CN112689964A - 信号传输方法及装置、信号处理方法及装置以及雷达系统 - Google Patents
信号传输方法及装置、信号处理方法及装置以及雷达系统 Download PDFInfo
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- CN112689964A CN112689964A CN201980059686.2A CN201980059686A CN112689964A CN 112689964 A CN112689964 A CN 112689964A CN 201980059686 A CN201980059686 A CN 201980059686A CN 112689964 A CN112689964 A CN 112689964A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/003—Transmission of data between radar, sonar or lidar systems and remote stations
- G01S7/006—Transmission of data between radar, sonar or lidar systems and remote stations using shared front-end circuitry, e.g. antennas
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/02—Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
- G01S13/06—Systems determining position data of a target
- G01S13/08—Systems for measuring distance only
- G01S13/32—Systems for measuring distance only using transmission of continuous waves, whether amplitude-, frequency-, or phase-modulated, or unmodulated
- G01S13/34—Systems for measuring distance only using transmission of continuous waves, whether amplitude-, frequency-, or phase-modulated, or unmodulated using transmission of continuous, frequency-modulated waves while heterodyning the received signal, or a signal derived therefrom, with a locally-generated signal related to the contemporaneously transmitted signal
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/02—Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
- G01S13/06—Systems determining position data of a target
- G01S13/08—Systems for measuring distance only
- G01S13/32—Systems for measuring distance only using transmission of continuous waves, whether amplitude-, frequency-, or phase-modulated, or unmodulated
- G01S13/34—Systems for measuring distance only using transmission of continuous waves, whether amplitude-, frequency-, or phase-modulated, or unmodulated using transmission of continuous, frequency-modulated waves while heterodyning the received signal, or a signal derived therefrom, with a locally-generated signal related to the contemporaneously transmitted signal
- G01S13/343—Systems for measuring distance only using transmission of continuous waves, whether amplitude-, frequency-, or phase-modulated, or unmodulated using transmission of continuous, frequency-modulated waves while heterodyning the received signal, or a signal derived therefrom, with a locally-generated signal related to the contemporaneously transmitted signal using sawtooth modulation
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/02—Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
- G01S13/50—Systems of measurement based on relative movement of target
- G01S13/58—Velocity or trajectory determination systems; Sense-of-movement determination systems
- G01S13/583—Velocity or trajectory determination systems; Sense-of-movement determination systems using transmission of continuous unmodulated waves, amplitude-, frequency-, or phase-modulated waves and based upon the Doppler effect resulting from movement of targets
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/02—Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
- G01S13/50—Systems of measurement based on relative movement of target
- G01S13/58—Velocity or trajectory determination systems; Sense-of-movement determination systems
- G01S13/583—Velocity or trajectory determination systems; Sense-of-movement determination systems using transmission of continuous unmodulated waves, amplitude-, frequency-, or phase-modulated waves and based upon the Doppler effect resulting from movement of targets
- G01S13/584—Velocity or trajectory determination systems; Sense-of-movement determination systems using transmission of continuous unmodulated waves, amplitude-, frequency-, or phase-modulated waves and based upon the Doppler effect resulting from movement of targets adapted for simultaneous range and velocity measurements
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/88—Radar or analogous systems specially adapted for specific applications
- G01S13/93—Radar or analogous systems specially adapted for specific applications for anti-collision purposes
- G01S13/931—Radar or analogous systems specially adapted for specific applications for anti-collision purposes of land vehicles
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
- G01S7/35—Details of non-pulse systems
