CN110800234B - 用于物理共享信道传输至确收延迟优化的方法和装置 - Google Patents

用于物理共享信道传输至确收延迟优化的方法和装置 Download PDF

Info

Publication number
CN110800234B
CN110800234B CN201880041200.8A CN201880041200A CN110800234B CN 110800234 B CN110800234 B CN 110800234B CN 201880041200 A CN201880041200 A CN 201880041200A CN 110800234 B CN110800234 B CN 110800234B
Authority
CN
China
Prior art keywords
transmission
capability
base station
tti
delay
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
CN201880041200.8A
Other languages
English (en)
Chinese (zh)
Other versions
CN110800234A (zh
Inventor
K·巴塔德
H·徐
A·里克阿尔瓦里尼奥
X·F·王
P·盖尔
N·佐恩
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.)
Qualcomm Inc
Original Assignee
Qualcomm Inc
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 Qualcomm Inc filed Critical Qualcomm Inc
Publication of CN110800234A publication Critical patent/CN110800234A/zh
Application granted granted Critical
Publication of CN110800234B publication Critical patent/CN110800234B/zh
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
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0002—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission rate
    • H04L1/0003—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission rate by switching between different modulation schemes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/08—Arrangements for detecting or preventing errors in the information received by repeating transmission, e.g. Verdan system
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
    • H04L1/1812—Hybrid protocols; Hybrid automatic repeat request [HARQ]
    • H04L1/1819—Hybrid protocols; Hybrid automatic repeat request [HARQ] with retransmission of additional or different redundancy
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
    • H04L1/1825—Adaptation of specific ARQ protocol parameters according to transmission conditions
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
    • H04L1/1829—Arrangements specially adapted for the receiver end
    • H04L1/1854—Scheduling and prioritising arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
    • H04L1/1829—Arrangements specially adapted for the receiver end
    • H04L1/1861—Physical mapping arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
    • H04L1/1829—Arrangements specially adapted for the receiver end
    • H04L1/1864—ARQ related signaling
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
    • H04L1/1867—Arrangements specially adapted for the transmitter end
    • H04L1/1887—Scheduling and prioritising arrangements
    • 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 signalling, i.e. of overhead other than pilot signals
    • H04L5/0055—Physical resource allocation for ACK/NACK
    • 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
    • H04L5/0058—Allocation criteria
    • H04L5/0064—Rate requirement of the data, e.g. scalable bandwidth, data priority
    • 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
    • H04L5/0094—Indication of how sub-channels of the path are allocated
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0023—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the signalling
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
    • H04L1/1812—Hybrid protocols; Hybrid automatic repeat request [HARQ]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Quality & Reliability (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Detection And Prevention Of Errors In Transmission (AREA)
CN201880041200.8A 2017-06-22 2018-06-06 用于物理共享信道传输至确收延迟优化的方法和装置 Active CN110800234B (zh)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
IN201741021940 2017-06-22
IN201741021940 2017-06-22
US16/000,624 US11032844B2 (en) 2017-06-22 2018-06-05 Physical shared channel transmission to acknowledgement delay optimization
US16/000,624 2018-06-05
PCT/US2018/036314 WO2018236586A1 (en) 2017-06-22 2018-06-06 Physical shared channel transmission to acknowledgement delay optimization

Publications (2)

Publication Number Publication Date
CN110800234A CN110800234A (zh) 2020-02-14
CN110800234B true CN110800234B (zh) 2022-05-03

Family

ID=64736069

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201880041200.8A Active CN110800234B (zh) 2017-06-22 2018-06-06 用于物理共享信道传输至确收延迟优化的方法和装置

Country Status (9)

