公开(公告)号：US20210211160A1

公开(公告)日：2021-07-08

申请号：US17208893

申请日：2021-03-22

Applicant: Movandi Corporation

Inventor： Ahmadreza ROFOUGARAN ,  Seunghwan YOON

IPC: H04B5/00 ,  H02J50/50 ,  H02J50/20 ,  H02J50/40

Abstract: In a first radio frequency (RF) device, circuits determine a non-line-of-sight (NLOS) radio path, and select a first plurality of reflector devices associated with the NLOS radio path from a second plurality of reflector devices. The first plurality of reflector devices, are selected based on a first set of criteria, includes an active reflector device and a passive reflector device, and are controlled to transmit a plurality of RF signals to a second RF device based on a second set of criteria. The second RF device is associated with electronic devices. The first RF signal interferes with a second RF signal of the RF signals. A first type of signal associated with the plurality of RF signals is converted to a second type of signal at the second RF device, and the second type of signal is transmitted by the second RF device to the one or more electronic devices.

公开(公告)号：US20200220578A1

公开(公告)日：2020-07-09

申请号：US16819388

申请日：2020-03-16

Applicant: Movandi Corporation

Inventor： Ahmadreza ROFOUGARAN ,  Seunghwan YOON

IPC: H04B5/00 ,  H02J50/20 ,  H02J50/40 ,  H02J50/50

Abstract: In a first radio frequency (RF) device, circuits determine a non-line-of-sight (NLOS) radio path, and select a first plurality of reflector devices associated with the NLOS radio path from a second plurality of reflector devices. The first plurality of reflector devices, are selected based on a first set of criteria, includes an active reflector device and a passive reflector device, and are controlled to transmit a plurality of RF signals to a second RF device based on a second set of criteria. The second RF device is associated with electronic devices. The first RF signal interferes with a second RF signal of the RF signals. A first type of signal associated with the plurality of RF signals is converted to a second type of signal at the second RF device, and the second type of signal is transmitted by the second RF device to the one or more electronic devices.

公开(公告)号：US20200091992A1

公开(公告)日：2020-03-19

申请号：US16689758

申请日：2019-11-20

Applicant: Movandi Corporation

Inventor： Sam GHARAVI ,  Ahmadreza ROFOUGARAN ,  Michael BOERS ,  Seunghwan YOON ,  Kartik SRIDHARAN ,  Donghyup SHIN ,  Farid SHIRINFAR ,  Stephen WU ,  Maryam ROFOUGARAN

IPC: H04B7/155 ,  H04W52/24 ,  H04B7/06 ,  H04W52/46 ,  H04B7/204 ,  H04B7/165 ,  H04B7/0413 ,  H04B7/15 ,  H04B17/318

Abstract: An active repeater device including a first antenna array, a controller, and one or more secondary sectors receives or transmits a first beam of input RF signals from or to, respectively, a first base station operated by a first service provider and a second beam of input RF signals from or to, respectively, a second base station operated by a second service provider. A controller assigns a first beam setting to a first group of customer premises equipment (CPEs) and a second beam setting to a second group of CPEs, based on one or more corresponding signal parameters associated with the each corresponding group of CPEs. A second antenna array of the second RH unit concurrently transmits or received a first beam of output RF signals to or from the first group of CPEs and a second beam of output RF signals to the second group of CPEs.

公开(公告)号：US20190267721A1

公开(公告)日：2019-08-29

申请号：US15904521

申请日：2018-02-26

Applicant: MOVANDI CORPORATION

Inventor： Seunghwan YOON ,  Ahmadreza ROFOUGARAN ,  Sam GHARAVI ,  Kartik SRIDHARAN ,  Donghyup SHIN ,  Farid SHIRINFAR ,  Stephen WU ,  Maryam ROFOUGARAN ,  Alfred Grau Besoli ,  Enver Adas ,  Zhihui WANG

IPC: H01Q21/22 ,  H01Q3/34 ,  H01Q21/00 ,  H01Q13/20 ,  H01Q1/02 ,  H01Q1/52

Abstract: An antenna system, includes a first substrate, a plurality of chips, and a waveguide antenna element based beam forming phased array. The waveguide antenna element based beam forming phased array has a unitary body that comprises a plurality of radiating waveguide antenna cells in a first layout for millimeter wave communication. Each radiating waveguide antenna cell comprises a plurality of pins that are connected with a body of a corresponding radiating waveguide antenna cell that acts as ground for the plurality of pins. A first end of the plurality of radiating waveguide antenna cells of the waveguide antenna element based beam forming phased array, as the unitary body, in the first layout is mounted on the first substrate. The plurality of chips are electrically connected with the plurality of pins and the ground of each of the plurality of radiating waveguide antenna cells to control beamforming.

