PT3174221T - Método e arquitetura num sistema de comunicação sem fios - Google Patents

Método e arquitetura num sistema de comunicação sem fios

Info

Publication number
PT3174221T
PT3174221T PT16205520T PT16205520T PT3174221T PT 3174221 T PT3174221 T PT 3174221T PT 16205520 T PT16205520 T PT 16205520T PT 16205520 T PT16205520 T PT 16205520T PT 3174221 T PT3174221 T PT 3174221T
Authority
PT
Portugal
Prior art keywords
arrangement
wireless communications
communications system
wireless
communications
Prior art date
Application number
PT16205520T
Other languages
English (en)
Inventor
Göransson Bo
Jöngren George
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
Publication of PT3174221T publication Critical patent/PT3174221T/pt

Links

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
    • 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
    • H04B7/06—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)
PT16205520T 2007-01-12 2007-12-21 Método e arquitetura num sistema de comunicação sem fios PT3174221T (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE0700065 2007-01-12

Publications (1)

Publication Number Publication Date
PT3174221T true PT3174221T (pt) 2018-12-19

Family

ID=39609163

Family Applications (1)

Application Number Title Priority Date Filing Date
PT16205520T PT3174221T (pt) 2007-01-12 2007-12-21 Método e arquitetura num sistema de comunicação sem fios

Country Status (14)

Country Link
US (4) US8644415B2 (pt)
EP (3) EP3444967B1 (pt)
JP (2) JP5456484B2 (pt)
KR (3) KR101752184B1 (pt)
CN (4) CN107104713B (pt)
BR (1) BRPI0720943B1 (pt)
DK (2) DK3174221T3 (pt)
ES (3) ES2872376T3 (pt)
HU (1) HUE032168T2 (pt)
MY (1) MY153247A (pt)
PL (3) PL3174221T3 (pt)
PT (1) PT3174221T (pt)
TW (1) TWI442726B (pt)
WO (1) WO2008085107A2 (pt)

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Also Published As

Publication number Publication date
CN107104713B (zh) 2021-02-19
KR101631784B1 (ko) 2016-06-17
PL3174221T3 (pl) 2019-05-31
ES2703580T3 (es) 2019-03-11
EP3174221A1 (en) 2017-05-31
EP3444967A1 (en) 2019-02-20
BRPI0720943A2 (pt) 2014-03-11
US10735058B2 (en) 2020-08-04
EP2103001A4 (en) 2014-09-10
CN107070512B (zh) 2021-02-19
KR101571903B1 (ko) 2015-11-25
WO2008085107A2 (en) 2008-07-17
US20200366345A1 (en) 2020-11-19
EP2103001A2 (en) 2009-09-23
CN101611567A (zh) 2009-12-23
US11838077B2 (en) 2023-12-05
JP2014099900A (ja) 2014-05-29
DK3444967T3 (da) 2021-02-15
EP3444967B1 (en) 2021-02-03
TW200845625A (en) 2008-11-16
PL2103001T3 (pl) 2017-06-30
JP5917576B2 (ja) 2016-05-18
KR101752184B1 (ko) 2017-07-11
US8644415B2 (en) 2014-02-04
PL3444967T3 (pl) 2021-09-20
KR20090101920A (ko) 2009-09-29
CN106850011A (zh) 2017-06-13
CN107104713A (zh) 2017-08-29
CN107070512A (zh) 2017-08-18
JP2010516170A (ja) 2010-05-13
US20100046650A1 (en) 2010-02-25
WO2008085107A3 (en) 2008-08-28
US20160164584A1 (en) 2016-06-09
HUE032168T2 (en) 2017-09-28
CN106850011B (zh) 2019-03-26
ES2872376T3 (es) 2021-11-02
EP2103001B1 (en) 2016-12-21
TWI442726B (zh) 2014-06-21
US20140185698A1 (en) 2014-07-03
KR20160075796A (ko) 2016-06-29
ES2616329T3 (es) 2017-06-12
KR20140130482A (ko) 2014-11-10
MY153247A (en) 2015-01-29
JP5456484B2 (ja) 2014-03-26
EP3174221B1 (en) 2018-09-26
US9300379B2 (en) 2016-03-29
BRPI0720943B1 (pt) 2020-09-15
DK3174221T3 (en) 2019-01-07

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