PL3174221T3 - Sposób i układ w bezprzewodowym systemie komunikacji - Google Patents

Sposób i układ w bezprzewodowym systemie komunikacji

Info

Publication number
PL3174221T3
PL3174221T3 PL16205520T PL16205520T PL3174221T3 PL 3174221 T3 PL3174221 T3 PL 3174221T3 PL 16205520 T PL16205520 T PL 16205520T PL 16205520 T PL16205520 T PL 16205520T PL 3174221 T3 PL3174221 T3 PL 3174221T3
Authority
PL
Poland
Prior art keywords
arrangement
wireless communications
communications system
wireless
communications
Prior art date
Application number
PL16205520T
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
Publication of PL3174221T3 publication Critical patent/PL3174221T3/pl

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
    • 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
    • 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)
PL16205520T 2007-01-12 2007-12-21 Sposób i układ w bezprzewodowym systemie komunikacji PL3174221T3 (pl)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
SE0700065 2007-01-12
EP07861165.4A EP2103001B1 (en) 2007-01-12 2007-12-21 Method for precoding using a block diagonal matrix
PCT/SE2007/051070 WO2008085107A2 (en) 2007-01-12 2007-12-21 Method for precoding using a block diagonal matrix
EP16205520.6A EP3174221B1 (en) 2007-01-12 2007-12-21 Method and arrangement in a wireless communications system

Publications (1)

Publication Number Publication Date
PL3174221T3 true PL3174221T3 (pl) 2019-05-31

Family

ID=39609163

Family Applications (3)

Application Number Title Priority Date Filing Date
PL07861165T PL2103001T3 (pl) 2007-01-12 2007-12-21 Sposób kodowania wstępnego z wykorzystaniem macierzy klatkowo-diagonalnej
PL16205520T PL3174221T3 (pl) 2007-01-12 2007-12-21 Sposób i układ w bezprzewodowym systemie komunikacji
PL18196719T PL3444967T3 (pl) 2007-01-12 2007-12-21 Sposób i układ w bezprzewodowym systemie komunikacji

Family Applications Before (1)

Application Number Title Priority Date Filing Date
PL07861165T PL2103001T3 (pl) 2007-01-12 2007-12-21 Sposób kodowania wstępnego z wykorzystaniem macierzy klatkowo-diagonalnej

Family Applications After (1)

Application Number Title Priority Date Filing Date
PL18196719T PL3444967T3 (pl) 2007-01-12 2007-12-21 Sposób i układ w bezprzewodowym systemie komunikacji

Country Status (14)

Country Link
US (4) US8644415B2 (pl)
EP (3) EP2103001B1 (pl)
JP (2) JP5456484B2 (pl)
KR (3) KR101631784B1 (pl)
CN (4) CN107104713B (pl)
BR (1) BRPI0720943B1 (pl)
DK (2) DK3444967T3 (pl)
ES (3) ES2616329T3 (pl)
HU (1) HUE032168T2 (pl)
MY (1) MY153247A (pl)
PL (3) PL2103001T3 (pl)
PT (1) PT3174221T (pl)
TW (1) TWI442726B (pl)
WO (1) WO2008085107A2 (pl)

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Also Published As

Publication number Publication date
EP3444967B1 (en) 2021-02-03
US20200366345A1 (en) 2020-11-19
EP2103001A2 (en) 2009-09-23
KR101571903B1 (ko) 2015-11-25
KR20090101920A (ko) 2009-09-29
WO2008085107A3 (en) 2008-08-28
PL3444967T3 (pl) 2021-09-20
CN107104713A (zh) 2017-08-29
CN107104713B (zh) 2021-02-19
PL2103001T3 (pl) 2017-06-30
CN106850011B (zh) 2019-03-26
ES2616329T3 (es) 2017-06-12
US20160164584A1 (en) 2016-06-09
KR101752184B1 (ko) 2017-07-11
JP2014099900A (ja) 2014-05-29
EP3444967A1 (en) 2019-02-20
US8644415B2 (en) 2014-02-04
US9300379B2 (en) 2016-03-29
JP5456484B2 (ja) 2014-03-26
JP2010516170A (ja) 2010-05-13
HUE032168T2 (en) 2017-09-28
EP3174221B1 (en) 2018-09-26
JP5917576B2 (ja) 2016-05-18
TWI442726B (zh) 2014-06-21
DK3444967T3 (da) 2021-02-15
PT3174221T (pt) 2018-12-19
EP3174221A1 (en) 2017-05-31
BRPI0720943B1 (pt) 2020-09-15
EP2103001B1 (en) 2016-12-21
KR20140130482A (ko) 2014-11-10
MY153247A (en) 2015-01-29
WO2008085107A2 (en) 2008-07-17
US20100046650A1 (en) 2010-02-25
DK3174221T3 (en) 2019-01-07
ES2703580T3 (es) 2019-03-11
CN106850011A (zh) 2017-06-13
CN107070512A (zh) 2017-08-18
CN101611567A (zh) 2009-12-23
CN107070512B (zh) 2021-02-19
EP2103001A4 (en) 2014-09-10
US11838077B2 (en) 2023-12-05
BRPI0720943A2 (pt) 2014-03-11
US10735058B2 (en) 2020-08-04
KR20160075796A (ko) 2016-06-29
US20140185698A1 (en) 2014-07-03
TW200845625A (en) 2008-11-16
ES2872376T3 (es) 2021-11-02
KR101631784B1 (ko) 2016-06-17

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