KR101233755B1 - 신호 세기를 이용한 무선 신호로 측정된 거리의 검증 방법 - Google Patents
신호 세기를 이용한 무선 신호로 측정된 거리의 검증 방법 Download PDFInfo
- Publication number
- KR101233755B1 KR101233755B1 KR1020110024999A KR20110024999A KR101233755B1 KR 101233755 B1 KR101233755 B1 KR 101233755B1 KR 1020110024999 A KR1020110024999 A KR 1020110024999A KR 20110024999 A KR20110024999 A KR 20110024999A KR 101233755 B1 KR101233755 B1 KR 101233755B1
- Authority
- KR
- South Korea
- Prior art keywords
- distance
- measured
- signal strength
- signal
- strength
- 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.)
- Expired - Fee Related
Links
Images
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
- G01S1/00—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith
- G01S1/02—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith using radio waves
- G01S1/022—Means for monitoring or calibrating
- G01S1/026—Means for monitoring or calibrating of associated receivers
-
- 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
- G01S1/00—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith
- G01S1/02—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith using radio waves
- G01S1/04—Details
- G01S1/045—Receivers
-
- 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
- G01S1/00—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith
- G01S1/02—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith using radio waves
- G01S1/08—Systems for determining direction or position line
-
- 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
- G01S5/021—Calibration, monitoring or correction
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
- G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
- G06K19/067—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components
- G06K19/07—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips
- G06K19/0723—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips the record carrier comprising an arrangement for non-contact communication, e.g. wireless communication circuits on transponder cards, non-contact smart cards or RFIDs
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
- G06K7/10—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
- G06K7/10009—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves
- G06K7/10237—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves the reader and the record carrier being capable of selectively switching between reader and record carrier appearance, e.g. in near field communication [NFC] devices where the NFC device may function as an RFID reader or as an RFID tag
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Computer Networks & Wireless Communication (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Theoretical Computer Science (AREA)
- Toxicology (AREA)
- Health & Medical Sciences (AREA)
- Electromagnetism (AREA)
- General Health & Medical Sciences (AREA)
- Artificial Intelligence (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Radar Systems Or Details Thereof (AREA)
- Position Fixing By Use Of Radio Waves (AREA)
Abstract
Description
도 2는 무선 신호를 이용한 거리 측정을 위한 TWR 방식을 나타낸 구성도
도 3은 실시간 위치 측정 시스템(RTLS)에서 장애물에 의한 투과와 반사로 인한 거리 측정 오차 발생 상태를 나타낸 구성도
도 4는 본 발명에 따른 신호 세기를 이용하여 무선 신호로 측정된 거리를 검증하는 과정을 나타낸 플로우차트
Claims (7)
- 태그가 부착되어 있는 대상의 위치를 실시간으로 확인할 수 있는 실시간 위치 인식 시스템(RTLS)에서 무선 신호를 이용한 거리 측정에 있어서,
두 지점 사이의 거리 측정을 위한 무선 신호를 이용한 거리 측정에서의 신호 세기를 측정하는 단계;
상기 측정된 거리 정보를 이용하여 신호 세기를 예상하는 단계;
상기 측정된 신호 세기와 예상되는 신호 세기를 비교하여, 측정된 신호 세기가 예상되는 신호 세기에 비해 약할 경우 거리 측정 과정에서 무선 신호의 반사나 투과가 일어난 것으로 판단하는 측정된 거리의 검증을 하는 단계;를 포함하고,
상기 거리 측정은, 두 지점 사이를 무선 신호가 왕복하는 시간을 측정하여 거리를 계산하는 TWR(Two-Way Ranging) 거리 측정 방법을 이용하여 거리 측정을 수행하는 것을 특징으로 하는 신호 세기를 이용한 무선 신호로 측정된 거리의 검증 방법. - 삭제
- 제 1 항에 있어서, 거리 측정에서의 신호 세기를 측정하는 단계에서,
거리 측정 과정에서 무선 신호를 수신할 때마다 해당 무선 신호의 세기를 측정하는 것을 특징으로 하는 신호 세기를 이용한 무선 신호로 측정된 거리의 검증 방법. - 제 1 항에 있어서, 상기 거리 측정시의 신호 세기를 측정하는 과정에서 수신되는 신호 하나의 신호 세기만을 사용하지 않고 수신되는 여러 신호의 세기들을 평균 내어 사용하는 것을 특징으로 하는 신호 세기를 이용한 무선 신호로 측정된 거리의 검증 방법.
