SE0002980D0 - A method and an apparatus for measuring the performance of antennas - Google Patents

A method and an apparatus for measuring the performance of antennas

Info

Publication number
SE0002980D0
SE0002980D0 SE0002980A SE0002980A SE0002980D0 SE 0002980 D0 SE0002980 D0 SE 0002980D0 SE 0002980 A SE0002980 A SE 0002980A SE 0002980 A SE0002980 A SE 0002980A SE 0002980 D0 SE0002980 D0 SE 0002980D0
Authority
SE
Sweden
Prior art keywords
antenna
terminal
power
under test
radiation efficiency
Prior art date
Application number
SE0002980A
Other languages
English (en)
Swedish (sv)
Inventor
Per-Simon Kildal
Original Assignee
Kildal Antenn Consulting Ab
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
Priority claimed from SE0001158A external-priority patent/SE0001158D0/xx
Application filed by Kildal Antenn Consulting Ab filed Critical Kildal Antenn Consulting Ab
Priority to SE0002980A priority Critical patent/SE0002980D0/xx
Publication of SE0002980D0 publication Critical patent/SE0002980D0/xx
Priority to JP2001572885A priority patent/JP4528480B2/ja
Priority to AT01910282T priority patent/ATE511097T1/de
Priority to US10/239,582 priority patent/US7444264B2/en
Priority to AU2001237856A priority patent/AU2001237856A1/en
Priority to EP01910282A priority patent/EP1269203B1/fr
Priority to PCT/SE2001/000422 priority patent/WO2001075460A1/fr
Priority to US11/172,826 priority patent/US7286961B2/en

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R29/00Arrangements for measuring or indicating electric quantities not covered by groups G01R19/00 - G01R27/00
    • G01R29/08Measuring electromagnetic field characteristics
    • G01R29/10Radiation diagrams of antennas
    • G01R29/105Radiation diagrams of antennas using anechoic chambers; Chambers or open field sites used therefor
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R29/00Arrangements for measuring or indicating electric quantities not covered by groups G01R19/00 - G01R27/00
    • G01R29/08Measuring electromagnetic field characteristics
    • G01R29/0807Measuring electromagnetic field characteristics characterised by the application
    • G01R29/0814Field measurements related to measuring influence on or from apparatus, components or humans, e.g. in ESD, EMI, EMC, EMP testing, measuring radiation leakage; detecting presence of micro- or radiowave emitters; dosimetry; testing shielding; measurements related to lightning
    • G01R29/0821Field measurements related to measuring influence on or from apparatus, components or humans, e.g. in ESD, EMI, EMC, EMP testing, measuring radiation leakage; detecting presence of micro- or radiowave emitters; dosimetry; testing shielding; measurements related to lightning rooms and test sites therefor, e.g. anechoic chambers, open field sites or TEM cells

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Testing Electric Properties And Detecting Electric Faults (AREA)
SE0002980A 2000-03-31 2000-08-23 A method and an apparatus for measuring the performance of antennas SE0002980D0 (sv)

Priority Applications (8)

Application Number Priority Date Filing Date Title
SE0002980A SE0002980D0 (sv) 2000-03-31 2000-08-23 A method and an apparatus for measuring the performance of antennas
JP2001572885A JP4528480B2 (ja) 2000-03-31 2001-02-26 アンテナ、携帯電話、及び他の無線端末の性能を測定する方法及び装置
AT01910282T ATE511097T1 (de) 2000-03-31 2001-02-26 Verfahren zur messung der leistung von antennen, mobiltelefonen und anderen drahtlosen endgeräten
US10/239,582 US7444264B2 (en) 2000-03-31 2001-02-26 Method and an apparatus for measuring the performance of antennas, mobile phones and other wireless terminals
AU2001237856A AU2001237856A1 (en) 2000-03-31 2001-02-26 A method and an apparatus for measuring the performance of antennas, mobile phones and other wireless terminals
EP01910282A EP1269203B1 (fr) 2000-03-31 2001-02-26 Procede pour mesurer la qualite de fonctionnement d'antennes, de telephones mobiles et d'autres terminaux sans fil
PCT/SE2001/000422 WO2001075460A1 (fr) 2000-03-31 2001-02-26 Procede et dispositif pour mesurer la qualite de fonctionnement d'antennes, de telephones mobiles et d'autres terminaux sans fil
US11/172,826 US7286961B2 (en) 2000-03-31 2005-07-05 Method and an apparatus for measuring the performance of antennas, mobile phones and other wireless terminals

