GB2456007B - Method for channel calibration - Google Patents

Method for channel calibration

Info

Publication number
GB2456007B
GB2456007B GB0725349.5A GB0725349A GB2456007B GB 2456007 B GB2456007 B GB 2456007B GB 0725349 A GB0725349 A GB 0725349A GB 2456007 B GB2456007 B GB 2456007B
Authority
GB
United Kingdom
Prior art keywords
channel calibration
calibration
channel
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Fee Related
Application number
GB0725349.5A
Other versions
GB0725349D0 (en
GB2456007A (en
Inventor
Simon Gale
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nortel Networks Ltd
Original Assignee
Nortel Networks Ltd
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 Nortel Networks Ltd filed Critical Nortel Networks Ltd
Priority to GB0725349.5A priority Critical patent/GB2456007B/en
Publication of GB0725349D0 publication Critical patent/GB0725349D0/en
Publication of GB2456007A publication Critical patent/GB2456007A/en
Application granted granted Critical
Publication of GB2456007B publication Critical patent/GB2456007B/en
Priority to US14/744,798 priority patent/US20150288462A1/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • 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
    • H01Q3/2605—Array of radiating elements provided with a feedback control over the element weights, e.g. adaptive arrays
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/12—Supports; Mounting means
    • H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
    • H01Q1/24—Supports; Mounting means by structural association with other equipment or articles with receiving set
    • H01Q1/241—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM
    • H01Q1/246—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for base stations

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Mobile Radio Communication Systems (AREA)
GB0725349.5A 2007-12-31 2007-12-31 Method for channel calibration Expired - Fee Related GB2456007B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB0725349.5A GB2456007B (en) 2007-12-31 2007-12-31 Method for channel calibration
US14/744,798 US20150288462A1 (en) 2007-12-31 2015-06-19 Method for Channel Calibration

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0725349.5A GB2456007B (en) 2007-12-31 2007-12-31 Method for channel calibration

Publications (3)

Publication Number Publication Date
GB0725349D0 GB0725349D0 (en) 2008-02-06
GB2456007A GB2456007A (en) 2009-07-01
GB2456007B true GB2456007B (en) 2012-10-17

Family

ID=39092482

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0725349.5A Expired - Fee Related GB2456007B (en) 2007-12-31 2007-12-31 Method for channel calibration

Country Status (1)

Country Link
GB (1) GB2456007B (en)

Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5546090A (en) * 1991-12-12 1996-08-13 Arraycomm, Inc. Method and apparatus for calibrating antenna arrays
GB2346013A (en) * 1998-11-27 2000-07-26 Radio Design Innovation Tj Ab Calibration method for a phased array
US6124824A (en) * 1999-01-29 2000-09-26 Cwill Telecommunications, Inc. Adaptive antenna array system calibration
US6131016A (en) * 1997-08-27 2000-10-10 At&T Corp Method and apparatus for enhancing communication reception at a wireless communication terminal
US20020042290A1 (en) * 2000-10-11 2002-04-11 Williams Terry L. Method and apparatus employing a remote wireless repeater for calibrating a wireless base station having an adaptive antenna array
US20020089447A1 (en) * 1999-08-10 2002-07-11 China Academy Of Telecommunications Technology Method and device for calibrating smart antenna array
US20030032423A1 (en) * 1998-05-01 2003-02-13 Tibor Boros Determining a calibration function using at least one remote terminal
US20040048584A1 (en) * 2002-09-10 2004-03-11 Chandra Vaidyanathan Techniques for correcting for phase and amplitude offsets in a MIMO radio device
EP1453223A1 (en) * 2001-11-30 2004-09-01 Fujitsu Limited Transmission diversity communication device
WO2005064871A1 (en) * 2003-12-30 2005-07-14 Telefonaktiebolaget Lm Ericsson (Publ) Calibration method to achieve reciprocity of bidirectional communication channels
US6983127B1 (en) * 2001-07-31 2006-01-03 Arraycomm, Inc. Statistical calibration of wireless base stations
GB2418536A (en) * 2004-09-27 2006-03-29 Nortel Networks Ltd Calibration of antenna array elements
US20070099573A1 (en) * 2005-11-02 2007-05-03 Qualcomm Incorporated Antenna array calibration for multi-input multi-output wireless communication systems

Patent Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5546090A (en) * 1991-12-12 1996-08-13 Arraycomm, Inc. Method and apparatus for calibrating antenna arrays
US6131016A (en) * 1997-08-27 2000-10-10 At&T Corp Method and apparatus for enhancing communication reception at a wireless communication terminal
US20030032423A1 (en) * 1998-05-01 2003-02-13 Tibor Boros Determining a calibration function using at least one remote terminal
GB2346013A (en) * 1998-11-27 2000-07-26 Radio Design Innovation Tj Ab Calibration method for a phased array
US6124824A (en) * 1999-01-29 2000-09-26 Cwill Telecommunications, Inc. Adaptive antenna array system calibration
US20020089447A1 (en) * 1999-08-10 2002-07-11 China Academy Of Telecommunications Technology Method and device for calibrating smart antenna array
US20020042290A1 (en) * 2000-10-11 2002-04-11 Williams Terry L. Method and apparatus employing a remote wireless repeater for calibrating a wireless base station having an adaptive antenna array
US6983127B1 (en) * 2001-07-31 2006-01-03 Arraycomm, Inc. Statistical calibration of wireless base stations
EP1453223A1 (en) * 2001-11-30 2004-09-01 Fujitsu Limited Transmission diversity communication device
US20040048584A1 (en) * 2002-09-10 2004-03-11 Chandra Vaidyanathan Techniques for correcting for phase and amplitude offsets in a MIMO radio device
WO2005064871A1 (en) * 2003-12-30 2005-07-14 Telefonaktiebolaget Lm Ericsson (Publ) Calibration method to achieve reciprocity of bidirectional communication channels
GB2418536A (en) * 2004-09-27 2006-03-29 Nortel Networks Ltd Calibration of antenna array elements
US20070099573A1 (en) * 2005-11-02 2007-05-03 Qualcomm Incorporated Antenna array calibration for multi-input multi-output wireless communication systems

Also Published As

Publication number Publication date
GB0725349D0 (en) 2008-02-06
GB2456007A (en) 2009-07-01

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)

Free format text: REGISTERED BETWEEN 20130926 AND 20131002

PCNP Patent ceased through non-payment of renewal fee

Effective date: 20161231