KR20020007129A - 무선 통신 기지국, 무선 위치 측정 시스템, 송신 타이밍측정 장치 및 위치 측정 센터 장치 - Google Patents
무선 통신 기지국, 무선 위치 측정 시스템, 송신 타이밍측정 장치 및 위치 측정 센터 장치 Download PDFInfo
- Publication number
- KR20020007129A KR20020007129A KR1020010010019A KR20010010019A KR20020007129A KR 20020007129 A KR20020007129 A KR 20020007129A KR 1020010010019 A KR1020010010019 A KR 1020010010019A KR 20010010019 A KR20010010019 A KR 20010010019A KR 20020007129 A KR20020007129 A KR 20020007129A
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- South Korea
- Prior art keywords
- transmission timing
- base station
- measuring
- timing
- transmission
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/14—Relay systems
- H04B7/15—Active relay systems
- H04B7/155—Ground-based stations
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J3/00—Time-division multiplex systems
- H04J3/02—Details
- H04J3/06—Synchronising arrangements
- H04J3/0635—Clock or time synchronisation in a network
- H04J3/0685—Clock or time synchronisation in a node; Intranode synchronisation
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J3/00—Time-division multiplex systems
- H04J3/02—Details
- H04J3/06—Synchronising arrangements
- H04J3/0635—Clock or time synchronisation in a network
- H04J3/0638—Clock or time synchronisation among nodes; Internode synchronisation
- H04J3/0644—External master-clock
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J3/00—Time-division multiplex systems
- H04J3/02—Details
- H04J3/06—Synchronising arrangements
- H04J3/0635—Clock or time synchronisation in a network
- H04J3/0685—Clock or time synchronisation in a node; Intranode synchronisation
- H04J3/0688—Change of the master or reference, e.g. take-over or failure of the master
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Position Fixing By Use Of Radio Waves (AREA)
- Mobile Radio Communication Systems (AREA)
- Electric Clocks (AREA)
Abstract
Description
Claims (9)
- 무선 통신 기지국에 있어서,기지국 안테나로부터 송신된 신호를 수신하여, 그 수신 타이밍을 측정하는 송신 타이밍 측정 장치와,기지국의 송신 타이밍을 제어하는 송신 타이밍 제어 수단을 포함하며,상기 송신 타이밍 측정 장치의 결과와 측정 기준 클럭을 이용하여 상기 송신 타이밍 제어 장치는 상기 기지국 안테나에 있어서의 송신 타이밍의 제어를 행하는 것을 특징으로 하는 무선 통신 기지국.
- 제1항에 있어서, 상기 송신 타이밍 측정 장치는GPS 혹은 시계에 의해 상기 측정 기준 클럭을 작성하는 클럭 작성 장치와,상기 송신 타이밍 측정 장치에 동기하여 무선 통신기지국으로부터 송신되는 신호를 수신하는 수신 장치를 포함하는 것을 특징으로 하는 무선 통신 기지국.
- 무선 위치 측정 시스템에 있어서,복수의 기지국으로부터 송신되는 특정 신호의 수신 타이밍을 각각 측정하는 복수의 송신 타이밍 측정 장치와,상기 복수의 송신 타이밍 측정 장치가 측정한 결과로부터 얻어지는 복수 기지국의 송신 타이밍의 보정 값을 축적하는 위치 측정 센터 장치와,상기 복수의 기지국의 특정 기지국으로부터 송신되는 특정 신호의 수신 타이밍을 측정하는 무선 단말을 포함하며,상기 위치 측정 센터 장치는 상기 무선 단말로부터의 요구에 따라 상기 특정기지국의 상기 보정 값을 상기 무선 단말로 송신하고, 상기 무선 단말은 상기 무선 단말로부터 측정된 특정 기지국에서의 신호의 수신 타이밍을 상기 보정 값으로 보정하여 상기 무선 단말 위치를 계산하는 것을 특징으로 하는 무선 위치 측정 시스템.
- 무선 위치 측정 시스템에 있어서,복수의 기지국으로부터 송신되는 특정 신호의 수신 타이밍을 각각 측정하는 복수의 송신 타이밍 측정 장치와,상기 복수의 송신 타이밍 측정 장치가 측정한 결과로부터 얻어지는 복수 기지국의 송신 타이밍의 보정 값을 축적하는 위치 측정 센터 장치와,상기 복수의 기지국의 특정 기지국으로부터 송신되는 특정 신호의 수신 타이밍을 측정하는 무선 단말을 포함하며,상기 무선 단말은 측정 결과를 상기 위치 측정 센터 장치로 송신하고, 상기위치 측정 센터 장치는 축적되어 있는 송신 타이밍의 보정 값을 이용하여 수신 타이밍 보정을 행하여 상기 무선 단말의 위치를 계산하는 것을 특징으로 하는 무선 위치 측정 시스템.