公开(公告)号：US20230299501A1

公开(公告)日：2023-09-21

申请号：US18321160

申请日：2023-05-22

Applicant: Movandi Corporation

Inventor： Ahmadreza ROFOUGARAN ,  Alfred Grau Besoli ,  Seunghwan YOON ,  Farid SHIRINFAR ,  Sam GHARAVI ,  Michael BOERS ,  Maryam ROFOUGARAN ,  Enver Adas ,  Kartik SRIDHARAN

IPC: H01Q19/06 ,  G02B27/09 ,  H01Q21/00 ,  H01Q15/02

CPC classification number: H01Q19/062 ,  G02B27/0955 ,  H01Q21/0006 ,  H01Q15/02

Abstract: A method in a communication device that includes a system board having a plurality of chips is described. The method includes receiving a lens-guided beam of input radio frequency (RF) signals through a lens, where each chip of the plurality of chip comprises a plurality of antennas, the lens covers a chip of the plurality of chips, adjusting a proximal distance between the lens and the chip such that the proximal distance is less than a focal length of the lens, and substantially equalizing a distribution of a gain from the received lens-guided beam of the input RF signals from a radiation surplus region to a radiation deficient region based on a defined shape of the lens and the proximal distance.

公开(公告)号：US20230299463A1

公开(公告)日：2023-09-21

申请号：US18323002

申请日：2023-05-24

Applicant: Movandi Corporation

Inventor： Ahmadreza ROFOUGARAN ,  Seunghwan YOON ,  Alfred Grau Besoli ,  Farid SHIRINFAR ,  Sam GHARAVI ,  Michael BOERS ,  Maryam ROFOUGARAN

IPC: H01Q1/22 ,  H01Q1/52 ,  H01Q21/06 ,  H01Q21/24

CPC classification number: H01Q1/2283 ,  H01Q1/523 ,  H01Q21/065 ,  H01Q21/24 ,  H01Q3/26

Abstract: A phased array antenna panel includes a first plurality of antennas, a first radio frequency (RF) front end chip, a second plurality of antennas, a second RF front end chip, and a combiner RF chip. The first and second RF front end chips receive respective first and second input signals from the first and second pluralities of antennas, and produce respective first and second output signals based on the respective first and second input signals. The combiner RF chip can receive the first and second output signals and produce a power combined output signal that is a combination of powers of the first and second output signals. Alternatively, a power combiner can receive the first and second output signals and produce a power combined output signal, and the combiner RF chip can receive the power combined output signal.

公开(公告)号：US20230208487A1

公开(公告)日：2023-06-29

申请号：US18175408

申请日：2023-02-27

Applicant: MOVANDI CORPORATION

Inventor： Kartik SRIDHARAN ,  Ahmadreza ROFOUGARAN ,  Michael BOERS ,  Seunghwan YOON ,  Sam GHARAVI ,  Donghyup SHIN ,  Farid SHIRINFAR ,  Stephen WU ,  Maryam ROFOUGARAN

IPC: H04B7/06 ,  H01Q1/52 ,  H01Q3/46 ,  H01Q19/19 ,  H01Q19/195

CPC classification number: H04B7/0617 ,  H01Q1/523 ,  H01Q3/46 ,  H01Q19/192 ,  H01Q19/195 ,  H01Q15/147

Abstract: A system including a plurality of circuits in a first radio frequency (RF) device which are configured to control a plurality of reflector devices based on a set of criteria. The controlled plurality of reflector devices transmit a plurality of RF signals in a specified direction and a specified location of a second RF device within transmission range of the controlled plurality of reflector devices. The plurality of RF signals are transmitted in the specified direction and the specified location of a second RF device based on a request for signal cancellation. The request for the signal cancellation is based on a noise from the second RF device and the plurality of RF signals are cancelled in the specified direction and the specified location of the second RF device.

