KR100639500B1 - 무선통신시스템에서의 위치 측정 방법 - Google Patents
무선통신시스템에서의 위치 측정 방법 Download PDFInfo
- Publication number
- KR100639500B1 KR100639500B1 KR1019990059032A KR19990059032A KR100639500B1 KR 100639500 B1 KR100639500 B1 KR 100639500B1 KR 1019990059032 A KR1019990059032 A KR 1019990059032A KR 19990059032 A KR19990059032 A KR 19990059032A KR 100639500 B1 KR100639500 B1 KR 100639500B1
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- Prior art keywords
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- standard deviation
- communication system
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- 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
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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
- 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
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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
- 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
- G01S5/0236—Assistance data, e.g. base station almanac
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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
- 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
- G01S5/10—Position of receiver fixed by co-ordinating a plurality of position lines defined by path-difference measurements, e.g. omega or decca systems
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/02—Services making use of location information
- H04W4/023—Services making use of location information using mutual or relative location information between multiple location based services [LBS] targets or of distance thresholds
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/02—Services making use of location information
- H04W4/025—Services making use of location information using location based information parameters
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/02—Services making use of location information
- H04W4/029—Location-based management or tracking services
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
Description
Claims (5)
- 삭제
- 삭제
- 무선통신시스템에 적용되는 위치 측정 방법에 있어서,과거 측정값의 표준편차를 계산하고, 상기 과거 측정값의 표준편차와 비가시선 성분을 구별하는데 기준이 되는 표준편차의 문턱값을 비교하여 비가시선을 구별하는 제 1 단계;상기 구별된 비가시선 성분의 측정 거리에 대하여 칼만 필터를 이용해 비가시선에 의한 위치 오차를 보정하는 제 2 단계; 및상기 비가시선 신호의 보정된 값과 가시선 신호의 측정값에 따라 무선 단말기의 위치를 추정하는 제 3 단계를 포함하는 무선통신시스템에서의 위치 측정 방법.
- 제 3 항에 있어서,상기 제 3 단계는,셀/섹터 정보와 이동 단말기의 운동 모델을 이용하여 위치를 추정하는 것을 특징으로 하는 무선통신시스템에서의 위치 측정 방법.
- 프로세서를 구비한 무선통신시스템에서,과거 측정값의 표준편차를 계산하고, 상기 과거 측정값의 표준편차와 비가시선 성분을 구별하는데 기준이 되는 표준편차의 문턱값을 비교하여 비가시선을 구별하는 제 1 단계;상기 구별된 비가시선 성분의 측정 거리에 대하여 칼만 필터를 이용해 비가시선에 의한 위치 오차를 보정하는 제 2 단계; 및상기 비가시선 신호의 보정된 값과 가시선 신호의 측정값에 따라 무선 단말기의 위치를 추정하는 제 3 단계를 실현시키기 위한 프로그램을 기록한 컴퓨터로 읽을 수 있는 기록매체.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019990059032A KR100639500B1 (ko) | 1999-12-18 | 1999-12-18 | 무선통신시스템에서의 위치 측정 방법 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019990059032A KR100639500B1 (ko) | 1999-12-18 | 1999-12-18 | 무선통신시스템에서의 위치 측정 방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20010064743A KR20010064743A (ko) | 2001-07-11 |
KR100639500B1 true KR100639500B1 (ko) | 2006-10-26 |
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Application Number | Title | Priority Date | Filing Date |
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KR1019990059032A KR100639500B1 (ko) | 1999-12-18 | 1999-12-18 | 무선통신시스템에서의 위치 측정 방법 |
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KR (1) | KR100639500B1 (ko) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100775284B1 (ko) * | 2001-06-13 | 2007-11-08 | 주식회사 케이티 | 무선 측위 시스템을 위한 비가시경로 오차 보정 방법 |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100831556B1 (ko) * | 2001-12-21 | 2008-05-21 | 주식회사 케이티 | 무선 측위 시스템을 위한 비가시경로 오차 보정 방법 |
KR100855429B1 (ko) * | 2002-12-30 | 2008-09-01 | 엘지노텔 주식회사 | 무선측위시스템의 거리오차 감소방법 |
KR100780217B1 (ko) * | 2006-07-18 | 2007-11-27 | 삼성전기주식회사 | 위치 인식 방법 |
KR100789420B1 (ko) * | 2006-08-10 | 2007-12-28 | 학교법인 현동학원 | 실내 비가시선 환경에서의 초광대역 무선측위를 위한 오차보정방법 |
KR101597175B1 (ko) * | 2014-12-18 | 2016-02-24 | 주식회사 에스에이치피테크 | Fpcb의 습식공정 후처리 작업용 공구 및 이를 이용한 fpcb의 습식 공정 방법 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH09247738A (ja) * | 1996-03-05 | 1997-09-19 | Rookasu:Kk | 無線移動端末の位置特定方式 |
WO1998014018A1 (en) * | 1996-09-27 | 1998-04-02 | Rutgers University | Method and system for mobile location estimation |
KR20000051546A (ko) * | 1999-01-23 | 2000-08-16 | 윤종용 | 이동통신 네트워크에서 이동 전화기의 위치추적 방법 |
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1999
- 1999-12-18 KR KR1019990059032A patent/KR100639500B1/ko active IP Right Grant
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH09247738A (ja) * | 1996-03-05 | 1997-09-19 | Rookasu:Kk | 無線移動端末の位置特定方式 |
WO1998014018A1 (en) * | 1996-09-27 | 1998-04-02 | Rutgers University | Method and system for mobile location estimation |
KR20000051546A (ko) * | 1999-01-23 | 2000-08-16 | 윤종용 | 이동통신 네트워크에서 이동 전화기의 위치추적 방법 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100775284B1 (ko) * | 2001-06-13 | 2007-11-08 | 주식회사 케이티 | 무선 측위 시스템을 위한 비가시경로 오차 보정 방법 |
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KR20010064743A (ko) | 2001-07-11 |
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