CN106537971B8 - 控制确定无线链路失败的等待时间的方法和装置 - Google Patents

控制确定无线链路失败的等待时间的方法和装置 Download PDF

Info

Publication number
CN106537971B8
CN106537971B8 CN201580026113.1A CN201580026113A CN106537971B8 CN 106537971 B8 CN106537971 B8 CN 106537971B8 CN 201580026113 A CN201580026113 A CN 201580026113A CN 106537971 B8 CN106537971 B8 CN 106537971B8
Authority
CN
China
Prior art keywords
radio link
link failure
timer
determining
waiting time
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
CN201580026113.1A
Other languages
English (en)
Chinese (zh)
Other versions
CN106537971B (zh
CN106537971A (zh
Inventor
文廷民
A.尼加姆
郑丁寿
柳善姬
李晟镇
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.)
Samsung Electronics Co Ltd
Original Assignee
Samsung Electronics Co Ltd
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 Samsung Electronics Co Ltd filed Critical Samsung Electronics Co Ltd
Priority to CN202011438215.3A priority Critical patent/CN112584456B/zh
Publication of CN106537971A publication Critical patent/CN106537971A/zh
Publication of CN106537971B publication Critical patent/CN106537971B/zh
Application granted granted Critical
Publication of CN106537971B8 publication Critical patent/CN106537971B8/zh
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W24/00Supervisory, monitoring or testing arrangements
    • H04W24/08Testing, supervising or monitoring using real traffic
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B17/00Monitoring; Testing
    • H04B17/30Monitoring; Testing of propagation channels
    • H04B17/309Measuring or estimating channel quality parameters
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L41/00Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
    • H04L41/06Management of faults, events, alarms or notifications
    • H04L41/0604Management of faults, events, alarms or notifications using filtering, e.g. reduction of information by using priority, element types, position or time
    • H04L41/0622Management of faults, events, alarms or notifications using filtering, e.g. reduction of information by using priority, element types, position or time based on time
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W24/00Supervisory, monitoring or testing arrangements
    • H04W24/10Scheduling measurement reports ; Arrangements for measurement reports
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W36/00Hand-off or reselection arrangements
    • H04W36/24Reselection being triggered by specific parameters
    • H04W36/249Reselection being triggered by specific parameters according to timing information
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W36/00Hand-off or reselection arrangements
    • H04W36/24Reselection being triggered by specific parameters
    • H04W36/30Reselection being triggered by specific parameters by measured or perceived connection quality data
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W36/00Hand-off or reselection arrangements
    • H04W36/24Reselection being triggered by specific parameters
    • H04W36/30Reselection being triggered by specific parameters by measured or perceived connection quality data
    • H04W36/305Handover due to radio link failure
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W36/00Hand-off or reselection arrangements
    • H04W36/34Reselection control
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W76/00Connection management
    • H04W76/10Connection setup
    • H04W76/18Management of setup rejection or failure
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W76/00Connection management
    • H04W76/10Connection setup
    • H04W76/19Connection re-establishment
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W76/00Connection management
    • H04W76/30Connection release
    • H04W76/38Connection release triggered by timers

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Quality & Reliability (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Mobile Radio Communication Systems (AREA)
CN201580026113.1A 2014-03-21 2015-03-20 控制确定无线链路失败的等待时间的方法和装置 Active CN106537971B8 (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011438215.3A CN112584456B (zh) 2014-03-21 2015-03-20 控制确定无线链路失败的等待时间的方法和装置

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
KR10-2014-0033479 2014-03-21
KR20140033479 2014-03-21
PCT/KR2015/002777 WO2015142128A1 (en) 2014-03-21 2015-03-20 Method and apparatus for controlling waiting time for determination of radio link failure in wireless communication system

Related Child Applications (1)

Application Number Title Priority Date Filing Date
CN202011438215.3A Division CN112584456B (zh) 2014-03-21 2015-03-20 控制确定无线链路失败的等待时间的方法和装置

