ES2918008T3 - Mecanismos para CSI-RS de densidad reducida - Google Patents

Mecanismos para CSI-RS de densidad reducida Download PDF

Info

Publication number
ES2918008T3
ES2918008T3 ES17727745T ES17727745T ES2918008T3 ES 2918008 T3 ES2918008 T3 ES 2918008T3 ES 17727745 T ES17727745 T ES 17727745T ES 17727745 T ES17727745 T ES 17727745T ES 2918008 T3 ES2918008 T3 ES 2918008T3
Authority
ES
Spain
Prior art keywords
csi
wireless device
subset
prbs
prb
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.)
Active
Application number
ES17727745T
Other languages
English (en)
Spanish (es)
Inventor
Siva Muruganathan
Shiwei Gao
Robert Mark Harrison
Mattias Frenne
Stephen Grant
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.)
Telefonaktiebolaget LM Ericsson AB
Original Assignee
Telefonaktiebolaget LM Ericsson AB
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 Telefonaktiebolaget LM Ericsson AB filed Critical Telefonaktiebolaget LM Ericsson AB
Application granted granted Critical
Publication of ES2918008T3 publication Critical patent/ES2918008T3/es
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • H04B7/0413—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
    • H04B7/06—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
    • H04B7/0617—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 for beam forming
    • 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
    • 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
    • H04L5/0014—Three-dimensional division
    • H04L5/0023—Time-frequency-space
    • 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
    • H04L5/0091—Signalling for the administration of the divided path, e.g. signalling of configuration information
    • 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
    • H04W72/04—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

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
  • Vibration Prevention Devices (AREA)
ES17727745T 2016-05-13 2017-05-15 Mecanismos para CSI-RS de densidad reducida Active ES2918008T3 (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201662335989P 2016-05-13 2016-05-13
PCT/SE2017/050502 WO2017196253A1 (en) 2016-05-13 2017-05-15 Mechanisms for reduced density csi-rs

Publications (1)

Publication Number Publication Date
ES2918008T3 true ES2918008T3 (es) 2022-07-13

Family

ID=58995204

Family Applications (1)

Application Number Title Priority Date Filing Date
ES17727745T Active ES2918008T3 (es) 2016-05-13 2017-05-15 Mecanismos para CSI-RS de densidad reducida

Country Status (13)

Country Link
US (4) US10833747B2 (enExample)
EP (1) EP3455992B1 (enExample)
JP (2) JP6987788B2 (enExample)
KR (1) KR102402529B1 (enExample)
CN (2) CN117176221A (enExample)
BR (1) BR112018073443A2 (enExample)
CL (1) CL2018003222A1 (enExample)
DK (1) DK3455992T3 (enExample)
ES (1) ES2918008T3 (enExample)
MY (1) MY195171A (enExample)
PL (1) PL3455992T3 (enExample)
RU (2) RU2761248C2 (enExample)
WO (1) WO2017196253A1 (enExample)

