CA2786810C - A method and transmitter node for transmitting demodulation reference signal pattern - Google Patents

A method and transmitter node for transmitting demodulation reference signal pattern Download PDF

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Publication number
CA2786810C
CA2786810C CA2786810A CA2786810A CA2786810C CA 2786810 C CA2786810 C CA 2786810C CA 2786810 A CA2786810 A CA 2786810A CA 2786810 A CA2786810 A CA 2786810A CA 2786810 C CA2786810 C CA 2786810C
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CA
Canada
Prior art keywords
demodulation reference
reference signal
transmission
pattern
code division
Prior art date
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Active
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CA2786810A
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English (en)
French (fr)
Other versions
CA2786810A1 (en
Inventor
Yang Hu
David Astely
David Hammarwall
George Jongren
Xinghua SONG
Jianfeng Wang
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.)
Telefonaktiebolaget LM Ericsson AB
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Telefonaktiebolaget LM Ericsson AB
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Publication of CA2786810A1 publication Critical patent/CA2786810A1/en
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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
    • H04B7/0452—Multi-user MIMO systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/0001—Arrangements for dividing the transmission path
    • H04L5/0014—Three-dimensional division
    • H04L5/0023—Time-frequency-space
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0048—Allocation of pilot signals, i.e. of signals known 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
    • H04B7/04—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
    • H04B7/0686—Hybrid systems, i.e. switching and simultaneous transmission
    • H04B7/0689—Hybrid systems, i.e. switching and simultaneous transmission using different transmission schemes, at least one of them being a diversity transmission scheme
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/0001—Arrangements for dividing the transmission path
    • H04L5/0026—Division using four or more dimensions, e.g. beam steering or quasi-co-location [QCL]

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Radio Transmission System (AREA)
  • Mobile Radio Communication Systems (AREA)
CA2786810A 2010-01-12 2010-06-24 A method and transmitter node for transmitting demodulation reference signal pattern Active CA2786810C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CNPCT/CN2010/000043 2010-01-12
PCT/CN2010/000043 WO2011085509A1 (en) 2010-01-12 2010-01-12 Layer-to dm rs port mapping for lte-advanced
PCT/SE2010/050725 WO2011087417A1 (en) 2010-01-12 2010-06-24 A method and transmitter node for transmitting dm-rs pattern

Publications (2)

Publication Number Publication Date
CA2786810A1 CA2786810A1 (en) 2011-07-21
CA2786810C true CA2786810C (en) 2018-02-13

Family

ID=44303776

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2786810A Active CA2786810C (en) 2010-01-12 2010-06-24 A method and transmitter node for transmitting demodulation reference signal pattern

Country Status (6)

Country Link
US (1) US20120275414A1 (https=)
EP (2) EP2524559B1 (https=)
JP (1) JP5726900B2 (https=)
CA (1) CA2786810C (https=)
MY (1) MY164652A (https=)
WO (2) WO2011085509A1 (https=)

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Also Published As

Publication number Publication date
EP2524559A1 (en) 2012-11-21
US20120275414A1 (en) 2012-11-01
CA2786810A1 (en) 2011-07-21
EP2524559A4 (en) 2014-05-07
WO2011087417A1 (en) 2011-07-21
JP5726900B2 (ja) 2015-06-03
EP3174220B1 (en) 2018-11-14
EP3174220A1 (en) 2017-05-31
WO2011085509A1 (en) 2011-07-21
EP2524559B1 (en) 2016-11-16
MY164652A (en) 2018-01-30
JP2013517646A (ja) 2013-05-16

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