Patents by Inventor Ahmadreza Rofougaran
Ahmadreza Rofougaran 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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Optical routing device for ultra-flexible and ultra-reliable laser beam based wireless communication
Patent number: 12081922Abstract: An optical routing device that includes a mounting component which includes a rechargeable battery and a processor that communicates over-the-air with a master communication device or one or more service communication devices via RF supervisory links. The processor receives an instruction via the RF supervisory links to control a movement of the mounting component along with the optical routing component such that an angle or a direction of deflection of laser beams from an optical routing component of optical routing device is changed. The one or more laser beams are deflected from the optical routing component over-the-air for free-space optical communication among the master communication device and the one or more service communication devices via at least the optical routing device independent of optical fibers.Type: GrantFiled: December 29, 2023Date of Patent: September 3, 2024Assignee: Wireless Photonics LLCInventors: Ahmadreza Rofougaran, Bahram Jalali, Mehdi Hatamian, Arman Rofougaran, Milan Rofougaran -
Patent number: 12066547Abstract: A method of measuring a distance between a vehicle and one or more objects, includes generating a modulation signal; generating a modulated light emitting diode (LED) transmission signal, via a vehicle LED driver assembly; transmitting a plurality of light beams based at least in part on the generated modulated LED transmission signal; capturing a reflection of the plurality of light beams off the one or more objects, utilizing one or more lens assemblies and a camera, the camera including an array of pixel sensors and being positioned on the vehicle; communicating a series of measurements representing the captured plurality of light beam reflections; calculating, utilizing the time-of-flight sensor module, time of flight measurements between the vehicle LED light assembly and the one or more objects and calculating distances, utilizing a depth processor module, between the vehicle LED light assembly and the one or more objects based on the time-of-flight measurements.Type: GrantFiled: March 5, 2024Date of Patent: August 20, 2024Assignee: Wireless Photonics, LLCInventors: Bahram Jalali, Alexandra Jalali, Mehdi Hatamian, Ahmadreza Rofougaran
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Patent number: 12052053Abstract: A communication system that includes a first optical node at a first location in a defined indoor area and a second optical node at a second location, where each of the first optical node and the second optical node comprises one or more first type of sensors. The first optical node establishes RF supervisory link with second optical node and performs a first optical alignment with the second optical node based on sensor measurements from the one or more first type of sensors. The sensor measurements are exchanged between the first optical node and the second optical node over the established RF supervisory link for the first optical alignment. The first optical node performs a second optical alignment with the second optical node and establishes a free-space optical link as a laser backhaul with the second optical node based on the first optical alignment and the second optical alignment.Type: GrantFiled: January 9, 2024Date of Patent: July 30, 2024Assignee: Wireless Photonics LLCInventors: Ahmadreza Rofougaran, Bahram Jalali, Mehdi Hatamian, Arman Rofougaran, Milan Rofougaran
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Patent number: 12046820Abstract: An antenna module that includes an antenna substrate, a plurality of three-dimensional (3-D) antenna cells on a first surface of the antenna substrate, a plurality of packaged circuitry on a second surface of the antenna substrate, and a plurality of supporting balls mounted on the second surface of the antenna substrate. The plurality of packaged circuitry includes a plurality of radio-frequency (RF) chips on the second surface of the antenna substrate. Each of the plurality of 3-D antenna cells comprises a raised antenna patch with a plurality of projections and a plurality of supporting legs, where at least a relief cut is provided between one of the plurality of projections and one of the plurality of supporting legs.Type: GrantFiled: September 13, 2022Date of Patent: July 23, 2024Assignee: Movandi CorporationInventors: Seunghwan Yoon, Zhihui Wang, Franco De Flaviis, Alfred Grau Besoli, Kartik Sridharan, Ahmadreza Rofougaran, Michael Boers, Sam Gharavi, Donghyup Shin, Farid Shirinfar, Stephen Wu, Maryam Rofougaran
