WO2019029292A1 - 一种导频配置、信道测量方法及通信设备 - Google Patents
一种导频配置、信道测量方法及通信设备 Download PDFInfo
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- WO2019029292A1 WO2019029292A1 PCT/CN2018/093402 CN2018093402W WO2019029292A1 WO 2019029292 A1 WO2019029292 A1 WO 2019029292A1 CN 2018093402 W CN2018093402 W CN 2018093402W WO 2019029292 A1 WO2019029292 A1 WO 2019029292A1
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- H—ELECTRICITY
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- 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
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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
- H04L5/0053—Allocation of signaling, i.e. of overhead other than pilot signals
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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
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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
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/0001—Arrangements for dividing the transmission path
- H04L5/0003—Two-dimensional division
- H04L5/0005—Time-frequency
- H04L5/0007—Time-frequency the frequencies being orthogonal, e.g. OFDM(A), DMT
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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
- H04L5/0001—Arrangements for dividing the transmission path
- H04L5/0003—Two-dimensional division
- H04L5/0005—Time-frequency
- H04L5/0007—Time-frequency the frequencies being orthogonal, e.g. OFDM(A), DMT
- H04L5/001—Time-frequency the frequencies being orthogonal, e.g. OFDM(A), DMT the frequencies being arranged in component carriers
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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
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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
- H04L5/0053—Allocation of signaling, i.e. of overhead other than pilot signals
- H04L5/0057—Physical resource allocation for CQI
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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
- H04L5/0091—Signaling for the administration of the divided path
- H04L5/0094—Indication of how sub-channels of the path are allocated
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/02—Arrangements for optimising operational condition
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/08—Testing, supervising or monitoring using real traffic
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/04—Wireless resource allocation
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/04—Wireless resource allocation
- H04W72/044—Wireless resource allocation based on the type of the allocated resource
- H04W72/0446—Resources in time domain, e.g. slots or frames
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/04—Wireless resource allocation
- H04W72/044—Wireless resource allocation based on the type of the allocated resource
- H04W72/0453—Resources in frequency domain, e.g. a carrier in FDMA