Country Link
US (1) US11032844B2 (https=)
EP (2) EP3780451A1 (https=)
JP (2) JP7170672B2 (https=)
KR (1) KR102662012B1 (https=)
CN (1) CN110800234B (https=)
BR (1) BR112019026427A2 (https=)
SG (1) SG11201910323WA (https=)
TW (1) TWI794239B (https=)
WO (1) WO2018236586A1 (https=)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109314674B (zh) * 2016-04-20 2022-09-09 瑞典爱立信有限公司 取决于传输类型和ue处理能力延迟传输
CN116015567B (zh) 2016-08-10 2025-03-11 交互数字专利控股公司 降低等待时间的系统中的定时提前和处理能力
US20210144757A1 (en) * 2017-06-23 2021-05-13 Idac Holdings, Inc. Transmission with restrictions in unlicensed spectrum
US10904898B2 (en) * 2017-11-16 2021-01-26 Qualcomm Incorporated Multi-slot scheduling with repetitive transmission of a transport block with different redundancy versions
CN110035529B (zh) * 2018-01-12 2021-07-16 华为技术有限公司 一种资源配置的方法和通信装置
CN110034848B (zh) * 2018-01-12 2021-03-23 华为技术有限公司 一种信息传输方法和装置
CN110324126B (zh) * 2018-03-30 2020-12-04 电信科学技术研究院有限公司 一种数据传输方法、终端设备及网络设备
EP3860177A1 (en) * 2018-09-28 2021-08-04 NTT DoCoMo, Inc. User equipment
US10841890B2 (en) * 2018-11-09 2020-11-17 SRS Space Limited Delay tolerant node
EP3910851B1 (en) * 2019-01-10 2025-04-16 Wilus Institute of Standards and Technology Inc. Method for transmitting uplink shared channel in wireless communication system and device using same
CN111586854B (zh) * 2019-02-15 2024-03-08 大唐移动通信设备有限公司 物理上行共享信道的传输方法、终端及网络设备
US11569886B2 (en) * 2019-04-01 2023-01-31 Qualcomm Incorporated Network-sensitive transmit diversity scheme
US11690070B2 (en) * 2019-06-07 2023-06-27 Qualcomm Incorporated Traffic-aware grant signaling and processing
CN111800878B (zh) * 2019-07-04 2023-04-18 维沃移动通信有限公司 发送方法、干扰处理方法、终端及网络侧设备
US11398886B2 (en) * 2019-07-12 2022-07-26 Newracom, Inc. Midamble operation in a wireless local area network
EP4002896A4 (en) * 2019-07-17 2022-08-03 Beijing Xiaomi Mobile Software Co., Ltd. METHODS AND APPARATUS FOR INDICATING AND DETERMINING INFORMATION, COMMUNICATION DEVICE AND STORAGE MEDIA
WO2021029002A1 (ja) * 2019-08-09 2021-02-18 株式会社Ｎｔｔドコモ 端末
US12225460B2 (en) * 2020-02-26 2025-02-11 Qualcomm Incorporated Update of physical downlink control channel (PDCCH) parameters
CN111527786B (zh) * 2020-04-02 2023-10-17 北京小米移动软件有限公司 资源调度方法、装置、接入网设备、终端和存储介质
US12389390B2 (en) * 2020-05-15 2025-08-12 Qualcomm Incorporated User equipment processing capability indication
WO2021237427A1 (zh) * 2020-05-25 2021-12-02 北京小米移动软件有限公司 物理下行控制信道的发送及接收方法、装置及电子设备
US11659549B2 (en) * 2020-06-01 2023-05-23 Qualcomm Incorporated Timing for cross scheduling and reference signal triggering
CN114070530B (zh) * 2020-08-07 2023-03-14 维沃移动通信有限公司 确定数据处理时间的方法、终端设备和网络设备
CN117792960B (zh) * 2024-02-23 2024-04-30 中国电子科技集团公司第三十研究所 一种基于国产多核处理器的历史流量统计方法及装置

