CN111052819A - 在存在多个通信路径的情况下进行精确射频定位的粗略和精细飞行时间估计的系统和方法 - Google Patents

在存在多个通信路径的情况下进行精确射频定位的粗略和精细飞行时间估计的系统和方法 Download PDF

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Publication number
CN111052819A
CN111052819A CN201880057737.3A CN201880057737A CN111052819A CN 111052819 A CN111052819 A CN 111052819A CN 201880057737 A CN201880057737 A CN 201880057737A CN 111052819 A CN111052819 A CN 111052819A
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CN
China
Prior art keywords
wireless
time
node
data packet
signal
Prior art date
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Pending
Application number
CN201880057737.3A
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English (en)
Chinese (zh)
Inventor
马努·塞斯
令凯·孔
托米·伊拉穆尔托
维韦克·萨伯拉曼尼安
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Dragonfly Technology Inc
Locix Inc
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Dragonfly Technology Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from US15/697,284 external-priority patent/US10470156B2/en
Application filed by Dragonfly Technology Inc filed Critical Dragonfly Technology Inc
Publication of CN111052819A publication Critical patent/CN111052819A/zh
Pending legal-status Critical Current

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/30—Monitoring; Testing of propagation channels
    • H04B17/309—Measuring or estimating channel quality parameters
    • H04B17/364—Delay profiles
    • 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
    • G01S13/74—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems
    • G01S13/76—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems wherein pulse-type signals are transmitted
    • G01S13/765—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems wherein pulse-type signals are transmitted with exchange of information between interrogator and responder
    • 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
    • G01S5/00—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations
    • G01S5/02—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations using radio waves
    • G01S5/0205—Details
    • G01S5/0218—Multipath in signal reception
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/20—Monitoring; Testing of receivers
    • H04B17/27—Monitoring; Testing of receivers for locating or positioning the transmitter
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W64/00—Locating users or terminals or network equipment for network management purposes, e.g. mobility management
    • H04W64/003—Locating users or terminals or network equipment for network management purposes, e.g. mobility management locating network equipment
    • 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
    • G01S13/46—Indirect determination of position data
    • G01S2013/468—Indirect determination of position data by Triangulation, i.e. two antennas or two sensors determine separately the bearing, direction or angle to a target, whereby with the knowledge of the baseline length, the position data of the target is determined
    • 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
    • G01S7/40—Means for monitoring or calibrating
    • G01S7/4004—Means for monitoring or calibrating of parts of a radar system
    • G01S7/4008—Means for monitoring or calibrating of parts of a radar system of transmitters
    • 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
    • G01S7/40—Means for monitoring or calibrating
    • G01S7/4004—Means for monitoring or calibrating of parts of a radar system
    • G01S7/4021—Means for monitoring or calibrating of parts of a radar system of receivers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/20—Monitoring; Testing of receivers
    • H04B17/21—Monitoring; Testing of receivers for calibration; for correcting measurements

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Signal Processing (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Quality & Reliability (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Position Fixing By Use Of Radio Waves (AREA)
CN201880057737.3A 2017-09-06 2018-09-06 在存在多个通信路径的情况下进行精确射频定位的粗略和精细飞行时间估计的系统和方法 Pending CN111052819A (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US15/697,284 US10470156B2 (en) 2016-06-03 2017-09-06 Systems and methods for coarse and fine time of flight estimates for precise radio frequency localization in the presence of multiple communication paths
US15/697,284 2017-09-06
PCT/US2018/049683 WO2019051040A2 (en) 2017-09-06 2018-09-06 SYSTEMS AND METHODS FOR GROSS AND FINE FLIGHT TIME ESTIMATES FOR ACCURATE RADIO FREQUENCY LOCALIZATION IN THE PRESENCE OF MULTIPLE COMMUNICATION PATHWAYS

Publications (1)

Publication Number Publication Date
CN111052819A true CN111052819A (zh) 2020-04-21

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201880057737.3A Pending CN111052819A (zh) 2017-09-06 2018-09-06 在存在多个通信路径的情况下进行精确射频定位的粗略和精细飞行时间估计的系统和方法

Country Status (4)

Country Link
EP (1) EP3679750A4 (enExample)
JP (1) JP2020533569A (enExample)
CN (1) CN111052819A (enExample)
WO (1) WO2019051040A2 (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
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CN114866168A (zh) * 2022-04-29 2022-08-05 南京工程学院 一种工业物联网环境中路径损耗预测方法和系统

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US10470156B2 (en) 2016-06-03 2019-11-05 Locix, Inc. Systems and methods for coarse and fine time of flight estimates for precise radio frequency localization in the presence of multiple communication paths
US10757675B2 (en) 2016-06-03 2020-08-25 Locix, Inc. Systems and methods for precise radio frequency localization in the presence of multiple communication paths
US10455350B2 (en) 2016-07-10 2019-10-22 ZaiNar, Inc. Method and system for radiolocation asset tracking via a mesh network
US10568064B2 (en) 2017-08-23 2020-02-18 Locix, Inc. Systems and methods for precise radio frequency localization using time difference of arrival
US10605889B2 (en) 2017-08-23 2020-03-31 Locix, Inc. Systems and methods for precise radio frequency localization using time sweep time difference of arrival
US11041948B2 (en) * 2019-04-08 2021-06-22 Apple Inc. Channel estimation combining for secure time of flight applications
WO2022016161A1 (en) * 2020-07-17 2022-01-20 ZaiNar, Inc. Systems and methods for multicarrier phase-based localization
CN115436881B (zh) * 2022-10-18 2023-07-07 兰州大学 一种定位方法、系统、计算机设备及可读存储介质

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CN114866168B (zh) * 2022-04-29 2024-04-12 南京工程学院 一种工业物联网环境中路径损耗预测方法和系统

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Publication number Publication date
EP3679750A2 (en) 2020-07-15
WO2019051040A2 (en) 2019-03-14
JP2020533569A (ja) 2020-11-19
WO2019051040A3 (en) 2019-04-11
EP3679750A4 (en) 2021-06-02

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