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DK3444967T3 - Fremgangsmåde og anordning i et trådløst kommunikationssystem - Google Patents

Fremgangsmåde og anordning i et trådløst kommunikationssystem Download PDF

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Publication number
DK3444967T3
DK3444967T3 DK18196719.1T DK18196719T DK3444967T3 DK 3444967 T3 DK3444967 T3 DK 3444967T3 DK 18196719 T DK18196719 T DK 18196719T DK 3444967 T3 DK3444967 T3 DK 3444967T3
Authority
DK
Denmark
Prior art keywords
wireless communication
communication system
wireless
communication
Prior art date
Application number
DK18196719.1T
Other languages
English (en)
Inventor
George Jöngren
Bo Göransson
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
Application granted granted Critical
Publication of DK3444967T3 publication Critical patent/DK3444967T3/da

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Classifications

    • 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
    • H04B7/0456—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting
    • 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
    • H04B7/0456—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting
    • H04B7/046—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting taking physical layer constraints into account
    • H04B7/0469—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting taking physical layer constraints into account taking special antenna structures, e.g. cross polarized antennas into account
    • 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
    • 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
    • H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0613—Diversity 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
    • H04B7/0615—Diversity 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
    • H04B7/0617—Diversity 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
    • 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
    • H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0613—Diversity 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
    • H04B7/0615—Diversity 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
    • H04B7/0665—Feed forward of transmit weights to the receiver
    • 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
    • H04B7/10—Polarisation diversity; Directional diversity

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Radio Transmission System (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Fodder In General (AREA)
DK18196719.1T 2007-01-12 2007-12-21 Fremgangsmåde og anordning i et trådløst kommunikationssystem DK3444967T3 (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE0700065 2007-01-12
EP16205520.6A EP3174221B1 (en) 2007-01-12 2007-12-21 Method and arrangement in a wireless communications system

Publications (1)

Publication Number Publication Date
DK3444967T3 true DK3444967T3 (da) 2021-02-15

Family

ID=39609163

Family Applications (2)

Application Number Title Priority Date Filing Date
DK18196719.1T DK3444967T3 (da) 2007-01-12 2007-12-21 Fremgangsmåde og anordning i et trådløst kommunikationssystem
DK16205520.6T DK3174221T3 (da) 2007-01-12 2007-12-21 Fremgangsmåde og indretning i et trådløst kommunikationssystem

Family Applications After (1)

Application Number Title Priority Date Filing Date
DK16205520.6T DK3174221T3 (da) 2007-01-12 2007-12-21 Fremgangsmåde og indretning i et trådløst kommunikationssystem

Country Status (14)

Country Link
US (4) US8644415B2 (da)
EP (3) EP2103001B1 (da)
JP (2) JP5456484B2 (da)
KR (3) KR101571903B1 (da)
CN (4) CN101611567A (da)
BR (1) BRPI0720943B1 (da)
DK (2) DK3444967T3 (da)
ES (3) ES2616329T3 (da)
HU (1) HUE032168T2 (da)
MY (1) MY153247A (da)
PL (3) PL3174221T3 (da)
PT (1) PT3174221T (da)
TW (1) TWI442726B (da)
WO (1) WO2008085107A2 (da)

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Also Published As

Publication number Publication date
ES2872376T3 (es) 2021-11-02
CN106850011B (zh) 2019-03-26
KR20140130482A (ko) 2014-11-10
MY153247A (en) 2015-01-29
US9300379B2 (en) 2016-03-29
KR20090101920A (ko) 2009-09-29
WO2008085107A3 (en) 2008-08-28
ES2703580T3 (es) 2019-03-11
US20140185698A1 (en) 2014-07-03
JP2010516170A (ja) 2010-05-13
JP5456484B2 (ja) 2014-03-26
PL2103001T3 (pl) 2017-06-30
HUE032168T2 (en) 2017-09-28
KR20160075796A (ko) 2016-06-29
CN107104713A (zh) 2017-08-29
US8644415B2 (en) 2014-02-04
EP3174221B1 (en) 2018-09-26
US10735058B2 (en) 2020-08-04
CN107104713B (zh) 2021-02-19
WO2008085107A2 (en) 2008-07-17
DK3174221T3 (da) 2019-01-07
PL3444967T3 (pl) 2021-09-20
JP5917576B2 (ja) 2016-05-18
JP2014099900A (ja) 2014-05-29
US20200366345A1 (en) 2020-11-19
BRPI0720943B1 (pt) 2020-09-15
CN107070512B (zh) 2021-02-19
EP3174221A1 (en) 2017-05-31
US20160164584A1 (en) 2016-06-09
PT3174221T (pt) 2018-12-19
EP2103001B1 (en) 2016-12-21
CN106850011A (zh) 2017-06-13
KR101631784B1 (ko) 2016-06-17
US11838077B2 (en) 2023-12-05
EP3444967A1 (en) 2019-02-20
US20100046650A1 (en) 2010-02-25
CN107070512A (zh) 2017-08-18
ES2616329T3 (es) 2017-06-12
TW200845625A (en) 2008-11-16
EP3444967B1 (en) 2021-02-03
KR101571903B1 (ko) 2015-11-25
PL3174221T3 (pl) 2019-05-31
CN101611567A (zh) 2009-12-23
TWI442726B (zh) 2014-06-21
BRPI0720943A2 (pt) 2014-03-11
EP2103001A4 (en) 2014-09-10
EP2103001A2 (en) 2009-09-23
KR101752184B1 (ko) 2017-07-11

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