JP4392028B2 - 試験装置の高精度同期化 - Google Patents

試験装置の高精度同期化 Download PDF

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Publication number
JP4392028B2
JP4392028B2 JP2006542878A JP2006542878A JP4392028B2 JP 4392028 B2 JP4392028 B2 JP 4392028B2 JP 2006542878 A JP2006542878 A JP 2006542878A JP 2006542878 A JP2006542878 A JP 2006542878A JP 4392028 B2 JP4392028 B2 JP 4392028B2
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JP
Japan
Prior art keywords
signal
delay
reference signal
cdma
gps
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Expired - Fee Related
Application number
JP2006542878A
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English (en)
Japanese (ja)
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JP2007513589A (ja
Inventor
リック、ロランド
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Qualcomm Inc
Original Assignee
Qualcomm Inc
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Publication date
Application filed by Qualcomm Inc filed Critical Qualcomm Inc
Publication of JP2007513589A publication Critical patent/JP2007513589A/ja
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Publication of JP4392028B2 publication Critical patent/JP4392028B2/ja
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/20—Monitoring; Testing of receivers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • 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
    • H04B7/204—Multiple access
    • H04B7/216—Code division or spread-spectrum multiple access [CDMA, SSMA]

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Position Fixing By Use Of Radio Waves (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
JP2006542878A 2003-12-08 2004-12-07 試験装置の高精度同期化 Expired - Fee Related JP4392028B2 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US52798903P 2003-12-08 2003-12-08
PCT/US2004/040896 WO2005057811A1 (en) 2003-12-08 2004-12-07 High accuracy synchronization of test equipment

Publications (2)

Publication Number Publication Date
JP2007513589A JP2007513589A (ja) 2007-05-24
JP4392028B2 true JP4392028B2 (ja) 2009-12-24

Family

ID=34676806

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2006542878A Expired - Fee Related JP4392028B2 (ja) 2003-12-08 2004-12-07 試験装置の高精度同期化

Country Status (5)

Country Link
EP (1) EP1692786A1 (ko)
JP (1) JP4392028B2 (ko)
KR (1) KR100839401B1 (ko)
CN (1) CN1890900B (ko)
WO (1) WO2005057811A1 (ko)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006177889A (ja) * 2004-12-24 2006-07-06 Japan Radio Co Ltd 発振器監視装置
CN1866801B (zh) * 2006-03-29 2010-04-21 华为技术有限公司 测量无线基站通道延迟的装置和方法
US8184608B2 (en) 2007-03-27 2012-05-22 Tektronix, Inc. System and method for using CDMA PN offset to maintain instrument timing reference

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6483856B1 (en) * 1998-07-29 2002-11-19 Trimble Navigation Limited GPS synchronized data communications link
KR100272431B1 (ko) * 1998-09-03 2000-11-15 김영환 Cdma 이동통신시스템의 통화권역 확장장치 및 그 방법
US6249253B1 (en) * 1999-04-13 2001-06-19 Nortel Networks Limited Mobile radiotelephone determination using time of arrival of GPS and pilot signals
US6241330B1 (en) * 1999-11-15 2001-06-05 Maytag Corporation Kitchen workstation incorporating dual direction sliding tray
US6665541B1 (en) * 2000-05-04 2003-12-16 Snaptrack, Incorporated Methods and apparatuses for using mobile GPS receivers to synchronize basestations in cellular networks
US6917609B2 (en) * 2000-08-21 2005-07-12 Pctel Maryland, Inc. Method and apparatus for CDMA pn scanning at indoor and other obstructed locations
US7006834B2 (en) * 2001-10-29 2006-02-28 Qualcomm Incorporated Base station time calibration using position measurement data sent by mobile stations during regular position location sessions
US6788663B2 (en) * 2002-05-03 2004-09-07 Qualcomm Inc System, method, and apparatus for generating a timing signal

Also Published As

Publication number Publication date
CN1890900B (zh) 2010-06-16
JP2007513589A (ja) 2007-05-24
KR20060097063A (ko) 2006-09-13
EP1692786A1 (en) 2006-08-23
KR100839401B1 (ko) 2008-06-19
CN1890900A (zh) 2007-01-03
WO2005057811A1 (en) 2005-06-23

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