MX344538B - Metodo y dispositivo para la transmision de informacion de estado de canal en un sistema de comunicacion inalambrica. - Google Patents

Metodo y dispositivo para la transmision de informacion de estado de canal en un sistema de comunicacion inalambrica.

Info

Publication number
MX344538B
MX344538B MX2015013412A MX2015013412A MX344538B MX 344538 B MX344538 B MX 344538B MX 2015013412 A MX2015013412 A MX 2015013412A MX 2015013412 A MX2015013412 A MX 2015013412A MX 344538 B MX344538 B MX 344538B
Authority
MX
Mexico
Prior art keywords
wireless communication
communication system
state information
index
channel state
Prior art date
Application number
MX2015013412A
Other languages
English (en)
Other versions
MX2015013412A (es
Inventor
Hyungtae Kim
Kijun Kim
Original Assignee
Lg Electronics 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 Lg Electronics Inc filed Critical Lg Electronics Inc
Publication of MX2015013412A publication Critical patent/MX2015013412A/es
Publication of MX344538B publication Critical patent/MX344538B/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
    • H04B7/06—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
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M13/00—Coding, decoding or code conversion, for error detection or error correction; Coding theory basic assumptions; Coding bounds; Error probability evaluation methods; Channel models; Simulation or testing of codes
    • H03M13/27—Coding, decoding or code conversion, for error detection or error correction; Coding theory basic assumptions; Coding bounds; Error probability evaluation methods; Channel models; Simulation or testing of codes using interleaving techniques
    • H03M13/2778—Interleaver using block-wise interleaving, e.g. the interleaving matrix is sub-divided into sub-matrices and the permutation is performed in blocks of sub-matrices
    • 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
    • H04B7/0413—MIMO systems
    • H04B7/0417—Feedback 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
    • H04B7/046—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting taking physical layer constraints into account
    • H04B7/0469—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting taking physical layer constraints into account taking special antenna structures, e.g. cross polarized antennas into account
    • 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
    • H04B7/0486—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting taking channel rank into account
    • 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
    • H04B7/0636—Feedback format
    • H04B7/0645—Variable feedback
    • H04B7/065—Variable contents, e.g. long-term or short-short
    • 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
    • H04B7/0663—Feedback reduction using vector or matrix manipulations
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • H04W72/21—Control channels or signalling for resource management in the uplink direction of a wireless link, i.e. towards the network
    • 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
    • H04B7/0636—Feedback format
    • H04B7/0639—Using selective indices, e.g. of a codebook, e.g. pre-distortion matrix index [PMI] or for beam selection

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Probability & Statistics with Applications (AREA)
  • Theoretical Computer Science (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Radio Transmission System (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)

Abstract

La presente invención se relaciona con un sistema de comunicación inalámbrica, un método para transmitir información de estado canal (CSI, por sus siglas en inglés) en un sistema de comunicación inalámbrica, de acuerdo con una modalidad de la presente invención, comprende los pasos de: submuestrear un libro de claves para un puerto de cuatro antenas que incluye 16 matrices de precodificación; y realizar una retroalimentación para la csi sobre la base de un libro de claves submuestreado, en donde cuando un rango indicador (Rl) es de cuatro, un libro de claves submuestreado incluye, a partir de 16 matrices de precodificación, la primera matriz de precodificación tiene el índice 0, una tercera matriz de precodificación tiene el índice 2, una novena matriz de precodificación tiene el índice 8, y una undécima matriz de precodificación tiene el índice 10.
MX2015013412A 2013-03-21 2014-03-21 Metodo y dispositivo para la transmision de informacion de estado de canal en un sistema de comunicacion inalambrica. MX344538B (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201361804173P 2013-03-21 2013-03-21
PCT/KR2014/002403 WO2014148862A1 (ko) 2013-03-21 2014-03-21 무선 통신 시스템에서 채널상태정보 전송 방법 및 장치

Publications (2)

Publication Number Publication Date
MX2015013412A MX2015013412A (es) 2016-01-08
MX344538B true MX344538B (es) 2016-12-19

Family

ID=51580446

Family Applications (1)

Application Number Title Priority Date Filing Date
MX2015013412A MX344538B (es) 2013-03-21 2014-03-21 Metodo y dispositivo para la transmision de informacion de estado de canal en un sistema de comunicacion inalambrica.

Country Status (8)

Country Link
US (2) US9647738B2 (es)
EP (1) EP2996257B1 (es)
JP (1) JP6464143B2 (es)
KR (1) KR102194926B1 (es)
CN (1) CN105075141B (es)
MX (1) MX344538B (es)
RU (1) RU2621010C2 (es)
WO (1) WO2014148862A1 (es)

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EP4228170A1 (en) 2012-03-19 2023-08-16 Panasonic Intellectual Property Corporation of America Transmission device, receiving device, transmission method, and receiving method
CN104348774B (zh) * 2013-07-31 2017-11-28 华为技术有限公司 接入信道的方法和设备
CN106487434B (zh) * 2015-08-24 2020-01-24 电信科学技术研究院 一种预编码矩阵确定方法及装置
US10389426B2 (en) * 2017-04-25 2019-08-20 Samsung Electronics Co., Ltd. Method and apparatus for higher rank CSI reporting in advanced wireless communication systems
CN109150270B (zh) * 2017-06-28 2021-01-05 华为技术有限公司 信道状态信息反馈和接收方法、发送端设备和接收端设备
CN109495972A (zh) * 2017-09-10 2019-03-19 株式会社Ntt都科摩 发送上行控制信息的方法和移动台
US11476901B2 (en) * 2018-04-27 2022-10-18 Samsung Electronics Co., Ltd. Method and apparatus to enable CSI reporting based on non-uniform space-frequency compression
CN110875762A (zh) * 2018-09-03 2020-03-10 华为技术有限公司 参数配置方法和装置

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TWI467971B (zh) * 2006-10-26 2015-01-01 Qualcomm Inc 於多重存取無線通訊系統中編碼簿交換之方法及裝置
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Also Published As

Publication number Publication date
EP2996257A4 (en) 2016-11-30
RU2015144890A (ru) 2017-05-03
WO2014148862A1 (ko) 2014-09-25
CN105075141A (zh) 2015-11-18
CN105075141B (zh) 2018-12-07
EP2996257A1 (en) 2016-03-16
KR20150140638A (ko) 2015-12-16
MX2015013412A (es) 2016-01-08
US20170207842A1 (en) 2017-07-20
JP2016518751A (ja) 2016-06-23
KR102194926B1 (ko) 2020-12-24
EP2996257B1 (en) 2018-09-05
JP6464143B2 (ja) 2019-02-06
US9647738B2 (en) 2017-05-09
RU2621010C2 (ru) 2017-05-30
US20150365150A1 (en) 2015-12-17

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