- 삭제
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020110024999A KR101233755B1 (ko) | 2011-03-21 | 2011-03-21 | 신호 세기를 이용한 무선 신호로 측정된 거리의 검증 방법 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020110024999A KR101233755B1 (ko) | 2011-03-21 | 2011-03-21 | 신호 세기를 이용한 무선 신호로 측정된 거리의 검증 방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20120107352A KR20120107352A (ko) | 2012-10-02 |
KR101233755B1 true KR101233755B1 (ko) | 2013-02-15 |
Family
ID=47279362
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020110024999A Expired - Fee Related KR101233755B1 (ko) | 2011-03-21 | 2011-03-21 | 신호 세기를 이용한 무선 신호로 측정된 거리의 검증 방법 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR101233755B1 (ko) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101650070B1 (ko) * | 2015-02-26 | 2016-08-23 | (주)피플앤드테크놀러지 | 무선신호 정규화 시스템 및 그 방법과 정규화 시스템을 이용한 측위시스템 및 그 방법 |
KR101589733B1 (ko) * | 2015-09-29 | 2016-01-28 | (주)나인마케팅 | 위치파악기능이 구비된 냉장 보관 시스템 |
KR101975657B1 (ko) * | 2017-05-02 | 2019-05-07 | 광운대학교 산학협력단 | 측위 장치 및 그 제어 방법 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100892241B1 (ko) | 2007-05-04 | 2009-04-09 | 한국전기연구원 | 무선위치 인식 시스템 및 그 인식방법 |
KR100938806B1 (ko) | 2008-04-30 | 2010-01-28 | 대구대학교 산학협력단 | 알에프수신신호세기의 확률적 필터링을 이용한무선센서노드 위치추적방법 |
-
2011
- 2011-03-21 KR KR1020110024999A patent/KR101233755B1/ko not_active Expired - Fee Related
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100892241B1 (ko) | 2007-05-04 | 2009-04-09 | 한국전기연구원 | 무선위치 인식 시스템 및 그 인식방법 |
KR100938806B1 (ko) | 2008-04-30 | 2010-01-28 | 대구대학교 산학협력단 | 알에프수신신호세기의 확률적 필터링을 이용한무선센서노드 위치추적방법 |
Also Published As
Publication number | Publication date |
---|---|
KR20120107352A (ko) | 2012-10-02 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US8179251B2 (en) | Method and network for determining positions of wireless nodes while minimizing propagation of positioning errors | |
KR101040705B1 (ko) | 무선 측위 시스템 및 측위 방법 | |
US10795011B2 (en) | Distance estimation using phase information | |
US10492022B2 (en) | System and method for robust and accurate RSSI based location estimation | |
US8755304B2 (en) | Time of arrival based positioning for wireless communication systems | |
EP2793041A1 (en) | Assured vehicle absolute localisation | |
CN101604021B (zh) | 一种无线射频识别系统的定位方法与装置 | |
KR101234177B1 (ko) | 사용자 단말의 위치 측정 방법 | |
JP6251930B2 (ja) | 位置推定システム | |
US20090121867A1 (en) | Indoor location system having sensor and method for checking location using the same | |
KR100882590B1 (ko) | 위치 판단 장치 및 방법 | |
KR101233755B1 (ko) | 신호 세기를 이용한 무선 신호로 측정된 거리의 검증 방법 | |
KR20150132165A (ko) | 외부 지원 정보를 사용하여 고정, 타이밍-기반 무선 위치 결정 네트워크의 성능을 개선하기 위한 기술 | |
KR101342215B1 (ko) | Rfid를 기반으로 한 위치 측정 방법 및 시스템 | |
US20070184843A1 (en) | Self surveying radio location method | |
US10906572B2 (en) | Method for the detection of crosstalk phenomena | |
KR101091102B1 (ko) | 항만 환경 기반의 실시간 다단계 위치 인식 시스템의 동작 방법 | |
US20210111816A1 (en) | Rss signal correction method | |
KR101115777B1 (ko) | 교점 분포를 이용한 위치 측정 장치 및 방법 | |
Gikas et al. | Full-scale testing and performance evaluation of an active RFID system for positioning and personal mobility | |
JP2010014440A (ja) | リーダライタ、及び物品位置検出システム | |
KR20190055342A (ko) | 신호 보정 방법 | |
KR101392068B1 (ko) | 기저선 정보를 이용한 위성항법시스템의 고장 검출 장치 및 그 방법 | |
KR101356019B1 (ko) | 휴대폰 망 이중분리 레이더에서 위치 추정 오차를 줄이는 위치 추정 방법 및 그 시스템 | |
KR101349883B1 (ko) | 자선 위치 식별 시스템 및 그 방법 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A201 | Request for examination | ||
PA0109 | Patent application |
Patent event code: PA01091R01D Comment text: Patent Application Patent event date: 20110321 |
|
PA0201 | Request for examination | ||
E902 | Notification of reason for refusal | ||
PE0902 | Notice of grounds for rejection |
Comment text: Notification of reason for refusal Patent event date: 20120426 Patent event code: PE09021S01D |
|
AMND | Amendment | ||
PG1501 | Laying open of application | ||
E601 | Decision to refuse application | ||
PE0601 | Decision on rejection of patent |
Patent event date: 20121108 Comment text: Decision to Refuse Application Patent event code: PE06012S01D Patent event date: 20120426 Comment text: Notification of reason for refusal Patent event code: PE06011S01I |
|
AMND | Amendment | ||
PX0901 | Re-examination |
Patent event code: PX09011S01I Patent event date: 20121108 Comment text: Decision to Refuse Application Patent event code: PX09012R01I Patent event date: 20120726 Comment text: Amendment to Specification, etc. |
|
PX0701 | Decision of registration after re-examination |
Patent event date: 20130111 Comment text: Decision to Grant Registration Patent event code: PX07013S01D Patent event date: 20121210 Comment text: Amendment to Specification, etc. Patent event code: PX07012R01I Patent event date: 20121108 Comment text: Decision to Refuse Application Patent event code: PX07011S01I Patent event date: 20120726 Comment text: Amendment to Specification, etc. Patent event code: PX07012R01I |
|
X701 | Decision to grant (after re-examination) | ||
GRNT | Written decision to grant | ||
PR0701 | Registration of establishment |
Comment text: Registration of Establishment Patent event date: 20130208 Patent event code: PR07011E01D |
|
PR1002 | Payment of registration fee |
Payment date: 20130212 End annual number: 3 Start annual number: 1 |
|
PG1601 | Publication of registration | ||
FPAY | Annual fee payment |
Payment date: 20160203 Year of fee payment: 4 |
|
PR1001 | Payment of annual fee |
Payment date: 20160203 Start annual number: 4 End annual number: 4 |
|
LAPS | Lapse due to unpaid annual fee | ||
PC1903 | Unpaid annual fee |
Termination category: Default of registration fee Termination date: 20181119 |