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Patent number: 12008164Abstract: An assistive device and method for non-visually discerning a three-dimensional (3D) real-world area surrounding a user, comprises a haptic feedback interface that includes a plurality of haptic elements. The assistive device receives sensor data of the 3D real-world area within a first proximity range of the assistive device from a plurality of different types of sensors that are communicatively coupled to the assistive device. The assistive device establishes a mapping of a plurality of objects within the first proximity range to the plurality of haptic elements in a defined region of the haptic feedback interface, based on the received sensor data. A haptic feedback generator generates a touch-discernible feedback on the haptic feedback interface based on the established mapping. The touch-discernible feedback comprises a plurality of differential touch-discernible cues to enable the user to non-visually discern the 3D real-world area surrounding the user.Type: GrantFiled: September 29, 2020Date of Patent: June 11, 2024Inventors: Alex Hamid Mani, Ahmadreza Rofougaran
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Patent number: 12003029Abstract: An antenna module that includes an antenna substrate, a plurality of three-dimensional (3-D) antenna cells on a first surface of the antenna substrate, a plurality of packaged circuitry on a second surface of the antenna substrate, and a plurality of supporting balls mounted on the second surface of the antenna substrate. The plurality of packaged circuitry includes a plurality of radio-frequency (RF) chips on the second surface of the antenna substrate. Each of the plurality of 3-D antenna cells comprises a raised antenna patch with a plurality of projections and a plurality of supporting legs, where at least a relief cut is provided between one of the plurality of projections and one of the plurality of supporting legs.Type: GrantFiled: September 13, 2022Date of Patent: June 4, 2024Assignee: Movandi CorporationInventors: Seunghwan Yoon, Zhihui Wang, Franco De Flaviis, Alfred Grau Besoli, Kartik Sridharan, Ahmadreza Rofougaran, Michael Boers, Sam Gharavi, Donghyup Shin, Farid Shirinfar, Stephen Wu, Maryam Rofougaran
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Patent number: 11996892Abstract: A communication system that includes a cloud server that obtains first sensor data associated with a defined indoor area and second sensor data associated with each of a plurality of optical nodes in defined indoor area. The plurality of optical nodes includes a master communication device, a plurality of optical routing devices, and one or more service communication devices. The cloud server further obtains location coordinates of each of the plurality of optical nodes. The cloud server then causes the master communication device to form a laser beam-based wireless communication network in the defined indoor area. The laser beam-based wireless communication network is one of a Laser Beam Mesh Network (LBMN) or a Laser Beam Cascaded Network (LBCN).Type: GrantFiled: September 22, 2023Date of Patent: May 28, 2024Assignee: Wireless Photonics LLCInventors: Ahmadreza Rofougaran, Bahram Jalali, Mehdi Hatamian, Arman Rofougaran, Milan Rofougaran
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Patent number: 11990978Abstract: An active repeater device includes a primary sector and at least a secondary sector communicatively coupled to the primary sector receives or transmits a first beam of input RF signals having a first beam pattern from or to a base station, respectively. The primary sector includes an baseband signal processor and a first radio head (RH) unit. The secondary sector comprises a second RH unit. Beamforming coefficients are generated to convert the first beam pattern of the first beam of input RF signals to a second beam pattern based on a location of each of a plurality of user equipment (UEs). A second beam of output RF signals in the second beam pattern is transmitted from or received by, respectively, the secondary sector to or from, respectively, the plurality of UEs based on the generated beamforming coefficients and the received first beam of input RF signals.Type: GrantFiled: August 15, 2022Date of Patent: May 21, 2024Assignee: Movandi CorporationInventors: Sam Gharavi, Ahmadreza Rofougaran, Michael Boers, Seunghwan Yoon, Kartik Sridharan, Donghyup Shin, Farid Shirinfar, Stephen Wu, Maryam Rofougaran