Publications (3)

Publication Number Publication Date
CN106537971A CN106537971A (zh) 2017-03-22
CN106537971B CN106537971B (zh) 2020-12-25
CN106537971B8 true CN106537971B8 (zh) 2021-03-05

Family

ID=54143414

Family Applications (2)

Application Number Title Priority Date Filing Date
CN201580026113.1A Active CN106537971B8 (zh) 2014-03-21 2015-03-20 控制确定无线链路失败的等待时间的方法和装置
CN202011438215.3A Active CN112584456B (zh) 2014-03-21 2015-03-20 控制确定无线链路失败的等待时间的方法和装置

Family Applications After (1)

Application Number Title Priority Date Filing Date
CN202011438215.3A Active CN112584456B (zh) 2014-03-21 2015-03-20 控制确定无线链路失败的等待时间的方法和装置

Country Status (7)

Country Link
US (4) US9924419B2 (https=)
EP (2) EP3120596B1 (https=)
JP (1) JP6536913B2 (https=)
KR (1) KR102287866B1 (https=)
CN (2) CN106537971B8 (https=)
AU (1) AU2015232126B2 (https=)
WO (1) WO2015142128A1 (https=)

Families Citing this family (50)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
MY188887A (en) * 2014-03-21 2022-01-12 Ericsson Telefon Ab L M Mobility robustness in a cellular network
WO2015163747A1 (ko) * 2014-04-25 2015-10-29 엘지전자 주식회사 무선 통신 시스템에서 단말에 의해 수행되는 무선 링크 실패 선언 방법 및 상기 방법을 이용하는 단말
CN111432420A (zh) * 2014-06-23 2020-07-17 索尼公司 无线通信系统中的电子设备以及进行移动性测量的方法
CN107210826B (zh) * 2015-01-30 2021-06-29 Lg 电子株式会社 无线通信系统中的无线电链路监测方法及其设备
WO2016148487A1 (ko) * 2015-03-18 2016-09-22 엘지전자 주식회사 무선 통신 시스템에서 접속 손실을 처리하는 방법 및 이를 위한 장치
US10542469B2 (en) * 2015-08-21 2020-01-21 Samsung Electronics Co., Ltd. Apparatus and method for supporting handover with multi-connectivity in wireless communication system
EP3373639B1 (en) 2015-11-03 2021-04-07 LG Electronics Inc. Method and device for performing measurement report by terminal on basis of ttt abort timer
WO2017075824A1 (zh) 2015-11-06 2017-05-11 广东欧珀移动通信有限公司 锚点更换的方法及设备
JP2019091954A (ja) * 2016-03-23 2019-06-13 シャープ株式会社 端末装置、基地局装置、通信方法、および、集積回路
JP6917390B2 (ja) * 2016-04-01 2021-08-11 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) ハンドオーバにおけるリソース設定のための方法およびデバイス
KR102447859B1 (ko) * 2016-04-26 2022-09-27 삼성전자 주식회사 무선 통신 시스템에서 핸드오버를 지원하는 방법 및 장치
US10502634B2 (en) * 2016-05-02 2019-12-10 Hastings Fiber Glass Products, Inc. Temperature measuring head unit for a hot stick
KR102772269B1 (ko) * 2017-02-03 2025-02-25 삼성전자 주식회사 이동통신 시스템에서 다중 연결을 사용한 핸드오버 시 보안 키를 처리하는 방법 및 장치
WO2018172605A1 (en) * 2017-03-20 2018-09-27 Nokia Technologies Oy Radio link management
US10986548B2 (en) * 2017-03-23 2021-04-20 Apple Inc. Enhanced conditional handover
PL3611963T3 (pl) * 2017-04-14 2022-10-03 Beijing Xiaomi Mobile Software Co., Ltd. Sposób i urządzenie do przełączania komórek oraz urządzenie użytkownika
US10085213B1 (en) * 2017-05-15 2018-09-25 Apple Inc. Device, system, and method for a high power mode for a cellular connection
CN109392031B (zh) * 2017-08-04 2020-08-28 北京佰才邦技术有限公司 一种小区切换方法、终端设备及原基站
EP3666033B1 (en) * 2017-08-11 2022-03-09 Telefonaktiebolaget LM Ericsson (Publ) Aperiodic and periodic indications for blf and rlf
RU2741612C1 (ru) * 2017-09-12 2021-01-27 Гуандун Оппо Мобайл Телекоммьюникейшнс Корп., Лтд. Способ обработки информации, высокоуровневый функциональный объект и компьютерный носитель данных
