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 PDFInfo
- 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
- Authority
- CN
- China
- Prior art keywords
- csi
- terminal device
- difference
- downlink data
- terminal equipment
- Prior art date
- Legal status (The legal status 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 status listed.)
- Pending
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Classifications
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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]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
- H04W28/02—Traffic management, e.g. flow control or congestion control
- H04W28/06—Optimizing the usage of the radio link, e.g. header compression, information sizing, discarding information
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- 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
- H04L1/0015—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the adaptation strategy
- H04L1/0017—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the adaptation strategy where the mode-switching is based on Quality of Service requirement
- H04L1/0018—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the adaptation strategy where the mode-switching is based on Quality of Service requirement based on latency requirement
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- 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
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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
-
- 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 signaling, 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 signaling, 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 signaling, 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
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)
- PCT国内申请,权利要求书已公开。
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 |
Family
ID=69888209
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
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 (6)
Country | Link |
---|---|
EP (1) | EP3855798A4 (zh) |
KR (1) | KR20210061387A (zh) |
CN (1) | CN113475111A (zh) |
AU (1) | AU2018442267A1 (zh) |
TW (1) | TW202037201A (zh) |
WO (1) | WO2020056775A1 (zh) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
WO2022236609A1 (zh) * | 2021-05-10 | 2022-11-17 | 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 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
CN105099967B (zh) * | 2014-05-23 | 2020-10-23 | 三星电子株式会社 | 用于蜂窝通信系统中的设备及其方法 |
US9590713B2 (en) * | 2014-06-23 | 2017-03-07 | Intel Corporation | User equipment and methods for CSI enhancements using interference cancellation and suppression receivers |
US10200168B2 (en) * | 2015-08-27 | 2019-02-05 | Futurewei Technologies, Inc. | Systems and methods for adaptation in a wireless network |
-
2018
- 2018-09-21 EP EP18934503.6A patent/EP3855798A4/en active Pending
- 2018-09-21 CN CN201880097770.9A patent/CN113475111A/zh active Pending
- 2018-09-21 KR KR1020217011280A patent/KR20210061387A/ko not_active Application Discontinuation
- 2018-09-21 AU AU2018442267A patent/AU2018442267A1/en not_active Abandoned
- 2018-09-21 WO PCT/CN2018/107124 patent/WO2020056775A1/zh unknown
-
2019
- 2019-09-18 TW TW108133690A patent/TW202037201A/zh unknown
Also Published As
Publication number | Publication date |
---|---|
EP3855798A4 (en) | 2021-10-13 |
US20210211175A1 (en) | 2021-07-08 |
TW202037201A (zh) | 2020-10-01 |
KR20210061387A (ko) | 2021-05-27 |
WO2020056775A1 (zh) | 2020-03-26 |
AU2018442267A1 (en) | 2021-05-20 |
EP3855798A1 (en) | 2021-07-28 |
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