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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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
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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 (cg-RX-API-DMAC7.html)
EP (2) EP2524559B1 (cg-RX-API-DMAC7.html)
JP (1) JP5726900B2 (cg-RX-API-DMAC7.html)
CA (1) CA2786810C (cg-RX-API-DMAC7.html)
MY (1) MY164652A (cg-RX-API-DMAC7.html)
WO (2) WO2011085509A1 (cg-RX-API-DMAC7.html)

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Also Published As

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

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Effective date: 20150622