US11490304B2 (en) * 2018-01-08 2022-11-01 Lenovo (Beijing) Limited Method and apparatus for UE handover
CN110072244B (zh) * 2018-01-24 2022-07-29 大唐移动通信设备有限公司 一种无线链路失败定时器的控制方法及设备
CN110611581A (zh) 2018-06-15 2019-12-24 维沃移动通信有限公司 一种小区管理方法、终端及网络侧设备
CN110798867B (zh) * 2018-08-01 2024-04-19 夏普株式会社 用户设备的控制方法以及用户设备
CN112106403B (zh) * 2018-09-27 2022-03-22 Oppo广东移动通信有限公司 一种切换定时方法、终端设备及网络设备
US11871472B2 (en) * 2018-09-27 2024-01-09 Telefonaktiebolaget Lm Ericsson (Publ) Methods and apparatuses for wireless device timer configuration
WO2020091661A1 (en) * 2018-11-01 2020-05-07 Telefonaktiebolaget Lm Ericsson (Publ) Mobility procedure
US11184232B2 (en) * 2018-11-26 2021-11-23 Eagle Technology, Llc Radio frequency (RF) communication system providing enhanced RF equipment configuration updates for mobile vehicles based upon reward matrices and related methods
EP3681243B1 (en) * 2019-01-10 2023-11-15 Nokia Technologies Oy Improving communication efficiency
KR102943173B1 (ko) * 2019-01-22 2026-03-25 삼성전자주식회사 사이드링크 통신에서 rlm 및 rlf를 수행하는 방법 및 장치
WO2020162704A1 (en) 2019-02-08 2020-08-13 Samsung Electronics Co., Ltd. Method and apparatus for performing communication in wireless communication system
CN111565426B (zh) 2019-02-14 2024-01-16 华为技术有限公司 信息传输的方法及装置
EP3925284B1 (en) 2019-02-14 2025-10-08 ZTE Corporation Mobility enhancement in a connected state
CN111615155B (zh) * 2019-04-09 2022-03-15 维沃移动通信有限公司 终端切换方法及通信设备
US11956683B2 (en) 2019-05-02 2024-04-09 Nokia Technologies Oy Robust beam failure recovery using a non-serving cell
WO2021006791A1 (en) * 2019-07-05 2021-01-14 Telefonaktiebolaget Lm Ericsson (Publ) Early radio link issue indication
WO2021033023A1 (en) * 2019-08-21 2021-02-25 Lenovo (Singapore) Pte. Ltd. Radio link failure recovery
EP4032363B1 (en) * 2019-09-19 2026-04-29 Lenovo (Singapore) Pte. Ltd. Providing a radio link failure indication
WO2021063487A1 (en) * 2019-10-01 2021-04-08 Nokia Technologies Oy Enhanced radio link failure detection for wireless networks
WO2021091338A1 (en) 2019-11-07 2021-05-14 Lg Electronics Inc. Method and apparatus for handling timer related to radio link failure in wireless communication system
US11076439B2 (en) 2020-01-01 2021-07-27 PanPsy Technologies, LLC Wireless device and wireless network processes for secondary cell to primary cell scheduling
CN113747610B (zh) * 2020-05-28 2024-08-23 上海朗帛通信技术有限公司 一种被用于无线通信的通信节点中的方法和装置
CN113676942B (zh) * 2020-05-15 2023-09-26 上海朗帛通信技术有限公司 一种被用于无线通信的节点中的方法和装置
CN114390616B (zh) 2020-10-20 2023-10-10 大唐移动通信设备有限公司 一种mro临界场景的判定方法、装置及设备
CN114845319B (zh) * 2021-02-02 2024-11-12 中国电信股份有限公司 基于主辅小区改变的网络配置优化方法、系统和用户设备
US20240147537A1 (en) * 2021-03-29 2024-05-02 Lg Electronics Inc. Communications involving ntns
WO2022205361A1 (en) * 2021-04-01 2022-10-06 Lenovo (Beijing) Limited Method and apparatus for conditional handover in network
US12010568B2 (en) 2021-04-23 2024-06-11 Qualcomm Incorporated Device performance when T312 configured
CN119234466A (zh) * 2022-04-26 2024-12-31 交互数字专利控股公司 用于无线系统中的增强rlf处理的方法和装置
CN114630366B (zh) * 2022-05-17 2023-05-09 深圳传音控股股份有限公司 控制方法、通信设备及存储介质

