JP6659718B2 - 相反チャネルサウンディング基準信号の割振りおよび構成 - Google Patents

相反チャネルサウンディング基準信号の割振りおよび構成 Download PDF

Info

Publication number
JP6659718B2
JP6659718B2 JP2017547939A JP2017547939A JP6659718B2 JP 6659718 B2 JP6659718 B2 JP 6659718B2 JP 2017547939 A JP2017547939 A JP 2017547939A JP 2017547939 A JP2017547939 A JP 2017547939A JP 6659718 B2 JP6659718 B2 JP 6659718B2
Authority
JP
Japan
Prior art keywords
srs
base station
subframe
request
channel
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
JP2017547939A
Other languages
English (en)
Japanese (ja)
Other versions
JP2018512791A5 (enExample
JP2018512791A (ja
Inventor
ジョセフ・ビナミラ・ソリアガ
ジン・ジアン
クリシュナ・キラン・ムッカヴィリ
ナガ・ブーシャン
ティンファン・ジー
ジョン・エドワード・スミー
Original Assignee
クアルコム，インコーポレイテッド
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 クアルコム，インコーポレイテッド filed Critical クアルコム，インコーポレイテッド
Publication of JP2018512791A publication Critical patent/JP2018512791A/ja
Publication of JP2018512791A5 publication Critical patent/JP2018512791A5/ja
Application granted granted Critical
Publication of JP6659718B2 publication Critical patent/JP6659718B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • 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
    • 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
    • H04B7/0426—Power distribution
    • H04B7/043—Power distribution using best eigenmode, e.g. beam forming or beam steering
    • 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
    • H04B7/08—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
    • H04B7/0837—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station using pre-detection combining
    • H04B7/0842—Weighted combining
    • H04B7/086—Weighted combining using weights depending on external parameters, e.g. direction of arrival [DOA], predetermined weights or beamforming
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/0202—Channel estimation
    • H04L25/0222—Estimation of channel variability, e.g. coherence bandwidth, coherence time, fading frequency
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03006—Arrangements for removing intersymbol interference
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/0398—Restoration of channel reciprocity
    • 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
    • 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
    • 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
    • H04B7/0452—Multi-user MIMO systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03006—Arrangements for removing intersymbol interference
    • H04L2025/03777—Arrangements for removing intersymbol interference characterised by the signalling
    • H04L2025/03783—Details of reference signals

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Power Engineering (AREA)
  • Mobile Radio Communication Systems (AREA)
JP2017547939A 2015-03-14 2016-02-05 相反チャネルサウンディング基準信号の割振りおよび構成 Active JP6659718B2 (ja)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US201562133328P 2015-03-14 2015-03-14
US62/133,328 2015-03-14
US14/866,803 US10075271B2 (en) 2015-03-14 2015-09-25 Reciprocal channel sounding reference signal allocation and configuration
US14/866,803 2015-09-25
PCT/US2016/016734 WO2016148797A1 (en) 2015-03-14 2016-02-05 Reciprocal channel sounding reference signal allocation and configuration

Publications (3)

Publication Number Publication Date
JP2018512791A JP2018512791A (ja) 2018-05-17
JP2018512791A5 JP2018512791A5 (enExample) 2019-02-28
JP6659718B2 true JP6659718B2 (ja) 2020-03-04

Family

ID=56888604

Family Applications (2)

Application Number Title Priority Date Filing Date
JP2017547939A Active JP6659718B2 (ja) 2015-03-14 2016-02-05 相反チャネルサウンディング基準信号の割振りおよび構成
JP2017547935A Pending JP2018512789A (ja) 2015-03-14 2016-02-05 相反チャネルサウンディング基準信号の割振りおよび構成

Family Applications After (1)

Application Number Title Priority Date Filing Date
JP2017547935A Pending JP2018512789A (ja) 2015-03-14 2016-02-05 相反チャネルサウンディング基準信号の割振りおよび構成

Country Status (10)

Country Link
US (3) US10263745B2 (enExample)
EP (2) EP3272053B1 (enExample)
JP (2) JP6659718B2 (enExample)
KR (2) KR20170126914A (enExample)
CN (2) CN107409031B (enExample)
AU (1) AU2016233881B2 (enExample)
BR (1) BR112017019638B1 (enExample)
ES (1) ES2841475T3 (enExample)
TW (2) TWI705730B (enExample)
WO (2) WO2016148794A2 (enExample)