- 제3항 또는 제4항에 있어서, 상기 복수의 송신 타이밍 측정 장치 각각은,GPS 혹은 시계 기능에 의해 타이밍을 계측하는 타이밍 측정 장치와,상기 타이밍 측정 장치에 동기하여 상기 특정 신호를 수신하는 수신 장치를 포함하는 것을 특징으로 하는 무선 위치 측정 시스템.
- 송신 타이밍 측정 장치에 있어서,특정 신호의 수신 타이밍을 GPS 혹은 시계 기능에 의해 타이밍을 계측하는 타이밍 측정 장치와,상기 타이밍 측정 장치에 동기하여 기지국으로부터 송신되는 특정 신호를 수신하는 수신 장치를 포함하는 송신 타이밍 측정 장치.
- 제6항에 있어서,상기 송신 타이밍 측정 장치는 기지국 안테나와 동일한 건조물에 설치되는 것을 특징으로 하는 송신 타이밍 측정 장치.
- 위치 측정 센터 장치에 있어서,복수의 기지국의 특정 신호의 송신 타이밍의 보정 값을 축적하는 축적 수단과,단말로부터의 요구에 따라 상기 축적 수단에 축적된 상기 보정 값을 상기 단말에 송신하는 통신 수단을 포함하는 것을 특징으로 하는 위치 측정 센터 장치.
- 제1항에 있어서,상기 송신 타이밍 측정 장치는 상기 기지국 안테나에 근접하여 결합에 의해 상기 신호를 수신하는 것을 특징으로 하는 무선 통신 기지국.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2000221043A JP3656526B2 (ja) | 2000-07-17 | 2000-07-17 | 無線通信基地局、無線位置測定システム、送信タイミング測定装置ならびに位置測定センタ装置 |
| JP2000-221043 | 2000-07-17 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR20020007129A true KR20020007129A (ko) | 2002-01-26 |
| KR100712577B1 KR100712577B1 (ko) | 2007-05-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020010010019A Expired - Fee Related KR100712577B1 (ko) | 2000-07-17 | 2001-02-27 | 무선 위치 측정 시스템 및 위치 측정 센터 장치 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US6704547B2 (ko) |
| EP (1) | EP1174726B1 (ko) |
| JP (1) | JP3656526B2 (ko) |
| KR (1) | KR100712577B1 (ko) |
| CN (1) | CN1197402C (ko) |
| DE (1) | DE60125286T2 (ko) |
| TW (1) | TW594035B (ko) |
Cited By (2)
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| KR100691407B1 (ko) * | 2005-04-27 | 2007-03-12 | 세이코 엡슨 가부시키가이샤 | 측위 시스템, 정보 제공 장치, 단말 장치, 정보 제공장치의 제어 방법, 정보 제공 장치의 제어 프로그램을기록한 컴퓨터 판독 가능한 기록 매체 |
| KR100855429B1 (ko) * | 2002-12-30 | 2008-09-01 | 엘지노텔 주식회사 | 무선측위시스템의 거리오차 감소방법 |
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-
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- 2001-02-27 TW TW090104500A patent/TW594035B/zh not_active IP Right Cessation
- 2001-02-28 US US09/793,908 patent/US6704547B2/en not_active Expired - Fee Related
- 2001-02-28 CN CNB011207809A patent/CN1197402C/zh not_active Expired - Fee Related
- 2001-05-30 DE DE60125286T patent/DE60125286T2/de not_active Expired - Fee Related
- 2001-05-30 EP EP01112839A patent/EP1174726B1/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100855429B1 (ko) * | 2002-12-30 | 2008-09-01 | 엘지노텔 주식회사 | 무선측위시스템의 거리오차 감소방법 |
| KR100691407B1 (ko) * | 2005-04-27 | 2007-03-12 | 세이코 엡슨 가부시키가이샤 | 측위 시스템, 정보 제공 장치, 단말 장치, 정보 제공장치의 제어 방법, 정보 제공 장치의 제어 프로그램을기록한 컴퓨터 판독 가능한 기록 매체 |
Also Published As
| Publication number | Publication date |
|---|---|
| EP1174726A2 (en) | 2002-01-23 |
| EP1174726B1 (en) | 2006-12-20 |
| CN1334688A (zh) | 2002-02-06 |
| CN1197402C (zh) | 2005-04-13 |
| EP1174726A3 (en) | 2004-02-25 |
| DE60125286T2 (de) | 2007-07-05 |
| TW594035B (en) | 2004-06-21 |
| JP3656526B2 (ja) | 2005-06-08 |
| US20020009974A1 (en) | 2002-01-24 |
| DE60125286D1 (de) | 2007-02-01 |
| JP2002031675A (ja) | 2002-01-31 |
| KR100712577B1 (ko) | 2007-05-02 |
| US6704547B2 (en) | 2004-03-09 |
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