JP4597547B2 - Gps信号の伝送システム - Google Patents
Gps信号の伝送システム Download PDFInfo
- Publication number
- JP4597547B2 JP4597547B2 JP2004052006A JP2004052006A JP4597547B2 JP 4597547 B2 JP4597547 B2 JP 4597547B2 JP 2004052006 A JP2004052006 A JP 2004052006A JP 2004052006 A JP2004052006 A JP 2004052006A JP 4597547 B2 JP4597547 B2 JP 4597547B2
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- JP
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- Prior art keywords
- signal
- gps
- frequency
- satellite broadcast
- gps signal
- 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.)
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- 230000008054 signal transmission Effects 0.000 title claims description 21
- 230000005540 biological transmission Effects 0.000 claims description 47
- 230000002194 synthesizing effect Effects 0.000 claims description 6
- 238000010586 diagram Methods 0.000 description 13
- 238000004519 manufacturing process Methods 0.000 description 10
- 238000000034 method Methods 0.000 description 6
- 238000009434 installation Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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
- G01S19/00—Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
- G01S19/01—Satellite radio beacon positioning systems transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
- G01S19/03—Cooperating elements; Interaction or communication between different cooperating elements or between cooperating elements and receivers
- G01S19/10—Cooperating elements; Interaction or communication between different cooperating elements or between cooperating elements and receivers providing dedicated supplementary positioning signals
- G01S19/11—Cooperating elements; Interaction or communication between different cooperating elements or between cooperating elements and receivers providing dedicated supplementary positioning signals wherein the cooperating elements are pseudolites or satellite radio beacon positioning system signal repeaters
-
- 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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- 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)
- Position Fixing By Use Of Radio Waves (AREA)
- Radio Relay Systems (AREA)
Description
以下、本発明の第2の実施の形態について説明する。本実施の形態に係る伝送システムにおけるGPS対応混合器500は、周波数変換機能を有する点で、図2に示したGPS対応混合器200と異なる。
Claims (3)
- GPS(Global Positioning System)アンテナにより受信されるGPS信号と、衛星
放送受信アンテナにより受信される衛星放送信号とを合成して1つの伝送信号として伝送するGPS信号の伝送システムであって、
前記GPSアンテナから出力されるGPS信号を伝送する第1の配線と、
前記衛星放送受信アンテナから出力される衛星放送信号を伝送する第2の配線と、
前記第1の配線および前記第2の配線に接続されて、前記GPS信号と前記衛星放送信号とを合成して出力するための混合手段とを備え、
前記混合手段は、
前記GPSアンテナから送られるGPS信号の周波数を高周波数に変換するアップコンバータと、
前記アップコンバータから出力されるGPS信号と、前記衛星放送信号受信アンテナから送られる衛星放送信号とを合成して伝送信号を生成する生成手段とを含み、
前記伝送システムは、さらに、
前記生成手段から出力される伝送信号を伝送する第3の配線と、
前記第3の配線を介して伝送される伝送信号を前記GPS信号と前記衛星放送信号とに分離する分波手段と、
前記分波手段によって分離されたGPS信号の周波数を低周波数に変換するダウンコンバータと、
前記ダウンコンバータからの出力に基づいてGPS信号を発信するための発信手段とを備え、
前記アップコンバータは、
第1の発振器と、
前記第1の発振器から出力される信号と、前記GPS信号とを混合する第1の混合器と、
前記第1の発振器から出力される信号をパイロットキャリア信号として出力する手段とを含み、
前記ダウンコンバータは、
前記アップコンバータから出力されたパイロットキャリア信号に基づいて発振する第2の発振器と、
GPS信号と、前記第2の発振器によって出力される信号とを合成する混合器と、
前記第3の配線を介して伝送された伝送信号を増幅して出力する増幅手段とを含む、GPS信号の伝送システム。 - 前記混合手段は、
前記衛星放送信号受信アンテナから送られる衛星放送信号のうち、予め定められた周波数以下の周波数信号を透過するローパスフィルタ手段と、