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Patent number: 11984945Abstract: A communication device includes a donor receiver that receives a first beam of input radio frequency (RF) signals from a base station or a network node. The communication device further includes a service transmitter that transmits a second beam of RF signals in a first radiation pattern to a user equipment (UE). The communication device further includes control circuitry that detects an amount and a direction of echo signals at the donor receiver. The control circuitry applies polarization to the second beam of RF signals transmitted to the UE and calibrates the polarization to minimize the echo signals at the donor receiver. A second radiation pattern is generated for the second beam of RF signals and communicated to the UE based on the calibrated polarization. The communication of the second beam of RF signals in the generated second radiation pattern further reduces the echo signals at the donor receiver.Type: GrantFiled: October 8, 2021Date of Patent: May 14, 2024Assignee: Movandi CorporationInventors: Ahmadreza Rofougaran, Maryam Rofougaran, Sam Gharavi, Qiyue “Jack” Zou, Alan Wang, Farid Shirinfar, Mike Boers
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Patent number: 11973543Abstract: A communication device includes a service transmitter (Tx) configured to transmit a second beam of RF signals in a first radiation pattern to a user equipment (UE). The communication device further includes a control circuitry configured to: detect an amount and direction of echo signals at the donor receiver Rx corresponding to reflected RF signals in an environment surrounding a communication device; determine an installation location for the communication device based on echo signal measurements at one or more different locations; adjust polarization of the second beam of RF signals to minimize the echo signals at the donor receiver Rx based on the echo signal; and generate a second radiation pattern for at least the second beam of RF signals based on the amount and direction of the echo signals in the environment detected at the donor receiver Rx.Type: GrantFiled: February 6, 2023Date of Patent: April 30, 2024Assignee: Movandi CorporationInventors: Ahmadreza Rofougaran, Maryam Rofougaran, Sam Gharavi, Qiyue “Jack” Zou, Alan Wang, Farid Shirinfar, Mike Boers
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Patent number: 11966512Abstract: An assistive device and method for non-visually discerning a three-dimensional (3D) real-world area surrounding a user, comprises a haptic feedback interface that includes a plurality of haptic elements. The assistive device receives sensor data of the 3D real-world area within a first proximity range of the assistive device from a plurality of different types of sensors that are communicatively coupled to the assistive device. The assistive device establishes a mapping of a plurality of objects within the first proximity range to the plurality of haptic elements in a defined region of the haptic feedback interface, based on the received sensor data. A haptic feedback generator generates a touch-discernible feedback on the haptic feedback interface based on the established mapping. The touch-discernible feedback comprises a plurality of differential touch-discernible cues to enable the user to non-visually discern the 3D real-world area surrounding the user.Type: GrantFiled: September 29, 2020Date of Patent: April 23, 2024Inventors: Alex Hamid Mani, Ahmadreza Rofougaran
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Publication number: 20240129022Abstract: A wireless communication system includes a plurality of network nodes distributed at different locations in a wireless backhaul network, such as a first network node of the plurality of network nodes that includes an array of antennas and a controller. The controller is configured to configure a first set of antennas to operate within a first frequency range and a second set of antennas to operate in a second frequency range. The controller is further configured to segregate first type of frames from a second type of frames such that the first type of frames are wirelessly relayed from the first network node to one or more other network nodes in a distinct frequency channel within the first frequency range and the second type of frames are wirelessly relayed towards one or more user equipment (UEs) directly or via the one or more other network nodes within the second frequency range.Type: ApplicationFiled: October 13, 2023Publication date: April 18, 2024Inventors: Ahmadreza ROFOUGARAN, Mehdi HATAMIAN, Shervin Alireza Odabaee, Arman ROFOUGARAN, Puya ROFOUGARAN
