NO308431B1 - FremgangsmÕte og anordning for overvÕkning av en antennes tilstand - Google Patents

FremgangsmÕte og anordning for overvÕkning av en antennes tilstand

Info

Publication number
NO308431B1
NO308431B1 NO944823A NO944823A NO308431B1 NO 308431 B1 NO308431 B1 NO 308431B1 NO 944823 A NO944823 A NO 944823A NO 944823 A NO944823 A NO 944823A NO 308431 B1 NO308431 B1 NO 308431B1
Authority
NO
Norway
Prior art keywords
pct
antenna
condition
sec
magnitude
Prior art date
Application number
NO944823A
Other languages
English (en)
Norwegian (no)
Other versions
NO944823L (no
NO944823D0 (no
Inventor
Jukka Peltola
Pekka Koponen
Original Assignee
Nokia Telecommunications Oy
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Nokia Telecommunications Oy filed Critical Nokia Telecommunications Oy
Publication of NO944823D0 publication Critical patent/NO944823D0/no
Publication of NO944823L publication Critical patent/NO944823L/no
Publication of NO308431B1 publication Critical patent/NO308431B1/no

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
    • G01R27/02—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
    • G01R27/04—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant in circuits having distributed constants, e.g. having very long conductors or involving high frequencies
    • G01R27/06—Measuring reflection coefficients; Measuring standing-wave ratio

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
  • Burglar Alarm Systems (AREA)
  • Details Of Aerials (AREA)
  • Transmitters (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
  • Measurement Of Resistance Or Impedance (AREA)
  • Radio Transmission System (AREA)
NO944823A 1993-04-14 1994-12-13 FremgangsmÕte og anordning for overvÕkning av en antennes tilstand NO308431B1 (no)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI931672A FI92766C (fi) 1993-04-14 1993-04-14 Menetelmä ja laite antennin kunnon valvomiseksi
PCT/FI1994/000138 WO1994024576A1 (en) 1993-04-14 1994-04-13 Method and device for supervising the condition of an antenna

Publications (3)

Publication Number Publication Date
NO944823D0 NO944823D0 (no) 1994-12-13
NO944823L NO944823L (no) 1995-02-13
NO308431B1 true NO308431B1 (no) 2000-09-11

Family

ID=8537740

Family Applications (1)

Application Number Title Priority Date Filing Date
NO944823A NO308431B1 (no) 1993-04-14 1994-12-13 FremgangsmÕte og anordning for overvÕkning av en antennes tilstand

Country Status (10)

