JPWO2021171380A1 - - Google Patents
Info
- Publication number
- JPWO2021171380A1 JPWO2021171380A1 JP2020544865A JP2020544865A JPWO2021171380A1 JP WO2021171380 A1 JPWO2021171380 A1 JP WO2021171380A1 JP 2020544865 A JP2020544865 A JP 2020544865A JP 2020544865 A JP2020544865 A JP 2020544865A JP WO2021171380 A1 JPWO2021171380 A1 JP WO2021171380A1
- Authority
- JP
- Japan
- 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.)
- Granted
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
- G01S13/02—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
- G01S13/10—Systems for measuring distance only using transmission of interrupted, pulse modulated waves
- G01S13/106—Systems for measuring distance only using transmission of interrupted, pulse modulated waves using transmission of pulses having some particular characteristics
-
- 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
- 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
- G01S13/10—Systems for measuring distance only using transmission of interrupted, pulse modulated waves
- G01S13/103—Systems for measuring distance only using transmission of interrupted, pulse modulated waves particularities of the measurement of the distance
-
- 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
- G01S7/28—Details of pulse systems
- G01S7/285—Receivers
- G01S7/292—Extracting wanted echo-signals
- G01S7/2923—Extracting wanted echo-signals based on data belonging to a number of consecutive radar periods
-
- 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
- G01S13/87—Combinations of radar systems, e.g. primary radar and secondary radar
- G01S13/878—Combination of several spaced transmitters or receivers of known location for determining the position of a transponder or a reflector
Landscapes
- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Radar Systems Or Details Thereof (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2020/007523 WO2021171380A1 (ja) | 2020-02-25 | 2020-02-25 | 無線測距システム、測距端末、制御回路、記憶媒体および無線測距方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP6833125B1 JP6833125B1 (ja) | 2021-02-24 |
JPWO2021171380A1 true JPWO2021171380A1 (ja) | 2021-09-02 |
Family
ID=74665098
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2020544865A Active JP6833125B1 (ja) | 2020-02-25 | 2020-02-25 | 無線測距システム |
Country Status (5)
Country | Link |
---|---|
US (1) | US20220342064A1 (ja) |
EP (1) | EP4099054B1 (ja) |
JP (1) | JP6833125B1 (ja) |
CN (1) | CN115136027A (ja) |
WO (1) | WO2021171380A1 (ja) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE112021008312T5 (de) * | 2021-12-22 | 2024-08-08 | Mitsubishi Electric Corporation | Kommunikationsvorrichtung, drahtloses abstandsmesssystem, steuerschaltung, speichermedium und verfahren zur erfassung von anomalien |
CN118348477A (zh) * | 2023-01-13 | 2024-07-16 | 华为技术有限公司 | 测距方法和测距装置 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS56119005A (en) | 1980-02-21 | 1981-09-18 | Kajima Corp | Construction of elevated structure |
JPH0196577A (ja) * | 1987-10-08 | 1989-04-14 | Nec Corp | 測距信号変調方式 |
US6421371B1 (en) * | 1998-11-17 | 2002-07-16 | Ericsson Inc. | Modulation sequence synchronization methods and apparatus employing partial sequence correlation |
JP4561329B2 (ja) * | 2004-11-18 | 2010-10-13 | ソニー株式会社 | 測距システム,送信端末,受信端末,測距方法,およびコンピュータプログラム |
EP1801612A1 (en) * | 2005-12-23 | 2007-06-27 | Essensium | Method for estimating distance between transmitter and receiver, and transmitter and receiver implementing same |
JP4835523B2 (ja) * | 2007-06-25 | 2011-12-14 | パナソニック電工株式会社 | 無線通信システム |
KR102246274B1 (ko) * | 2014-02-21 | 2021-04-29 | 삼성전자주식회사 | 무선 통신시스템의 거리 측정을 위한 오차 보상 장치 및 방법 |
US20160183113A1 (en) * | 2014-12-23 | 2016-06-23 | Qualcomm Incorporated | Efficient pairwise ranging to nodes in a large cluster |
JP6919451B2 (ja) * | 2017-09-21 | 2021-08-18 | 株式会社デンソー | 携帯機位置推定システム |
JP2019065610A (ja) * | 2017-10-02 | 2019-04-25 | 株式会社デンソー | 車両用電子キーシステム |
-
2020
- 2020-02-25 CN CN202080096958.9A patent/CN115136027A/zh active Pending
- 2020-02-25 JP JP2020544865A patent/JP6833125B1/ja active Active
- 2020-02-25 WO PCT/JP2020/007523 patent/WO2021171380A1/ja unknown
- 2020-02-25 EP EP20921567.2A patent/EP4099054B1/en active Active
-
2022
- 2022-07-05 US US17/857,454 patent/US20220342064A1/en active Pending
Also Published As
Publication number | Publication date |
---|---|
CN115136027A (zh) | 2022-09-30 |
WO2021171380A1 (ja) | 2021-09-02 |
JP6833125B1 (ja) | 2021-02-24 |
EP4099054A1 (en) | 2022-12-07 |
EP4099054A4 (en) | 2023-03-15 |
US20220342064A1 (en) | 2022-10-27 |
EP4099054B1 (en) | 2024-04-03 |
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