CN111095832A - 计算信道质量指示cqi的方法、终端设备和网络设备 - Google Patents

计算信道质量指示cqi的方法、终端设备和网络设备 Download PDF

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Publication number
CN111095832A
CN111095832A CN201780094644.3A CN201780094644A CN111095832A CN 111095832 A CN111095832 A CN 111095832A CN 201780094644 A CN201780094644 A CN 201780094644A CN 111095832 A CN111095832 A CN 111095832A
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China
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port
ports
configuration information
configuration
terminal device
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Pending
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CN201780094644.3A
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English (en)
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史志华
陈文洪
张治�
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Guangdong Oppo Mobile Telecommunications Corp Ltd
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Guangdong Oppo Mobile Telecommunications Corp Ltd
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Priority to CN202010360773.6A priority Critical patent/CN111525949B/zh
Publication of CN111095832A publication Critical patent/CN111095832A/zh
Pending legal-status Critical Current

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/30—Monitoring; Testing of propagation channels
    • H04B17/309—Measuring or estimating channel quality parameters
    • H04B17/345—Interference values
    • 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
    • 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
    • H04B7/0621—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
    • H04B7/0621—Feedback content
    • H04B7/063—Parameters other than those covered in groups H04B7/0623 - H04B7/0634, e.g. channel matrix rank or transmit mode selection
    • 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
    • H04B7/0632—Channel quality parameters, e.g. channel quality indicator [CQI]
    • 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
    • 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
    • H04L5/005—Allocation of pilot signals, i.e. of signals known to the receiver of common pilots, i.e. pilots destined for multiple users or terminals
    • 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
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/20—Manipulation of established connections
    • H04W76/27—Transitions between radio resource control [RRC] states

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Quality & Reliability (AREA)
  • Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Electromagnetism (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)

Abstract

本申请公开了一种计算CQI的方法、终端设备和网络设备，该方法包括：终端设备在N个端口中确定用于计算信道质量指示CQI的K个端口；终端设备基于所述K个端口计算所述CQI；终端设备向网络设备上报所述CQI和秩，其中，所述秩等于K。因此，终端设备基于N个端口中的K个端口计算CQI，可以获得更精确的CQI，从而提升通信性能。

Description

PCT国内申请，说明书已公开。

Claims (56)

  1. PCT国内申请，权利要求书已公开。
CN201780094644.3A 2017-09-30 2017-09-30 计算信道质量指示cqi的方法、终端设备和网络设备 Pending CN111095832A (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010360773.6A CN111525949B (zh) 2017-09-30 2017-09-30 计算信道质量指示cqi的方法、终端设备和网络设备

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2017/105000 WO2019061494A1 (zh) 2017-09-30 2017-09-30 计算信道质量指示cqi的方法、终端设备和网络设备

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US (2) US10868606B2 (zh)
EP (2) EP3691155B1 (zh)
JP (2) JP7171711B2 (zh)
KR (1) KR102378981B1 (zh)
CN (2) CN111525949B (zh)
AU (1) AU2017433231B2 (zh)
BR (1) BR112020006103A2 (zh)
CA (1) CA3076842C (zh)
DK (1) DK3691155T3 (zh)
ES (1) ES2910991T3 (zh)
MX (1) MX2020003147A (zh)
RU (1) RU2749089C1 (zh)
SG (1) SG11202002609XA (zh)
TW (1) TWI771502B (zh)
WO (1) WO2019061494A1 (zh)

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CA3138371A1 (en) * 2019-06-07 2020-12-10 Michel Fattouche A novel communication system of high capacity
CN115412139A (zh) * 2021-05-28 2022-11-29 华为技术有限公司 一种信道信息上报方法及相关装置

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CN102291213B (zh) * 2011-08-15 2017-06-16 中兴通讯股份有限公司 一种计算信道质量指示信息的终端及方法
CN103220068B (zh) * 2012-01-19 2018-10-26 中兴通讯股份有限公司 信道状态信息处理方法、装置及系统
CN103391126B (zh) * 2012-05-11 2016-08-10 电信科学技术研究院 一种子带信道信息的周期反馈方法、装置及系统
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Publication number Publication date
CA3076842A1 (en) 2019-04-04
EP3691155A1 (en) 2020-08-05
KR102378981B1 (ko) 2022-03-24
BR112020006103A2 (pt) 2020-09-29
AU2017433231B2 (en) 2022-12-22
CA3076842C (en) 2022-08-02
TW201916622A (zh) 2019-04-16
CN111525949B (zh) 2022-10-18
TWI771502B (zh) 2022-07-21
DK3691155T3 (da) 2022-04-11
WO2019061494A1 (zh) 2019-04-04
US20200220601A1 (en) 2020-07-09
EP4020862A1 (en) 2022-06-29
US20200382193A1 (en) 2020-12-03
RU2749089C1 (ru) 2021-06-04
JP7171711B2 (ja) 2022-11-15
KR20200064992A (ko) 2020-06-08
SG11202002609XA (en) 2020-04-29
CN111525949A (zh) 2020-08-11
JP2021500776A (ja) 2021-01-07
AU2017433231A1 (en) 2020-04-09
MX2020003147A (es) 2020-07-29
US11984956B2 (en) 2024-05-14
ES2910991T3 (es) 2022-05-17
EP3691155B1 (en) 2022-03-09
JP2023022023A (ja) 2023-02-14
US10868606B2 (en) 2020-12-15

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