JP7768132B2 - 推定方法および推定装置 - Google Patents

推定方法および推定装置

Info

Publication number
JP7768132B2
JP7768132B2 JP2022542822A JP2022542822A JP7768132B2 JP 7768132 B2 JP7768132 B2 JP 7768132B2 JP 2022542822 A JP2022542822 A JP 2022542822A JP 2022542822 A JP2022542822 A JP 2022542822A JP 7768132 B2 JP7768132 B2 JP 7768132B2
Authority
JP
Japan
Prior art keywords
phase difference
antenna
radio wave
received radio
amplitude
Prior art date
Legal status (The legal status 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 status listed.)
Active
Application number
JP2022542822A
Other languages
English (en)
Japanese (ja)
Other versions
JPWO2022034842A1 (https=
Inventor
宏一郎 田中
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.)
Socionext Inc
Original Assignee
Socionext 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
Application filed by Socionext Inc filed Critical Socionext Inc
Publication of JPWO2022034842A1 publication Critical patent/JPWO2022034842A1/ja
Application granted granted Critical
Publication of JP7768132B2 publication Critical patent/JP7768132B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • G01S13/003—Bistatic radar systems; Multistatic radar systems
    • 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
    • G01S13/42—Simultaneous measurement of distance and other co-ordinates
    • G01S13/44—Monopulse radar, i.e. simultaneous lobing
    • G01S13/4454—Monopulse radar, i.e. simultaneous lobing phase comparisons monopulse, i.e. comparing the echo signals received by an interferometric antenna arrangement
    • 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
    • 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
    • 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
    • G01S7/4026—Antenna boresight
    • 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
    • H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • 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
    • G01S3/00—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic or electromagnetic waves, or particle emission, not having a directional significance, are being received
    • G01S3/02—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic or electromagnetic waves, or particle emission, not having a directional significance, are being received using radio waves
    • G01S3/14—Systems for determining direction or deviation from predetermined direction
    • G01S3/46—Systems for determining direction or deviation from predetermined direction using antennas spaced apart and measuring phase or time difference between signals therefrom, i.e. path-difference systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Signal Processing (AREA)
  • Radar Systems Or Details Thereof (AREA)
JP2022542822A 2020-08-13 2021-08-04 推定方法および推定装置 Active JP7768132B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US202063065216P 2020-08-13 2020-08-13
US63/065,216 2020-08-13
PCT/JP2021/028952 WO2022034842A1 (ja) 2020-08-13 2021-08-04 推定方法および推定装置

Publications (2)

Publication Number Publication Date
JPWO2022034842A1 JPWO2022034842A1 (https=) 2022-02-17
JP7768132B2 true JP7768132B2 (ja) 2025-11-12

Family

ID=80247843

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2022542822A Active JP7768132B2 (ja) 2020-08-13 2021-08-04 推定方法および推定装置

Country Status (3)

Country Link
US (1) US12416700B2 (https=)
JP (1) JP7768132B2 (https=)
WO (1) WO2022034842A1 (https=)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11095017B2 (en) * 2018-07-13 2021-08-17 Apple Inc. Electronic device having angle of arrival detection capabilities
WO2022060265A1 (en) * 2020-09-18 2022-03-24 Telefonaktiebolaget Lm Ericsson (Publ) Position determination of a wireless device

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009019881A1 (ja) 2007-08-08 2009-02-12 Fujitsu Ten Limited レーダ装置、及び方位角検出方法
WO2013118557A1 (ja) 2012-02-08 2013-08-15 アルプス電気株式会社 マルチパス検出方法及び到来角度算出装置
JP2013195189A (ja) 2012-03-19 2013-09-30 Toshiba Corp 目標角度検出装置、目標角度検出方法及び誘導装置

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3824595A (en) * 1971-06-04 1974-07-16 Bunker Ramo High accuracy direction finding system
US5541608A (en) * 1995-03-29 1996-07-30 Itt Corporation Hybrid amplitude/phase comparison direction finding system
US5821816A (en) * 1997-06-12 1998-10-13 Hewlett-Packard Company Integer division variable frequency synthesis apparatus and method
JP2010286402A (ja) 2009-06-12 2010-12-24 Toshiba Corp 電波到来角度推定装置及び電波到来角度推定方法
CN107110978B (zh) * 2014-12-26 2021-02-02 古野电气株式会社 状态计算装置、状态计算方法及存储介质
US10481236B2 (en) * 2017-03-15 2019-11-19 Cypress Semiconductor Corporation Systems and methods for estimating angle of arrival in a wireless device

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009019881A1 (ja) 2007-08-08 2009-02-12 Fujitsu Ten Limited レーダ装置、及び方位角検出方法
WO2013118557A1 (ja) 2012-02-08 2013-08-15 アルプス電気株式会社 マルチパス検出方法及び到来角度算出装置
JP2013195189A (ja) 2012-03-19 2013-09-30 Toshiba Corp 目標角度検出装置、目標角度検出方法及び誘導装置

Also Published As

Publication number Publication date
WO2022034842A1 (ja) 2022-02-17
JPWO2022034842A1 (https=) 2022-02-17
US20230168329A1 (en) 2023-06-01
US12416700B2 (en) 2025-09-16

Similar Documents

Publication Publication Date Title
JP7768132B2 (ja) 推定方法および推定装置
WO2023246020A1 (zh) 定位方法、定位装置、计算机可读存储介质和定位系统
US9804255B2 (en) Kalman filter for indoor positioning
CN103455383B (zh) 误差校准装置及方法
WO2011114441A1 (ja) ウェブ中心位置制御装置、方法及びプログラム並びにウェブトリミング装置
WO2014103175A1 (ja) 歪み補償装置及び歪み補償方法
US20190123859A1 (en) Method and system of frequency correction in lpwan networks
KR102201528B1 (ko) 정보 나이 기반 무선 전력 전송 IoT 네트워크의 스케줄링 방법 및 시스템
Raitoharju et al. Binomial Gaussian mixture filter
JP2005331466A (ja) 方位検出装置および方位検出方法
US10720702B2 (en) Method and device for correcting antenna phase
JP2007214670A (ja) クライアント装置およびプログラム
JP6728961B2 (ja) 受信電力推定装置、受信電力推定方法および受信電力推定プログラム
WO2025260646A1 (zh) 超声波指纹检测方法、装置、电子设备和存储介质
KR102106673B1 (ko) 비콘 기반 측위장치의 신호 세기 보상 장치 및 방법
WO2023027019A1 (ja) レーダ装置、及び方位推定方法
KR102315039B1 (ko) 채널 보정 가능한 다중 채널 송수신 장치 및 방법
EP3923518A1 (en) Radio communication device, radio path control methods and programs
JP6861919B2 (ja) レーダ装置および位置姿勢計測方法
KR102144004B1 (ko) 타원체 맞춤을 이용한 분산 mimo 레이더를 위한 표적위치 추정방법
JP6334486B2 (ja) 無線通信装置、方法およびプログラム
JP7353515B1 (ja) アンテナ制御装置、アンテナ制御方法及びアンテナ装置
JP7121951B2 (ja) 通信品質評価装置、通信品質評価方法及びプログラム
JP2009088771A (ja) 補間方法、およびそれを利用した補間装置、受信装置
JP2023170559A (ja) パラメータ変更装置、送信機、パラメータ変更方法、及びプログラム

Legal Events

Date Code Title Description
A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20240731

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20250617

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20250814

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20250930

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20251013

R150 Certificate of patent or registration of utility model

Ref document number: 7768132

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R150