KR101431598B1 - 무선기지국장치 및 이동국장치, 무선통신방법 - Google Patents

무선기지국장치 및 이동국장치, 무선통신방법 Download PDF

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KR101431598B1
KR101431598B1 KR20117021226A KR20117021226A KR101431598B1 KR 101431598 B1 KR101431598 B1 KR 101431598B1 KR 20117021226 A KR20117021226 A KR 20117021226A KR 20117021226 A KR20117021226 A KR 20117021226A KR 101431598 B1 KR101431598 B1 KR 101431598B1
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reference signal
subframe
density
station apparatus
crs
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KR20110139687A (ko
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요시히사 기시야마
히데카즈 타오카
마모루 사와하시
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가부시키가이샤 엔티티 도코모
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    • 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
    • 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
    • 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
    • H04L1/0028—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
    • H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
    • 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

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  • 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)
KR20117021226A 2009-03-16 2010-03-16 무선기지국장치 및 이동국장치, 무선통신방법 Active KR101431598B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JPJP-P-2009-063594 2009-03-16
JP2009063594A JP5059800B2 (ja) 2009-03-16 2009-03-16 無線基地局装置及び移動局装置、無線通信方法
PCT/JP2010/054397 WO2010107013A1 (ja) 2009-03-16 2010-03-16 無線基地局装置及び移動局装置、無線通信方法

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KR1020147015722A Division KR101655340B1 (ko) 2009-03-16 2010-03-16 무선기지국장치 및 이동국장치, 무선통신방법

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Publication Number Publication Date
KR20110139687A KR20110139687A (ko) 2011-12-29
KR101431598B1 true KR101431598B1 (ko) 2014-08-20

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KR1020147015722A Active KR101655340B1 (ko) 2009-03-16 2010-03-16 무선기지국장치 및 이동국장치, 무선통신방법

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

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Publication number Publication date
KR20110139687A (ko) 2011-12-29
JP2010219817A (ja) 2010-09-30
US9281926B2 (en) 2016-03-08
AU2010225772B2 (en) 2015-02-05
EP2860896B1 (en) 2019-12-18
CN102356578B (zh) 2015-08-19
KR101655340B1 (ko) 2016-09-07
EP2860896A3 (en) 2015-08-19
CA2755380C (en) 2015-01-27
KR20140095088A (ko) 2014-07-31
CA2755380A1 (en) 2010-09-23
BRPI1009489A2 (pt) 2016-03-15
AU2010225772A1 (en) 2011-10-13
US20150085819A1 (en) 2015-03-26
CN104393970B (zh) 2018-10-16
US10924231B2 (en) 2021-02-16
WO2010107013A1 (ja) 2010-09-23
CN104393970A (zh) 2015-03-04
AU2010225772C1 (en) 2015-07-23
EP2410685A4 (en) 2014-09-03
CN102356578A (zh) 2012-02-15
US20120106501A1 (en) 2012-05-03
IN2014KN02668A (enExample) 2015-05-08
EP2860896A2 (en) 2015-04-15
EP2985933A2 (en) 2016-02-17
EP2410685A1 (en) 2012-01-25
EP2985933A3 (en) 2016-04-27
BR122015003526B1 (pt) 2021-05-04
BR122015003526A2 (pt) 2016-04-05
JP5059800B2 (ja) 2012-10-31

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