TW200733604A - Antenna array calibration for multi-input multi-output wireless communication systems - Google Patents

Antenna array calibration for multi-input multi-output wireless communication systems

Info

Publication number
TW200733604A
TW200733604A TW095140593A TW95140593A TW200733604A TW 200733604 A TW200733604 A TW 200733604A TW 095140593 A TW095140593 A TW 095140593A TW 95140593 A TW95140593 A TW 95140593A TW 200733604 A TW200733604 A TW 200733604A
Authority
TW
Taiwan
Prior art keywords
wireless communication
communication systems
antenna array
output wireless
array calibration
Prior art date
Application number
TW095140593A
Other languages
Chinese (zh)
Other versions
TWI357234B (en
Inventor
Ayman Fawzy Naguib
Alexei Gorokhov
Original Assignee
Qualcomm Inc
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 US11/398,077 external-priority patent/US8498669B2/en
Priority claimed from US11/405,944 external-priority patent/US8280430B2/en
Application filed by Qualcomm Inc filed Critical Qualcomm Inc
Publication of TW200733604A publication Critical patent/TW200733604A/en
Application granted granted Critical
Publication of TWI357234B publication Critical patent/TWI357234B/en

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
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/10—Monitoring; Testing of transmitters
    • H04B17/11—Monitoring; Testing of transmitters for calibration
    • H04B17/12—Monitoring; Testing of transmitters for calibration of transmit antennas, e.g. of the amplitude or phase
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03006—Arrangements for removing intersymbol interference
    • H04L25/03343—Arrangements at the transmitter end
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/32—Carrier systems characterised by combinations of two or more of the types covered by groups H04L27/02, H04L27/10, H04L27/18 or H04L27/26
    • H04L27/34—Amplitude- and phase-modulated carrier systems, e.g. quadrature-amplitude modulated carrier systems
    • H04L27/36—Modulator circuits; Transmitter circuits
    • H04L27/366—Arrangements for compensating undesirable properties of the transmission path between the modulator and the demodulator
    • H04L27/367—Arrangements for compensating undesirable properties of the transmission path between the modulator and the demodulator using predistortion
    • H04L27/368—Arrangements for compensating undesirable properties of the transmission path between the modulator and the demodulator using predistortion adaptive predistortion
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/0202—Channel estimation
    • H04L25/0204—Channel estimation of multiple channels
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/02—Channels characterised by the type of signal
    • H04L5/023—Multiplexing of multicarrier modulation signals

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Power Engineering (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Radio Transmission System (AREA)

Abstract

Calibration for a transmit chain of a device transmitting information to multiple devices over wireless links and receive chains of the multiple devices receiving information over one of the wireless links utilizing each of the estimates for different antennas of an access terminal as a separate estimate.
TW95140593A 2005-11-02 2006-11-02 Antenna array calibration for multi-input multi-ou TWI357234B (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US73302105P 2005-11-02 2005-11-02
US11/398,077 US8498669B2 (en) 2005-06-16 2006-04-04 Antenna array calibration for wireless communication systems
US11/405,944 US8280430B2 (en) 2005-11-02 2006-04-17 Antenna array calibration for multi-input multi-output wireless communication systems

Publications (2)

Publication Number Publication Date
TW200733604A true TW200733604A (en) 2007-09-01
TWI357234B TWI357234B (en) 2012-01-21

Family

ID=41489044

Family Applications (1)

Application Number Title Priority Date Filing Date
TW95140593A TWI357234B (en) 2005-11-02 2006-11-02 Antenna array calibration for multi-input multi-ou

Country Status (3)

Country Link
JP (2) JP4903805B2 (en)
RU (1) RU2395163C2 (en)
TW (1) TWI357234B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090093222A1 (en) * 2007-10-03 2009-04-09 Qualcomm Incorporated Calibration and beamforming in a wireless communication system
US8428521B2 (en) * 2009-08-04 2013-04-23 Qualcomm Incorporated Control for uplink in MIMO communication system
CN102082745B (en) * 2010-04-19 2013-10-16 电信科学技术研究院 Method and equipment for reporting antenna calibration information and determining antenna calibration factor
JP6723424B1 (en) 2019-06-21 2020-07-15 株式会社横須賀テレコムリサーチパーク Transmission/reception method and transmission/reception system

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1133836B1 (en) * 1998-11-24 2013-11-13 Intel Corporation Method and apparatus for calibrating a wireless communications station having an antenna array
US7151809B2 (en) * 2002-10-25 2006-12-19 Qualcomm, Incorporated Channel estimation and spatial processing for TDD MIMO systems
US8134976B2 (en) * 2002-10-25 2012-03-13 Qualcomm Incorporated Channel calibration for a time division duplexed communication system
US8320301B2 (en) * 2002-10-25 2012-11-27 Qualcomm Incorporated MIMO WLAN system
US7206354B2 (en) * 2004-02-19 2007-04-17 Qualcomm Incorporated Calibration of downlink and uplink channel responses in a wireless MIMO communication system

Also Published As

Publication number Publication date
JP4903805B2 (en) 2012-03-28
RU2395163C2 (en) 2010-07-20
JP5384599B2 (en) 2014-01-08
JP2009527132A (en) 2009-07-23
JP2012109964A (en) 2012-06-07
RU2008121956A (en) 2009-12-10
TWI357234B (en) 2012-01-21

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Legal Events

Date Code Title Description
MM4A Annulment or lapse of patent due to non-payment of fees