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE0001158A SE0001158D0 (sv) 2000-03-31 2000-03-31 A method and an apparatus for measuring the performande of antennas
SE0002980A SE0002980D0 (sv) 2000-03-31 2000-08-23 A method and an apparatus for measuring the performance of antennas

Publications (1)

Publication Number Publication Date
SE0002980D0 true SE0002980D0 (sv) 2000-08-23

Family

ID=26655054

Family Applications (1)

Application Number Title Priority Date Filing Date
SE0002980A SE0002980D0 (sv) 2000-03-31 2000-08-23 A method and an apparatus for measuring the performance of antennas

Country Status (7)

Country Link
US (2) US7444264B2 (fr)
EP (1) EP1269203B1 (fr)
JP (1) JP4528480B2 (fr)
AT (1) ATE511097T1 (fr)
AU (1) AU2001237856A1 (fr)
SE (1) SE0002980D0 (fr)
WO (1) WO2001075460A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109239470A (zh) * 2018-09-04 2019-01-18 广州市诚臻电子科技有限公司 一种抽插式更换测试系统的屏蔽室
CN112346107A (zh) * 2020-11-20 2021-02-09 重庆建安仪器有限责任公司 用于通信组网的辐射标识器

Families Citing this family (92)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7952511B1 (en) 1999-04-07 2011-05-31 Geer James L Method and apparatus for the detection of objects using electromagnetic wave attenuation patterns
SE0002980D0 (sv) * 2000-03-31 2000-08-23 Kildal Antenn Consulting Ab A method and an apparatus for measuring the performance of antennas
WO2003062840A1 (fr) 2002-01-18 2003-07-31 Her Majesty In Right Of Canada As Represented By The Minister Of Industry Reseau d'antennes pour la mesure de champs electromagnetiques complexes
EP1494036A1 (fr) * 2003-06-30 2005-01-05 Telefonaktiebolaget LM Ericsson (publ) Procédé de test d'efficacité de rayonnement d'antenne
WO2005003795A1 (fr) * 2003-06-30 2005-01-13 Telefonaktiebolaget L M Ericsson Essai d'efficacite de rayonnement d'une antenne
FR2859064B1 (fr) * 2003-08-18 2005-12-30 Satimo Sa Dispositif de controle du debit d'absorption specifique d'objets rayonnants fabriques en serie et notamment de telephones portables
US7359701B2 (en) * 2003-09-16 2008-04-15 Research In Motion Limited Method for conducting radiated performance tests of a wireless device
US20050059355A1 (en) * 2003-09-17 2005-03-17 Accton Technology Corporation System and method for multi-path simulation
US6885348B1 (en) * 2003-11-12 2005-04-26 Us Navy Test chamber for a low band antenna array
US7477877B2 (en) * 2004-02-11 2009-01-13 Sony Ericsson Mobile Communications Ab GSM radiated sensitivity measurement technique
US7109931B2 (en) * 2004-06-18 2006-09-19 Centurion Wireless Technologies, Inc. Method and apparatus to control an antenna efficiency test device
JP2006078237A (ja) * 2004-09-08 2006-03-23 Matsushita Electric Ind Co Ltd 無線装置の電力測定方法
US7107020B2 (en) * 2004-09-24 2006-09-12 Arima Communications Corp. Mobile phone positioning apparatus for radiation testing
US7190301B2 (en) * 2004-12-22 2007-03-13 Motorola, Inc. Radio frequency anechoic chamber with nonperturbing wireless signalling means
JP4530872B2 (ja) * 2005-02-17 2010-08-25 パイオニア株式会社 スピーカー装置用のフレーム及びスピーカー装置