Family Cites Families (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6587441B1 (en) * 1999-01-22 2003-07-01 Technology Alternatives, Inc. Method and apparatus for transportation of data over a managed wireless network using unique communication protocol
CN101132611B (zh) * 2006-08-24 2012-04-04 华为技术有限公司 长期演进系统中控制连接重建的方法、终端
JP5538802B2 (ja) * 2008-11-04 2014-07-02 三菱電機株式会社 通信方法、移動体通信システム、移動端末および基地局制御装置
US9107133B2 (en) 2009-01-06 2015-08-11 Qualcomm Incorporated Adaptation of handover parameters
KR101554456B1 (ko) * 2009-01-30 2015-09-18 인터디지탈 패튼 홀딩스, 인크 물리 전용 채널 확립 및 모니터링 절차를 수행하는 방법 및 장치
US8711709B2 (en) * 2009-03-12 2014-04-29 Interdigital Patent Holdings, Inc. Method and apparatus for monitoring for a radio link failure
US8700029B2 (en) * 2009-03-22 2014-04-15 Htc Corporation Method of handling radio link failure detection in a wireless communication system and related communication device
US20100240359A1 (en) * 2009-03-22 2010-09-23 Chih-Hsiang Wu Method of Handling Radio link Failure in a Wireless Communication System and Related Communication Device
US8295165B2 (en) * 2009-07-27 2012-10-23 Lg Electronics Inc. Apparatus and method for handling radio link failure in wireless communication system
CN101998474B (zh) * 2009-08-13 2012-07-18 电信科学技术研究院 一种载波聚合技术中的无线链路失败判决方法及装置
US8892101B2 (en) * 2009-11-23 2014-11-18 Nokia Corporation Radio problem detection assisted rescue handover
US8605684B2 (en) * 2010-01-08 2013-12-10 Blackberry Limited System and method for coordinated multi-point network operation to reduce radio link failure
BR112012012353A2 (pt) * 2010-02-10 2016-03-22 Research In Motion Ltd método e aparelho para transição de modo/estado
EP2550772B1 (en) * 2010-03-22 2013-12-11 Telefonaktiebolaget LM Ericsson (publ) Apparatus and method in a telecommunications network
US9084195B2 (en) * 2010-04-01 2015-07-14 Nokia Technologies Oy Multiple timing advance and carrier aggregation
US9107102B2 (en) * 2010-04-28 2015-08-11 Lg Electronics Inc. Method and apparatus for reporting a cell quality measurement result for MDT by a terminal
EP2387271B1 (en) * 2010-05-11 2015-10-21 Telefonaktiebolaget L M Ericsson (publ) Handover measurement transmission depending on handover probability
US8305966B2 (en) * 2010-06-29 2012-11-06 Intel Corporation Femto backhaul fault detection and recovery
EP2641422B1 (en) * 2010-11-18 2019-05-01 Nokia Solutions and Networks Oy Enhanced connection recovery method for multi-rat deployments
US8977268B2 (en) * 2011-07-21 2015-03-10 Alcatel Lucent Methods and systems for controlling handovers in a co-channel network
US9055560B2 (en) * 2012-01-18 2015-06-09 Mediatek Inc. Method of enhanced connection recovery and loss-less data recovery
WO2013115715A1 (en) * 2012-01-30 2013-08-08 Telefonaktiebolaget L M Ericsson (Publ) User equipment, radio base station and methods for controlling a time alignment timer
WO2013151279A1 (ko) * 2012-04-02 2013-10-10 엘지전자 주식회사 무선 통신 시스템에서 단말의 셀 재선택 방법 및 이를 위한 장치
US9210619B2 (en) * 2012-06-20 2015-12-08 Ofinno Technologies, Llc Signalling mechanisms for wireless device handover
WO2014010892A1 (ko) 2012-07-11 2014-01-16 엘지전자 주식회사 셀 대한 측정을 수행하는 방법 및 단말
CN103731894B (zh) * 2012-10-12 2018-01-02 华为终端(东莞)有限公司 网络切换方法及装置
US9723647B2 (en) * 2013-02-01 2017-08-01 Nokia Solutions And Networks Oy Handling a radio link failure in communications
US20140274006A1 (en) * 2013-03-15 2014-09-18 Qualcomm Incorporated System and methods for avoiding call failures in dual-sim devices
ES2769858T3 (es) * 2013-04-01 2020-06-29 Innovative Sonic Corp Método y aparato para añadir células de servicio en un sistema de comunicación inalámbrica
EP3193558B1 (en) * 2013-08-09 2018-06-20 HTC Corporation Method, device and network for radio network temporary identifier allocation in dual connectivity

