JP5886947B2 - アンテナ、携帯電話及び他の無線端末の性能を測定するための改良された方法と装置 - Google Patents
アンテナ、携帯電話及び他の無線端末の性能を測定するための改良された方法と装置 Download PDFInfo
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R29/00—Arrangements for measuring or indicating electric quantities not covered by groups G01R19/00 - G01R27/00
- G01R29/08—Measuring electromagnetic field characteristics
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/10—Monitoring; Testing of transmitters
- H04B17/15—Performance testing
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R29/00—Arrangements for measuring or indicating electric quantities not covered by groups G01R19/00 - G01R27/00
- G01R29/08—Measuring electromagnetic field characteristics
- G01R29/0807—Measuring electromagnetic field characteristics characterised by the application
- G01R29/0814—Field 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
- G01R29/0821—Field 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
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R29/00—Arrangements for measuring or indicating electric quantities not covered by groups G01R19/00 - G01R27/00
- G01R29/08—Measuring electromagnetic field characteristics
- G01R29/10—Radiation diagrams of antennas
- G01R29/105—Radiation diagrams of antennas using anechoic chambers; Chambers or open field sites used therefor
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- Engineering & Computer Science (AREA)
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- Testing Electric Properties And Detecting Electric Faults (AREA)
- Monitoring And Testing Of Transmission In General (AREA)
- Mobile Radio Communication Systems (AREA)
Description
Claims (17)
- 内部空洞をその中に画定し、被測定装置を取り囲むようにされ、内方向反射性材料の壁を有し、前記壁を電磁波に対し反射性にすることによりマルチパス環境を模擬する室と、
前記空洞内の少なくとも1つの可動物体と、
前記空洞内に配置された少なくとも1つの室内アンテナと、
前記被測定装置と前記室内アンテナに接続されそれらの間の送信状態を測定するための測定器と、
前記被測定装置と前記室内アンテナ間に配置された遮蔽部であって前記被測定装置と前記室内アンテナ間の見通し線が前記遮蔽部により隠されるようにされた遮蔽部とを含む被測定装置の性能を測定するための装置において、
前記遮蔽部は、前記室の2つの対向側壁間の距離の30〜70%の範囲の前記対向側壁間の幅方向延在部と、前記室の床と屋根の距離の30〜70%の範囲の前記屋根と前記床間の高さ方向延在部とを有することを特徴とする装置。 - 請求項1に記載の装置において、前記遮蔽部の前記幅及び高さ方向延在部は試験に使用される前記放射の前記波長より大きいことを特徴とする装置。
- 請求項1に記載の装置において、前記遮蔽部の前記幅及び高さ方向延在部は試験に使用される前記放射の2つの波長より大きいことを特徴とする装置。
- 請求項1乃至3の何れか一項に記載の装置において、前記遮蔽部は前記幅方向に非線形延在部を有し、これにより前記遮蔽部は前記室内アンテナを部分的に囲むことを特徴とする装置。
- 請求項1乃至4の何れか一項に記載の装置において、前記遮蔽部は前記幅方向に湾曲または角のある延在部を有し、これにより前記遮蔽部は前記室内アンテナを部分的に囲むことを特徴とする装置。
- 請求項1乃至5の何れか一項に記載の装置において、前記遮蔽部は前記室内アンテナから一定の距離、即ち試験に使用される前記放射の波長の少なくとも1/2に対応する距離に配置されることを特徴とする装置。
- 請求項1乃至6の何れか一項に記載の装置において、互いに直交する面内に延在し、それぞれが他の表面から見て外方に向く3つの反射材料の表面を含むアンテナホルダーが更に設けられ、前記室内アンテナは前記少なくとも3つの表面のそれぞれの上に配置されることを特徴とする装置。
- 請求項7に記載の装置において、前記アンテナホルダーは棒上に配置され、これにより前記室の前記壁のそれぞれから離されることを特徴とする装置。
- 請求項7または8に記載の装置において、前記アンテナホルダーと前記遮蔽部の両方は空洞内で可動であることを特徴とする装置。
- 請求項7乃至9の何れか一項に記載の装置において、前記3つの表面のそれぞれは、前記室の前記屋根の方向に、部分的に上方に向けられることを特徴とする装置。
- 請求項10に記載の装置において、前記アンテナホルダーは、前記空洞の前記屋根までの距離が前記空洞の前記床までの距離より長くなるような前記空洞内の高さに配置されることを特徴とする装置。
- 請求項1乃至11の何れか一項に記載の装置において、前記室内アンテナは、前記室の各壁、床、及び屋根から試験に使用される前記放射の波長の1/2を越える距離に置かれることを特徴とする装置。
- 請求項1乃至12の何れか一項に記載の装置において、前記遮蔽部は、前記対向側壁間の距離の40〜60%の範囲の前記室の2つの対向側壁間の幅方向延在部を有することを特徴とする装置。
- 請求項1乃至13の何れか一項に記載の装置において、前記遮蔽部は、前記室の床と屋根の距離の40〜60%の範囲の前記屋根と前記床間の高さ方向延在部とを有することを特徴とする装置。
- 請求項1乃至14の何れか一項に記載の装置において、さらに、試験中に前記室の内部から前記室の外部へビデオ情報を転送することができる空洞内のビデオカメラとを含むことを特徴とする装置。
- 請求項1乃至15の何れか一項に記載の装置において、前記被測定装置は受信装置として使用され、前記室内アンテナは送信機として使用され、信号供給器に接続され、前記被測定装置の性能を測定するための装置は更に、前記信号供給器と前記室内アンテナ間に配置された信号エミュレーターを含み、前記エミュレーターは少なくとも1つの現実の条件をエミュレートするために送信される信号を処理するために配置されることを特徴とする装置。
- 請求項1乃至16の何れか一項に記載の装置において、前記測定器は、スループット、AFS(平均フェージング感度)、TIS(全等方感度)、及びTRP(放射電力の合計の)のうちの少なくとも1つを測定するように配置されることを特徴とする装置。
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PCT/EP2011/059953 WO2012171562A1 (en) | 2011-06-15 | 2011-06-15 | Improved method and apparatus for measuring the performance of antennas, mobile phones and other wireless terminals |
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JP2014522497A JP2014522497A (ja) | 2014-09-04 |
JP5886947B2 true JP5886947B2 (ja) | 2016-03-16 |
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US (1) | US9258067B2 (ja) |
EP (1) | EP2721424B1 (ja) |
JP (1) | JP5886947B2 (ja) |
KR (1) | KR101832906B1 (ja) |
CN (1) | CN103562737B (ja) |
ES (1) | ES2749459T3 (ja) |
WO (1) | WO2012171562A1 (ja) |
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US9258067B2 (en) | 2016-02-09 |
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CN103562737A (zh) | 2014-02-05 |
KR20140041535A (ko) | 2014-04-04 |
WO2012171562A1 (en) | 2012-12-20 |
KR101832906B1 (ko) | 2018-02-27 |
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CN103562737B (zh) | 2016-12-14 |
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