SE528829C2 (sv) * 2005-06-17 2007-02-27 Amc Centurion Ab Antenneffektivitetmätningsmetod och system därför
US7505766B2 (en) * 2006-03-01 2009-03-17 Research In Motion Limited System for determining conducted radio frequency (RF) receiver sensitivity and related methods
US7555295B2 (en) * 2006-03-01 2009-06-30 Research In Motion Limited System for determining radiated radio frequency (RF) receiver sensitivity and related methods
US7555294B2 (en) * 2006-03-01 2009-06-30 Research In Motion Limited System for determining total isotropic sensitivity (TIS) and related methods
ATE416523T1 (de) 2006-03-01 2008-12-15 Research In Motion Ltd System und verfahren zur bestimmung der gesamtisotropen empfindlichkeit
US7555293B2 (en) * 2006-03-01 2009-06-30 Research In Motion Limited System for determining RF path loss between an RF source and an RF receiver and related methods
US7489905B2 (en) * 2006-03-01 2009-02-10 Research In Motion Limited System for determining RF path loss between an RF source and an RF receiver with hysteresis and related methods
CN101039534B (zh) * 2006-03-15 2012-06-20 鸿富锦精密工业(深圳)有限公司 声音检测设备和自动传送装置
FR2906040B1 (fr) * 2006-09-14 2009-03-20 Eads Ccr Groupement D Interet Chambre reverberante
TWI390217B (zh) * 2006-09-28 2013-03-21 Murata Manufacturing Co 天線特性測定裝置及天線特性測定方法
US7970394B2 (en) * 2006-12-13 2011-06-28 Tropos Networks, Inc. Determining coverage of a wireless network
FI121980B (fi) * 2007-02-16 2011-06-30 Voyantic Oy Menetelmä radiolinkin karakterisoimiseksi
US8774726B2 (en) * 2007-04-11 2014-07-08 Telefonaktiebolaget Lm Ericsson (Publ) Arrangement and method for simulating a radio access network
US8315296B2 (en) * 2007-05-21 2012-11-20 Research In Motion Limited Method for testing a radio frequency (RF) receiver and related methods
US7592959B1 (en) * 2007-05-30 2009-09-22 Sprint Communciations Company L.P. Radio frequency interference suppression enclosure
US7994990B2 (en) * 2007-06-19 2011-08-09 Smartsynch, Inc. Simulator for internal antennas in telemetry devices
DE102007039786A1 (de) * 2007-08-23 2009-02-26 Deutsche Telekom Ag Verfahren und Vorrichtung zur Messung des Antennendiversity-Gewinns in digitalen Funkübertragungssystemen
WO2009039481A1 (fr) * 2007-09-20 2009-03-26 University Of South Florida Chambre reconfigurable pour émuler un affaiblissement multivoie
EP2081032A1 (fr) * 2008-01-21 2009-07-22 Queen Mary University of London Appareil et procédé pour détecter une radiation électromagnétique émise par un dispositif
US8203850B2 (en) 2008-02-05 2012-06-19 Vector Technologies, Llc Anti-eavesdropping device
JP5085728B2 (ja) * 2008-05-09 2012-11-28 アンリツ株式会社 放射電力を測定する方法、放射電力の測定用結合器及び放射電力を測定する装置
CN105071873A (zh) * 2008-05-15 2015-11-18 中兴通讯股份有限公司 基于数据模式的无线终端接收灵敏度性能测试系统及方法
CN101582725A (zh) * 2008-05-15 2009-11-18 中兴通讯股份有限公司 基于数据模式的无线终端辐射性能测试系统及方法
US8170489B2 (en) * 2008-06-04 2012-05-01 Research In Motion Limited System and methods for determining radiated radio frequency (RF) receiver sensitivity
