JP2016517668A - 分散入力分散出力無線通信におけるチャネル可逆性を利用する無線周波数校正のためのシステム及び方法 - Google Patents

分散入力分散出力無線通信におけるチャネル可逆性を利用する無線周波数校正のためのシステム及び方法 Download PDF

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JP2016517668A
JP2016517668A JP2016501746A JP2016501746A JP2016517668A JP 2016517668 A JP2016517668 A JP 2016517668A JP 2016501746 A JP2016501746 A JP 2016501746A JP 2016501746 A JP2016501746 A JP 2016501746A JP 2016517668 A JP2016517668 A JP 2016517668A
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channel
mas
lte
distributed
antenna
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JP2016517668A5 (https=
Inventor
アントニオ フォレンツァ
アントニオ フォレンツァ
ファディ サイビ
ファディ サイビ
ティモシー エイ ピットマン
ティモシー エイ ピットマン
スティーブン ジー パールマン
スティーブン ジー パールマン
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リアデン リミテッド ライアビリティ カンパニー
リアデン リミテッド ライアビリティ カンパニー
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Publication of JP2016517668A publication Critical patent/JP2016517668A/ja
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    • 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
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/10—Monitoring; Testing of transmitters
    • H04B17/11—Monitoring; Testing of transmitters for calibration
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/10—Monitoring; Testing of transmitters
    • H04B17/11—Monitoring; Testing of transmitters for calibration
    • H04B17/12—Monitoring; Testing of transmitters for calibration of transmit antennas, e.g. of the amplitude or phase
    • 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
    • H04B7/0413—MIMO systems
    • H04B7/0456—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting
    • 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
    • H04B7/0615—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 weighted versions of same signal
    • H04B7/0619—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 weighted versions of same signal using feedback from receiving side
    • H04B7/0621—Feedback content
    • H04B7/0626—Channel coefficients, e.g. channel state information [CSI]
    • 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
    • H04B7/0615—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 weighted versions of same signal
    • H04B7/0619—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 weighted versions of same signal using feedback from receiving side
    • H04B7/0658—Feedback reduction
    • 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
    • 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

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Power Engineering (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Radio Transmission System (AREA)
  • Transmitters (AREA)
  • Radio Relay Systems (AREA)
JP2016501746A 2013-03-15 2014-03-12 分散入力分散出力無線通信におけるチャネル可逆性を利用する無線周波数校正のためのシステム及び方法 Pending JP2016517668A (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US13/844,355 US10547358B2 (en) 2013-03-15 2013-03-15 Systems and methods for radio frequency calibration exploiting channel reciprocity in distributed input distributed output wireless communications
US13/844,355 2013-03-15
PCT/US2014/025105 WO2014151150A1 (en) 2013-03-15 2014-03-12 Systems and methods for radio frequency calibration exploiting channel reciprocity in distributed input distributed output wireless communications

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JP2019093904A Division JP2019169967A (ja) 2013-03-15 2019-05-17 分散入力分散出力無線通信におけるチャネル可逆性を利用する無線周波数校正のためのシステム及び方法

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JP2016517668A true JP2016517668A (ja) 2016-06-16
JP2016517668A5 JP2016517668A5 (https=) 2017-04-20

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JP2016501746A Pending JP2016517668A (ja) 2013-03-15 2014-03-12 分散入力分散出力無線通信におけるチャネル可逆性を利用する無線周波数校正のためのシステム及び方法
JP2019093904A Pending JP2019169967A (ja) 2013-03-15 2019-05-17 分散入力分散出力無線通信におけるチャネル可逆性を利用する無線周波数校正のためのシステム及び方法
JP2021193491A Active JP7465860B2 (ja) 2013-03-15 2021-11-29 分散入力分散出力無線通信におけるチャネル可逆性を利用する無線周波数校正のためのシステム及び方法
JP2024059093A Active JP7663738B2 (ja) 2013-03-15 2024-04-01 分散入力分散出力無線通信におけるチャネル可逆性を利用する無線周波数校正のためのシステム及び方法
JP2025062653A Pending JP2025108490A (ja) 2013-03-15 2025-04-04 分散入力分散出力無線通信におけるチャネル可逆性を利用する無線周波数校正のためのシステム及び方法

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JP2021193491A Active JP7465860B2 (ja) 2013-03-15 2021-11-29 分散入力分散出力無線通信におけるチャネル可逆性を利用する無線周波数校正のためのシステム及び方法
JP2024059093A Active JP7663738B2 (ja) 2013-03-15 2024-04-01 分散入力分散出力無線通信におけるチャネル可逆性を利用する無線周波数校正のためのシステム及び方法
JP2025062653A Pending JP2025108490A (ja) 2013-03-15 2025-04-04 分散入力分散出力無線通信におけるチャネル可逆性を利用する無線周波数校正のためのシステム及び方法

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Country Link
US (10) US10547358B2 (https=)
EP (3) EP4529231A1 (https=)
JP (5) JP2016517668A (https=)
KR (5) KR20230098689A (https=)
CN (5) CN111817760B (https=)
AU (7) AU2014235243A1 (https=)
BR (1) BR112015023223B1 (https=)
CA (3) CA2904981C (https=)
FI (1) FI3905727T3 (https=)
IL (3) IL241319B (https=)
MX (3) MX363086B (https=)
RU (2) RU2767777C2 (https=)
SG (2) SG10201707378VA (https=)
TW (4) TWI758719B (https=)
WO (1) WO2014151150A1 (https=)

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