CN109417462A - 用于降低密度csi-rs的机制 - Google Patents

用于降低密度csi-rs的机制 Download PDF

Info

Publication number
CN109417462A
CN109417462A CN201780043243.5A CN201780043243A CN109417462A CN 109417462 A CN109417462 A CN 109417462A CN 201780043243 A CN201780043243 A CN 201780043243A CN 109417462 A CN109417462 A CN 109417462A
Authority
CN
China
Prior art keywords
csi
wireless device
prbs
subset
measure
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
Application number
CN201780043243.5A
Other languages
English (en)
Chinese (zh)
Inventor
S.姆鲁加纳桑
高世伟
R.M.哈里森
M.弗瑞尼
S.格兰特
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
Priority to CN202311113467.2A priority Critical patent/CN117176221A/zh
Publication of CN109417462A publication Critical patent/CN109417462A/zh
Pending legal-status Critical Current

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
    • H04B7/06—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
    • H04B7/0413—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
    • 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)
CN201780043243.5A 2016-05-13 2017-05-15 用于降低密度csi-rs的机制 Pending CN109417462A (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202311113467.2A CN117176221A (zh) 2016-05-13 2017-05-15 用于降低密度csi-rs的机制

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201662335989P 2016-05-13 2016-05-13
US62/335989 2016-05-13
PCT/SE2017/050502 WO2017196253A1 (en) 2016-05-13 2017-05-15 Mechanisms for reduced density csi-rs

Related Child Applications (1)

Application Number Title Priority Date Filing Date
CN202311113467.2A Division CN117176221A (zh) 2016-05-13 2017-05-15 用于降低密度csi-rs的机制

Publications (1)

Publication Number Publication Date
CN109417462A true CN109417462A (zh) 2019-03-01

Family

ID=58995204

Family Applications (2)

Application Number Title Priority Date Filing Date
CN201780043243.5A Pending CN109417462A (zh) 2016-05-13 2017-05-15 用于降低密度csi-rs的机制
CN202311113467.2A Pending CN117176221A (zh) 2016-05-13 2017-05-15 用于降低密度csi-rs的机制

Family Applications After (1)

Application Number Title Priority Date Filing Date
CN202311113467.2A Pending CN117176221A (zh) 2016-05-13 2017-05-15 用于降低密度csi-rs的机制

Country Status (13)

Country Link
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)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
CN115473614A (zh) * 2021-06-11 2022-12-13 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

Families Citing this family (30)

* 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
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
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

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101340234A (zh) * 2008-05-09 2009-01-07 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
CN102118868A (zh) * 2009-12-31 2011-07-06 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
US20120243500A1 (en) * 2010-06-01 2012-09-27 Texas Instruments Incorporated Multi-Cell Channel State Information-Reference Symbol Patterns for Long Term Evolution Extended Cyclic Prefix and Code Division Multiplexing-Time Multiplexing
CN103873124A (zh) * 2012-12-17 2014-06-18 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
CN103999528A (zh) * 2011-09-30 2014-08-20 交互数字专利控股公司 使用减少的信道带宽的设备通信
CN104303557A (zh) * 2012-05-11 2015-01-21 英特尔公司 用于使用参考信号接收质量(rsrq)的切换增强的用户设备和方法
CN104604283A (zh) * 2012-08-30 2015-05-06 Lg电子株式会社 在无线通信系统中估计信道的方法和设备
CN104735691A (zh) * 2013-12-20 2015-06-24 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

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9031008B2 (en) 2009-10-30 2015-05-12 Samsung Electronics Co., Ltd. Methods and apparatus for multi-user MIMO transmissions in wireless communication systems
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
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
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
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
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
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

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101340234A (zh) * 2008-05-09 2009-01-07 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
CN102118868A (zh) * 2009-12-31 2011-07-06 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
US20120243500A1 (en) * 2010-06-01 2012-09-27 Texas Instruments Incorporated Multi-Cell Channel State Information-Reference Symbol Patterns for Long Term Evolution Extended Cyclic Prefix and Code Division Multiplexing-Time Multiplexing
CN103999528A (zh) * 2011-09-30 2014-08-20 交互数字专利控股公司 使用减少的信道带宽的设备通信
CN104303557A (zh) * 2012-05-11 2015-01-21 英特尔公司 用于使用参考信号接收质量(rsrq)的切换增强的用户设备和方法
CN104604283A (zh) * 2012-08-30 2015-05-06 Lg电子株式会社 在无线通信系统中估计信道的方法和设备
CN103873124A (zh) * 2012-12-17 2014-06-18 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
CN104735691A (zh) * 2013-12-20 2015-06-24 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

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
ERICSSON: "CSl-RS Design for Class A eFD-MIMO", 《3GPP R1-163079》 *
ZTE: "Enhancements on Beamformed CSl-RS", 《3GPP R1-162346》 *
赵晴: "LTE-Advanced下行导频设计及其在CoMP中的应用研究", 《中国优秀硕士学位论文全文数据库信息科技辑》 *

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
CN115473614A (zh) * 2021-06-11 2022-12-13 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

Also Published As

Publication number Publication date
EP3455992A1 (en) 2019-03-20
US20250023612A1 (en) 2025-01-16
KR102402529B1 (ko) 2022-05-27
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
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

Similar Documents

Publication Publication Date Title
US12088381B2 (en) Mechanisms for reduced density CSI-RS
CN109565325B (zh) 用于无线系统中的波束测量和管理的方法和设备
US11757590B2 (en) Method and apparatus for transmitting reference signal in mobile communication system
US11108515B2 (en) Method and apparatus for transmitting reference signal in mobile communication system
KR102401000B1 (ko) 대규모 안테나 시스템에서 자원 할당 장치 및 방법
CN108370266B (zh) 在无线通信系统中发送和接收信道状态信息的方法和设备
US10454555B2 (en) Channel state information feedback method and apparatus for 2-dimensional massive MIMO communication system
KR101721538B1 (ko) 엘티이 어드밴스 시스템에서 리소스 블록 번들링을 가능하게 하기 위한 방법 및 시스템
US9025574B2 (en) Methods of channel state information feedback and transmission in coordinated multi-point wireless communications system
EP3522402B1 (en) Method and apparatus for measuring channel in wireless communication system
US20250125843A1 (en) Methods and apparatuses for port index signaling for non-precoder matrix indicator (pmi) channel state information (csi) feedback
CN118101013A (zh) 用于高级无线通信系统中的基于资源的csi获取的方法和装置
CN117498905A (zh) 无线通信系统中的csi报告的码本子集约束的方法和装置
CN109196905A (zh) 用于灵活的信道状态信息-参考信号传送的系统和方法
CN110176949A (zh) 数据发送方法、信令发送方法、装置及系统
KR20110120806A (ko) 제어정보의 전송방법 및 기지국과, 제어정보의 수신방법 및 사용자기기
KR20110010538A (ko) ＣｏＭＰ 참조신호 송수신 방법
CN103716132B (zh) 一种下行控制信息的处理装置及方法
US20150208400A1 (en) Control information processing method and device
US20190058557A1 (en) Cdm8 based csi-rs designs for mimo
CN106255222A (zh) 无线通信系统、ue信息发送方法和基站信息接收方法
CN108365933A (zh) 一种发送参考信号的方法及装置
HK40005399A (en) Mechanisms for reduced density csi-rs

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
REG Reference to a national code

Ref country code: HK

Ref legal event code: DE

Ref document number: 40005399

Country of ref document: HK

RJ01 Rejection of invention patent application after publication

Application publication date: 20190301

RJ01 Rejection of invention patent application after publication