CN111684849A - 电子装置、无线通信方法和计算机可读介质 - Google Patents

电子装置、无线通信方法和计算机可读介质 Download PDF

Info

Publication number
CN111684849A
CN111684849A CN201980007581.2A CN201980007581A CN111684849A CN 111684849 A CN111684849 A CN 111684849A CN 201980007581 A CN201980007581 A CN 201980007581A CN 111684849 A CN111684849 A CN 111684849A
Authority
CN
China
Prior art keywords
user equipment
resource
unlicensed
electronic device
frequency band
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.)
Granted
Application number
CN201980007581.2A
Other languages
English (en)
Other versions
CN111684849B (zh
Inventor
许晓东
孙梦颖
陈冠宇
张文博
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.)
Sony Corp
Original Assignee
Sony Corp
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 Sony Corp filed Critical Sony Corp
Publication of CN111684849A publication Critical patent/CN111684849A/zh
Application granted granted Critical
Publication of CN111684849B publication Critical patent/CN111684849B/zh
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W74/00—Wireless channel access
    • H04W74/08—Non-scheduled access, e.g. ALOHA
    • H04W74/0808—Non-scheduled access, e.g. ALOHA using carrier sensing, e.g. carrier sense multiple access [CSMA]
    • 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
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/70—Services for machine-to-machine communication [M2M] or machine type communication [MTC]
    • 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
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/50—Allocation or scheduling criteria for wireless resources
    • H04W72/51—Allocation or scheduling criteria for wireless resources based on terminal or device properties
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/50—Allocation or scheduling criteria for wireless resources
    • H04W72/54—Allocation or scheduling criteria for wireless resources based on quality criteria
    • H04W72/542—Allocation or scheduling criteria for wireless resources based on quality criteria using measured or perceived quality
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/50—Allocation or scheduling criteria for wireless resources
    • H04W72/56—Allocation or scheduling criteria for wireless resources based on priority criteria
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/10—Connection setup
    • H04W76/14—Direct-mode setup
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
    • H04W16/14—Spectrum sharing arrangements between different networks
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W92/00—Interfaces specially adapted for wireless communication networks
    • H04W92/16—Interfaces between hierarchically similar devices
    • H04W92/18—Interfaces between hierarchically similar devices between terminal devices

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Quality & Reliability (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

本公开涉及电子装置、无线通信方法和计算机可读介质。根据一个实施例的用于无线通信的电子装置包括处理电路，处理电路被配置为：确定第一用户设备是否满足利用非授权频段资源与第二用户设备进行直通链路通信的条件；以及在满足条件的情况下，控制第一用户设备利用非授权频段资源与第二用户设备进行直通链路通信。

Description

PCT国内申请，说明书已公开。

Claims (32)

  1. PCT国内申请，权利要求书已公开。
CN201980007581.2A 2018-05-10 2019-05-05 电子装置、无线通信方法和计算机可读介质 Active CN111684849B (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CN201810443767X 2018-05-10
CN201810443767.XA CN110475343A (zh) 2018-05-10 2018-05-10 电子装置、无线通信方法和计算机可读介质
PCT/CN2019/085496 WO2019214544A1 (zh) 2018-05-10 2019-05-05 电子装置、无线通信方法和计算机可读介质

Related Child Applications (1)

Application Number Title Priority Date Filing Date
CN202410386216.XA Division CN118265171A (zh) 2018-05-10 2019-05-05 无线通信设备、无线通信方法和无线通信***

Publications (2)

Publication Number Publication Date
CN111684849A true CN111684849A (zh) 2020-09-18
CN111684849B CN111684849B (zh) 2024-04-16

Family

ID=68467713

Family Applications (2)

Application Number Title Priority Date Filing Date
CN201810443767.XA Pending CN110475343A (zh) 2018-05-10 2018-05-10 电子装置、无线通信方法和计算机可读介质
CN201980007581.2A Active CN111684849B (zh) 2018-05-10 2019-05-05 电子装置、无线通信方法和计算机可读介质

Family Applications Before (1)

Application Number Title Priority Date Filing Date
CN201810443767.XA Pending CN110475343A (zh) 2018-05-10 2018-05-10 电子装置、无线通信方法和计算机可读介质