Families Citing this family (33)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017136068A1 (en) * 2016-02-03 2017-08-10 Intel Corporation Csi (channel state information)-rs (reference signal) overhead reduction for class b fd (full dimensional)-mimo (multiple input multiple output) systems
CN107733540B (zh) * 2016-08-12 2021-06-15 华为技术有限公司 测量的方法和装置
WO2018057494A1 (en) 2016-09-21 2018-03-29 Intel Corporation Reduced csi (channel state information)-rs (reference signal) density support for fd (full dimensional)-mimo (multiple input multiple output) systems
KR102280088B1 (ko) * 2016-09-30 2021-07-22 텔레호낙티에볼라게트 엘엠 에릭슨(피유비엘) Mimo를 위한 cdm8 기반 csi-rs 설계들
US10321421B2 (en) * 2016-11-03 2019-06-11 Futurewei Technologies, Inc. System and method for synchronization and link acquisition in cellular wireless systems with directional antennas
WO2018098802A1 (en) 2016-12-02 2018-06-07 Qualcomm Incorporated Transmitting channel state information reference signals in new radio
EP3566362B1 (en) * 2017-01-05 2025-01-29 Nokia Technologies Oy Reference signal patterns
WO2018128574A1 (en) * 2017-01-05 2018-07-12 Telefonaktiebolaget Lm Ericsson (Publ) Device and node in a wireless communication system for transmitting uplink control information
CN114050854A (zh) 2017-06-16 2022-02-15 中兴通讯股份有限公司 一种无线通信方法和装置
CN109672514B (zh) * 2017-08-11 2020-07-14 华为技术有限公司 发送和接收参考信号的方法、网络设备、终端设备和系统
EP3468061A1 (en) * 2017-10-03 2019-04-10 Panasonic Intellectual Property Corporation of America Signaling aspects for indication of co-scheduled dmrs ports in mu-mimo
US10827499B2 (en) * 2017-10-30 2020-11-03 Qualcomm Incorporated Techniques and apparatuses for prioritization for transmission power control in 5G
WO2019095309A1 (zh) * 2017-11-17 2019-05-23 华为技术有限公司 信道状态信息的反馈方法、通信装置和系统
CN108616345B (zh) * 2017-11-25 2019-03-26 华为技术有限公司 一种参考信号的配置方法和装置
US20190386771A1 (en) * 2018-06-13 2019-12-19 Qualcomm Incorporated Channel state information measurement and feedback for transmission mode switching
US11265890B2 (en) * 2018-08-17 2022-03-01 Qualcomm Incorporated Resource rate matching for remote interference management
US11956043B2 (en) * 2018-09-21 2024-04-09 Lg Electronics Inc. Method for reporting channel state information in wireless communication system, and device for same
CN110971339B (zh) 2018-09-28 2021-04-27 维沃移动通信有限公司 一种信息传输方法及终端
US11722269B2 (en) * 2018-10-03 2023-08-08 Telefonaktiebolaget Lm Ericsson (Publ) Compressing user data transmitted between a lower layer split central unit and a radio unit using bitmap representations
US11166186B2 (en) * 2018-11-02 2021-11-02 Samsung Electronics Co., Ltd. Method and apparatus for channel and interference measurement and reporting
CN111741474B (zh) 2019-03-25 2022-02-11 华为技术有限公司 一种信道状态信息的测量方法、装置及网络侧设备
WO2021062608A1 (zh) * 2019-09-30 2021-04-08 华为技术有限公司 用于确定信道状态信息参考信号资源映射的方法及装置
WO2021175634A1 (en) * 2020-03-06 2021-09-10 Nokia Technologies Oy Improving precoding
WO2021253210A1 (en) * 2020-06-16 2021-12-23 Qualcomm Incorporated Methods and apparatus for space-frequency-time diversity
WO2022027577A1 (en) * 2020-08-07 2022-02-10 Qualcomm Incorporated Port specific channel state information (csi) reference signal frequency domain density (fdd) for fdd reciprocity csi reporting
WO2022094972A1 (en) * 2020-11-06 2022-05-12 Qualcomm Incorporated Methods for csi-rs resource aggregation
WO2022151561A1 (en) * 2021-01-15 2022-07-21 Apple Inc. Csi-rs enhancement for port selection codebook with channel reciprocity
US12375137B2 (en) * 2021-02-01 2025-07-29 Ntt Docomo, Inc. Base station and terminal
US11665555B2 (en) * 2021-05-24 2023-05-30 Qualcomm Incorporated Reciprocity report for wireless communications systems
CN115473614B (zh) * 2021-06-11 2024-08-02 中国移动通信有限公司研究院 一种csi上报方法及装置、终端设备、网络设备
EP4156588A3 (en) * 2021-09-07 2023-07-05 Samsung Electronics Co., Ltd. Wireless communication device for transmitting and receiving reference signals and operating method thereof
JPWO2023135801A1 (enExample) * 2022-01-17 2023-07-20
WO2025010527A1 (en) * 2023-07-07 2025-01-16 Qualcomm Incorporated Performance monitoring associated with low-density reference signal patterns