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Patent number: 11956021Abstract: A communication system that includes a cloud server that obtains first sensor data associated with a defined indoor area and second sensor data associated with each of a plurality of optical nodes in defined indoor area. The plurality of optical nodes includes a master communication device, a plurality of optical routing devices, and one or more service communication devices. The cloud server further obtains location coordinates of each of the plurality of optical nodes. The cloud server then causes the master communication device to form a laser beam-based wireless communication network in the defined indoor area. A free-space optical backhaul is constructed by establishing a point-to-point free-space laser link between each pair of optical nodes of the plurality of optical nodes and a RF supervisory link is established between each pair of optical nodes of the plurality of optical nodes for a network monitoring and control function.Type: GrantFiled: April 24, 2023Date of Patent: April 9, 2024Assignee: WIRELESS PHOTONICS LLCInventors: Ahmadreza Rofougaran, Bahram Jalali, Mehdi Hatamian, Arman Rofougaran, Milan Rofougaran
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Patent number: 11956061Abstract: An active repeater device includes a primary sector and at least a secondary sector communicatively coupled to the primary sector receives or transmits a first beam of input RF signals having a first beam pattern from or to a base station, respectively. The primary sector includes an baseband signal processor and a first radio head (RH) unit. The secondary sector comprises a second RH unit. Beamforming coefficients are generated to convert the first beam pattern of the first beam of input RF signals to a second beam pattern based on a location of each of a plurality of user equipment (UEs). A second beam of output RF signals in the second beam pattern is transmitted from or received by, respectively, the secondary sector to or from, respectively, the plurality of UEs based on the generated beamforming coefficients and the received first beam of input RF signals.Type: GrantFiled: August 15, 2022Date of Patent: April 9, 2024Assignee: Movandi CorporationInventors: Sam Gharavi, Ahmadreza Rofougaran, Michael Boers, Seunghwan Yoon, Kartik Sridharan, Donghyup Shin, Farid Shirinfar, Stephen Wu, Maryam Rofougaran
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Patent number: 11927673Abstract: A method of measuring a distance between a vehicle and one or more objects, includes generating a modulation signal; generating a modulated light emitting diode (LED) transmission signal, via a vehicle LED driver assembly; transmitting a plurality of light beams based at least in part on the generated modulated LED transmission signal; capturing a reflection of the plurality of light beams off the one or more objects, utilizing one or more lens assemblies and a camera, the camera including an array of pixel sensors and being positioned on the vehicle; communicating a series of measurements representing the captured plurality of light beam reflections; calculating, utilizing the time-of-flight sensor module, time of flight measurements between the vehicle LED light assembly and the one or more objects and calculating distances, utilizing a depth processor module, between the vehicle LED light assembly and the one or more objects based on the time-of-flight measurements.Type: GrantFiled: May 16, 2023Date of Patent: March 12, 2024Assignee: Wireless Photonics, LLCInventors: Bahram Jalali, Alexandra Jalali, Mehdi Hatamian, Ahmadreza Rofougaran
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Patent number: 11921924Abstract: An assistive device and method for non-visually discerning a three-dimensional (3D) real-world area surrounding a user, comprises a haptic feedback interface that includes a plurality of haptic elements. The assistive device receives sensor data of the 3D real-world area within a first proximity range of the assistive device from a plurality of different types of sensors that are communicatively coupled to the assistive device. The assistive device establishes a mapping of a plurality of objects within the first proximity range to the plurality of haptic elements in a defined region of the haptic feedback interface, based on the received sensor data. A haptic feedback generator generates a touch-discernible feedback on the haptic feedback interface based on the established mapping. The touch-discernible feedback comprises a plurality of differential touch-discernible cues to enable the user to non-visually discern the 3D real-world area surrounding the user.Type: GrantFiled: September 29, 2020Date of Patent: March 5, 2024Inventors: Alex Hamid Mani, Ahmadreza Rofougaran