前記GPSアンテナから送られるGPS信号のうち、予め定められた周波数帯域に含まれる周波数信号を透過するバンドパスフィルタ手段とをさらに含む、請求項1に記載のGPS信号の伝送システム。 - 前記発信手段は、前記周波数帯域に含まれる周波数信号を透過するためのフィルタ手段をさらに含む、請求項1または2に記載のGPS信号の伝送システム。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004052006A JP4597547B2 (ja) | 2004-02-26 | 2004-02-26 | Gps信号の伝送システム |
CN2005100529054A CN1661391B (zh) | 2004-02-26 | 2005-02-25 | 定位用信号的传送系统及该系统的建立方法 |
KR1020050015782A KR101102670B1 (ko) | 2004-02-26 | 2005-02-25 | 위치측정을 위한 신호의 전송 시스템 및 그 시스템의 생산방법 |
US11/065,812 US20050206567A1 (en) | 2004-02-26 | 2005-02-25 | System for transmitting a signal for positioning and method for producing the system |
US12/368,056 US7649493B2 (en) | 2004-02-26 | 2009-02-09 | System for transmitting a signal for positioning and method for producing the system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004052006A JP4597547B2 (ja) | 2004-02-26 | 2004-02-26 | Gps信号の伝送システム |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2005244625A JP2005244625A (ja) | 2005-09-08 |
JP4597547B2 true JP4597547B2 (ja) | 2010-12-15 |
Family
ID=34985697
Family Applications (1)
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JP2004052006A Expired - Lifetime JP4597547B2 (ja) | 2004-02-26 | 2004-02-26 | Gps信号の伝送システム |
Country Status (4)
Country | Link |
---|---|
US (2) | US20050206567A1 (ja) |
JP (1) | JP4597547B2 (ja) |
KR (1) | KR101102670B1 (ja) |
CN (1) | CN1661391B (ja) |
Families Citing this family (12)
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JP2007333400A (ja) * | 2006-06-12 | 2007-12-27 | Dx Antenna Co Ltd | Gps信号伝送システム |
JP4674185B2 (ja) * | 2006-06-12 | 2011-04-20 | Dxアンテナ株式会社 | ブースタ |
DE102006052591B4 (de) * | 2006-11-08 | 2017-11-02 | Technisat Digital Gmbh | Rundfunkempfangseinheit |
CN101542309B (zh) * | 2006-11-17 | 2012-04-25 | 朗讯科技公司 | 使用分布式复合gps信号的地理定位 |
JP2010014485A (ja) * | 2008-07-02 | 2010-01-21 | Panasonic Corp | Gps信号発生装置及び中継システム |
JP2010278517A (ja) * | 2009-05-26 | 2010-12-09 | Dx Antenna Co Ltd | 衛星航法システム用信号伝送システム |
EP2519835A1 (en) * | 2009-12-31 | 2012-11-07 | Sabanci Universitesi | Indoor positioning system based on gps signals and pseudolites with outdoor directional antennas |
US8768267B2 (en) * | 2010-02-03 | 2014-07-01 | Hollinworth Fund, L.L.C. | Switchless band separation for transceivers |
WO2011150789A1 (zh) | 2010-05-31 | 2011-12-08 | 华为技术有限公司 | 基站和基站时钟同步方法 |
CN101868055B (zh) * | 2010-05-31 | 2012-08-15 | 华为技术有限公司 | 一种无线基站 |
KR101006949B1 (ko) * | 2010-06-07 | 2011-01-12 | 주식회사 케이티 | 무선 인터넷 커버리지를 확장하는 시스템 |
CN106101665B (zh) * | 2016-08-05 | 2022-04-19 | 北京华信泰科技股份有限公司 | 一种卫星信号处理器 |
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-
2004
- 2004-02-26 JP JP2004052006A patent/JP4597547B2/ja not_active Expired - Lifetime
-
2005
- 2005-02-25 CN CN2005100529054A patent/CN1661391B/zh not_active Expired - Fee Related
- 2005-02-25 US US11/065,812 patent/US20050206567A1/en not_active Abandoned
- 2005-02-25 KR KR1020050015782A patent/KR101102670B1/ko active IP Right Grant
-
2009
- 2009-02-09 US US12/368,056 patent/US7649493B2/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
US20050206567A1 (en) | 2005-09-22 |
KR20060042230A (ko) | 2006-05-12 |
CN1661391B (zh) | 2012-10-24 |
CN1661391A (zh) | 2005-08-31 |
US20090189806A1 (en) | 2009-07-30 |
US7649493B2 (en) | 2010-01-19 |
KR101102670B1 (ko) | 2012-01-05 |
JP2005244625A (ja) | 2005-09-08 |
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