Country Status (4)

Country Link
US (3) US20200351669A1 (zh)
EP (1) EP3783980A4 (zh)
CN (2) CN110475343A (zh)
WO (1) WO2019214544A1 (zh)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114270910A (zh) * 2021-11-26 2022-04-01 北京小米移动软件有限公司 一种智能中继服务链路的波束指示方法及其装置
WO2023088223A1 (zh) * 2021-11-16 2023-05-25 维沃移动通信有限公司 旁链路通信方法、装置及终端
WO2024000528A1 (zh) * 2022-06-30 2024-01-04 北京小米移动软件有限公司 一种非授权频段中占用信道的方法及其装置

Families Citing this family (50)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111565475A (zh) * 2019-02-14 2020-08-21 索尼公司 用户设备、网络侧设备、无线通信方法和存储介质
CN111698699A (zh) * 2019-03-14 2020-09-22 索尼公司 电子设备、无线通信方法和计算机可读存储介质
US11432325B2 (en) * 2019-07-11 2022-08-30 Qualcomm Incorporated Methods, apparatuses and systems for user equipment (UE)-to-UE sharing of channel occupancy time
US11483839B2 (en) * 2019-08-15 2022-10-25 Ofinno, Llc Sidelink resource pool selection for urgent packet transmission
US11672034B2 (en) * 2019-09-25 2023-06-06 Qualcomm Incorporated Channel occupancy time (COT) sharing for sidelink
WO2021092728A1 (zh) * 2019-11-11 2021-05-20 展讯通信（上海）有限公司 数据传输方法及装置
CN114747293A (zh) * 2019-11-28 2022-07-12 华为技术有限公司 ***信息获取方法及装置
US11924895B2 (en) * 2020-02-14 2024-03-05 Qualcomm Incorporated Techniques for new radio layer two relay
WO2021207957A1 (en) * 2020-04-15 2021-10-21 Qualcomm Incorporated Techniques for ue-to-ue channel occupancy time sharing in unlicensed spectrum
WO2021212254A1 (en) * 2020-04-20 2021-10-28 Qualcomm Incorporated Hop-based channel occupancy time (cot) sharing
EP4140213A4 (en) * 2020-04-22 2024-01-10 Lenovo (Beijing) Limited METHOD AND APPARATUS FOR SHARING CHANNEL OCCUPANCY TIME
US11856603B2 (en) * 2020-05-26 2023-12-26 Qualcomm Incorporated Sharing channel occupancy time across nodes of an integrated access backhaul network
US11736261B2 (en) 2020-07-16 2023-08-22 Qualcomm Incorporated Licensed assisted sidelink access using an indication of multiple data channels
US20220039161A1 (en) * 2020-07-30 2022-02-03 Qualcomm Incorporated Channel occupancy time (cot) sharing propagation
CN114071739A (zh) * 2020-08-06 2022-02-18 维沃移动通信有限公司 免授权频谱的信道接入方法、终端及网络侧设备
WO2022027594A1 (zh) * 2020-08-07 2022-02-10 华为技术有限公司 一种通信方法及通信装置
US20220046601A1 (en) * 2020-08-07 2022-02-10 Qualcomm Incorporated Resource selection for sidelink coordination information report messages
US11800491B2 (en) * 2020-08-25 2023-10-24 Qualcomm Incorporated Resource pool-based communications for sidelink
US11611991B2 (en) * 2020-09-02 2023-03-21 Qualcomm Incorporated Frequency resource reservation for sidelink communication
WO2022061754A1 (en) * 2020-09-25 2022-03-31 Nokia Shanghai Bell Co., Ltd. Channel occupancy time for sidelink communication in unlicensed band
US11711814B2 (en) * 2020-11-06 2023-07-25 Qualcomm Incorporated Listen-before-talk reporting for sidelink channels
US11570820B2 (en) * 2020-12-18 2023-01-31 Qualcomm Incorporated Listen-before-talk failure reporting for sidelink channels
WO2022165851A1 (en) * 2021-02-08 2022-08-11 Lenovo (Beijing) Limited Method for sidelink communication and terminal device