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Patent number: 11916642Abstract: An active repeater device includes a primary sector and at least a secondary sector communicatively coupled to the primary sector receives or transmits a first beam of input RF signals having a first beam pattern from or to a base station, respectively. The primary sector includes an baseband signal processor and a first radio head (RH) unit. The secondary sector comprises a second RH unit. Beamforming coefficients are generated to convert the first beam pattern of the first beam of input RF signals to a second beam pattern based on a location of each of a plurality of user equipment (UEs). A second beam of output RF signals in the second beam pattern is transmitted from or received by, respectively, the secondary sector to or from, respectively, the plurality of UEs based on the generated beamforming coefficients and the received first beam of input RF signals.Type: GrantFiled: August 15, 2022Date of Patent: February 27, 2024Assignee: Movandi CorporationInventors: Sam Gharavi, Ahmadreza Rofougaran, Michael Boers, Seunghwan Yoon, Kartik Sridharan, Donghyup Shin, Farid Shirinfar, Stephen Wu, Maryam Rofougaran
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Patent number: 11909450Abstract: A communication system that includes a cloud server that obtains first sensor data associated with a defined indoor area and second sensor data associated with each of a plurality of optical nodes in defined indoor area. The plurality of optical nodes includes a master communication device, a plurality of optical routing devices, and one or more service communication devices. The cloud server further obtains location coordinates of each of the plurality of optical nodes. The cloud server then causes the master communication device to form a laser beam-based wireless communication network in the defined indoor area. A free-space optical backhaul is constructed by establishing a point-to-point free-space laser link between each pair of optical nodes of the plurality of optical nodes and a RF supervisory link is established between each pair of optical nodes of the plurality of optical nodes for a network monitoring and control function.Type: GrantFiled: April 24, 2023Date of Patent: February 20, 2024Assignee: WIRELESS PHOTONICS LLCInventors: Ahmadreza Rofougaran, Bahram Jalali, Mehdi Hatamian, Arman Rofougaran, Milan Rofougaran
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Patent number: 11901635Abstract: An apparatus includes a plurality of antenna modules and a printed circuit board (PCB) having a plurality of holes embedded with a heat sink. Each antenna module includes an antenna substrate, a plurality of three-dimensional (3-D) antenna cells mounted on a first surface of the antenna substrate, and a plurality of packaged circuitry mounted on a second surface of the antenna substrate. The plurality of packaged circuitry are electrically connected with the plurality of 3-D antenna cells. Each of the plurality of antenna modules is mounted on a plurality of portions of the heat sink such that a corresponding packaged circuitry of the plurality of packaged circuitry is in a direct contact with the plurality of portions of the heat sink embedded within the plurality of holes.Type: GrantFiled: August 30, 2022Date of Patent: February 13, 2024Assignee: MOVANDI CORPORATIONInventors: Seunghwan Yoon, Franco De Flaviis, Alfred Grau Besoli, Kartik Sridharan, Ahmadreza Rofougaran, Michael Boers, Sam Gharavi, Donghyup Shin, Farid Shirinfar, Stephen Wu, Maryam Rofougaran
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Optical routing device for ultra-flexible and ultra-reliable laser beam based wireless communication
Patent number: 11902719Abstract: An optical routing device that includes a mounting component which includes a rechargeable battery and a processor that communicates over-the-air with a master communication device or one or more service communication devices via RF supervisory links. The processor receives an instruction via the RF supervisory links to control a movement of the mounting component along with the optical routing component such that an angle or a direction of deflection of laser beams from an optical routing component of optical routing device is changed. The optical routing component includes two distinct laser beam handling regions configured to handle plurality of laser beams concurrently in which first laser beam in first wavelength is deflected via first region for downstream data communication in downstream path and second laser beam in second wavelength is deflected via second region for upstream data communication in upstream path for free-space optical communication independent of optical fibers.Type: GrantFiled: September 19, 2023Date of Patent: February 13, 2024Assignee: WIRELESS PHOTONICS LLCInventors: Ahmadreza Rofougaran, Bahram Jalali, Mehdi Hatamian, Arman Rofougaran, Milan Rofougaran