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- 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
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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
- H04L5/0078—Timing of allocation
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Abstract
Description
Claims (16)
- 一种导频配置方法,应用于基站,其特征在于,包括:所述基站根据系统预定义的信道状态信息参考信号CSI-RS配置图样确定N端口CSI-RS的配置信息;其中,所述CSI-RS配置图样用于表征在以一个资源数据块PRB中的至少一个正交频分复用OFDM符号为时域单位时,针对不同端口的CSI-RS的RE在时隙中的时频位置的配置,所述配置信息中至少包括端口数和索引参数,所述端口数的值为N,所述索引参数用于指示N端口中每个端口的CSI-RS的资源单元RE在时隙中的时频位置,N为正整数;所述基站通过信令将所述配置信息传输给与所述基站连接的终端,并根据所述配置信息传输CSI-RS,以使所述终端根据所述配置信息及系统预定义的CSI-RS配置图样确定所述N端口CSI-RS的RE在时隙中的时频位置,并使用所述时频位置上的所述CSI-RS进行信道测量。
- 如权利要求1所述的方法,其特征在于,所述索引参数包括配置图样索引和OFDM符号索引,所述配置图样索引为根据所述系统预定义的CSI-RS配置图样确定的所述CSI-RS的RE在频域上的位置索引,所述OFDM符号索引用于指示所述CSI-RS的RE在时域上所对应的OFDM符号所在位置。
- 如权利要求2所述的方法,其特征在于,若N=1,2或4,所述基站根据系统预定义的CSI-RS配置图样确定N端口CSI-RS的配置信息,包括:所述基站根据系统预定义的CSI-RS配置图样确定N端口CSI-RS的RE在时隙中的索引参数;所述基站根据所述N端口的端口数和所述索引参数确定所述CSI-RS的配置信息。
- 如权利要求2所述的方法,其特征在于,若N≥8,则所述配置信息中还包括聚合参数,所述聚合参数用于表征所述N端口CSI-RS的RE在时隙中的聚合方式;所述基站根据系统预定义的CSI-RS配置图样确定N端口CSI-RS的配置信息,包括:所述基站确定所述N端口CSI-RS的聚合参数,并根据系统预定义的CSI-RS配置图样分别确定所述N端口CSI-RS的每个聚合部分的RE在时隙中的索引参数;所述基站根据所述N端口的端口数、所述索引参数和所述聚合参数确定所述CSI-RS的配置信息。
- 如权利要求4所述的方法,其特征在于,所述基站通过信令在向连接的终端传输所述配置信息中的索引参数时,包括:所述基站通过信令向所述终端传输包括所述N端口CSI-RS的全部RE的配置图样索引和OFDM符号索引;或所述基站通过信令向所述终端传输包括所述N端口CSI-RS的至少一个RE的配置图样索引和OFDM符号索引。
- 一种信道测量方法,应用于终端,其特征在于,包括:接收所述基站通过信令发送的N端口信道状态参考信号CSI-RS的配置信息,并根据所述配置信息接收所述基站发送的CSI-RS;其中,所述配置信息中至少包括端口数和索引参数,所述索引参数用于指示N端口中每个端口的CSI-RS的资源单元RE在时隙中的时频位置,N为正整数;所述终端根据所述配置信息以及系统预定义的CSI-RS配置图样确定所述N端口CSI-RS在时隙中的时频位置;其中,CSI-RS配置图样用于表征在以一个资源数据块PRB中的至少一个正交频分复用OFDM符号为时域单位时,针对不同端口的CSI-RS的RE在时隙中的时频位置的配置;所述终端使用所述时频位置上的CSI-RS进行信道测量。
- 如权利要求6所述的方法,其特征在于,若所述配置信息中还包括聚合参数,所述聚合参数用于表征所述N端口CSI-RS的RE在时隙中的聚合方式;所述终端根据所述配置信息以及系统预定义的CSI-RS配置图样确定所述N端口CSI-RS的RE在时隙中的时频位置,包括:所述终端根据所述端口数、所述聚合参数、所述索引参数以及系统预定义的CSI-RS配置图样确定所述N端口CSI-RS的每个聚合部分在时隙中的时频位置。
- 一种基站,其特征在于,包括:配置模块,用于根据系统预定义的信道状态信息参考信号CSI-RS配置图样确定N端口CSI-RS的配置信息;其中,所述CSI-RS配置图样用于表征在以一个资源数据块PRB中的至少一个正交频分复用OFDM符号为时域单位时,针对不同端口的CSI-RS的RE在时隙中的时频位置的配置,所述配置信息中至少包括端口数和索引参数,所述端口数的值为N,所述索引参数用于指示N端口中每个端口的CSI-RS的资源单元RE在时隙中的时频位置,N为正整数;传输模块,用于通过信令将所述配置信息传输给与所述基站连接的终端,并根据所述配置信息传输CSI-RS,以使所述终端根据所述配置信息及系统预定义的CSI-RS配置图样确定所述N端口CSI-RS的RE在时隙中的时频位置,并使用所述时频位置上的CSI-RS进行信道测量。
- 如权利要求8所述的基站,其特征在于,所述索引参数包括配置图样索引和OFDM符号索引,所述配置图样索引为根据所述系统预定义的CSI-RS配置图样确定的所述CSI-RS的RE在频域上的位置索引,所述OFDM符号索引用于指示所述CSI-RS的RE在时域上所对应的OFDM符号所在位置。
- 如权利要求9所述的基站,其特征在于,若N=1,2或4,所述配置模块包括:第一确定模块,用于根据系统预定义的CSI-RS配置图样确定所述CSI-RS的RE在时隙中的索引参数;第二确定模块,用于根据所述N端口的端口数和所述索引参数确定所述CSI-RS的配置信息。
- 如权利要求9所述的基站,其特征在于,若N≥8,则所述配置信息中还包括聚合参数,所述聚合参数用于表征所述N端口CSI-RS的RE在时隙中的聚合方式;所述配置模块包括:第三确定模块,用于确定所述N端口CSI-RS的聚合参数,并根据系统预定义的CSI-RS配置图样分别确定所述N端口CSI-RS的每个聚合部分的RE在时隙中的索引参数;第四确定模块,用于根据所述N端口的端口数、所述索引参数和所述聚合参数确定所述CSI-RS的配置信息。
- 如权利要求11所述的基站,其特征在于,所述传输模块在用于通过信令在向连接的终端传输所述配置信息中的索引参数时,具体用于:所述基站通过信令向所述终端传输包括所述N端口CSI-RS的全部RE的配置图样索引和OFDM符号索引;或所述基站通过信令向所述终端传输包括所述N端口CSI-RS的至少一个RE的配置图样索引和OFDM符号索引。