Country Link
US (1) US5590415A (fi)
EP (1) EP0646248B1 (fi)
JP (1) JP2992345B2 (fi)
CN (1) CN1057841C (fi)
AT (1) ATE177844T1 (fi)
AU (1) AU677310B2 (fi)
DE (1) DE69417134T2 (fi)
FI (1) FI92766C (fi)
NO (1) NO308431B1 (fi)
WO (1) WO1994024576A1 (fi)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE506487C2 (sv) * 1994-02-23 1997-12-22 Allgon Ab System med provsändare och sensorer för övervakning av en mottagarantenn
US5678208A (en) * 1995-07-19 1997-10-14 Motorola, Inc. Transmission system
US5781865A (en) * 1996-05-20 1998-07-14 Scientific Research Corporation PCS cell site system for allowing a plurality of PCS providers to share cell site antennas
FI963389A (fi) * 1996-08-30 1998-03-01 Nokia Mobile Phones Ltd Käsipuhelimen opastusjärjestelmä
FI108892B (fi) * 1996-11-21 2002-04-15 Adc Telecommunications Inc Järjestely antennin kunnon mittaamiseksi radiopuhelinjärjestelmässä
DE19705735A1 (de) * 1997-02-14 1998-08-20 Nokia Mobile Phones Ltd Verfahren und Vorrichtung zur Inspektion wenigstens eines Antennenzweigs, insbesondere in einem Fahrzeug
DE19836375C1 (de) * 1998-08-11 2000-05-04 Siemens Ag Verfahren zum Beeinflussen des Pegels eines hochfrequenten Sendesignals in einer Basisstation eines Funkfestnetzes
DE60038816D1 (de) * 2000-01-07 2008-06-19 Ericsson Telefon Ab L M Hf- antennendetektorschaltung
US6329953B1 (en) 2000-09-29 2001-12-11 Rangestar Wireless Method and system for rating antenna performance
ATE321272T1 (de) 2000-11-21 2006-04-15 Datenkompensierende leistungsmessung
US7043270B2 (en) * 2001-08-13 2006-05-09 Andrew Corporation Shared tower system for accomodating multiple service providers
US6850119B2 (en) 2001-08-31 2005-02-01 Rf Micro Devices, Inc. Power amplifier overload protection
AT500914B8 (de) * 2001-10-24 2007-02-15 Siemens Ag Oesterreich Automatische funktionskontrolle einer antenneneinheit einer fahrzeugseitigen bemautungseinheit eines elektronischen mautsystems
US20040127261A1 (en) * 2002-12-30 2004-07-01 Evolium S.A.S. Method and monitoring means for monitoring the performance of an antenna device
JP2006258763A (ja) * 2005-03-18 2006-09-28 Toshiba Corp 反射測定回路及びこの反射測定回路を使用した送信保護装置
EP1878132B1 (en) * 2005-04-29 2012-03-28 Koninklijke Philips Electronics N.V. Method and circuit arrangement for operating multi-channel transmit/receive antenna devices
CN101998452B (zh) 2009-08-25 2014-07-16 英派尔科技开发有限公司 计算天线性能
EP2712021B1 (de) * 2012-09-21 2018-04-04 Siemens Aktiengesellschaft Antenne für ein Schreib-/Lesegerät für RFID-Anordnungen und Schreib-/Lesegerät für den Betrieb mit einer externen Antenne
CN105733905A (zh) * 2014-12-09 2016-07-06 商南县时代生物科技有限公司 一种无渣蒸馏生产酒精的方法
CN108289000B (zh) * 2017-01-10 2022-08-19 中兴通讯股份有限公司 一种天线射频通道告警方法及装置

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3842358A (en) * 1973-06-18 1974-10-15 Collins Radio Co Voltage standing wave ratio detecting and adjusting apparatus
US3870957A (en) * 1973-10-15 1975-03-11 Itt VSWR alarm system
JPS60165137A (ja) * 1984-02-07 1985-08-28 Mitsubishi Electric Corp 送信表示装置
GB2195454A (en) * 1986-09-15 1988-04-07 Flann Microwave Instr Ltd Microwave network analyser
FI88967C (fi) * 1990-08-17 1993-07-26 Telenokia Oy Foerfarande och anordning foer oevervakning av mottagarantennens stillstaond
FI99167C (fi) * 1991-07-01 1997-10-10 Nokia Telecommunications Oy Menetelmä ja laite dynamiikka-alueen laajentamiseksi suuntakytkimen avulla tapahtuvissa mittauksissa

Also Published As

Publication number Publication date
FI931672A0 (fi) 1993-04-14
FI92766C (fi) 1994-12-27
CN1057841C (zh) 2000-10-25
AU677310B2 (en) 1997-04-17
EP0646248B1 (en) 1999-03-17
DE69417134T2 (de) 1999-09-02
AU6430894A (en) 1994-11-08
EP0646248A1 (en) 1995-04-05
JP2992345B2 (ja) 1999-12-20
WO1994024576A1 (en) 1994-10-27
DE69417134D1 (de) 1999-04-22
US5590415A (en) 1996-12-31
JPH07508101A (ja) 1995-09-07
FI92766B (fi) 1994-09-15
NO944823L (no) 1995-02-13
CN1104839A (zh) 1995-07-05
NO944823D0 (no) 1994-12-13
ATE177844T1 (de) 1999-04-15

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Legal Events

Date Code Title Description
MM1K Lapsed by not paying the annual fees

Free format text: LAPSED IN OCTOBER 2003