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BRPI0813328A2 - Transmissor e método de transmissão - Google Patents

Transmissor e método de transmissão

Info

Publication number
BRPI0813328A2
BRPI0813328A2 BRPI0813328-0A2A BRPI0813328A BRPI0813328A2 BR PI0813328 A2 BRPI0813328 A2 BR PI0813328A2 BR PI0813328 A BRPI0813328 A BR PI0813328A BR PI0813328 A2 BRPI0813328 A2 BR PI0813328A2
Authority
BR
Brazil
Prior art keywords
transmitter
transmission method
transmission
Prior art date
Application number
BRPI0813328-0A2A
Other languages
English (en)
Inventor
Hidekazu Taoka
Tetsushi Abe
Original Assignee
Ntt Docomo 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 Ntt Docomo Inc filed Critical Ntt Docomo Inc
Priority to BRBR122013003058-1A priority Critical patent/BR122013003058A2/pt
Publication of BRPI0813328A2 publication Critical patent/BRPI0813328A2/pt

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B7/00Radio transmission systems, i.e. using radiation field
    • H04B7/02Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/0413MIMO systems
    • H04B7/0456Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B7/00Radio transmission systems, i.e. using radiation field
    • H04B7/02Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0613Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
    • H04B7/0615Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal
    • H04B7/0617Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal for beam forming
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B7/00Radio transmission systems, i.e. using radiation field
    • H04B7/02Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0613Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
    • H04B7/0615Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal
    • H04B7/0619Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal using feedback from receiving side
    • H04B7/0636Feedback format
    • H04B7/0639Using selective indices, e.g. of a codebook, e.g. pre-distortion matrix index [PMI] or for beam selection
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B7/00Radio transmission systems, i.e. using radiation field
    • H04B7/02Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0686Hybrid systems, i.e. switching and simultaneous transmission
    • H04B7/0689Hybrid systems, i.e. switching and simultaneous transmission using different transmission schemes, at least one of them being a diversity transmission scheme

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Radio Transmission System (AREA)
  • Mobile Radio Communication Systems (AREA)
BRPI0813328-0A2A 2007-06-19 2008-06-17 Transmissor e método de transmissão BRPI0813328A2 (pt)

Priority Applications (1)

Application Number Priority Date Filing Date Title
BRBR122013003058-1A BR122013003058A2 (pt) 2007-06-19 2008-06-17 Transmissor e método de transmissão

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2007161943 2007-06-19
PCT/JP2008/061042 WO2008156081A1 (ja) 2007-06-19 2008-06-17 送信装置及び送信方法

Publications (1)

Publication Number Publication Date
BRPI0813328A2 true BRPI0813328A2 (pt) 2014-12-23

Family

ID=40156240

Family Applications (2)

Application Number Title Priority Date Filing Date
BRBR122013003058-1A BR122013003058A2 (pt) 2007-06-19 2008-06-17 Transmissor e método de transmissão
BRPI0813328-0A2A BRPI0813328A2 (pt) 2007-06-19 2008-06-17 Transmissor e método de transmissão

Family Applications Before (1)

Application Number Title Priority Date Filing Date
BRBR122013003058-1A BR122013003058A2 (pt) 2007-06-19 2008-06-17 Transmissor e método de transmissão

Country Status (9)

Country Link
US (2) US8379749B2 (pt)
EP (2) EP2584713A3 (pt)
JP (2) JP5094859B2 (pt)
KR (1) KR101414565B1 (pt)
CN (2) CN101682387B (pt)
BR (2) BR122013003058A2 (pt)
MX (1) MX2009012927A (pt)
RU (2) RU2479927C2 (pt)
WO (1) WO2008156081A1 (pt)

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Also Published As

Publication number Publication date
BR122013003058A2 (pt) 2015-07-14
MX2009012927A (es) 2010-01-14
EP2584713A3 (en) 2014-01-15
EP2169846A1 (en) 2010-03-31
US20130142278A1 (en) 2013-06-06
KR20100023864A (ko) 2010-03-04
RU2479927C2 (ru) 2013-04-20
CN102938665B (zh) 2015-09-30
KR101414565B1 (ko) 2014-07-03
RU2533808C2 (ru) 2014-11-20
US8379749B2 (en) 2013-02-19
CN101682387A (zh) 2010-03-24
RU2012157363A (ru) 2014-07-10
RU2009149103A (ru) 2011-07-27
WO2008156081A1 (ja) 2008-12-24
JP2013031212A (ja) 2013-02-07
CN102938665A (zh) 2013-02-20
WO2008156081A9 (ja) 2010-04-08
EP2584713A2 (en) 2013-04-24
EP2169846A4 (en) 2014-01-08
CN101682387B (zh) 2013-06-12
JP5094859B2 (ja) 2012-12-12
US8731102B2 (en) 2014-05-20
JPWO2008156081A1 (ja) 2010-08-26
US20100189191A1 (en) 2010-07-29

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