IN2014KN02668A - - Google Patents

Info

Publication number
IN2014KN02668A
IN2014KN02668A IN2668KON2014A IN2014KN02668A IN 2014KN02668 A IN2014KN02668 A IN 2014KN02668A IN 2668KON2014 A IN2668KON2014 A IN 2668KON2014A IN 2014KN02668 A IN2014KN02668 A IN 2014KN02668A
Authority
IN
India
Prior art keywords
reference signals
downlink reference
transmission
station apparatus
section configured
Prior art date
Application number
Inventor
Yoshihisa Kishiyama
Hidekazu Taoka
Mamoru Sawahashi
Original Assignee
Ntt Docomo Inc
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 Ntt Docomo Inc filed Critical Ntt Docomo Inc
Publication of IN2014KN02668A publication Critical patent/IN2014KN02668A/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J11/00—Orthogonal multiplex systems, e.g. using WALSH codes
    • H04J11/0069—Cell search, i.e. determining cell identity [cell-ID]
    • H04J11/0079—Acquisition of downlink reference signals, e.g. detection of cell-ID
    • 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
    • H04B7/0413—MIMO systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0023—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the signalling
    • H04L1/0026—Transmission of channel quality indication
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0023—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the signalling
    • H04L1/0028—Formatting
    • H04L1/0031—Multiple signaling transmission
    • 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
    • H04L5/0053—Allocation of signalling, i.e. of overhead other than pilot signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/02—Terminal devices
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/08—Access point devices
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J2211/00—Orthogonal indexing scheme relating to orthogonal multiplex systems
    • H04J2211/003—Orthogonal indexing scheme relating to orthogonal multiplex systems within particular systems or standards
    • H04J2211/005—Long term evolution [LTE]
    • 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
    • H04L25/0204—Channel estimation of multiple channels
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Quality & Reliability (AREA)
  • Power Engineering (AREA)
  • Databases & Information Systems (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Radio Transmission System (AREA)

Abstract

A radio base station apparatus comprising: a plurality of transmission antennas; an orthogonalizing section configured to orthogonalize downlink reference signals allocated to a plurality of radio resources of same frequency and different time regions, between layers by using orthogonal codes; and a transmission section configured to transmit a signal that is multiplexed with the downlink reference signals and transmission data, from the plurality of transmission antennas in multiple layers, wherein sequence information of the downlink reference signals and information of the orthogonal codes are signaled to a mobile station apparatus.
IN2668KON2014 2009-03-16 2010-03-16 IN2014KN02668A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2009063594A JP5059800B2 (en) 2009-03-16 2009-03-16 Radio base station apparatus, mobile station apparatus, and radio communication method
PCT/JP2010/054397 WO2010107013A1 (en) 2009-03-16 2010-03-16 Radio base station apparatus, mobile station apparatus and wireless communication method

Publications (1)

Publication Number Publication Date
IN2014KN02668A true IN2014KN02668A (en) 2015-05-08

Family

ID=42739673

Family Applications (1)

Application Number Title Priority Date Filing Date
IN2668KON2014 IN2014KN02668A (en) 2009-03-16 2010-03-16

Country Status (10)

Country Link
US (2) US9281926B2 (en)
EP (3) EP2985933A3 (en)
JP (1) JP5059800B2 (en)
KR (2) KR101431598B1 (en)
CN (2) CN102356578B (en)
AU (1) AU2010225772C1 (en)
BR (2) BR122015003526B1 (en)
CA (1) CA2755380C (en)
IN (1) IN2014KN02668A (en)
WO (1) WO2010107013A1 (en)

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Also Published As

Publication number Publication date
KR20110139687A (en) 2011-12-29
JP2010219817A (en) 2010-09-30
US9281926B2 (en) 2016-03-08
AU2010225772B2 (en) 2015-02-05
EP2860896B1 (en) 2019-12-18
CN102356578B (en) 2015-08-19
KR101655340B1 (en) 2016-09-07
EP2860896A3 (en) 2015-08-19
KR101431598B1 (en) 2014-08-20
CA2755380C (en) 2015-01-27
KR20140095088A (en) 2014-07-31
CA2755380A1 (en) 2010-09-23
BRPI1009489A2 (en) 2016-03-15
AU2010225772A1 (en) 2011-10-13
US20150085819A1 (en) 2015-03-26
CN104393970B (en) 2018-10-16
US10924231B2 (en) 2021-02-16
WO2010107013A1 (en) 2010-09-23
CN104393970A (en) 2015-03-04
AU2010225772C1 (en) 2015-07-23
EP2410685A4 (en) 2014-09-03
CN102356578A (en) 2012-02-15
US20120106501A1 (en) 2012-05-03
EP2860896A2 (en) 2015-04-15
EP2985933A2 (en) 2016-02-17
EP2410685A1 (en) 2012-01-25
EP2985933A3 (en) 2016-04-27
BR122015003526B1 (en) 2021-05-04
BR122015003526A2 (en) 2016-04-05
JP5059800B2 (en) 2012-10-31

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