- 一种终端,其特征在于,包括:接收模块,用于接收所述基站通过信令发送的N端口信道状态参考信号CSI-RS的配置信息,并根据所述配置信息接收所述基站发送的CSI-RS;其中,所述配置信息中至少包括端口数和索引参数,所述索引参数用于指示所述CSI-RS的资源单元RE在时隙中的时频位置,N为正整数;确定模块,用于根据所述配置信息以及系统预定义的CSI-RS配置图样确定所述N端口CSI-RS的RE在时隙中的时频位置;其中,CSI-RS配置图样用于表征在以一个资源数据块PRB中的至少一个正交频分复用OFDM符号为时域单位时,针对不同端口的CSI-RS的RE在时隙中的时频位置的配置;测量模块,用于使用所述时频位置上的CSI-RS进行信道测量。
- 如权利要求13所述的终端,其特征在于,若配置信息中还包括聚合参数,所述聚合参数用于表征所述CSI-RS的RE在时隙中的聚合方式;所述确定模块用于根据所述端口数、所述聚合参数、所述索引参数以及系统预定义的CSI-RS配置图样确定所述N端口CSI-RS的每个聚合部分在时隙中的时频位置。
- 一种计算机装置,其特征在于,所述计算机装置包括处理器,所述处理器用于执行存储器中存储的计算机程序时实现如权利要求1-7中任一权项所述方法。
- 一种计算机可读存储介质,其特征在于,所述计算机可读存储介质存储有计算机指令,当所述指令在计算机上运行时,使得计算机执行如权利要求1-7中任一权项所述的方法。
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JP2020507538A JP2020530961A (ja) | 2017-08-10 | 2018-06-28 | パイロット構成方法、チャネル測定方法および通信装置 |
KR1020207006263A KR20200032211A (ko) | 2017-08-10 | 2018-06-28 | 파일럿 구성 방법, 채널 측정 방법 및 통신 장치 |
EP18844458.2A EP3667988A4 (en) | 2017-08-10 | 2018-06-28 | PILOT CONFIGURATION PROCESS, CHANNEL MEASUREMENT PROCESS AND COMMUNICATION DEVICE |
KR1020227003922A KR20220019855A (ko) | 2017-08-10 | 2018-06-28 | 파일럿 구성 방법, 채널 측정 방법 및 통신 장치 |
US16/637,752 US20210376976A1 (en) | 2017-08-10 | 2018-06-28 | Pilot configuration method, channel measurement method, and communication device |
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WO2017075836A1 (zh) * | 2015-11-06 | 2017-05-11 | 华为技术有限公司 | Csi-rs配置的方法及相关设备 |
WO2017105129A1 (ko) * | 2015-12-17 | 2017-06-22 | 엘지전자(주) | 무선 통신 시스템에서 채널 상태 정보 송수신 방법 및 이를 위한 장치 |
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US8743799B2 (en) * | 2010-06-24 | 2014-06-03 | Nokia Siemens Networks Oy | Change of rate matching modes in presence of channel state information reference signal transmission |
US9769807B2 (en) * | 2012-09-28 | 2017-09-19 | Telefonaktiebolaget Lm Ericsson (Publ) | User equipment, radio network node and methods therein |
CN105356978B (zh) * | 2014-08-21 | 2019-06-07 | 电信科学技术研究院 | 一种传输csi-rs的方法和设备 |
CN112491524B (zh) * | 2015-04-10 | 2024-02-23 | 阿里斯卡尔股份有限公司 | 发送csi-rs的基站和报告csi的用户设备 |
KR101779381B1 (ko) * | 2015-09-03 | 2017-10-10 | 엘지전자 주식회사 | 무선 통신 시스템에서 채널 상태 정보를 보고하기위한 방법 및 이를 위한 장치 |
CN106559199A (zh) * | 2015-09-25 | 2017-04-05 | 中兴通讯股份有限公司 | 一种配置信道状态测量导频的方法及装置 |
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2018
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- 2018-06-28 JP JP2020507538A patent/JP2020530961A/ja active Pending
- 2018-06-28 WO PCT/CN2018/093402 patent/WO2019029292A1/zh unknown
- 2018-06-28 EP EP18844458.2A patent/EP3667988A4/en active Pending
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- 2018-06-28 KR KR1020227003922A patent/KR20220019855A/ko not_active Application Discontinuation
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Also Published As
Publication number | Publication date |
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EP3667988A4 (en) | 2020-07-29 |
KR20220019855A (ko) | 2022-02-17 |
JP2020530961A (ja) | 2020-10-29 |
TW201911780A (zh) | 2019-03-16 |
EP3667988A1 (en) | 2020-06-17 |
US20210376976A1 (en) | 2021-12-02 |
KR20200032211A (ko) | 2020-03-25 |
CN109391411A (zh) | 2019-02-26 |
CN109391411B (zh) | 2021-03-02 |
TWI771466B (zh) | 2022-07-21 |
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