- G01S7/352—Receivers
- G01S7/354—Extracting wanted echo-signals
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/0413—MIMO systems
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- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Signal Processing (AREA)
- Radar Systems Or Details Thereof (AREA)
Abstract
一种信号传输方法及装置、信号处理方法及装置以及雷达系统,使得MIMO雷达能够准确地将目标的速度恢复到SIMO雷达的测速范围。信号传输方法应用于多输入多输出MIMO雷达,MIMO雷达包括发射器,发射器包括多个发射天线,该信号传输方法包括:发射器发送第一测量帧中的第一突发,第一测量帧用于测量目标的速度,在发送第一突发时,多个发射天线中的每个发射天线分时发送chirp信号;在发射器发送第一测量帧中的第一突发后,发射器发送第一测量帧中的第二突发;在发送第二突发时,用于发送chirp信号的发射天线的数量为一个。
Description
PCT国内申请,说明书已公开。
Claims (19)
- PCT国内申请,权利要求书已公开。
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CN202210524903.4A CN115079095A (zh) | 2019-08-19 | 2019-08-19 | 信号传输方法及装置、信号处理方法及装置以及雷达系统 |
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PCT/CN2019/101409 WO2021031077A1 (zh) | 2019-08-19 | 2019-08-19 | 信号传输方法及装置、信号处理方法及装置以及雷达系统 |
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CN112689964A true CN112689964A (zh) | 2021-04-20 |
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CN202210524903.4A Pending CN115079095A (zh) | 2019-08-19 | 2019-08-19 | 信号传输方法及装置、信号处理方法及装置以及雷达系统 |
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Country Status (5)
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US (1) | US20220171021A1 (zh) |
EP (1) | EP4016884A4 (zh) |
JP (1) | JP2022545001A (zh) |
CN (2) | CN112689964B (zh) |
WO (1) | WO2021031077A1 (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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WO2023087232A1 (zh) * | 2021-11-19 | 2023-05-25 | 华为技术有限公司 | 检测行人的雷达系统、方法和车辆 |
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US11693107B2 (en) * | 2020-09-29 | 2023-07-04 | Steradian Semiconductors Private Limited | System, device and method for efficient MIMO radar |
CN113949610A (zh) * | 2021-09-30 | 2022-01-18 | 加特兰微电子科技(上海)有限公司 | 波形控制方法、无线电器件、无线电信号及其发射链路 |
Citations (8)
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CN102461052A (zh) * | 2009-06-22 | 2012-05-16 | 高通股份有限公司 | 在资源的不连续簇上传输参考信号 |
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GB201806593D0 (en) * | 2018-04-23 | 2018-06-06 | Trw Ltd | Improvements relating to radar apparatus |
CN108885255A (zh) * | 2016-04-15 | 2018-11-23 | 联发科技股份有限公司 | 雷达干扰减轻方法和装置 |
EP3425419A1 (en) * | 2017-07-05 | 2019-01-09 | Stichting IMEC Nederland | A method and a system for localization and monitoring of living beings |
CN109923435A (zh) * | 2016-11-09 | 2019-06-21 | 罗伯特·博世有限公司 | 用于机动车的雷达传感器 |
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KR102607253B1 (ko) * | 2015-05-11 | 2023-11-29 | 코히어 테크놀로지스, 아이엔씨. | 데이터의 심플렉틱 직교 시간 주파수 시프팅 변조 및 송신을 위한 시스템 및 방법 |
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-
2019
- 2019-08-19 EP EP19942231.2A patent/EP4016884A4/en active Pending
- 2019-08-19 CN CN201980059686.2A patent/CN112689964B/zh active Active
- 2019-08-19 WO PCT/CN2019/101409 patent/WO2021031077A1/zh unknown
- 2019-08-19 CN CN202210524903.4A patent/CN115079095A/zh active Pending
- 2019-08-19 JP JP2022511088A patent/JP2022545001A/ja active Pending
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2022
- 2022-02-18 US US17/675,258 patent/US20220171021A1/en active Pending
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CN102461052A (zh) * | 2009-06-22 | 2012-05-16 | 高通股份有限公司 | 在资源的不连续簇上传输参考信号 |
CN102783038A (zh) * | 2010-02-26 | 2012-11-14 | 索尼公司 | 提供递增冗余的编码器和编码方法 |
CN103843272A (zh) * | 2011-06-24 | 2014-06-04 | 松下电器产业株式会社 | 发送装置、发送方法、接收装置及接收方法 |
CN107005521A (zh) * | 2014-12-10 | 2017-08-01 | 索尼公司 | 用于在通信系统中传输先验信息的方法及装置 |
CN108885255A (zh) * | 2016-04-15 | 2018-11-23 | 联发科技股份有限公司 | 雷达干扰减轻方法和装置 |
CN109923435A (zh) * | 2016-11-09 | 2019-06-21 | 罗伯特·博世有限公司 | 用于机动车的雷达传感器 |
EP3425419A1 (en) * | 2017-07-05 | 2019-01-09 | Stichting IMEC Nederland | A method and a system for localization and monitoring of living beings |
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WO2023087232A1 (zh) * | 2021-11-19 | 2023-05-25 | 华为技术有限公司 | 检测行人的雷达系统、方法和车辆 |
Also Published As
Publication number | Publication date |
---|---|
CN112689964B (zh) | 2022-05-13 |
EP4016884A1 (en) | 2022-06-22 |
JP2022545001A (ja) | 2022-10-24 |
WO2021031077A1 (zh) | 2021-02-25 |
CN115079095A (zh) | 2022-09-20 |
EP4016884A4 (en) | 2022-08-24 |
US20220171021A1 (en) | 2022-06-02 |
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