Families Citing this family (46)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10263745B2 (en) 2015-03-14 2019-04-16 Qualcomm Incorporated Reciprocal channel sounding reference signal allocation and configuration
US10931342B2 (en) * 2015-08-13 2021-02-23 Samsung Electronics Co., Ltd. Reference signal measurement method and apparatus for use in mobile communication system
US11101851B2 (en) 2015-11-23 2021-08-24 Nokia Solutions And Networks Oy User device beamforming training in wireless networks
US10205571B2 (en) * 2016-06-16 2019-02-12 Lg Electronics Inc. Method and apparatus for performing communication based on hybrid beamforming in wireless communication system
JP6891419B2 (ja) 2016-07-29 2021-06-18 ソニーグループ株式会社 端末装置、基地局、方法及び記録媒体
US10201020B2 (en) * 2016-09-19 2019-02-05 National Instruments Corporation Multi-user random access procedures for massive MIMO wireless communication systems
WO2018058389A1 (zh) * 2016-09-28 2018-04-05 华为技术有限公司 一种传输探测参考信号的方法、终端设备和网络设备
US10944452B2 (en) 2016-09-29 2021-03-09 Qualcomm Incorporated Use of uplink beam tracking results in reference symbol sessions
US10749584B2 (en) * 2016-12-22 2020-08-18 Samsung Electronics Co., Ltd. Uplink MIMO codebook for advanced wireless communication systems
EP3565137B1 (en) * 2016-12-28 2024-10-09 Panasonic Intellectual Property Corporation of America Communication method for wireless terminal device and wireless terminal device
US10498418B2 (en) * 2017-01-11 2019-12-03 Qualcomm Incorporated Fragmented beamforming for wireless devices
KR102373474B1 (ko) 2017-03-23 2022-03-11 삼성전자주식회사 무선 통신 시스템에서 데이터를 전송하기 위한 장치 및 방법
WO2018170910A1 (en) 2017-03-24 2018-09-27 Motorola Mobility Llc Determining a number of symbols for sounding reference signal transmission
US11102783B2 (en) * 2017-07-13 2021-08-24 Futurewei Technologies, Inc. System and method for supporting beamformed sounding reference signals
CN109391295B (zh) * 2017-08-09 2020-10-27 维沃移动通信有限公司 一种波束指示的处理方法、移动终端及网络侧设备
US10432330B2 (en) 2017-08-15 2019-10-01 At&T Intellectual Property I, L.P. Base station wireless channel sounding
US10834689B2 (en) 2017-08-15 2020-11-10 At&T Intellectual Property I, L.P. Base station wireless channel sounding
US10638340B2 (en) 2017-08-15 2020-04-28 At&T Intellectual Property I, L.P. Base station wireless channel sounding
US11343124B2 (en) 2017-08-15 2022-05-24 At&T Intellectual Property I, L.P. Base station wireless channel sounding
US11032721B2 (en) 2017-10-13 2021-06-08 At&T Intellectual Property I, L.P. Minimization of drive tests in beamformed wireless communication systems
US10091662B1 (en) 2017-10-13 2018-10-02 At&T Intellectual Property I, L.P. Customer premises equipment deployment in beamformed wireless communication systems
WO2019166973A1 (en) * 2018-03-02 2019-09-06 Sony Mobile Communications Inc. Tailored beam management of beamformed transmission
US11212051B2 (en) * 2018-03-06 2021-12-28 Qualcomm Incorporated Beam management for autonomous uplink with analog beams
WO2020028774A1 (en) * 2018-08-02 2020-02-06 Intel Corporation Adaptive allocation of csi-rs for rlm
WO2020032571A1 (ko) * 2018-08-07 2020-02-13 엘지전자 주식회사 채널 호혜성을 고려한 사운딩 참조 신호와 채널 상태 정보를 송수신하는 방법 및 이를 위한 장치
CN110972245B (zh) * 2018-09-28 2023-04-07 维沃移动通信有限公司 确定上行发送功率的方法和设备
EP3837773B1 (en) 2018-09-28 2024-03-06 Sony Group Corporation Method and system for managing interference in multi trp systems
CN110971366B (zh) * 2018-09-28 2022-04-12 北京紫光展锐通信技术有限公司 多波束发送方法及装置、存储介质、终端
CN111147212B (zh) * 2018-11-02 2022-11-15 大唐移动通信设备有限公司 非激活频率资源的信道测量方法、基站及终端
CN110213831B (zh) * 2019-05-29 2022-05-24 成都中科微信息技术研究院有限公司 一种结合srs周期的调度方法及系统
KR102756567B1 (ko) * 2019-06-27 2025-01-20 삼성전자주식회사 프리코딩을 수행하는 전자 장치 및 그 동작 방법
US20220278795A1 (en) * 2019-07-26 2022-09-01 Lg Electronics Inc. Method for transmitting and receiving sounding reference signal in wireless communication system, and apparatus therefor
US11082265B2 (en) 2019-07-31 2021-08-03 At&T Intellectual Property I, L.P. Time synchronization of mobile channel sounding system
WO2021073709A1 (en) * 2019-10-14 2021-04-22 Nokia Technologies Oy Optimizing of signaling for estimating a quality of a channel
EP4062605A1 (en) * 2019-11-18 2022-09-28 Qualcomm Incorporated Frequency domain correlation feedback for enhanced frequency domain partial reciprocity downlink
EP3829076A3 (en) 2019-11-28 2021-08-04 Samsung Electronics Co., Ltd. Transmission power control of sounding reference signals in wireless communication system and device
US11411779B2 (en) 2020-03-31 2022-08-09 XCOM Labs, Inc. Reference signal channel estimation
US11683712B2 (en) 2020-07-17 2023-06-20 Samsung Electronics Co., Ltd. Hybrid hierarchical parameter tracking for CSI estimation
CA3195885A1 (en) 2020-10-19 2022-04-28 XCOM Labs, Inc. Reference signal for wireless communication systems
WO2022093988A1 (en) 2020-10-30 2022-05-05 XCOM Labs, Inc. Clustering and/or rate selection in multiple-input multiple-output communication systems
WO2022126619A1 (en) 2020-12-18 2022-06-23 Telefonaktiebolaget Lm Ericsson (Publ) Methods and devices for beamforming
WO2022241436A1 (en) 2021-05-14 2022-11-17 XCOM Labs, Inc. Scrambling identifiers for wireless communication systems
US12375236B2 (en) 2021-09-15 2025-07-29 Samsung Electronics Co., Ltd. Low complexity machine learning based channel classifier
CN116419139A (zh) * 2021-12-29 2023-07-11 中兴通讯股份有限公司 一种无线通信方法、基站设备和存储介质
CA3257192A1 (en) * 2022-05-20 2023-11-23 Virewirx Inc WIRELESS COMMUNICATIONS PLANNING BASED ON AN AGING METRIC
KR20250118510A (ko) * 2024-01-30 2025-08-06 삼성전자주식회사 무선 통신 시스템에서 다중 사용자 공간 다중화를 위한 방법 및 장치

