Patents by Inventor Alireza Mahanfar
Alireza Mahanfar 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).
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Patent number: 11211702Abstract: A communication system can include a support structure, a receiving phased array antenna, and a transmitting phased array antenna that is physically superimposed with the receiving phased array antenna on the support structure. The receiving phased array antenna can include a plurality of receiving antennas and/or transmitting/receiving antennas, and the transmitting phased array antenna can include a plurality of transmitting/receiving antennas and/or transmitting antennas, with at least a subset of transmitting/receiving antennas shared between the two phased array antennas. Appropriate spacing between the antennas of the receiving and transmitting phased array antennas can be achieved by overlaying the transmitting phased array antenna with a rotational offset compared to the receiving phased array antenna, and the different spacing of the antennas in the receiving phased array antenna and the transmitting phased array antenna permits the use of each array in different frequency bands.Type: GrantFiled: December 11, 2019Date of Patent: December 28, 2021Assignee: Amazon Technologies, Inc.Inventors: Alireza Mahanfar, Gordon Coutts
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Publication number: 20210384642Abstract: In some embodiments, a phased array antenna, includes a plurality of antenna modules arranged in an antenna lattice configuration to form the phased array antenna, wherein an antenna module of the plurality of antenna modules includes an antenna element packaged together with an amplifier.Type: ApplicationFiled: April 21, 2021Publication date: December 9, 2021Inventors: Alireza Mahanfar, Souren Shamsinejad, Shaya Karimkashi Arani, Siamak Ebadi, Ersin Yetisir, Peter Sung Tri Hoang, Javier Rodriguez De Luis, Nil Apaydin
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Patent number: 11146323Abstract: In embodiments, an apparatus includes a beamformer including a plurality of inputs and a plurality of outputs, a plurality of input vias, and a plurality of output vias. Each input of the plurality of inputs electrically couples to a respective input via of the plurality of input vias. Each output of the plurality of outputs electrically couples to a respective output via of the plurality of output vias. The beamformer is included in a first layer, wherein the plurality of input vias are configured to electrically couple to termination trace ends of a plurality of hierarchical networks provided on at least second and third layers, and wherein the plurality of hierarchical networks comprises at least three hierarchical networks.Type: GrantFiled: February 14, 2019Date of Patent: October 12, 2021Assignee: SPACE EXPLORATION TECHNOLOGIES CORP.Inventors: Nil Apaydin, Chiara Pelletti, Souren Shamsinejad, Alireza Mahanfar
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Publication number: 20210296789Abstract: In some embodiments, a phased array antenna includes a carrier; a first plurality of antenna elements carried by the carrier and configured to transmit and/or receive signals at a first value of a parameter, and a second plurality of antenna elements carried by the carrier and configured to transmit and/or receive signals at a second value of the parameter different from the first value of the parameter. The antenna elements of the first plurality of antenna elements and the second plurality of antenna elements are located within a common aperture of the phased array antenna.Type: ApplicationFiled: June 4, 2021Publication date: September 23, 2021Inventors: Alireza Mahanfar, Javier Rodriguez De Luis, Nil Apaydin, Ersin Yetisir, Shaya Karimkashi Arani
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Publication number: 20210249749Abstract: 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.Type: ApplicationFiled: April 30, 2021Publication date: August 12, 2021Applicant: Space Exploration Technologies Corp.Inventors: Souren Shamsinejad, Javier Rodriguez De Luis, Nil Apaydin, Alireza Mahanfar
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Patent number: 11056801Abstract: Embodiments of present disclosure are directed to apparatuses, systems, and methods relating to antenna apertures in phased array antenna systems directed to configuring antenna lattices in a space tapered configuration and mapping from the antenna lattices, interspersing of antenna elements in an antenna aperture, and rotation of antenna element in the antenna aperture for purity polarization.Type: GrantFiled: February 14, 2019Date of Patent: July 6, 2021Assignee: Space Exploration Technologies Corp.Inventors: Alireza Mahanfar, Javier Rodriguez De Luis, Nil Apaydin, Ersin Yetisir, Shaya Karimkashi Arani
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Patent number: 11018436Abstract: In some embodiments, an antenna module includes an antenna element having a first side and a second side opposite the first side; a spacer structure disposed at the second side of the antenna element and configured to define a cavity, the spacer structure configured to be physically and electrically couplable with a printed circuit board (PCB) of a receiver or a transmitter; and an amplifier located within the cavity. The first side comprises a radiating side of the antenna element.Type: GrantFiled: February 14, 2019Date of Patent: May 25, 2021Assignee: Space Exploration Technologies Corp.Inventors: Alireza Mahanfar, Souren Shamsinejad, Shaya Karimkashi Arani, Siamak Ebadi, Ersin Yetisir, Peter Sung Tri Hoang, Javier Rodriguez De Luis, Nil Apaydin
