KR102402529B1 - 감소된 밀도 csi-rs를 위한 메커니즘들 - Google Patents

감소된 밀도 csi-rs를 위한 메커니즘들 Download PDF

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KR102402529B1
KR102402529B1 KR1020187036221A KR20187036221A KR102402529B1 KR 102402529 B1 KR102402529 B1 KR 102402529B1 KR 1020187036221 A KR1020187036221 A KR 1020187036221A KR 20187036221 A KR20187036221 A KR 20187036221A KR 102402529 B1 KR102402529 B1 KR 102402529B1
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csi
prbs
wireless device
subset
measure
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KR20190005999A (ko
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시바 무루가나탄
스웨이 가오
로버트 마크 해리슨
마티아스 프렌네
스티븐 그랜트
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텔레호낙티에볼라게트 엘엠 에릭슨(피유비엘)
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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
    • H04B7/0413—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

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  • 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)
KR1020187036221A 2016-05-13 2017-05-15 감소된 밀도 csi-rs를 위한 메커니즘들 Active KR102402529B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201662335989P 2016-05-13 2016-05-13
US62/335,989 2016-05-13
PCT/SE2017/050502 WO2017196253A1 (en) 2016-05-13 2017-05-15 Mechanisms for reduced density csi-rs

Publications (2)

Publication Number Publication Date
KR20190005999A KR20190005999A (ko) 2019-01-16
KR102402529B1 true KR102402529B1 (ko) 2022-05-27

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US (4) US10833747B2 (enExample)
EP (1) EP3455992B1 (enExample)
JP (2) JP6987788B2 (enExample)
KR (1) KR102402529B1 (enExample)
CN (2) CN109417462A (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) RU2739498C2 (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
US11483842B2 (en) * 2016-02-03 2022-10-25 Apple Inc. 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
US11368963B2 (en) * 2016-09-21 2022-06-21 Apple Inc. Reduced CSI (channel state information)-RS (reference signal) density support for FD (full dimensional)-MIMO (multiple input multiple output) systems
KR20210092329A (ko) * 2016-09-30 2021-07-23 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
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
WO2018127265A1 (en) * 2017-01-05 2018-07-12 Nokia Technologies Oy Reference signal patterns
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
CN107911203B (zh) * 2017-08-11 2023-11-14 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
EP3697128B1 (en) * 2017-11-17 2024-04-03 Huawei Technologies Co., Ltd. Channel state information feedback method, communication device, and system
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
WO2020060377A1 (ko) * 2018-09-21 2020-03-26 엘지전자 주식회사 무선 통신 시스템에서 채널 상태 정보를 보고하는 방법 및 이를 위한 장치
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
JP7231722B2 (ja) 2018-10-03 2023-03-01 テレフオンアクチーボラゲット エルエム エリクソン（パブル） ビットマップ表現を使用した下位レイヤスプリット中央ユニットと無線ユニットとの間で送信されるユーザデータの圧縮
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
EP4115534A1 (en) * 2020-03-06 2023-01-11 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
US20240048325A1 (en) * 2020-11-06 2024-02-08 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
WO2022160344A1 (zh) * 2021-02-01 2022-08-04 株式会社Ntt都科摩 基站和终端
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
KR20140099917A (ko) * 2011-08-12 2014-08-13 인터디지탈 패튼 홀딩스, 인크 무선 네트워크들에서의 간섭 측정
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
JP6122855B2 (ja) * 2011-09-30 2017-04-26 インターデイジタル パテント ホールディングス インコーポレイテッド 縮小されたチャネル帯域幅を使用するデバイス通信
WO2013112972A1 (en) * 2012-01-27 2013-08-01 Interdigital Patent Holdings, Inc. Systems and/or methods for providing epdcch in a multiple carrier based and/or quasi-collated network
US9130688B2 (en) * 2012-05-11 2015-09-08 Intel Corporation User equipment and methods for handover enhancement using reference signal received quality (RSRQ)
US9787450B2 (en) * 2012-08-30 2017-10-10 Lg Electronics Inc. Method and apparatus for estimating channel in wireless communication system
WO2014047797A1 (zh) * 2012-09-26 2014-04-03 华为技术有限公司 信道状态信息的测量方法、设备及系统
EP3840241B1 (en) * 2012-11-12 2023-10-18 Huawei Technologies Co., Ltd. Method for reporting channel state information, user equipment, and base station
CN110138469B (zh) * 2012-12-17 2022-04-15 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
TW201440564A (zh) * 2013-01-16 2014-10-16 Interdigital Patent Holdings 改善上鏈頻譜效率
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
CN110545133B (zh) * 2013-12-20 2022-12-06 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
US11483842B2 (en) * 2016-02-03 2022-10-25 Apple Inc. CSI (channel state information)-RS (reference signal) overhead reduction for class B FD (full dimensional)-MIMO (multiple input multiple output) systems
WO2017171630A1 (en) * 2016-04-01 2017-10-05 Telefonaktiebolaget Lm Ericsson (Publ) System and method for flexible channel state information-reference signal transmission
WO2017172049A1 (en) * 2016-04-01 2017-10-05 Intel IP Corporation Csi feedback for open loop fd-mimo transmission

Non-Patent Citations (4)

* Cited by examiner, † Cited by third party
Title
3GPP R1-162345*
3GPP R1-162487
3GPP R1-162684*
3GPP R1-163079*

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EP3455992A1 (en) 2019-03-20
US20250023612A1 (en) 2025-01-16
JP6987788B2 (ja) 2022-01-05
US20230283345A1 (en) 2023-09-07
RU2018144016A3 (enExample) 2020-06-25
WO2017196253A1 (en) 2017-11-16
MY195171A (en) 2023-01-11
US10833747B2 (en) 2020-11-10
ES2918008T3 (es) 2022-07-13
US12088381B2 (en) 2024-09-10
RU2020141967A3 (enExample) 2021-10-28
RU2761248C2 (ru) 2021-12-06
US11683079B2 (en) 2023-06-20
RU2739498C2 (ru) 2020-12-24
BR112018073443A2 (pt) 2019-03-26
CN109417462A (zh) 2019-03-01
DK3455992T3 (da) 2022-05-02
US20200389219A1 (en) 2020-12-10
PL3455992T3 (pl) 2022-09-19
RU2018144016A (ru) 2020-06-15
CL2018003222A1 (es) 2019-02-01
RU2020141967A (ru) 2020-12-28
JP7250893B2 (ja) 2023-04-03
EP3455992B1 (en) 2022-04-13
CN117176221A (zh) 2023-12-05
JP2022043084A (ja) 2022-03-15
JP2019522396A (ja) 2019-08-08
KR20190005999A (ko) 2019-01-16
US20190372641A1 (en) 2019-12-05

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