Family Cites Families (34)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100893860B1 (ko) * 2004-06-10 2009-04-20 엘지전자 주식회사 광대역 무선 접속 시스템에 적용되는 핸드오버 수행 방법및 핸드오버 실패시 통신 재개 방법
US8102809B2 (en) 2007-06-19 2012-01-24 Texas Instruments Incorporated Time-sharing of sounding resources
US20090093222A1 (en) 2007-10-03 2009-04-09 Qualcomm Incorporated Calibration and beamforming in a wireless communication system
US9893859B2 (en) * 2007-10-30 2018-02-13 Texas Instruments Incorporated Transmission of sounding reference signal and scheduling request in single carrier systems
US8031693B2 (en) * 2007-11-20 2011-10-04 Research In Motion Limited System and method for timing synchronization
RU2449480C2 (ru) * 2008-01-08 2012-04-27 Нокиа Сименс Нетуоркс Ой Конфигурирование опорного зондирующего сигнала
CN101800582A (zh) * 2009-02-09 2010-08-11 中兴通讯股份有限公司 一种多用户波束成形方法及装置
KR101294815B1 (ko) * 2009-05-15 2013-08-08 엘지전자 주식회사 무선 통신 시스템에서 사운딩 참조 신호 송신 방법 및 이를 위한 장치
JP5257259B2 (ja) * 2009-06-17 2013-08-07 富士通株式会社 受信装置、移動端末、通信システムおよび通信方法
US8737335B2 (en) * 2009-06-19 2014-05-27 Kddi Corporation Reference signal transmission scheduling device and reference signal transmission scheduling method
WO2011099906A1 (en) 2010-02-12 2011-08-18 Telefonaktiebolaget Lm Ericsson (Publ) Method and arrangement for adapting semi-persistently configured, periodic resources in a wireless communications network
CN102083219B (zh) 2010-03-31 2014-04-09 电信科学技术研究院 非周期srs的传输方法和设备
KR20110114753A (ko) 2010-04-14 2011-10-20 주식회사 팬택 제어 신호의 비주기적 전송을 제어하는 방법 및 이를 이용한 제어 신호의 송수신 방법 및 장치
CN102244557B (zh) * 2010-05-12 2014-06-11 中国移动通信集团公司 发送与接收信道探测参考信号的方法及装置
US9363769B2 (en) 2010-05-05 2016-06-07 Qualcomm Incorporated Methods and systems for SRS power scaling in carrier aggregation
US9414336B2 (en) 2010-05-12 2016-08-09 Blackberry Limited System and method for defining a burst period
US9713096B2 (en) * 2010-06-04 2017-07-18 Lg Electronics Inc. Method of terminal transmitting sounding reference signal on the basis of aperiodic sounding reference signal triggering and method for controlling uplink transmission power to transmit aperiodic sounding reference signal
US8855053B2 (en) * 2010-06-18 2014-10-07 Mediatek Inc. Sounding mechanism and configuration under carrier aggregation
US8621308B2 (en) * 2010-06-30 2013-12-31 Alcatel Lucent HARQ operating point adaptation in communications
US8737257B2 (en) 2010-10-28 2014-05-27 Lg Electronics Inc. Method and apparatus for adjusting sound reference signal transmission power
JP2012109644A (ja) * 2010-11-15 2012-06-07 Fujitsu Ltd 無線端末および基地局
CN102065557B (zh) * 2010-12-31 2016-03-30 中兴通讯股份有限公司 用于协作多点传输系统的测量参考信号发送方法及系统
US8644181B2 (en) * 2011-08-16 2014-02-04 Hong Kong Applied Science and Technology Research Institute Company Limited Method and apparatus for estimation of channel temporal correlation and MIMO mode selection in LTE system
CN102958097B (zh) * 2011-08-23 2016-08-03 华为技术有限公司 实现用户设备之间同步和感知的方法及设备
CN102427608B (zh) * 2011-12-06 2015-07-01 电信科学技术研究院 一种发送srs和指示srs发送的方法及设备
KR20130087957A (ko) * 2012-01-30 2013-08-07 삼성전자주식회사 협력 통신 시스템에서 사운딩 레퍼런스 신호의 전송 방법 및 장치
US9351288B2 (en) 2012-06-05 2016-05-24 Samsung Electronics Co., Ltd. Uplink channel sounding and channel state information estimation in mobile communication systems with multiple antennas
US10159052B2 (en) 2012-08-03 2018-12-18 Qualcomm Incorporated Method and apparatus for sounding reference signal triggering and power control for coordinated multi-point operations
US9596065B2 (en) 2012-10-24 2017-03-14 Qualcomm Incorporated Enhanced SRS transmission for MIMO operation in LTE-A
KR101407094B1 (ko) 2012-10-31 2014-06-16 엘지전자 주식회사 상향링크 신호 전송 방법 및 장치
CN103905104B (zh) * 2012-12-28 2017-12-19 中兴通讯股份有限公司 一种根据探测参考信号的多天线发送方法及终端及基站
US9497047B2 (en) * 2013-07-02 2016-11-15 Samsung Electronics Co., Ltd. Methods and apparatus for sounding channel operation in millimeter wave communication systems
US9456360B2 (en) 2013-08-06 2016-09-27 Universitat Politecnica De Catalunya Method and systems for decentralized interference management in a multi-antenna wireless communication system
US10263745B2 (en) 2015-03-14 2019-04-16 Qualcomm Incorporated Reciprocal channel sounding reference signal allocation and configuration