US11683800B2 (en) * 2021-05-14 2023-06-20 Qualcomm Incorporated Transmitter multiplexing in multi-opportunity sidelink grant
US20220394768A1 (en) * 2021-06-07 2022-12-08 Apple Inc. Systems, methods, and devices for nr sidelink in the unlicensed spectrum
US11838947B2 (en) * 2021-06-29 2023-12-05 Qualcomm Incorporated Network controlled repeater operation at new radio-unlicensed band
CN115942327A (zh) * 2021-08-16 2023-04-07 北京三星通信技术研究有限公司 一种旁路资源确定方法
KR20230030452A (ko) * 2021-08-25 2023-03-06 팅크웨어(주) 비면허 대역에서 통신을 수행하기 위한 정보를 송수신하기 위한 장치, 방법 및 컴퓨터 판독가능 저장매체
JPWO2023032228A1 (zh) * 2021-09-06 2023-03-09
US11877319B2 (en) * 2021-09-10 2024-01-16 Qualcomm Incorporated Repeater initiated channel occupancy time for shared radio frequency spectrum
CN115835418A (zh) * 2021-09-16 2023-03-21 维沃软件技术有限公司 连续lbt失败处理方法及装置、终端及网络侧设备
WO2023063863A1 (en) * 2021-10-14 2023-04-20 Telefonaktiebolaget Lm Ericsson (Publ) Method for handling side link (sl) communication over an unlicensed spectrum
CN116073966A (zh) * 2021-10-29 2023-05-05 展讯通信（上海）有限公司 侧行链路传输方法及装置、网络设备、终端设备
CN116209070A (zh) * 2021-11-29 2023-06-02 维沃移动通信有限公司 Sl业务传输处理方法、装置、终端及存储介质
US20230180015A1 (en) * 2021-12-08 2023-06-08 Samsung Electronics Co., Ltd. Method and apparatus for flexible starting locations for sidelink transmission
WO2023115469A1 (en) * 2021-12-23 2023-06-29 Zte Corporation Sidelink communication on unlicensed carriers
US20230239920A1 (en) * 2022-01-26 2023-07-27 Qualcomm Incorporated Method and apparatus for continuous channel reservation for sidelink communication
WO2023151664A1 (en) * 2022-02-11 2023-08-17 Mediatek Singapore Pte. Ltd. Methods and apparatus for sidelink communications on unlicensed spectrum
WO2023152732A1 (en) * 2022-02-14 2023-08-17 Lenovo (Singapore) Pte. Ltd. Listen before talk failure procedures for sidelink connections
US20230269056A1 (en) * 2022-02-18 2023-08-24 Samsung Electronics Co., Ltd. Method and apparatus for transmission window determination for a physical sidelink feedback channel
US20230299892A1 (en) * 2022-03-18 2023-09-21 Samsung Electronics Co., Ltd. Method and apparatus for frequency domain resource determination for physical sidelink feedback channel
CN116939867A (zh) * 2022-03-31 2023-10-24 索尼集团公司 用于侧链路的资源选择方法及相关设备
CN114978451B (zh) * 2022-04-07 2023-10-20 南京星思半导体有限公司 Sidelink传输方法、装置及终端
WO2023193262A1 (en) * 2022-04-08 2023-10-12 Nec Corporation Methods, devices, and computer readable medium for communication
WO2023203656A1 (ja) * 2022-04-19 2023-10-26 株式会社Ｎｔｔドコモ 端末及び通信方法
WO2023203655A1 (ja) * 2022-04-19 2023-10-26 株式会社Ｎｔｔドコモ 端末及び通信方法
WO2023211206A1 (ko) * 2022-04-28 2023-11-02 엘지전자 주식회사 Lbt와 관련된 무선 통신을 수행하는 방법 및 장치
WO2023223159A1 (en) * 2022-05-19 2023-11-23 Lenovo (Singapore) Pte. Ltd. Repeater-assisted channel access with network-controlled repeaters
WO2023230787A1 (zh) * 2022-05-30 2023-12-07 Oppo广东移动通信有限公司 无线通信的方法、终端设备和网络设备
CN115299170A (zh) * 2022-07-08 2022-11-04 北京小米移动软件有限公司 通信方法、装置、存储介质、终端以及网络侧设备