US8190097B2 (en) * 2008-07-15 2012-05-29 Sony Ericsson Mobile Communications Ab Systems, methods, and computer program products for determining performance of portable electronic devices
ES2342958B2 (es) * 2008-09-03 2011-07-04 Emite Ingenieria Slne Analizador de multiples entradas y multiples salidas.
EP2256507A1 (fr) * 2009-05-27 2010-12-01 Thales Nederland B.V. Chambre de réverbération double déformable
JP5320643B2 (ja) * 2009-08-28 2013-10-23 T&A株式会社 フィールドシミュレータおよびその制御プログラム
JP5016647B2 (ja) * 2009-09-09 2012-09-05 株式会社エヌ・ティ・ティ・ドコモ 無線品質評価方法
JP5470577B2 (ja) * 2009-10-26 2014-04-16 独立行政法人情報通信研究機構 携帯端末送信電力測定装置
CN102136873B (zh) * 2010-01-25 2015-06-03 中兴通讯股份有限公司 天线测试系统及天线测试方法
CN102148648B (zh) * 2010-02-05 2015-04-01 中兴通讯股份有限公司 多天线系统中的空间射频性能测试方法及系统
US8699235B2 (en) * 2010-02-17 2014-04-15 Cdd Ventures Llc Mobile phone/PDA security masking box
US8660812B2 (en) 2010-06-04 2014-02-25 Apple Inc. Methods for calibrating over-the-air path loss in over-the-air radio-frequency test systems
FR2965931B1 (fr) * 2010-10-08 2013-05-03 Satimo Ind Procede et dispositif de test electronique d'un objet
US20120123723A1 (en) * 2010-11-15 2012-05-17 Wassim El-Hassan Methods for mitigating interactions among wireless devices in a wireless test system
US8903326B2 (en) * 2010-11-15 2014-12-02 Apple Inc. Simultaneous downlink testing for multiple devices in radio-frequency test systems
US9213053B2 (en) * 2010-12-02 2015-12-15 Apple Inc. System for field testing wireless devices with reduced multipath interference
US8712340B2 (en) 2011-02-18 2014-04-29 Blackberry Limited Method and apparatus for radio antenna frequency tuning
NL2006275C2 (en) * 2011-02-22 2012-08-24 Comtest Engineering B V Reverberation chamber and method for reverberating electromagnetic radiation in a reverberation chamber.
US9258067B2 (en) 2011-06-15 2016-02-09 Bluetest Ab Method and apparatus for measuring the performance of antennas, mobile phones and other wireless terminals
CN102854408A (zh) * 2011-06-30 2013-01-02 鸿富锦精密工业(深圳)有限公司 静电发生器测试装置
US9615274B2 (en) * 2011-08-23 2017-04-04 Azimuth Systems, Inc. Plane wave generation within a small volume of space for evaluation of wireless devices
US9319908B2 (en) * 2011-10-12 2016-04-19 Apple Inc. Methods for reducing path loss while testing wireless electronic devices with multiple antennas
US20130187814A1 (en) * 2012-01-04 2013-07-25 DireenTech, Inc. Scanning Measurements On Generalized Grids
CN103685658B (zh) * 2012-09-19 2016-05-04 英华达(南京)科技有限公司 手持装置的信号测试系统及其信号测试方法
US8971821B2 (en) * 2012-11-20 2015-03-03 Apple Inc. Robotic wireless test system
US9759693B2 (en) * 2012-12-20 2017-09-12 International Business Machines Corporation Method of simulating the absorption of plane waves using FEM software tools
US10404295B2 (en) 2012-12-21 2019-09-03 Blackberry Limited Method and apparatus for adjusting the timing of radio antenna tuning
US9482708B2 (en) 2013-01-29 2016-11-01 ETS-Lindgren Inc. Enhanced reverberation chamber
FR3004261B1 (fr) * 2013-04-03 2015-12-11 Centre Nat Rech Scient Chambre reverberante a uniformite de champ electromagnetique amelioree
