality of N rows extending in a second direction normal to the first direction, and a plurality of fixed phase shifters aligned for phase offsets between antenna elements in the first direction and a gain-enhancement system configured for gain enhancement in the second direction of radio frequency signals received by and emitted from the phased array antenna.
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公开(公告)号：US20210351513A1
公开(公告)日：2021-11-11
申请号：US16869514
申请日：2020-05-07
Applicant: Space Exploration Technologies Corp.
Inventor： Young Jun Song , Bhaskar S. Vadathavoor , Anthony Sims , Remy D. Labesque , Javier Verdura , Leonardo J. Vasquez , Mohsen Zolghadri-Jahromi
Abstract: An antenna system includes a first metal housing portion having a metal housing connecting edge, the first metal housing portion having a triangular side profile, and a second non-metal housing portion having a non-metal housing connecting edge, the non-metal housing connecting edge being complimentary to the metal housing connecting edge of the first metal housing, the second non-metal housing portion having a triangular side profile. A first and second dipole antenna are printed on a circuit board positioned in the non-metal housing portion. The first and second dipole antennas are configured such that the direction of the first and second dipole currents are approximately normal to a plane defined by the metal housing connecting edge.
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公开(公告)号：US20210249749A1
公开(公告)日：2021-08-12
申请号：US17245515
申请日：2021-04-30
Applicant: Space Exploration Technologies Corp.
Inventor： Souren Shamsinejad , Javier Rodriguez De Luis , Nil Apaydin , Alireza Mahanfar
IPC: H01P5/19
Abstract: In some embodiments, an apparatus includes a first layer having a first plurality of electrically conductive traces comprising a first portion of a plurality of hierarchical networks; a second layer having a second plurality of electrically conductive traces comprising a second portion of the plurality of hierarchical networks; and a plurality of vias electrically connecting the first plurality of electrically conductive traces of the first layer to the respective second plurality of electrically conductive traces of the second layer to define the plurality of hierarchical networks. The first plurality of electrically conductive traces is orientated in a first direction and the second plurality of electrically conductive traces is orientated in a second direction different from the first direction.
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公开(公告)号：US20210194524A1
公开(公告)日：2021-06-24
申请号：US17193633
申请日：2021-03-05
Applicant: Space Exploration Technologies Corp.
Inventor： Alireza Mehrnia , Masoud Kahrizi , Alex Ahmad Mirzaei , Bagher Afshar , Ali Sajjadi , Bernd Pregardier , Ka Shun Carson Pun , Omid Nasiby , Igor Elgorriaga
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.
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