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016112721A1 (zh) * 2015-01-14 2016-07-21 中兴通讯股份有限公司 非授权资源使用方法、***、基站、ue及计算机存储介质
US20160219487A1 (en) * 2015-01-28 2016-07-28 Alcatel-Lucent Usa Inc. User equipment assisted handover in licensed and unlicensed frequency bands
CN106162911A (zh) * 2015-04-17 2016-11-23 索尼公司 用于无线通信的电子设备和方法
CN106452705A (zh) * 2015-08-13 2017-02-22 索尼公司 无线通信***中的电子设备和无线通信方法
CN106941397A (zh) * 2016-01-04 2017-07-11 中兴通讯股份有限公司 在非授权频段上通信的方法和装置
WO2017193843A1 (en) * 2016-05-13 2017-11-16 Jrd Communication Inc. Methods and devices for supporting access to unlicensed radio resources in wireless communication systems
US20180049143A1 (en) * 2016-08-11 2018-02-15 Qualcomm Incorporated Distributed joint access for unlicensed sidelink

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014116069A1 (ko) * 2013-01-25 2014-07-31 엘지전자 주식회사 반송파 결합을 지원하는 무선접속시스템에서 무선 자원 측정 방법 및 이를 지원하는 장치
CN110177358B (zh) * 2013-05-01 2022-06-14 三星电子株式会社 用于设备到设备通信***的方法和装置
US10225875B2 (en) * 2014-11-27 2019-03-05 Lg Electronics Inc. Method and apparatus for performing direct device-to-device communication in wireless communication system supporting unlicensed band
US10383147B2 (en) 2015-12-28 2019-08-13 Samsung Electronics Co., Ltd. Methods and apparatus for resource collision avoidance in vehicle to vehicle communication
US10952031B2 (en) * 2016-05-20 2021-03-16 Huawei Technologies Co., Ltd. Licensed-assisted user equipment cooperation in unlicensed sidelink
JP2018026662A (ja) 2016-08-09 2018-02-15 ソニー株式会社 通信装置、通信方法、及びプログラム
CN107734560B (zh) * 2016-08-12 2023-09-15 中兴通讯股份有限公司 信号传输方法、通信设备及通信***
CN106162900B (zh) * 2016-08-15 2020-03-17 宇龙计算机通信科技(深圳)有限公司 非授权频段上的d2d通信方法、d2d通信装置、终端和基站
US10439682B2 (en) * 2016-08-19 2019-10-08 FG Innovation Company Limited Access mechanism for proximity-based service UE-to-network relay service
US10904826B2 (en) * 2016-09-15 2021-01-26 Telefonaktiebolaget Lm Ericsson (Publ) Methods and systems for autonomous device selection of transmission resources
US20200014066A1 (en) 2017-03-24 2020-01-09 Panasonic Intellectual Property Management Co., Ltd. Nonaqueous electrolyte secondary battery
US11171759B2 (en) 2018-04-13 2021-11-09 Qualcomm Incorporated Methods and apparatus related to interference detection and management using ACK/NACK signals
US10869340B2 (en) 2018-04-13 2020-12-15 Qualcomm Incorporated Slow-loop resource reservation procedure
US11277883B2 (en) * 2018-05-11 2022-03-15 Intel Corporation Scheduling enhancements and hybrid automatic repeat request (HARQ) timing procedure for new radio (NR) unlicensed
US11737138B2 (en) 2018-06-21 2023-08-22 Apple Inc. Apparatus, system and method of communication over common control channels
US11228990B2 (en) * 2019-03-28 2022-01-18 Ofinno, Llc Random access power control
CN113767690A (zh) * 2019-05-02 2021-12-07 苹果公司 Nr未许可中物理上行链路共享信道的频域资源分配方案的增强
US20200382922A1 (en) 2019-06-03 2020-12-03 Qualcomm Incorporated V2x packet filtering and latency scheduling in physical layer decoding
US20220256415A1 (en) * 2019-07-12 2022-08-11 Nokia Technologies Oy Methods and systems for multiple cell target conditional handover
EP4005278B1 (en) * 2019-07-25 2024-06-05 FG Innovation Company Limited Method and apparatus for handling lbt failure
US11736218B2 (en) * 2019-10-07 2023-08-22 Intel Corporation Obtaining neighbor cell control channel resources in unlicensed bands

