JP5908307B2 - プリコーディング装置、無線送信装置、無線受信装置、無線通信システムおよび集積回路 - Google Patents

プリコーディング装置、無線送信装置、無線受信装置、無線通信システムおよび集積回路 Download PDF

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JP5908307B2
JP5908307B2 JP2012049149A JP2012049149A JP5908307B2 JP 5908307 B2 JP5908307 B2 JP 5908307B2 JP 2012049149 A JP2012049149 A JP 2012049149A JP 2012049149 A JP2012049149 A JP 2012049149A JP 5908307 B2 JP5908307 B2 JP 5908307B2
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precoding
signal
reference signal
unit
data signal
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Japanese (ja)
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JP2013187612A5 (enExample
JP2013187612A (ja
Inventor
宏道 留場
宏道 留場
毅 小野寺
毅 小野寺
デルガド アルバロ ルイズ
デルガド アルバロ ルイズ
窪田　稔
稔 窪田
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Sharp Corp
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Sharp Corp
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Priority to JP2012049149A priority Critical patent/JP5908307B2/ja
Priority to PCT/JP2013/055784 priority patent/WO2013133192A1/ja
Priority to US14/382,855 priority patent/US20150023279A1/en
Publication of JP2013187612A publication Critical patent/JP2013187612A/ja
Publication of JP2013187612A5 publication Critical patent/JP2013187612A5/ja
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    • 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
    • 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
    • H04B7/0413—MIMO systems
    • H04B7/0452—Multi-user 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
    • H04B7/0615—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
    • 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
    • H04B7/0682—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 using phase diversity (e.g. phase sweeping)
    • 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
    • H04B7/0697—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 spatial multiplexing
    • 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
    • H04B7/08—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
    • H04B7/0837—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station using pre-detection combining
    • H04B7/0842—Weighted combining
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J11/00—Orthogonal multiplex systems, e.g. using WALSH codes
    • H04J11/0023—Interference mitigation or co-ordination
    • H04J11/0026—Interference mitigation or co-ordination of multi-user interference
    • H04J11/003—Interference mitigation or co-ordination of multi-user interference at the transmitter
    • H04J11/0033—Interference mitigation or co-ordination of multi-user interference at the transmitter by pre-cancellation of known interference, e.g. using a matched filter, dirty paper coder or Thomlinson-Harashima precoder
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/32—Carrier systems characterised by combinations of two or more of the types covered by groups H04L27/02, H04L27/10, H04L27/18 or H04L27/26
    • H04L27/34—Amplitude- and phase-modulated carrier systems, e.g. quadrature-amplitude modulated carrier systems
    • H04L27/345—Modifications of the signal space to allow the transmission of additional information
    • H04L27/3455—Modifications of the signal space to allow the transmission of additional information in order to facilitate carrier recovery at the receiver end, e.g. by transmitting a pilot or by using additional signal points to allow the detection of rotations

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Radio Transmission System (AREA)
  • Mobile Radio Communication Systems (AREA)
JP2012049149A 2012-03-06 2012-03-06 プリコーディング装置、無線送信装置、無線受信装置、無線通信システムおよび集積回路 Active JP5908307B2 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2012049149A JP5908307B2 (ja) 2012-03-06 2012-03-06 プリコーディング装置、無線送信装置、無線受信装置、無線通信システムおよび集積回路
PCT/JP2013/055784 WO2013133192A1 (ja) 2012-03-06 2013-03-04 プリコーディング装置、無線送信装置、無線受信装置、無線通信システムおよび集積回路
US14/382,855 US20150023279A1 (en) 2012-03-06 2013-03-04 Pre-coding device, wireless transmission device, wireless receiving device, wireless communication system, and integrated circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2012049149A JP5908307B2 (ja) 2012-03-06 2012-03-06 プリコーディング装置、無線送信装置、無線受信装置、無線通信システムおよび集積回路

Publications (3)

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JP2013187612A JP2013187612A (ja) 2013-09-19
JP2013187612A5 JP2013187612A5 (enExample) 2015-04-16
JP5908307B2 true JP5908307B2 (ja) 2016-04-26

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Country Link
US (1) US20150023279A1 (enExample)
JP (1) JP5908307B2 (enExample)
WO (1) WO2013133192A1 (enExample)

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US10411914B2 (en) 2016-12-14 2019-09-10 Intel IP Corporation Data detection in MIMO systems with demodulation and tracking reference signals
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US11184205B2 (en) * 2018-05-10 2021-11-23 Ntt Docomo, Inc. Reception apparatus and transmission apparatus
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WO2020019336A1 (en) * 2018-07-27 2020-01-30 Nokia Shanghai Bell Co., Ltd. Method and apparatus for transmiting demodulation reference signal
WO2021186678A1 (ja) * 2020-03-19 2021-09-23 日本電信電話株式会社 無線通信方法及び無線通信システム
CN114499600B (zh) * 2020-11-12 2023-04-18 华为技术有限公司 多用户预编码方法、装置及设备
US12388494B2 (en) * 2021-01-26 2025-08-12 Nippon Telegraph And Telephone Corporation Communication path estimation method, wireless communication system, transmitter, and receiver
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US20150023279A1 (en) 2015-01-22
JP2013187612A (ja) 2013-09-19

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