CN104422826A (zh) * 2013-08-19 2015-03-18 鸿富锦精密电子(天津)有限公司 电波暗室及其电波测试装置
WO2015113649A1 (fr) 2014-01-30 2015-08-06 Kildal Antenn Ab Procédés et appareils pour tester une communication sans fil avec des véhicules
DE102014001904B3 (de) * 2014-02-14 2015-04-09 Bundesrepublik Deutschland, vertreten durch das Bundesministerium der Verteidigung, vertreten durch das Bundesamt für Ausrüstung, Informationstechnik und Nutzung der Bundeswehr Modenverwirbelungskammer und entsprechendes Verfahren
RU2568041C1 (ru) * 2014-07-25 2015-11-10 Юрий Пантелеевич Лепеха Устройство для исследования побочных электромагнитных излучений от технических средств
KR101700875B1 (ko) * 2014-12-05 2017-02-02 한국표준과학연구원 전자파 전력 감지 장치 및 그것을 포함한 시스템
US9438319B2 (en) * 2014-12-16 2016-09-06 Blackberry Limited Method and apparatus for antenna selection
WO2016138073A1 (fr) * 2015-02-24 2016-09-01 Zte(Usa) Inc. Procédés et équipement utilisateur permettant de mesurer la puissance émise d'un dispositif sans fil à proximité d'un fantôme
US20180041288A1 (en) * 2015-03-02 2018-02-08 Zte (Usa) Inc. Methods using a hand phantom for evaluating tablets in a wireless communication system
US10012683B2 (en) * 2015-04-10 2018-07-03 General Test Systems Inc. System for testing wireless terminal and method for controlling same
USD771509S1 (en) * 2015-10-27 2016-11-15 Landis+Gyr Innovations, Inc. Enclosure for RF testing within an environmental chamber
ES2843513T3 (es) 2015-12-16 2021-07-19 Ranlos Ab Método y aparato para probar comunicación inalámbrica con vehículos
FI127693B (en) * 2016-02-18 2018-12-14 Verkotan Oy TEST METHOD AND SYSTEM FOR GPS LOCATION MEASUREMENTS
US9928733B2 (en) * 2016-03-29 2018-03-27 Nissan North America, Inc. Vehicle key testing device
KR101701706B1 (ko) * 2016-07-15 2017-02-03 한국센서연구소 주식회사 차폐 특성을 갖는 저주파 노이즈 측정 장치
KR101935259B1 (ko) * 2017-02-10 2019-01-07 한국전자통신연구원 전자파 잔향실
SE540655C2 (en) * 2017-03-06 2018-10-09 Bluetest Ab Arrangement and method for measuring the performance of devices with wireless capability
US20180321292A1 (en) * 2017-05-05 2018-11-08 Rohde & Schwarz Gmbh & Co. Kg Portable anechoic chamber
CA2974054C (fr) 2017-07-21 2018-10-02 Mpb Technologies Inc. Sources melangees et methode de test de radiofrequence
SE541521C2 (en) * 2018-01-17 2019-10-29 Bluetest Ab Apparatus and method for production testing of devices with wireless capability
JP6824204B2 (ja) * 2018-02-05 2021-02-03 アンリツ株式会社 無線端末測定装置
US11226360B2 (en) * 2018-05-24 2022-01-18 Rohde & Schwarz Gmbh & Co. Kg Over-the-air test system and method with visual status indication
US10404384B1 (en) * 2018-08-03 2019-09-03 Rohde & Schwarz Gmbh & Co. Kg System and method for testing a device under test within an anechoic chamber based on a minimum test criteria
JP7016303B2 (ja) * 2018-08-08 2022-02-04 株式会社Nttドコモ 放射電力推定方法
CN110967569B (zh) * 2018-09-30 2021-12-21 上海汽车集团股份有限公司 一种测试系统和车辆测试方法
SE544144C2 (en) * 2020-03-03 2022-01-11 Bluetest Ab A hybrid antenna measurement chamber
CN111337758B (zh) * 2020-03-11 2021-06-22 南京航空航天大学 一种基于混响室的天线辐射效率测量方法

