AU2001267317A1 - Beam formation method for the downlink in a radio communication system - Google Patents

Beam formation method for the downlink in a radio communication system

Info

Publication number
AU2001267317A1
AU2001267317A1 AU2001267317A AU6731701A AU2001267317A1 AU 2001267317 A1 AU2001267317 A1 AU 2001267317A1 AU 2001267317 A AU2001267317 A AU 2001267317A AU 6731701 A AU6731701 A AU 6731701A AU 2001267317 A1 AU2001267317 A1 AU 2001267317A1
Authority
AU
Australia
Prior art keywords
downlink
communication system
radio communication
formation method
beam formation
Prior art date
Legal status (The legal status 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 status listed.)
Abandoned
Application number
AU2001267317A
Inventor
Christopher Brunner
Alexander Seeger
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Siemens AG
Original Assignee
Siemens AG
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 Siemens AG filed Critical Siemens AG
Publication of AU2001267317A1 publication Critical patent/AU2001267317A1/en
Abandoned legal-status Critical Current

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
    • H04B7/06—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
    • H04B7/0619—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 using feedback from receiving side
    • H04B7/0621—Feedback content
    • H04B7/0626—Channel coefficients, e.g. channel state information [CSI]
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
AU2001267317A 2000-05-25 2001-05-22 Beam formation method for the downlink in a radio communication system Abandoned AU2001267317A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE2000125989 DE10025989B4 (en) 2000-05-25 2000-05-25 Beamforming method
DE10025989 2000-05-25
PCT/DE2001/001972 WO2001091326A1 (en) 2000-05-25 2001-05-22 Beam formation method for the downlink in a radio communication system

Publications (1)

Publication Number Publication Date
AU2001267317A1 true AU2001267317A1 (en) 2001-12-03

Family

ID=7643576

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2001267317A Abandoned AU2001267317A1 (en) 2000-05-25 2001-05-22 Beam formation method for the downlink in a radio communication system

Country Status (6)

Country Link
EP (1) EP1284053B1 (en)
CN (1) CN1197268C (en)
AU (1) AU2001267317A1 (en)
DE (2) DE10025989B4 (en)
ES (1) ES2252247T3 (en)
WO (1) WO2001091326A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10101556A1 (en) * 2001-01-15 2002-07-18 Siemens Ag Method for transmitting feedback in a radio communication system and stations for a radio communication system
US7046978B2 (en) * 2002-02-08 2006-05-16 Qualcomm, Inc. Method and apparatus for transmit pre-correction in wireless communications
DE102017207679A1 (en) * 2017-05-08 2018-11-08 Robert Bosch Gmbh Operating method and control unit for an ultrasound transceiver, ultrasound transceiver and work device

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5515378A (en) * 1991-12-12 1996-05-07 Arraycomm, Inc. Spatial division multiple access wireless communication systems
RU2195682C2 (en) * 1997-03-25 2002-12-27 Сименс Акциенгезелльшафт Procedure evaluating direction of partial waves
DE19803188B4 (en) * 1998-01-28 2006-04-20 Siemens Ag Method and base station for data transmission in a radio communication system
DE19916912A1 (en) * 1999-04-14 2000-11-09 Siemens Ag Downlink beamforming process for base stations in radio communication systems

Also Published As

Publication number Publication date
ES2252247T3 (en) 2006-05-16
DE50108802D1 (en) 2006-04-13
WO2001091326A1 (en) 2001-11-29
EP1284053A1 (en) 2003-02-19
DE10025989A1 (en) 2003-05-28
CN1197268C (en) 2005-04-13
CN1430822A (en) 2003-07-16
DE10025989B4 (en) 2005-11-03
EP1284053B1 (en) 2006-01-25

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