Patents by Inventor Rui LYU

Rui LYU 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).

  • Patent number: 11139572
    Abstract: This application provides a feed apparatus, a dual-band microwave antenna, and a dual-band antenna device. The feed apparatus includes a low-frequency feed and a high-frequency feed. The high-frequency feed is embedded into the low-frequency feed. The low-frequency feed includes a plurality of low-frequency array elements arranged in an array. The high-frequency feed includes a plurality of high-frequency array elements arranged in an array. At least one high-frequency array element is embedded into the low-frequency array element, and the low-frequency array element and each high-frequency array element embedded into the low-frequency array element have a common waveguide wall.
    Type: Grant
    Filed: January 6, 2020
    Date of Patent: October 5, 2021
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Luqi Zhang, Rui Lyu, Xin Luo
  • Patent number: 10971816
    Abstract: The present application discloses a phase adjustment method and apparatus for an antenna array. The method includes: dividing the antenna array into a first antenna subarray and a second antenna subarray according to a first division rule in a preset division rule set; obtaining a phase difference between a first aggregated signal corresponding to the first antenna subarray and a second aggregated signal corresponding to the second antenna subarray; determining a to-be-adjusted phase value of each antenna array element in the antenna array according to the phase difference and a first weighting rule; and sending, to a phase shifter corresponding to each antenna array element, the to-be-adjusted phase value corresponding to the antenna array element.
    Type: Grant
    Filed: August 3, 2018
    Date of Patent: April 6, 2021
    Assignee: Huawei Technologies Co., Ltd.
    Inventor: Rui Lyu
  • Publication number: 20200280361
    Abstract: A data transmission method and an apparatus are disclosed. The method includes: generating, by a first transmit device, a data frame sequence, where the first data frame sequence includes a first data frame, the first data frame includes a switching interval, the switching interval includes first identification information, and the first data frame corresponds to a first data period; detecting, by the first transmit device, whether a beam adjustment request is received within the first data period, and if the beam adjustment request is received, setting the first identification information in the switching interval of the first data frame to invalid; or if no beam adjustment request is received, setting the first identification information to valid; and sending, by the first transmit device, the first data frame.
    Type: Application
    Filed: May 15, 2020
    Publication date: September 3, 2020
    Inventor: Rui LYU
  • Publication number: 20200144720
    Abstract: This application provides a feed apparatus, a dual-band microwave antenna, and a dual-band antenna device. The feed apparatus includes a low-frequency feed and a high-frequency feed. The high-frequency feed is embedded into the low-frequency feed. The low-frequency feed includes a plurality of low-frequency array elements arranged in an array. The high-frequency feed includes a plurality of high-frequency array elements arranged in an array. At least one high-frequency array element is embedded into the low-frequency array element, and the low-frequency array element and each high-frequency array element embedded into the low-frequency array element have a common waveguide wall.
    Type: Application
    Filed: January 6, 2020
    Publication date: May 7, 2020
    Inventors: Luqi ZHANG, Rui LYU, Xin LUO
  • Patent number: 10243643
    Abstract: The embodiments of the present invention provide an array antenna beam adjustment device; before combining and analog-digital conversion, the array antenna beam adjustment device couples an N-way reception signal, and performs low-speed small-bandwidth analog-digital conversion on the N-way reception signal; according to the analog-digital converted signal, spatial filtering is performed and a filtering coefficient is adjusted; according to the filtering coefficient, the weight of the reception signal is adjusted, and thus the reception beam is adjusted. In the embodiments of the present invention, beam control is carried out according to the N-way reception signal, and the speed and flexibility of the beam control are greatly improved.
    Type: Grant
    Filed: June 30, 2017
    Date of Patent: March 26, 2019
    Assignee: Huawei Technologies Co., Ltd.