Family Cites Families (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3225295A (en) * 1961-09-01 1965-12-21 Lab For Electronics Inc Unitary microwave tester for transmitreceive systems including power measuring and reflective means
US4379991A (en) * 1980-03-28 1983-04-12 Rockwell International Corporation Apparatus for accurately measuring the volume of a meter prover
US4800387A (en) * 1984-02-07 1989-01-24 Logimetrics, Inc. Boresight chamber assembly apparatus
US4906668A (en) * 1984-08-23 1990-03-06 Georgia Tech Research Corporation Aminoalkyl phenyl selenides for the treatment of hypertension and nervous system dysfunctions
JPH0217515Y2 (fr) * 1987-06-03 1990-05-16
JP2602872B2 (ja) * 1988-01-20 1997-04-23 株式会社東芝 放射電磁界特性測定装置
JPH0732320B2 (ja) * 1988-04-28 1995-04-10 茂一 渋谷 反射板のある電波暗室
US4860602A (en) 1988-05-18 1989-08-29 Harris Corporation RF transparent thermal test chamber
US4901080A (en) * 1988-07-06 1990-02-13 Northrop Corporation Radar test device with planar reflecting shield
JP2574409B2 (ja) * 1988-07-08 1997-01-22 松下電器産業株式会社 Emc試験用電磁波無響室およびそのシールド材
US5001494A (en) * 1989-06-19 1991-03-19 Raytheon Company Compact antenna range
US5530412A (en) * 1993-09-03 1996-06-25 Emc Science Center, Inc. Enhanced mode stirred test chamber
US5450615A (en) * 1993-12-22 1995-09-12 At&T Corp. Prediction of indoor electromagnetic wave propagation for wireless indoor systems
SE502481C2 (sv) * 1994-03-08 1995-10-30 Lars Ekemar Förfarande och apparat för alstring av värme i företrädesvis organiska massor och material
DE19546982C1 (de) * 1995-12-15 1997-08-21 Siemens Ag Verfahren und Anordnung zum Erfassen der Übertragungseigenschaften von mobilen drahtlosen Telekommunikationsgeräten
DE19626931A1 (de) * 1996-07-04 1998-01-08 Thomas Dipl Ing Friedrichs Überprüfung von elektrischen und/oder elektronischen Geräten auf elektromagnetische Verträglichkeit
US6088582A (en) * 1997-07-16 2000-07-11 International Business Machines Corp. Controlled environment radio test apparatus and method
US6021315A (en) * 1997-11-19 2000-02-01 Cellular Technical Services Co., Inc. System and method for testing of wireless communication devices
KR100284134B1 (ko) * 1997-12-26 2001-03-02 정선종 지.티.이.엠셀출력단을이용한복사전계측정방법
DE19812923A1 (de) * 1998-03-24 1999-09-30 Siemens Ag Verfahren zur Bestimmung eines Sende- und Empfangsverhaltens
US6255830B1 (en) * 1998-05-04 2001-07-03 Nortel Networks Limited Method of testing shielding effectiveness and electromagnetic field generator for use in testing shielding effectiveness
US6311075B1 (en) * 1998-11-24 2001-10-30 Northern Telecom Limited Antenna and antenna operation method for a cellular radio communications system
SE524833C2 (sv) * 1999-10-28 2004-10-12 Integra Antennas Ltd Mätanordning och metod för mätning av transmissions- och mottagningsegenskaper hos en kommunikationsutrustning
SE0002980D0 (sv) * 2000-03-31 2000-08-23 Kildal Antenn Consulting Ab A method and an apparatus for measuring the performance of antennas
US6525657B1 (en) * 2000-04-25 2003-02-25 Aprel, Inc. Apparatus and method for production testing of the RF performance of wireless communications devices

