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IN2012DN02033A - - Google Patents

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Publication number
IN2012DN02033A
IN2012DN02033A IN2033DEN2012A IN2012DN02033A IN 2012DN02033 A IN2012DN02033 A IN 2012DN02033A IN 2033DEN2012 A IN2033DEN2012 A IN 2033DEN2012A IN 2012DN02033 A IN2012DN02033 A IN 2012DN02033A
Authority
IN
India
Prior art keywords
coordinated
transmission
resource
resource element
coordinated transmission
Prior art date
Application number
Inventor
Wolfgang Zirwas
Mieszko Chmiel
Matti Tapani Kiiski
Egon Schulz
Original Assignee
Nokia Siemens Networks Oy
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 Nokia Siemens Networks Oy filed Critical Nokia Siemens Networks Oy
Publication of IN2012DN02033A publication Critical patent/IN2012DN02033A/en

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
    • H04B7/022—Site diversity; Macro-diversity
    • H04B7/024—Co-operative use of antennas of several sites, e.g. in co-ordinated multipoint or co-operative multiple-input multiple-output [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
    • H04B7/06—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
    • H04B7/0667—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 delayed versions of same signal
    • H04B7/0671—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 delayed versions of same signal using different delays between antennas
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/0202—Channel estimation
    • H04L25/0224—Channel estimation using sounding signals
    • H04L25/0228—Channel estimation using sounding signals with direct estimation from sounding signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2602—Signal structure
    • H04L27/261—Details of reference signals
    • 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
    • H04L5/0032—Distributed allocation, i.e. involving a plurality of allocating devices, each making partial allocation
    • H04L5/0035—Resource allocation in a cooperative multipoint environment
    • 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
    • H04L5/0037—Inter-user or inter-terminal allocation
    • 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
    • H04L5/0051—Allocation of pilot signals, i.e. of signals known to the receiver of dedicated pilots, i.e. pilots destined for a single user or terminal
    • 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
    • H04L5/0058—Allocation criteria
    • H04L5/0073—Allocation arrangements that take into account other cell interferences

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Power Engineering (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

A method is described, which comprises controlling a coordinated transmission between network control elements and terminals on resource elements, detecting whether a resource element comprises a specific element, and selecting a resource element for the coordinated transmission, when it is detected that the resource element does not comprise a specific element. The application also describes some further aspects to improve a coordinated transmission such as a coordinated multipoint transmission is improved.
IN2033DEN2012 2009-08-14 2009-08-14 IN2012DN02033A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/EP2009/060568 WO2011018121A1 (en) 2009-08-14 2009-08-14 Improvements for coordinated multipoint transmission

Publications (1)

Publication Number Publication Date
IN2012DN02033A true IN2012DN02033A (en) 2015-07-31

Family

ID=42115640

Family Applications (1)

Application Number Title Priority Date Filing Date
IN2033DEN2012 IN2012DN02033A (en) 2009-08-14 2009-08-14

Country Status (9)

Country Link
US (1) US10454645B2 (en)
EP (2) EP2465211B1 (en)
JP (1) JP5420767B2 (en)
KR (1) KR101416783B1 (en)
CN (1) CN102511130B (en)
ES (1) ES2641317T3 (en)
IN (1) IN2012DN02033A (en)
PL (1) PL2894795T3 (en)
WO (1) WO2011018121A1 (en)

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Also Published As

Publication number Publication date
CN102511130A (en) 2012-06-20
US10454645B2 (en) 2019-10-22
PL2894795T3 (en) 2018-03-30
ES2641317T3 (en) 2017-11-08
JP2013502117A (en) 2013-01-17
EP2894795A1 (en) 2015-07-15
US20120176982A1 (en) 2012-07-12
KR20120048015A (en) 2012-05-14
CN102511130B (en) 2015-08-12
JP5420767B2 (en) 2014-02-19
EP2894795B1 (en) 2017-06-28
EP2465211B1 (en) 2015-02-25
WO2011018121A1 (en) 2011-02-17
KR101416783B1 (en) 2014-07-08
EP2465211A1 (en) 2012-06-20

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