    Inventor: Rui Lyu
  • Publication number: 20180342802
    Abstract: The present application discloses a phase adjustment method and apparatus for an antenna array. The method includes: dividing the antenna array into a first antenna subarray and a second antenna subarray according to a first division rule in a preset division rule set; obtaining a phase difference between a first aggregated signal corresponding to the first antenna subarray and a second aggregated signal corresponding to the second antenna subarray; determining a to-be-adjusted phase value of each antenna array element in the antenna array according to the phase difference and a first weighting rule; and sending, to a phase shifter corresponding to each antenna array element, the to-be-adjusted phase value corresponding to the antenna array element.
    Type: Application
    Filed: August 3, 2018
    Publication date: November 29, 2018
    Inventor: Rui Lyu
  • Patent number: 10044495
    Abstract: Embodiments of the present invention provide a apparatus. The apparatus includes: N timing phase adjusters, a level calculator, and a first selector, where N is an integer greater than or equal to 2; the timing phase adjuster is configured to perform phase adjustment on a first signal according to a phase adjustment value, to obtain an adjusted first signal, where the first signal is a baseband signal, and the N timing phase adjusters respectively correspond to different phase adjustment values; the level calculator is configured to acquire level fluctuation values, within a preset time, of N adjusted first signals, determine an identifier of an adjusted first signal corresponding to a minimum level fluctuation value, and send the identifier to the first selector; and the first selector is configured to output the adjusted first signal corresponding to the identifier.
    Type: Grant
    Filed: October 3, 2016
    Date of Patent: August 7, 2018
    Assignee: Huawei Technologies Co., Ltd.
    Inventor: Rui Lyu
  • Publication number: 20180219287
    Abstract: Embodiments of the present disclosure provide an array antenna and a beam alignment method for an array antenna. The array antenna includes a first subarray, a second subarray, a first power detector, a second power detector, and a decision device, where the first power detector is connected to the first subarray, the second power detector is connected to the second subarray, the decision device is connected to the first power detector, the decision device is connected to the second power detector, and the decision device is configured to determine a first alignment direction of the array antenna according to a power of an output signal of the first subarray and a power of an output signal of the second subarray.
    Type: Application
    Filed: March 28, 2018
    Publication date: August 2, 2018
    Inventor: Rui Lyu
  • Patent number: 10028275
    Abstract: Embodiments of the present invention provide a beam alignment method and apparatus. The method includes: communicating with a second device according to a first timeslot structure by sequentially using beams in N directions in a first traversal structure, and obtaining first receive powers when signals transmitted by the second device are received; determining an optimal beam of a first device according to the first receive powers; transmitting signals to the second device according to the first timeslot structure by sequentially using the beams in the N directions in the first traversal structure, and receiving, by using the optimal beam, the signals transmitted by the second device; and when it is determined that the second device determines an optimal beam of the second device, communicating with the second device by using the optimal beam of the first device and by using a second timeslot structure.
    Type: Grant
    Filed: June 17, 2016
    Date of Patent: July 17, 2018
    Assignee: HUAWEI TECHNOLOGIES CO., LTD.
    Inventor: Rui Lyu
  • Patent number: 10021582
    Abstract: A delay estimation method for a multiple input multiple output communications system, includes: calculating, by a receiver, a channel response matrix of a Multiple input multiple output MIMO communications system, where there are n transmit channels and m receive channels in the MIMO communications system, n?2, m?2, and the channel response matrix includes channel responses of n*m sub-channels; calculating, by the receiver, an integer delay, relative to a reference sub-channel, of each of the n*m sub-channels according to the channel response matrix, where the reference sub-channel is any sub-channel in the n*m sub-channels; calculating, by the receiver, fraction delays of the n*m sub-channels according to the channel response matrix; and separating out, by the receiver, delays of the m receive channels according to delays of the n*m sub-channels.
    Type: Grant
    Filed: February 19, 2016
    Date of Patent: July 10, 2018
    Assignee: HUAWEI TECHNOLOGIES CO., LTD.