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016112721A1 (zh) * 2015-01-14 2016-07-21 中兴通讯股份有限公司 非授权资源使用方法、***、基站、ue及计算机存储介质
US20160219487A1 (en) * 2015-01-28 2016-07-28 Alcatel-Lucent Usa Inc. User equipment assisted handover in licensed and unlicensed frequency bands
CN106162911A (zh) * 2015-04-17 2016-11-23 索尼公司 用于无线通信的电子设备和方法
CN106452705A (zh) * 2015-08-13 2017-02-22 索尼公司 无线通信***中的电子设备和无线通信方法
CN106941397A (zh) * 2016-01-04 2017-07-11 中兴通讯股份有限公司 在非授权频段上通信的方法和装置
WO2017193843A1 (en) * 2016-05-13 2017-11-16 Jrd Communication Inc. Methods and devices for supporting access to unlicensed radio resources in wireless communication systems
US20180049143A1 (en) * 2016-08-11 2018-02-15 Qualcomm Incorporated Distributed joint access for unlicensed sidelink

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023088223A1 (zh) * 2021-11-16 2023-05-25 维沃移动通信有限公司 旁链路通信方法、装置及终端
CN114270910A (zh) * 2021-11-26 2022-04-01 北京小米移动软件有限公司 一种智能中继服务链路的波束指示方法及其装置
WO2023092468A1 (zh) * 2021-11-26 2023-06-01 北京小米移动软件有限公司 一种智能中继服务链路的波束指示方法及其装置
WO2024000528A1 (zh) * 2022-06-30 2024-01-04 北京小米移动软件有限公司 一种非授权频段中占用信道的方法及其装置

Also Published As

Publication number Publication date
US11943633B2 (en) 2024-03-26
US11638161B2 (en) 2023-04-25
WO2019214544A1 (zh) 2019-11-14
US20220232392A1 (en) 2022-07-21
CN111684849B (zh) 2024-04-16
EP3783980A4 (en) 2021-05-19
EP3783980A1 (en) 2021-02-24
US20200351669A1 (en) 2020-11-05
CN110475343A (zh) 2019-11-19
US20230217259A1 (en) 2023-07-06

Similar Documents

Publication Publication Date Title
CN111684849B (zh) 电子装置、无线通信方法和计算机可读介质
CN111066354B (zh) 无线通信***中的装置和方法、计算机可读存储介质
CN106376082B (zh) 用于无线通信的电子设备以及无线通信方法
CN106162911B (zh) 用于无线通信的电子设备和方法
CN110784874A (zh) 用于无线通信的电子设备和方法、计算机可读存储介质
CN106303900B (zh) 无线通信设备和无线通信方法
CN106162885B (zh) 无线通信的装置和方法、基站、用户设备侧的装置
RU2759800C2 (ru) Устройство связи, способ связи и программа
WO2019154387A1 (zh) 电子设备、无线通信方法和计算机可读存储介质
WO2019154389A1 (zh) 电子设备、无线通信方法和计算机可读存储介质
US20220295374A1 (en) Electronic apparatus, wireless communication method and computer-readable medium
CN111602425B (zh) 用于无线通信的电子设备和方法、计算机可读存储介质
US11457367B2 (en) Electronic apparatus, information processing device, and information processing method
EP3651501B1 (en) Wireless communication method and wireless communication device
CN106686726B (zh) 无线通信设备和无线通信方法
CN111512686B (zh) 电子装置、无线通信方法和计算机可读介质
CN115918122A (zh) 电子设备、无线通信方法和非暂态计算机可读存储介质
CN113273126A (zh) 电子装置、无线通信方法和计算机可读介质
CN118265171A (zh) 无线通信设备、无线通信方法和无线通信***
WO2020108370A1 (zh) 电子装置、无线通信方法和计算机可读介质

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
GR01 Patent grant
GR01 Patent grant