Family Cites Families (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101340234B (zh) * 2008-05-09 2013-12-11 中兴通讯股份有限公司 一种用于映射物理随机接入信道的方法
US9031008B2 (en) 2009-10-30 2015-05-12 Samsung Electronics Co., Ltd. Methods and apparatus for multi-user MIMO transmissions in wireless communication systems
CN102118868B (zh) * 2009-12-31 2015-10-21 中兴通讯股份有限公司 多点协作传输中协作测量集合内小区资源映射方法及系统
KR101754970B1 (ko) * 2010-01-12 2017-07-06 삼성전자주식회사 무선 통신 시스템의 채널 상태 측정 기준신호 처리 장치 및 방법
US20130094411A1 (en) 2010-02-17 2013-04-18 Zte Corporation Methods and systems for csi-rs transmission in lte-advance systems
US8654734B2 (en) * 2010-06-01 2014-02-18 Texas Instruments Incorporated Multi-cell channel state information-reference symbol patterns for long term evolution extended cyclic prefix and code division multiplexing-time multiplexing
CN103733676B (zh) * 2011-08-12 2018-01-05 交互数字专利控股公司 无线网络中的干扰测量
CN102938688B (zh) * 2011-08-15 2015-05-27 上海贝尔股份有限公司 用于多维天线阵列的信道测量和反馈的方法和设备
WO2013049768A1 (en) * 2011-09-30 2013-04-04 Interdigital Patent Holdings, Inc. Device communication using a reduced channel bandwidth
CN113225172B (zh) * 2012-01-27 2024-05-24 交互数字专利控股公司 由WTRU执行的用于ePDCCH的方法
US9130688B2 (en) * 2012-05-11 2015-09-08 Intel Corporation User equipment and methods for handover enhancement using reference signal received quality (RSRQ)
JP6014264B2 (ja) * 2012-08-30 2016-10-25 エルジー エレクトロニクス インコーポレイティド 無線通信システムにおいてチャネルを推定する方法および装置
EP2899909B1 (en) * 2012-09-26 2021-04-14 Huawei Technologies Co., Ltd. Channel state information measurement method, device and system
ES2690361T3 (es) * 2012-11-12 2018-11-20 Huawei Technologies Co., Ltd. Procedimiento para la notificación de información de estado del canal, equipo de usuario y estación base del mismo
CN103873124B (zh) * 2012-12-17 2019-06-21 北京三星通信技术研究有限公司 一种移动终端及其信道状态信息测量参考信号的测量方法
WO2014113546A1 (en) * 2013-01-16 2014-07-24 Interdigital Patent Holdings, Inc. Improved uplink spectrum efficiency
CN103944685B (zh) * 2013-01-18 2017-10-10 华为技术有限公司 扩展参考信号的方法、设备和通信系统
US9521637B2 (en) * 2013-02-14 2016-12-13 Blackberry Limited Small cell demodulation reference signal and initial synchronization
CN104038320B (zh) * 2013-03-04 2019-03-01 中兴通讯股份有限公司 资源映射、接收方法及装置、信令通知、获取方法及装置
WO2014193070A1 (en) * 2013-05-30 2014-12-04 Lg Electronics Inc. Reference signals extension for massive mimo system
CN110545134B (zh) * 2013-12-20 2022-10-21 北京三星通信技术研究有限公司 信道状态信息汇报的方法及装置
CN112383337B (zh) * 2015-04-10 2023-11-03 阿里斯卡尔股份有限公司 发送csi-rs的方法和报告csi的方法
US10693499B2 (en) 2016-01-19 2020-06-23 Industry-Academic Cooperation Foundation, Yonsei University Apparatus and method for LDPC encoding suitable for highly reliable and low latency communication
WO2017136068A1 (en) * 2016-02-03 2017-08-10 Intel Corporation Csi (channel state information)-rs (reference signal) overhead reduction for class b fd (full dimensional)-mimo (multiple input multiple output) systems
US20190036574A1 (en) * 2016-04-01 2019-01-31 Intel IP Corporation Csi feedback for open loop fd-mimo transmission
CN109196905B (zh) * 2016-04-01 2023-04-07 瑞典爱立信有限公司 用于灵活的信道状态信息-参考信号传送的系统和方法

Also Published As

Publication number Publication date
MY195171A (en) 2023-01-11
EP3455992B1 (en) 2022-04-13
CL2018003222A1 (es) 2019-02-01
US20200389219A1 (en) 2020-12-10
KR20190005999A (ko) 2019-01-16
US20250023612A1 (en) 2025-01-16
US20230283345A1 (en) 2023-09-07
RU2018144016A (ru) 2020-06-15
RU2020141967A3 (enExample) 2021-10-28
US12088381B2 (en) 2024-09-10
RU2018144016A3 (enExample) 2020-06-25
RU2020141967A (ru) 2020-12-28
RU2761248C2 (ru) 2021-12-06
WO2017196253A1 (en) 2017-11-16
JP2022043084A (ja) 2022-03-15
CN109417462A (zh) 2019-03-01
JP6987788B2 (ja) 2022-01-05
EP3455992A1 (en) 2019-03-20
RU2739498C2 (ru) 2020-12-24
JP7250893B2 (ja) 2023-04-03
BR112018073443A2 (pt) 2019-03-26
US20190372641A1 (en) 2019-12-05
US11683079B2 (en) 2023-06-20
US10833747B2 (en) 2020-11-10
KR102402529B1 (ko) 2022-05-27
DK3455992T3 (da) 2022-05-02
CN117176221A (zh) 2023-12-05
JP2019522396A (ja) 2019-08-08
PL3455992T3 (pl) 2022-09-19

Similar Documents

Publication Publication Date Title
ES2918008T3 (es) Mecanismos para CSI-RS de densidad reducida
US11811702B2 (en) System and method for flexible channel state information-reference signal transmission
US11750445B2 (en) Configuring measurement reference signals for MIMO
ES2943908T3 (es) Retroalimentación de CSI de resolución múltiple
ES2922798T3 (es) Mediciones de interferencia y retroalimentación de la información de estado de canal para múltiples entradas, múltiples salidas de múltiples usuarios
CN105471552B (zh) 一种数据传输方法和设备
EP3711207B1 (en) Methods and apparatuses for port index signaling for non-precoder matrix indicator (pmi) channel state information (csi) feedback
EP3627881B1 (en) Sending an index of a precoder cycling parameter group to a terminal device
JP2018533865A (ja) Ｃｓｉ報告のためのｃｓｉ−ｒｓポート選択のための方法及びシステム
BR112015015892B1 (pt) Método de relatório ou recepção de informação de estado de canal, equipamento de usuário, e estação base
EP4072058B1 (en) Cdm8 based csi-rs designs for mimo
HK40005399A (en) Mechanisms for reduced density csi-rs
OA19013A (en) Mechanisms for reduced density Csi-Rs.