SE9702818L - Förfarande och anordning vid antennkalibrering samt användning av dessa i ett radiokommunikationssystem - Google Patents

Förfarande och anordning vid antennkalibrering samt användning av dessa i ett radiokommunikationssystem

Info

Publication number
SE9702818L
SE9702818L SE9702818A SE9702818A SE9702818L SE 9702818 L SE9702818 L SE 9702818L SE 9702818 A SE9702818 A SE 9702818A SE 9702818 A SE9702818 A SE 9702818A SE 9702818 L SE9702818 L SE 9702818L
Authority
SE
Sweden
Prior art keywords
transmitters
antenna system
group antenna
control
error
Prior art date
Application number
SE9702818A
Other languages
Unknown language ( )
English (en)
Other versions
SE509782C2 (sv
SE9702818D0 (sv
Inventor
Lars Robert Loostroem
Original Assignee
Ericsson Telefon Ab L M
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 Ericsson Telefon Ab L M filed Critical Ericsson Telefon Ab L M
Priority to SE9702818A priority Critical patent/SE509782C2/sv
Publication of SE9702818D0 publication Critical patent/SE9702818D0/sv
Priority to AU83629/98A priority patent/AU8362998A/en
Priority to CA002297833A priority patent/CA2297833A1/en
Priority to PCT/SE1998/001293 priority patent/WO1999007034A1/en
Priority to CN98807759A priority patent/CN1265778A/zh
Priority to US09/123,423 priority patent/US6229483B1/en
Publication of SE9702818L publication Critical patent/SE9702818L/sv
Publication of SE509782C2 publication Critical patent/SE509782C2/sv

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

  • Mobile Radio Communication Systems (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
  • Radio Transmission System (AREA)
SE9702818A 1997-07-29 1997-07-29 Förfarande och anordning vid antennkalibrering samt användning av dessa i ett radiokommunikationssystem SE509782C2 (sv)

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
AU83629/98A AU8362998A (en) 1997-07-29 1998-06-30 A method and a device at antenna calibration
CA002297833A CA2297833A1 (en) 1997-07-29 1998-06-30 A method and a device at antenna calibration
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
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 SE9702818D0 (sv) 1997-07-29
SE9702818L true 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)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ATE527722T1 (de) 2004-07-06 2011-10-15 Ericsson Telefon Ab L M Ausrichtung der funkbasisstations- knotenübertragungszeitsteuerung auf mehreren sendewegen
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)

* Cited by examiner, † Cited by third party
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
BR9507801A (pt) * 1994-06-03 1998-05-26 Ericsson Telefon Ab L M Processo e sistema para calibrar a transmissão e a recepção de uma formação de antenas para uso num sistema de comunicações de rádio móvel
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

Also Published As

Publication number Publication date
AU8362998A (en) 1999-02-22
CN1265778A (zh) 2000-09-06
WO1999007034A1 (en) 1999-02-11
CA2297833A1 (en) 1999-02-11
US6229483B1 (en) 2001-05-08
SE509782C2 (sv) 1999-03-08
SE9702818D0 (sv) 1997-07-29

Similar Documents

Publication Publication Date Title
DE966819T1 (de) Phasenregelkreis mit stufenlos einstellbarer bandbreite
TW200629782A (en) Transmitting and receiving method, and radio apparatus utilizing the same
ATE534199T1 (de) Vorrichtung und verfahren zur strahlenbündelung in einer umgebung mit wechselnder interferenz
ATE429084T1 (de) Drahtloses netzwerk mit kalibrierung von steuerbaren antennen über unabhängigen kontrollpfad
CA2187313A1 (en) Method and apparatus for transmitting and receiving encrypted signals
TW332367B (en) Cooperative feedback system and method for a compensation system associated with a transmitter or codec
JPH02285817A (ja) 無線送信機
FI865149A0 (fi) Anordning foer kontroll av saendningseffekten i en radiofoerbindelse.
NZ509005A (en) Apparatus and method for processing signals selected from multiple data streams received from terrestrial transmitters or satellites
NO985402D0 (no) FremgangsmÕte og system for valg av antennelobe i en basestasjon i et radiosystem
CA2190140A1 (en) Method for Wireless Communication System Planning
MY115021A (en) Method and apparatus for determining signal strength in a variable data rate system
IL107105A (en) Apparatus and method for providing synchronization of base-stations in communication system
MY133639A (en) Method and system for non-orthogonal noise energy based gain control
FR2518335B1 (sv)
GB2256994A (en) Tdma transceiver controller method and apparatus
SE9702818L (sv) Förfarande och anordning vid antennkalibrering samt användning av dessa i ett radiokommunikationssystem
GB1477614A (en) Transmitting station and receiving station for operating with a systematic recurrent code
ATE188074T1 (de) Optisches übertragungssystem mit frequenzabstimmung
SE9602768L (sv) Sändar-mottagar-par
KR20010078643A (ko) 시간 지연을 보상할 수 있는 이동통신 시스템
KR200233528Y1 (ko) 방송의 시각정보를 이용한 시간보정장치
JPS5665532A (en) Transmitter
DE3069998D1 (en) Method for the transmission of analog information through optical fibres and installation for carrying out the method
GB2238439A (en) Method and apparatus for radio transmission using pulses of random polarity

Legal Events

Date Code Title Description
NUG Patent has lapsed