    Inventor: Rui Lyu
  • Patent number: 9998183
    Abstract: An antenna alignment method and system, with the system having a first device having NAT transmit beams and NAR receive beams. The system has a second device having NBT transmit beams and NBR receive beams. The first device transmits a signal to the second device according to a first cycle, and traverses switching of NAT transmit beams according to a third beam mode. The second device receives a signal from the first device according to the first cycle, and traverses switching of NBR receive beams according to a fourth beam mode, counts a receive signal power in each first cycle, and obtains a receive signal power corresponding to each receive beam according to the fourth beam mode, to determine that a receive signal power corresponding to an Sth receive beam is the highest, and uses the Sth receive beam as a receive beam.
    Type: Grant
    Filed: June 29, 2017
    Date of Patent: June 12, 2018
    Assignee: HUAWEI TECHNOLOGIES CO., LTD.
    Inventor: Rui Lyu
  • Publication number: 20170302338
    Abstract: An antenna alignment method and system, with the system having a first device having NAT transmit beams and NAR receive beams. The system has a second device having NBT transmit beams and NBR receive beams. The first device transmits a signal to the second device according to a first cycle, and traverses switching of NAT transmit beams according to a third beam mode. The second device receives a signal from the first device according to the first cycle, and traverses switching of NBR receive beams according to a fourth beam mode, counts a receive signal power in each first cycle, and obtains a receive signal power corresponding to each receive beam according to the fourth beam mode, to determine that a receive signal power corresponding to an Sth receive beam is the highest, and uses the Sth receive beam as a receive beam.
    Type: Application
    Filed: June 29, 2017
    Publication date: October 19, 2017
    Inventor: Rui Lyu
  • Publication number: 20170302357
    Abstract: The embodiments of the present invention provide an array antenna beam adjustment device; before combining and analog-digital conversion, the array antenna beam adjustment device couples an N-way reception signal, and performs low-speed small-bandwidth analog-digital conversion on the N-way reception signal; according to the analog-digital converted signal, spatial filtering is performed and a filtering coefficient is adjusted; according to the filtering coefficient, the weight of the reception signal is adjusted, and thus the reception beam is adjusted. In the embodiments of the present invention, beam control is carried out according to the N-way reception signal, and the speed and flexibility of the beam control are greatly improved.
    Type: Application
    Filed: June 30, 2017
    Publication date: October 19, 2017
    Inventor: Rui Lyu
  • Publication number: 20170026165
    Abstract: Embodiments of the present invention provide a apparatus. The apparatus includes: N timing phase adjusters, a level calculator, and a first selector, where N is an integer greater than or equal to 2; the timing phase adjuster is configured to perform phase adjustment on a first signal according to a phase adjustment value, to obtain an adjusted first signal, where the first signal is a baseband signal, and the N timing phase adjusters respectively correspond to different phase adjustment values; the level calculator is configured to acquire level fluctuation values, within a preset time, of N adjusted first signals, determine an identifier of an adjusted first signal corresponding to a minimum level fluctuation value, and send the identifier to the first selector; and the first selector is configured to output the adjusted first signal corresponding to the identifier.
    Type: Application
    Filed: October 3, 2016
    Publication date: January 26, 2017
    Inventor: Rui Lyu
  • Publication number: 20160302202
    Abstract: Embodiments of the present invention provide a beam alignment method and apparatus. The method includes: communicating with a second device according to a first timeslot structure by sequentially using beams in N directions in a first traversal structure, and obtaining first receive powers when signals transmitted by the second device are received; determining an optimal beam of a first device according to the first receive powers; transmitting signals to the second device according to the first timeslot structure by sequentially using the beams in the N directions in the first traversal structure, and receiving, by using the optimal beam, the signals transmitted by the second device; and when it is determined that the second device determines an optimal beam of the second device, communicating with the second device by using the optimal beam of the first device and by using a second timeslot structure.
    Type: Application
    Filed: June 17, 2016
    Publication date: October 13, 2016
    Applicant: HUAWEI TECHNOLOGIES CO., LTD.
    Inventor: Rui LYU