Also Published As

Publication number Publication date
EP3272054A2 (en) 2018-01-24
US10263745B2 (en) 2019-04-16
AU2016233881A1 (en) 2017-08-17
ES2841475T3 (es) 2021-07-08
AU2016233881B2 (en) 2020-05-28
TW201639406A (zh) 2016-11-01
WO2016148794A3 (en) 2016-10-27
JP2018512789A (ja) 2018-05-17
US10389504B2 (en) 2019-08-20
BR112017019638A2 (pt) 2018-05-15
WO2016148794A2 (en) 2016-09-22
TWI705730B (zh) 2020-09-21
KR102758187B1 (ko) 2025-01-21
TWI697250B (zh) 2020-06-21
EP3272053A1 (en) 2018-01-24
KR20170128286A (ko) 2017-11-22
KR20170126914A (ko) 2017-11-20
CN107409031A (zh) 2017-11-28
WO2016148797A1 (en) 2016-09-22
CN107409109B (zh) 2020-08-07
CN107409109A (zh) 2017-11-28
BR112017019638B1 (pt) 2024-03-12
US20160269159A1 (en) 2016-09-15
US20160269158A1 (en) 2016-09-15
JP2018512791A (ja) 2018-05-17
US10075271B2 (en) 2018-09-11
CN107409031B (zh) 2020-10-30
TW201639407A (zh) 2016-11-01
EP3272053B1 (en) 2020-09-30
US20190020457A1 (en) 2019-01-17

Similar Documents

Publication Publication Date Title
JP6659718B2 (ja) 相反チャネルサウンディング基準信号の割振りおよび構成
JP7175934B2 (ja) 相反チャネルサウンディング基準信号の多重化

Legal Events

Date Code Title Description
A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20170915

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20190118

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20190118

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20190930

A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20190927

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20191220

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20200114

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20200206

R150 Certificate of patent or registration of utility model

Ref document number: 6659718

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R150

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250