MX364253B - Método de transmisión de datos de antena múltiple, estación base, equipo de usuario y sistema. - Google Patents

Método de transmisión de datos de antena múltiple, estación base, equipo de usuario y sistema.

Info

Publication number
MX364253B
MX364253B MX2016014175A MX2016014175A MX364253B MX 364253 B MX364253 B MX 364253B MX 2016014175 A MX2016014175 A MX 2016014175A MX 2016014175 A MX2016014175 A MX 2016014175A MX 364253 B MX364253 B MX 364253B
Authority
MX
Mexico
Prior art keywords
status information
channel status
channel
data transmission
dimension
Prior art date
Application number
MX2016014175A
Other languages
English (en)
Other versions
MX2016014175A (es
Inventor
Wu Ye
Qiao Deli
Wang Lei
Original Assignee
Huawei Tech Co Ltd
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 Huawei Tech Co Ltd filed Critical Huawei Tech Co Ltd
Publication of MX2016014175A publication Critical patent/MX2016014175A/es
Publication of MX364253B publication Critical patent/MX364253B/es

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
    • H04B7/04—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
    • 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
    • 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
    • H04B7/0413—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
    • H04B7/0456—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting
    • H04B7/0478—Special codebook structures directed to feedback optimisation
    • 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
    • H04B7/0615—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
    • 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

Landscapes

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

Abstract

Modalidades de la presente invención divulgan una estación base, incluyendo: un primer módulo de adquisición de información del estado de canal, configurado para adquirir información de estado de canal del subespacio de canal de dimensión reducida por medio de la medición de información del estado de canal de un nivel, donde el subespacio de canal es un subespacio de canal obtenido después que se ejecuta la reducción de dimensión en el subespacio de canal estadístico de cada equipo de usuario que-va-a-ser-programado; un módulo de determinación de conjunto, configurado para: programar el equipo de usuario, y determinar un conjunto de equipo de usuario involucrado en múltiple-entrada múltiple-salida; un segundo módulo de adquisición de información de estado de canal, configurado para: ejecutar medición de información del estado de canal de dos niveles en equipo de usuario en el conjunto de equipo de usuario para adquirir información de estado de un canal en tiempo real de dimensión reducida; y un módulo de envío de datos, configurado para: procesar datos de enlace descendente y una señal de referencia de desmodulación específica del usuario por medio de precodificación de dos niveles, y enviar los datos de enlace descendente procesados y una señal de referencia de desmodulación específica del usuario procesada al equipo de usuario en el conjunto de equipo de usuario; la presente invención además divulga un método de transmisión de datos de múltiple antena, equipo de usuario y un sistema; al utilizar la presente invención, la capacidad del sistema es incrementada de manera efectiva.
MX2016014175A 2014-04-28 2014-04-28 Método de transmisión de datos de antena múltiple, estación base, equipo de usuario y sistema. MX364253B (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2014/076370 WO2015165005A1 (zh) 2014-04-28 2014-04-28 一种多天线数据传输方法、基站、用户设备及系统

Publications (2)

Publication Number Publication Date
MX2016014175A MX2016014175A (es) 2017-05-01
MX364253B true MX364253B (es) 2019-04-17

Family

ID=54357973

Family Applications (1)

Application Number Title Priority Date Filing Date
MX2016014175A MX364253B (es) 2014-04-28 2014-04-28 Método de transmisión de datos de antena múltiple, estación base, equipo de usuario y sistema.

Country Status (10)

Country Link
US (2) US9923614B2 (es)
EP (1) EP3139509B1 (es)
JP (1) JP6509255B2 (es)
KR (1) KR101969001B1 (es)
CN (1) CN106464331B (es)
BR (1) BR112016025316A2 (es)
CA (1) CA2947184C (es)
MX (1) MX364253B (es)
RU (1) RU2649416C1 (es)
WO (1) WO2015165005A1 (es)

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CN110034802B (zh) * 2018-01-12 2021-08-20 大唐移动通信设备有限公司 一种信息传输方法及装置
CN111869291A (zh) 2018-02-02 2020-10-30 康奈尔大学 无线系统中的信道制图
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CN113765643B (zh) * 2021-10-05 2023-11-14 北京遥感设备研究所 一种信道估计方法及系统

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Also Published As

Publication number Publication date
CA2947184A1 (en) 2015-11-05
EP3139509A4 (en) 2017-04-19
EP3139509B1 (en) 2022-07-27
JP6509255B2 (ja) 2019-05-08
KR101969001B1 (ko) 2019-04-15
WO2015165005A1 (zh) 2015-11-05
MX2016014175A (es) 2017-05-01
US20170047973A1 (en) 2017-02-16
KR20160146992A (ko) 2016-12-21
BR112016025316A2 (pt) 2017-08-15
US20180234138A1 (en) 2018-08-16
RU2649416C1 (ru) 2018-04-03
US10236949B2 (en) 2019-03-19
CN106464331A (zh) 2017-02-22
CN106464331B (zh) 2021-05-18
JP2017520948A (ja) 2017-07-27
EP3139509A1 (en) 2017-03-08
US9923614B2 (en) 2018-03-20
CA2947184C (en) 2020-09-22

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