ATE507620T1 - Verfahren und einrichtung zum abwärts- rückkopplungs-mehrfachantennensenden in drahtlosen kommunikationssystemen - Google Patents

Verfahren und einrichtung zum abwärts- rückkopplungs-mehrfachantennensenden in drahtlosen kommunikationssystemen

Info

Publication number
ATE507620T1
ATE507620T1 AT02703449T AT02703449T ATE507620T1 AT E507620 T1 ATE507620 T1 AT E507620T1 AT 02703449 T AT02703449 T AT 02703449T AT 02703449 T AT02703449 T AT 02703449T AT E507620 T1 ATE507620 T1 AT E507620T1
Authority
AT
Austria
Prior art keywords
unit
specific physical
channel
common pilot
wireless communication
Prior art date
Application number
AT02703449T
Other languages
English (en)
Inventor
Hebing Wu
Jinlin Zhang
Jiang Li
Qi Ding
Original Assignee
Huawei Tech Co Ltd
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 Huawei Tech Co Ltd filed Critical Huawei Tech Co Ltd
Application granted granted Critical
Publication of ATE507620T1 publication Critical patent/ATE507620T1/de

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
    • H04B7/0634—Antenna weights or vector/matrix coefficients
    • 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
    • H04B7/0636—Feedback format
    • H04B7/0645—Variable feedback
    • H04B7/065—Variable contents, e.g. long-term or short-short
    • 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)
  • Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Radio Transmission System (AREA)
  • Transceivers (AREA)
AT02703449T 2001-07-20 2002-02-10 Verfahren und einrichtung zum abwärts- rückkopplungs-mehrfachantennensenden in drahtlosen kommunikationssystemen ATE507620T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CNB011263016A CN1161907C (zh) 2001-07-20 2001-07-20 无线通信系统下行反馈多天线发射方法与装置
PCT/CN2002/000087 WO2003009492A1 (en) 2001-07-20 2002-02-10 A method and device for downlink feedback multiple antenna transmit in wireless communication system

Publications (1)

Publication Number Publication Date
ATE507620T1 true ATE507620T1 (de) 2011-05-15

Family

ID=4666322

Family Applications (1)

Application Number Title Priority Date Filing Date
AT02703449T ATE507620T1 (de) 2001-07-20 2002-02-10 Verfahren und einrichtung zum abwärts- rückkopplungs-mehrfachantennensenden in drahtlosen kommunikationssystemen

Country Status (6)

Country Link
US (1) US7236478B2 (de)
EP (1) EP1330050B1 (de)
CN (1) CN1161907C (de)
AT (1) ATE507620T1 (de)
DE (1) DE60239851D1 (de)
WO (1) WO2003009492A1 (de)

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Also Published As

Publication number Publication date
CN1399425A (zh) 2003-02-26
CN1161907C (zh) 2004-08-11
WO2003009492A1 (en) 2003-01-30
EP1330050A1 (de) 2003-07-23
US20030231606A1 (en) 2003-12-18
DE60239851D1 (de) 2011-06-09
US7236478B2 (en) 2007-06-26
EP1330050A4 (de) 2009-11-11
EP1330050B1 (de) 2011-04-27

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