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Patent number: 10998606Abstract: In embodiments, a power splitter/combiner includes a first electrically conductive trace included in a first layer; second and third electrically conductive traces included in a second layer; a first via electrically coupled to the first and second electrically conductive traces; and a second via electrically coupled to the first and third electrically conductive traces. A first portion of the first electrically conductive trace comprises a first port of the power splitter/combiner. A second portion of the first electrically conductive trace, the first via, and the second electrically conductive trace comprises a second port of the power splitter/combiner. A third portion of the first electrically conductive trace, the second via, and the third electrically conductive trace comprises a third port of the power splitter/combiner.Type: GrantFiled: February 14, 2019Date of Patent: May 4, 2021Assignee: Space Exploration Technologies Corp.Inventors: Souren Shamsinejad, Javier Rodriguez De Luis, Nil Apaydin, Alireza Mahanfar
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Patent number: 10971817Abstract: In one embodiment of the present disclosure, a phased array antenna system includes a first portion carrying an antenna lattice including a plurality of antenna elements, wherein the plurality of antenna elements are arranged in a first configuration, a second portion carrying a beamformer lattice including a plurality of beamformer elements, wherein the plurality of beamformer elements are arranged in a second configuration different from the first configuration, and a third portion disposed between the first portion and the second portion carrying at least a portion of a mapping including a first plurality of mapping traces on a first surface providing at least a portion of the electrical connection between the plurality of antenna elements and the plurality of beamformer elements, wherein each of the plurality of antenna elements are electrically coupled to one of the plurality of beamformer elements.Type: GrantFiled: February 14, 2019Date of Patent: April 6, 2021Assignee: Space Exploration Technologies Corp.Inventors: Javier Rodriguez De Luis, Robert Baummer, Jr., Nil Apaydin, Alireza Mahanfar
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Patent number: 10879586Abstract: Techniques for utilization of antenna loading for impedance matching are described. In at least some embodiments, a device (e.g., a smart phone) includes multiple antennas that are employed to send and receive wireless signals for the device. The device further includes impedance matching functionality communicatively connected to the antennas, and configured to perform impedance matching for one of the antennas based on loading (e.g., dielectric loading) of another of the antennas.Type: GrantFiled: May 10, 2016Date of Patent: December 29, 2020Assignee: Microsoft Technology Licensing, LLCInventors: Alireza Mahanfar, Javier Rodriguez De Luis, Stanley Yu Tao Ng, Benjamin J. Shewan, Kim Willi Schulze
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Publication number: 20200403309Abstract: 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.Type: ApplicationFiled: September 7, 2020Publication date: December 24, 2020Applicant: Space Exploration Technologies Corp.Inventor: Alireza Mahanfar
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Patent number: 10770790Abstract: A phased array antenna system configured for communication with a satellite that emits or receives radio frequency (RF) signals and has a repeating ground track 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.Type: GrantFiled: February 28, 2018Date of Patent: September 8, 2020Assignee: Space Exploration Technologies Corp.Inventor: Alireza Mahanfar
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Patent number: 10693218Abstract: An apparatus is provided with a conductive bezel section and a conductive ground plane section forming a perimeter and being positioned opposite the conductive bezel section. The conductive ground plane section is separated from the conductive bezel section by a perimeter gap at the perimeter. A structural tank circuit is integrated with and connecting the conductive bezel section and the conductive ground plane section across the perimeter gap. Another implementation may include a structural capacitor or a structural inductor integrated with and connecting the conductive bezel section and the conductive ground plane section across the perimeter gap.Type: GrantFiled: October 17, 2014Date of Patent: June 23, 2020Assignee: Microsoft Technology Licensing, LLCInventors: Sidharath Jain, Nil Apaydin, Javier R. De Luis, Ben Shewan, Alireza Mahanfar, Paul O'Brien
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Publication number: 20190252800Abstract: In one embodiment of the present disclosure, a self-multiplexing antenna includes a substrate, a first antenna element carried by the substrate, the first antenna element including a first antenna patch, and a first antenna reflector, a first signal feed connected with the first antenna patch, a second antenna element carried by the substrate, wherein the second antenna element is at least partially vertically aligned with the first antenna element, the second antenna element including a second antenna patch, and a second antenna reflector, a second signal feed connected with the second antenna patch, and a first isolator cavity between the second antenna reflector and the first antenna patch.Type: ApplicationFiled: February 14, 2019Publication date: August 15, 2019Applicant: Space Exploration Technologies Corp.Inventors: Ersin Yetisir, Alireza Mahanfar
