Antenna alignment method and system

    公开(公告)号:US09998183B2

    公开(公告)日:2018-06-12

    申请号:US15636894

    申请日:2017-06-29

    Inventor: Rui Lyu

    CPC classification number: H04B7/02 H04B7/0613 H04B7/066 H04B7/0695

    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.

    Beam adjustment apparatus and method for array antenna

    公开(公告)号:US10243643B2

    公开(公告)日:2019-03-26

    申请号:US15640172

    申请日:2017-06-30

    Inventor: Rui Lyu

    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.

    Beam alignment method and apparatus

    公开(公告)号:US10028275B2

    公开(公告)日:2018-07-17

    申请号:US15185162

    申请日:2016-06-17

    Inventor: Rui Lyu

    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.

    Phase adjustment method and apparatus for antenna array

    公开(公告)号:US10971816B2

    公开(公告)日:2021-04-06

    申请号:US16054057

    申请日:2018-08-03

    Inventor: Rui Lyu

    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.

    Antenna Alignment Method and System

    公开(公告)号:US20170302338A1

    公开(公告)日:2017-10-19

    申请号:US15636894

    申请日:2017-06-29

    Inventor: Rui Lyu

    CPC classification number: H04B7/02 H04B7/0613 H04B7/066 H04B7/0695

    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.

    Data transmission method and apparatus

    公开(公告)号:US11309950B2

    公开(公告)日:2022-04-19

    申请号:US16875070

    申请日:2020-05-15

    Inventor: Rui Lyu

    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.

    Phase Adjustment Method and Apparatus for Antenna Array

    公开(公告)号:US20180342802A1

    公开(公告)日:2018-11-29

    申请号:US16054057

    申请日:2018-08-03

    Inventor: Rui Lyu

    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.

    Phase synchronization method and apparatus for asynchronous TDD system

    公开(公告)号:US10044495B2

    公开(公告)日:2018-08-07

    申请号:US15283799

    申请日:2016-10-03

    Inventor: Rui Lyu

    CPC classification number: H04L7/0041 H04L5/14 H04W56/0035 Y02D70/00

    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.

    Terahertz Carrier Sending Apparatus and Terahertz Carrier Receiving Apparatus

    公开(公告)号:US20230352807A1

    公开(公告)日:2023-11-02

    申请号:US18344251

    申请日:2023-06-29

    Abstract: A terahertz carrier sending apparatus and a terahertz carrier receiving apparatus include a feed transmission line configured to receive an electrical signal sent by a radio frequency sending circuit. A mode excitation structure is configured to excite a terahertz signal. A mode conversion structure includes an inner cavity whose inner wall is metal. A circuit board is configured to fasten the feed transmission line and the mode excitation structure. The mode conversion structure further includes a positioning slot. A part of the circuit board and the mode excitation structure are inserted into the inner cavity of the mode conversion structure. A plurality of metal through holes are distributed on both sides of the mode excitation structure. A boundary of the positioning slot is metal and press-fitted on the metal through holes on the both sides of the mode excitation structure.

    Feed apparatus, dual-band microwave antenna, and dual-band antenna device

    公开(公告)号:US11139572B2

    公开(公告)日:2021-10-05

    申请号:US16735313

    申请日:2020-01-06

    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.

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