Family Cites Families (36)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4331728B2 (ja) 2003-02-13 2009-09-16 ノキア コーポレイション アップリンク信号の検出改善とアップリンク信号の電力節減とを図るシステムおよび方法
WO2008085954A2 (en) * 2007-01-05 2008-07-17 Interdigital Technology Corporation Fast uplink response to downlink shared channel transmission without a dedicated uplink channel
CN101394251A (zh) * 2008-07-23 2009-03-25 中兴通讯股份有限公司 秩指示信息的发送方法和装置
US8867430B2 (en) * 2008-10-31 2014-10-21 Lg Electronics Inc. Method and apparatus for performing HARQ process in wireless communication system
US9154352B2 (en) * 2009-04-21 2015-10-06 Qualcomm Incorporated Pre-communication for relay base stations in wireless communication
JP5124597B2 (ja) * 2010-01-08 2013-01-23 株式会社エヌ・ティ・ティ・ドコモ 移動通信システムにおけるユーザ装置、基地局及び方法
ES2423656T3 (es) 2010-03-22 2013-09-23 Samsung Electronics Co., Ltd. Control de multiplexación e información de datos procedentes de un equipo de usuario en un canal físico de datos
CN104254995B (zh) * 2012-01-24 2018-05-11 交互数字专利控股公司 用于改善的上行链路覆盖的系统和方法
EP2810508B1 (en) * 2012-01-30 2015-08-12 Telefonaktiebolaget LM Ericsson (Publ) Time multiplexed channel state information reporting in a multi antenna wireless communication system
CN104247543B (zh) 2012-02-21 2018-07-24 瑞典爱立信有限公司 数据块传输的处理时间相关控制
CN103516493B (zh) * 2012-06-19 2018-07-06 中兴通讯股份有限公司 数据传输方法及装置
CN104823390B (zh) * 2012-11-01 2017-11-14 Lg 电子株式会社 在无线通信系统中发送/接收数据的方法和设备
GB2507528A (en) * 2012-11-02 2014-05-07 Sony Corp Telecommunications apparatus and methods
GB2507529A (en) * 2012-11-02 2014-05-07 Sony Corp Telecommunications apparatus and methods
GB2523685A (en) * 2012-12-13 2015-09-02 Zte Wistron Telecom Ab Method and apparatus for a modified outer loop after a receiver outage event
CN104039012B (zh) * 2013-03-06 2018-12-28 索尼公司 在无线通信系统中进行动态下行配置的方法、基站和终端
US10237879B2 (en) * 2013-07-09 2019-03-19 Lg Electronics Inc. Method for channel state report in wireless communication system and apparatus therefor
WO2015021229A1 (en) * 2013-08-08 2015-02-12 Intel IP Corporation Method and system of advanced interference cancellation on pdsch at the ue
EP3053386B1 (en) * 2013-09-30 2019-02-13 Apple Inc. Delayed and bundled retransmissions for low bandwidth applications
US9408144B2 (en) * 2013-11-07 2016-08-02 Apple Inc. Shortened HARQ timelines for low bandwidth applications
US11743897B2 (en) * 2013-12-20 2023-08-29 Qualcomm Incorporated Techniques for configuring uplink channels in unlicensed radio frequency spectrum bands
US10772092B2 (en) * 2013-12-23 2020-09-08 Qualcomm Incorporated Mixed numerology OFDM design
US9961657B2 (en) * 2014-09-25 2018-05-01 Intel IP Corporation System and method of MTC device operations
US9955462B2 (en) * 2014-09-26 2018-04-24 Qualcomm Incorporated Ultra-low latency LTE control data communication
WO2016048597A1 (en) * 2014-09-26 2016-03-31 Qualcomm Incorporated Ultra-low latency lte control data communication
US10064165B2 (en) * 2014-10-03 2018-08-28 Qualcomm Incorporated Downlink and uplink channel with low latency
US10660033B2 (en) * 2014-10-09 2020-05-19 Qualcomm Incorporated Regularly scheduled sessions in a cellular internet of things system
US9935742B2 (en) * 2014-10-20 2018-04-03 Apple Inc. Adaptive HARQ for half duplex operation for battery and antenna constrained devices
US10219292B2 (en) * 2014-10-24 2019-02-26 Qualcomm Incorporated Flexible multiplexing and feedback for variable transmission time intervals
US10727983B2 (en) * 2014-10-29 2020-07-28 Qualcomm Incorporated Variable length transmission time intervals (TTI)
US10103856B2 (en) * 2015-05-12 2018-10-16 Qualcomm Incorporated Transmission time interval operation for low latency
US20160360550A1 (en) 2015-06-03 2016-12-08 Qualcomm Incorporated Low latency under time division duplex and flexible frequency division duplex
US10477572B2 (en) * 2015-08-14 2019-11-12 Qualcomm Incorporated Reiterated downlink grant design for multiple transmission time interval grant support in ECC
WO2017124232A1 (en) * 2016-01-18 2017-07-27 Lenovo Innovations Limited (Hong Kong) Uci transmission using different subframe types
WO2017204524A1 (ko) * 2016-05-23 2017-11-30 엘지전자 주식회사 하향링크 제어 정보를 수신하는 방법 및 사용자기기
CA3041225A1 (en) 2016-10-20 2018-04-26 Sharp Kabushiki Kaisha Terminal apparatus, base station apparatus, and communication method

