ATE425595T1 - Techniken zur korrektur von phasen- und amplitudenoffsets in einer mimo-funkeinrichtung - Google Patents

Techniken zur korrektur von phasen- und amplitudenoffsets in einer mimo-funkeinrichtung

Info

Publication number
ATE425595T1
ATE425595T1 AT03752106T AT03752106T ATE425595T1 AT E425595 T1 ATE425595 T1 AT E425595T1 AT 03752106 T AT03752106 T AT 03752106T AT 03752106 T AT03752106 T AT 03752106T AT E425595 T1 ATE425595 T1 AT E425595T1
Authority
AT
Austria
Prior art keywords
amplitude
phase
radio
antenna
path
Prior art date
Application number
AT03752106T
Other languages
English (en)
Inventor
Chandra Vaidyanathan
Gary Sugar
Original Assignee
Ipr Licensing 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
Application filed by Ipr Licensing Inc filed Critical Ipr Licensing Inc
Application granted granted Critical
Publication of ATE425595T1 publication Critical patent/ATE425595T1/de

Links

Classifications

    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • 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
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/0003—Software-defined radio [SDR] systems, i.e. systems wherein components typically implemented in hardware, e.g. filters or modulators/demodulators, are implented using software, e.g. by involving an AD or DA conversion stage such that at least part of the signal processing is performed in the digital domain
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/02—Transmitters
    • H04B1/04—Circuits
    • H04B1/0475—Circuits with means for limiting noise, interference or distortion
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/02—Transmitters
    • H04B1/04—Circuits
    • H04B1/0483—Transmitters with multiple parallel paths
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/0413—MIMO systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/20—Monitoring; Testing of receivers
    • H04B17/21—Monitoring; Testing of receivers for calibration; for correcting measurements

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Radio Transmission System (AREA)
  • Networks Using Active Elements (AREA)
AT03752106T 2002-09-10 2003-09-09 Techniken zur korrektur von phasen- und amplitudenoffsets in einer mimo-funkeinrichtung ATE425595T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US40967702P 2002-09-10 2002-09-10
US10/457,293 US7031669B2 (en) 2002-09-10 2003-06-09 Techniques for correcting for phase and amplitude offsets in a MIMO radio device

Publications (1)

Publication Number Publication Date
ATE425595T1 true ATE425595T1 (de) 2009-03-15

Family

ID=31997848

Family Applications (1)

Application Number Title Priority Date Filing Date
AT03752106T ATE425595T1 (de) 2002-09-10 2003-09-09 Techniken zur korrektur von phasen- und amplitudenoffsets in einer mimo-funkeinrichtung

Country Status (14)

Country Link
US (2) US7031669B2 (de)
EP (1) EP1547254B1 (de)
JP (1) JP4616011B2 (de)
KR (2) KR20050083684A (de)
CN (1) CN1751444B (de)
AT (1) ATE425595T1 (de)
AU (1) AU2003270416C1 (de)
BR (1) BR0314425A (de)
CA (1) CA2498676A1 (de)
DE (1) DE60326612D1 (de)
GE (1) GEP20074248B (de)
MX (1) MXPA05002678A (de)
NO (1) NO20051751L (de)
WO (1) WO2004025841A2 (de)

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EP1547254A2 (de) 2005-06-29
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US7236750B2 (en) 2007-06-26
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US7031669B2 (en) 2006-04-18
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