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Publication number: 20190252801Abstract: Embodiments of present disclosure are directed to apparatuses, systems, and methods relating to antenna apertures in phased array antenna systems directed to configuring antenna lattices in a space tapered configuration and mapping from the antenna lattices, interspersing of antenna elements in an antenna aperture, and rotation of antenna element in the antenna aperture for purity polarization.Type: ApplicationFiled: February 14, 2019Publication date: August 15, 2019Applicant: Space Exploration Technologies Corp.Inventors: Alireza Mahanfar, Javier Rodriguez De Luis, Nil Apaydin, Ersin Yetisir, Shaya Karimkashi Arani
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Publication number: 20190252796Abstract: In some embodiments, an antenna module includes an antenna element having a first side and a second side opposite the first side; a spacer structure disposed at the second side of the antenna element and configured to define a cavity, the spacer structure configured to be physically and electrically couplable with a printed circuit board (PCB) of a receiver or a transmitter; and an amplifier located within the cavity. The first side comprises a radiating side of the antenna element.Type: ApplicationFiled: February 14, 2019Publication date: August 15, 2019Inventors: Alireza Mahanfar, Souren Shamsinejad, Shaya Karimkashi Arani, Siamak Ebadi, Ersin Yetisir, Peter Sung Tri Hoang, Javier Rodriguez De Luis, Nil Apaydin
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Publication number: 20190253125Abstract: In embodiments, an apparatus includes a beamformer including a plurality of inputs and a plurality of outputs, a plurality of input vias, and a plurality of output vias. Each input of the plurality of inputs electrically couples to a respective input via of the plurality of input vias. Each output of the plurality of outputs electrically couples to a respective output via of the plurality of output vias. The beamformer is included in a first layer, wherein the plurality of input vias are configured to electrically couple to termination trace ends of a plurality of hierarchical networks provided on at least second and third layers, and wherein the plurality of hierarchical networks comprises at least three hierarchical networks.Type: ApplicationFiled: February 14, 2019Publication date: August 15, 2019Inventors: Nil Apaydin, Chiara Pelletti, Souren Shamsinejad, Alireza Mahanfar
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Publication number: 20190252774Abstract: In one embodiment of the present disclosure, a phased array antenna system includes a first portion carrying an antenna lattice including a plurality of antenna elements, wherein the plurality of antenna elements are arranged in a first configuration, a second portion carrying a beamformer lattice including a plurality of beamformer elements, wherein the plurality of beamformer elements are arranged in a second configuration different from the first configuration, and a third portion disposed between the first portion and the second portion carrying at least a portion of a mapping including a first plurality of mapping traces on a first surface providing at least a portion of the electrical connection between the plurality of antenna elements and the plurality of beamformer elements, wherein each of the plurality of antenna elements are electrically coupled to one of the plurality of beamformer elements.Type: ApplicationFiled: February 14, 2019Publication date: August 15, 2019Applicant: Space Exploration Technologies Corp.Inventors: Javier Rodriguez De Luis, Robert Baummer, JR., Nil Apaydin, Alireza Mahanfar
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Publication number: 20190252775Abstract: In one embodiment of the present disclosure, a phased array antenna system includes a first portion carrying an antenna lattice including a plurality of antenna elements, wherein the plurality of antenna elements are arranged in a first configuration, and a second portion carrying a beamformer lattice including a plurality of beamformer elements, wherein the plurality of beamformer elements are arranged in a second configuration different from the first configuration, wherein each of the plurality of antenna elements are electrically coupled to one of the plurality of beamformer elements.Type: ApplicationFiled: February 14, 2019Publication date: August 15, 2019Applicant: Space Exploration Technologies Corp.Inventors: Alireza Mahanfar, Javier Rodriguez De Luis
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Publication number: 20190252755Abstract: In embodiments, a power splitter/combiner includes a first electrically conductive trace included in a first layer; second and third electrically conductive traces included in a second layer; a first via electrically coupled to the first and second electrically conductive traces; and a second via electrically coupled to the first and third electrically conductive traces. A first portion of the first electrically conductive trace comprises a first port of the power splitter/combiner. A second portion of the first electrically conductive trace, the first via, and the second electrically conductive trace comprises a second port of the power splitter/combiner. A third portion of the first electrically conductive trace, the second via, and the third electrically conductive trace comprises a third port of the power splitter/combiner.Type: ApplicationFiled: February 14, 2019Publication date: August 15, 2019Inventors: Souren Shamsinejad, Javier Rodriguez De Luis, Nil Apaydin, Alireza Mahanfar