Also Published As

Publication number Publication date
SG11201910323WA (en) 2020-01-30
US20180376498A1 (en) 2018-12-27
TW201906477A (zh) 2019-02-01
JP7401594B2 (ja) 2023-12-19
EP3642984A1 (en) 2020-04-29
CN110800234A (zh) 2020-02-14
JP7170672B2 (ja) 2022-11-14
EP3642984B1 (en) 2025-04-09
JP2022110123A (ja) 2022-07-28
KR102662012B1 (ko) 2024-04-29
KR20200018466A (ko) 2020-02-19
TWI794239B (zh) 2023-03-01
WO2018236586A1 (en) 2018-12-27
US11032844B2 (en) 2021-06-08
EP3780451A1 (en) 2021-02-17
BR112019026427A2 (pt) 2020-07-21
JP2020524938A (ja) 2020-08-20

Similar Documents

Publication Publication Date Title
CN110800234B (zh) 用于物理共享信道传输至确收延迟优化的方法和装置
CN114051762B (zh) 用于多个下行链路控制信息信号下的数据传输可靠性的方法和设备
CN112640350B (zh) 用于多发送接收点发送的反馈设计
CN111684748B (zh) 用于调度请求和上行链路控制信息的冲突避免
CN111279641B (zh) 用于无线通信的方法和装置
CN112514466A (zh) 上行链路功率修改和通信方案改变请求
CN111656839A (zh) 基于传输配置指示的波束切换
KR20200004349A (ko) PDCP(packet data convergence protocol) 엔티티에서의 패킷 복제
CN112470418B (zh) 用于低时延通信的到期时段
CN113039742A (zh) 无线通信中的确认反馈技术
CN112136282B (zh) 指示媒体接入控制(mac)-控制元素(ce)信息
CN114450909A (zh) 用调度下行链路控制信息触发功率节省模式
CN115176432B (zh) 避免跨多个无线电接入技术的双连通性模式中针对承载的分组数据汇聚协议空洞
CN113728695B (zh) 具有多个监视时机的寻呼
CN114270759A (zh) 处理不同类型下行链路控制信息的下行链路分配指示符
CN114080765A (zh) 无线通信中的码块组确认反馈技术
CN114424490A (zh) 在存在半持久性调度时针对无线通信的基于组的确认反馈
CN112655160A (zh) 用于无线通信的功率控制优化
CN115699661B (zh) 用于交叉调度和参考信号触发的定时
WO2021037043A1 (en) Acknowledgment feedback for carrier aggregation
CN121548954A (zh) 使用多个波束的广播信道信令解码
HK40019710A (en) Method and apparatus for physical shared channel transmission to acknowledgement delay optimization
HK40019710B (en) Method and apparatus for physical shared channel transmission to acknowledgement delay optimization

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: 40019710

Country of ref document: HK

GR01 Patent grant
GR01 Patent grant