CN113475111A - 反馈信息、接收信息的方法和设备 - Google Patents

反馈信息、接收信息的方法和设备 Download PDF

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Publication number
CN113475111A
CN113475111A CN201880097770.9A CN201880097770A CN113475111A CN 113475111 A CN113475111 A CN 113475111A CN 201880097770 A CN201880097770 A CN 201880097770A CN 113475111 A CN113475111 A CN 113475111A
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China
Prior art keywords
csi
terminal device
difference
downlink data
terminal equipment
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Pending
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CN201880097770.9A
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English (en)
Inventor
方昀
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangdong Oppo Mobile Telecommunications Corp Ltd
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Guangdong Oppo Mobile Telecommunications Corp Ltd
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Publication date
Application filed by Guangdong Oppo Mobile Telecommunications Corp Ltd filed Critical Guangdong Oppo Mobile Telecommunications Corp Ltd
Publication of CN113475111A publication Critical patent/CN113475111A/zh
Pending legal-status Critical Current

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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
    • H04B7/06—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
    • H04B7/0632—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
    • H04L1/0009—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the channel coding
    • 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
    • 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
    • H04L1/0028—Formatting
    • H04L1/0029—Reduction of the amount of signalling, e.g. retention of useful signalling or differential signalling
    • 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
    • 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
    • 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
    • H04L5/0053—Allocation of signalling, i.e. of overhead other than pilot signals
    • 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
    • H04L5/0053—Allocation of signalling, i.e. of overhead other than pilot signals
    • H04L5/0055—Physical resource allocation for ACK/NACK
    • 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
    • H04L5/0053—Allocation of signalling, i.e. of overhead other than pilot signals
    • H04L5/0057—Physical resource allocation for CQI
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/10—Scheduling measurement reports ; Arrangements for measurement reports
    • 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
    • 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
    • H04W72/231—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal the control data signalling from the layers above the physical layer, e.g. RRC or MAC-CE signalling
    • 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
    • H04W72/232—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal the control data signalling from the physical layer, e.g. DCI signalling

Landscapes

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

Abstract

提供了一种反馈信息、接收信息的方法和设备。所述方法包括：终端设备确定信道状态信息CSI；所述终端设备向网络设备发送所述CSI。本申请实施例中，终端设备通过快速反馈CSI，能够有效降低反馈开销，提高控制信道的可靠性。

Description

PCT国内申请，说明书已公开。

Claims (68)

  1. PCT国内申请，权利要求书已公开。
CN201880097770.9A 2018-09-21 2018-09-21 反馈信息、接收信息的方法和设备 Pending CN113475111A (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2018/107124 WO2020056775A1 (zh) 2018-09-21 2018-09-21 反馈信息、接收信息的方法和设备

Publications (1)

Publication Number Publication Date
CN113475111A true CN113475111A (zh) 2021-10-01

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CN201880097770.9A Pending CN113475111A (zh) 2018-09-21 2018-09-21 反馈信息、接收信息的方法和设备

Country Status (7)

Country Link
US (1) US12107648B2 (zh)
EP (1) EP3855798A4 (zh)
KR (1) KR20210061387A (zh)
CN (1) CN113475111A (zh)
AU (1) AU2018442267A1 (zh)
TW (1) TW202037201A (zh)
WO (1) WO2020056775A1 (zh)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116032419A (zh) * 2021-10-27 2023-04-28 华为技术有限公司 用于反馈信道状态的方法和装置

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WO2020056775A1 (zh) * 2018-09-21 2020-03-26 Oppo广东移动通信有限公司 反馈信息、接收信息的方法和设备
CN117016007A (zh) * 2021-05-10 2023-11-07 Oppo广东移动通信有限公司 信息报告方法、装置、设备及存储介质
CN115334534A (zh) * 2021-05-10 2022-11-11 华为技术有限公司 一种信道状态信息上报方法和装置
WO2024255035A1 (en) * 2023-06-13 2024-12-19 Huawei Technologies Co., Ltd. Communication method and communication apparatus

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US8020075B2 (en) * 2007-03-16 2011-09-13 Apple Inc. Channel quality index feedback reduction for broadband systems
CN102026280B (zh) * 2009-09-11 2014-12-31 中国移动通信集团公司 信道状态信息的反馈方法和设备
US8675794B1 (en) * 2009-10-13 2014-03-18 Marvell International Ltd. Efficient estimation of feedback for modulation and coding scheme (MCS) selection
DE102015209441A1 (de) * 2014-05-23 2015-12-10 Samsung Electronics Co., Ltd. Schema zum Senden eines Referenzsignals in einem drahtlosen Kommunikationssystem
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EP3183916A4 (en) * 2014-08-21 2018-02-21 Intel IP Corporation Devices and method using transmit power control and scheduling for lte unlicensed band operation
US10200168B2 (en) * 2015-08-27 2019-02-05 Futurewei Technologies, Inc. Systems and methods for adaptation in a wireless network
US10652902B2 (en) * 2016-03-31 2020-05-12 Huawei Technologies Co., Ltd. Method for measuring channel state information, network-side device, and user equipment
WO2018062874A1 (en) * 2016-09-29 2018-04-05 Samsung Electronics Co., Ltd. Method and apparatus for transmitting and receiving a signal in a wireless communication system using resource block structure
US10340989B2 (en) * 2016-12-09 2019-07-02 Samsung Electronics Co., Ltd. Codebook for CSI reporting in advanced wireless communication system
EP3579465B1 (en) * 2017-02-05 2022-03-02 LG Electronics Inc. Method for determining modulation and coding scheme in wireless communication system, and device therefor
EP3855640A1 (en) * 2017-08-09 2021-07-28 Lenovo (Singapore) Pte. Ltd. Method and apparatus for selecting an antenna port using received antenna port specific adjustments
KR20200064977A (ko) * 2017-10-13 2020-06-08 광동 오포 모바일 텔레커뮤니케이션즈 코포레이션 리미티드 데이터 전송 방법, 단말 기기 및 네트워크 기기
WO2020056775A1 (zh) * 2018-09-21 2020-03-26 Oppo广东移动通信有限公司 反馈信息、接收信息的方法和设备

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116032419A (zh) * 2021-10-27 2023-04-28 华为技术有限公司 用于反馈信道状态的方法和装置

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EP3855798A1 (en) 2021-07-28
EP3855798A4 (en) 2021-10-13
WO2020056775A1 (zh) 2020-03-26
TW202037201A (zh) 2020-10-01
US20210211175A1 (en) 2021-07-08
AU2018442267A1 (en) 2021-05-20
US12107648B2 (en) 2024-10-01
KR20210061387A (ko) 2021-05-27

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