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109239470A (zh) * 2018-09-04 2019-01-18 广州市诚臻电子科技有限公司 一种抽插式更换测试系统的屏蔽室
CN109239470B (zh) * 2018-09-04 2023-06-23 广州市诚臻电子科技有限公司 一种抽插式更换测试系统的屏蔽室
CN112346107A (zh) * 2020-11-20 2021-02-09 重庆建安仪器有限责任公司 用于通信组网的辐射标识器
CN112346107B (zh) * 2020-11-20 2024-01-19 重庆建安仪器有限责任公司 用于通信组网的辐射标识器

Also Published As

Publication number Publication date
JP4528480B2 (ja) 2010-08-18
US20060017630A1 (en) 2006-01-26
ATE511097T1 (de) 2011-06-15
EP1269203B1 (fr) 2011-05-25
EP1269203A1 (fr) 2003-01-02
US7286961B2 (en) 2007-10-23
US20040183547A1 (en) 2004-09-23
AU2001237856A1 (en) 2001-10-15
US7444264B2 (en) 2008-10-28
WO2001075460A1 (fr) 2001-10-11
JP2003529983A (ja) 2003-10-07

Similar Documents

Publication Publication Date Title
SE0002980D0 (sv) A method and an apparatus for measuring the performance of antennas
Orlenius et al. Measurements of total isotropic sensitivity and average fading sensitivity of CDMA phones in reverberation chamber
FI19992473A (fi) Menetelmä mittaustiedon välittämiseksi langattomassa tiedonsiirtojärjestelmässä sekä langaton tiedonsiirtojärjestelmä
Pedersen et al. Integrated antennas for hand-held telephones with low absorption
SE9903925L (sv) Fältprovningskammare
SE9800201D0 (sv) Sätt och anordning vid telekommunikation
SE9702952L (sv) Förfarande för handover i ett mobilradiosystem, system för mobilradio, samt mobilterminal och radiobasstation ingående i ett sådant system
CN103298020A (zh) 一种移动终端的wifi ota测试方法及其测试系统
NO992136D0 (no) Radiotelefon med h°y antenneeffektivitet
Serafimov et al. Comparison between radiation efficiencies of phone antennas and radiated power of mobile phones measured in anechoic chambers and reverberation chamber
Shittu et al. Prediction of received signal power and propagation path loss in open/rural environments using modified free-space loss and Hata models
Karstensen et al. Gver-the-air evaluation and ranking of mobile phone performance
Prasad et al. Comparison of four different methods to estimate the radiated power from mobile phones
Prasad et al. Evaluation of the Telia scattered field measurement method for estimation of in-network performance of mobile terminal antennas
EP1533920A3 (fr) Système et procédé pour estimer des paramètres de pondération pour des éléments d'antenne
Halim et al. Evaluation of a near field scanner for TRP and radiation pattern measurements of GSM mobile phones
Bourhis et al. Measurements of realized diversity gain of active DECT phones and base-stations in a reverberation chamber
KR960012750A (ko) 셀룰라폰 안테나의 임피던스 조절장치
CN101777957B (zh) 一种用手机测量接头处信号功率的方法
Atenaga et al. Assessment of Radiated Electromagnetic Waves from Base Station Antennas using Calculation and Field Measurement Techniques
Carlsson Benchmarking of facilities for small terminal antenna measurements
Wang et al. Test and research on the electromagnetic environment of electromagnetic radiation from base station
Shimizu et al. Comparisons of SAR Values Measured between Fast and Full Measurement Procedures for Cellular Phones
JPH09264916A (ja) エアー測定・同軸ケーブル測定共用シールド・ボックス
KR100506264B1 (ko) 무선 교환시스템에서 기지국의 수신전계강도를 측정하는방법