SE9702818D0 - Förfarande och anordning vid antennkalibrering - Google Patents
Förfarande och anordning vid antennkalibreringInfo
- Publication number
- SE9702818D0 SE9702818D0 SE9702818A SE9702818A SE9702818D0 SE 9702818 D0 SE9702818 D0 SE 9702818D0 SE 9702818 A SE9702818 A SE 9702818A SE 9702818 A SE9702818 A SE 9702818A SE 9702818 D0 SE9702818 D0 SE 9702818D0
- Authority
- SE
- Sweden
- Prior art keywords
- transmitters
- antenna system
- group antenna
- control
- error
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
- H01Q3/26—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture
- H01Q3/267—Phased-array testing or checking devices
Landscapes
- Variable-Direction Aerials And Aerial Arrays (AREA)
- Mobile Radio Communication Systems (AREA)
- Radio Transmission System (AREA)
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE9702818A SE509782C2 (sv) | 1997-07-29 | 1997-07-29 | Förfarande och anordning vid antennkalibrering samt användning av dessa i ett radiokommunikationssystem |
PCT/SE1998/001293 WO1999007034A1 (en) | 1997-07-29 | 1998-06-30 | A method and a device at antenna calibration |
CN98807759A CN1265778A (zh) | 1997-07-29 | 1998-06-30 | 天线校准的一种方法和设备 |
CA002297833A CA2297833A1 (en) | 1997-07-29 | 1998-06-30 | A method and a device at antenna calibration |
AU83629/98A AU8362998A (en) | 1997-07-29 | 1998-06-30 | A method and a device at antenna calibration |
US09/123,423 US6229483B1 (en) | 1997-07-29 | 1998-07-28 | Method and device relating to self-calibration of group antenna system having time varying transmission characteristics |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE9702818A SE509782C2 (sv) | 1997-07-29 | 1997-07-29 | Förfarande och anordning vid antennkalibrering samt användning av dessa i ett radiokommunikationssystem |
Publications (3)
Publication Number | Publication Date |
---|---|
SE9702818D0 true SE9702818D0 (sv) | 1997-07-29 |
SE9702818L SE9702818L (sv) | 1999-01-30 |
SE509782C2 SE509782C2 (sv) | 1999-03-08 |
Family
ID=20407842
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE9702818A SE509782C2 (sv) | 1997-07-29 | 1997-07-29 | Förfarande och anordning vid antennkalibrering samt användning av dessa i ett radiokommunikationssystem |
Country Status (6)
Country | Link |
---|---|
US (1) | US6229483B1 (sv) |
CN (1) | CN1265778A (sv) |
AU (1) | AU8362998A (sv) |
CA (1) | CA2297833A1 (sv) |
SE (1) | SE509782C2 (sv) |
WO (1) | WO1999007034A1 (sv) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2006004526A1 (en) * | 2004-07-06 | 2006-01-12 | Telefonaktiebolaget Lm Ericsson (Publ) | Aligning radio base station node transmission timing on multiple transmit paths |
JP4745263B2 (ja) * | 2007-02-09 | 2011-08-10 | 株式会社東芝 | Ad変換処理回路及び復調装置 |
EP2384558B1 (en) | 2009-01-30 | 2017-12-13 | Telefonaktiebolaget LM Ericsson (publ) | Phase calibration and erroneous cabling detection for a multi-antenna radio base station |
CN102237908B (zh) * | 2011-08-12 | 2014-12-17 | 电信科学技术研究院 | 数据传输方法和设备 |
US10151825B2 (en) * | 2014-08-15 | 2018-12-11 | Htc Corporation | Radar detection system |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE456536B (sv) * | 1985-03-08 | 1988-10-10 | Ericsson Telefon Ab L M | Testanordning i ett radarsystem med en elektriskt syyrd antenn |
US5412414A (en) * | 1988-04-08 | 1995-05-02 | Martin Marietta Corporation | Self monitoring/calibrating phased array radar and an interchangeable, adjustable transmit/receive sub-assembly |
US5063529A (en) * | 1989-12-29 | 1991-11-05 | Texas Instruments Incorporated | Method for calibrating a phased array antenna |
EP0763266A1 (en) * | 1994-06-03 | 1997-03-19 | Telefonaktiebolaget Lm Ericsson | Antenna array calibration |
EP0762541A3 (de) * | 1995-08-29 | 2000-01-12 | DaimlerChrysler AG | Einrichtung zum Kalibrieren und Testen von Sende/Empfangs-Modulen in einer aktiven elektronisch phasengesteuerten Gruppenantenne |
US5838674A (en) * | 1996-07-31 | 1998-11-17 | Telefonaktiebolaget L M Ericsson | Circuitry and method for time division multiple access communication system |
-
1997
- 1997-07-29 SE SE9702818A patent/SE509782C2/sv not_active IP Right Cessation
-
1998
- 1998-06-30 CN CN98807759A patent/CN1265778A/zh active Pending
- 1998-06-30 CA CA002297833A patent/CA2297833A1/en not_active Abandoned
- 1998-06-30 AU AU83629/98A patent/AU8362998A/en not_active Abandoned
- 1998-06-30 WO PCT/SE1998/001293 patent/WO1999007034A1/en active Application Filing
- 1998-07-28 US US09/123,423 patent/US6229483B1/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
US6229483B1 (en) | 2001-05-08 |
CA2297833A1 (en) | 1999-02-11 |
SE509782C2 (sv) | 1999-03-08 |
AU8362998A (en) | 1999-02-22 |
CN1265778A (zh) | 2000-09-06 |
SE9702818L (sv) | 1999-01-30 |
WO1999007034A1 (en) | 1999-02-11 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
NUG | Patent has lapsed |