公开(公告)号：US20220271442A1

公开(公告)日：2022-08-25

申请号：US17742648

申请日：2022-05-12

Applicant: Movandi Corporation

Inventor： Ahmadreza ROFOUGARAN ,  Farid SHIRINFAR ,  Sam GHARAVI ,  Michael BOERS ,  Seunghwan YOON ,  Alfred Grau Besoli ,  Maryam ROFOUGARAN

IPC: H01Q21/24 ,  H01Q3/38 ,  H01Q25/00 ,  H01Q3/40 ,  H01Q1/52 ,  H01Q23/00 ,  H01Q3/26

Abstract: A wireless communications system includes a first transceiver with a first phased array antenna panel having horizontal-polarization receive antennas and vertical-polarization transmit antennas, where the horizontal-polarization receive antennas form a first receive beam based on receive phase and receive amplitude information provided by a first master chip, the vertical-polarization transmit antennas form a first transmit beam based on transmit phase and transmit amplitude information provided by the first master chip. The wireless communications system may include a second transceiver having vertical-polarization receive antennas and horizontal-polarization transmit antennas in a second phased array antenna panel, where the vertical-polarization receive antennas form a second receive beam based on receive phase and receive amplitude information provided by a second master chip, the horizontal-polarization transmit antennas form a second transmit beam based on transmit phase and transmit amplitude information provided by the second master chip.

公开(公告)号：US20220085851A1

公开(公告)日：2022-03-17

申请号：US17536235

申请日：2021-11-29

Applicant: Movandi Corporation

Inventor： Seunghwan YOON ,  Ahmadreza ROFOUGARAN

IPC: H04B7/0408 ,  H01Q3/20 ,  H01Q19/17 ,  H04B7/0426 ,  H01Q15/16 ,  H01Q25/00 ,  H04B7/06 ,  H04B7/022

Abstract: A system, in a radio frequency (RF) transmitter device, selects one or more reflector devices that comprises an active reflector device, along an optimized non-line-of-sight (NLOS) radio path based on a defined criteria. Further, the selected one or more reflector devices are controlled based on one or more conditions. The optimized NLOS radio path is determined from a plurality of NLOS radio paths. In an RF receiver device that communicates with the selected one or more reflector devices using the determined optimized NLOS path. The active reflector device comprises at least a first antenna array and a second antenna array. The first antenna array transmits a first set of beams of RF signals to at least the RF transmitter device and the RF receiver device. The second antenna array receives a second set of beams of RF signals from at least the RF transmitter device and the RF receiver device.

公开(公告)号：US20210384639A1

公开(公告)日：2021-12-09

申请号：US17408583

申请日：2021-08-23

Applicant: Movandi Corporation

Inventor： Ahmadreza ROFOUGARAN ,  Alfred Grau Besoli ,  Seunghwan YOON ,  Farid SHIRINFAR ,  Sam GHARAVI ,  Michael BOERS ,  Maryam ROFOUGARAN ,  Enver Adas ,  Kartik SRIDHARAN

IPC: H01Q19/06 ,  G02B27/09 ,  H01Q21/00 ,  H01Q15/02

Abstract: A communication device includes a system board that includes a plurality of chips. Each chip in plurality of chips includes a plurality of antennas. A system cover coupled to system board includes a plurality of lenses. Each lens is configured to cover an antenna of plurality of antennas as a radome enclosure. Each lens includes a base, and a first tubular membrane coupled to base. A second membrane coupled to first tubular membrane. First tubular membrane and Second membrane cause the lens to have a bell shape. A support structure coupled to first tubular membrane. Support structure facilitates coupling of plurality of lenses to system cover. Each chip comprises a feeder array that further comprises a plurality of antenna elements that are positioned at a proximal distance from base of a lens, A distribution of a gain of input RF signals is substantially equalized across plurality of antenna elements.