Also Published As

Publication number Publication date
US10638383B2 (en) 2020-04-28
CN106537971B (zh) 2020-12-25
AU2015232126A1 (en) 2016-09-15
US20150271717A1 (en) 2015-09-24
US11265778B2 (en) 2022-03-01
WO2015142128A1 (en) 2015-09-24
US20180160343A1 (en) 2018-06-07
JP2017508404A (ja) 2017-03-23
US10313935B2 (en) 2019-06-04
EP3823350B1 (en) 2025-09-10
CN112584456A (zh) 2021-03-30
AU2015232126B2 (en) 2018-08-30
CN106537971A (zh) 2017-03-22
CN112584456B (zh) 2024-08-13
US9924419B2 (en) 2018-03-20
EP3120596B1 (en) 2020-09-09
EP3120596A1 (en) 2017-01-25
KR20150110407A (ko) 2015-10-02
US20190281512A1 (en) 2019-09-12
KR102287866B1 (ko) 2021-08-10
EP3120596A4 (en) 2017-12-06
US20200260346A1 (en) 2020-08-13
EP3823350A1 (en) 2021-05-19
JP6536913B2 (ja) 2019-07-03

Similar Documents

Publication Publication Date Title
CN106537971B8 (zh) 控制确定无线链路失败的等待时间的方法和装置
EP3678438A4 (en) METHOD OF SENDING A SIDELINK MESSAGE WITH A TERMINAL IN A WIRELESS COMMUNICATION SYSTEM AND TERMINAL USING THE METHOD
EP3672338A4 (en) METHOD OF SENDING A V2X MESSAGE BY A TERMINAL IN A WIRELESS COMMUNICATION SYSTEM AND TERMINAL USING THE METHOD
EP3110064A4 (en) Method for reporting channel status information in wireless communication system supporting change in use of wireless resources, and device therefor
EP3136811A4 (en) Device-to-device (d2d) operation method carried out by terminal in rrc connection state in wireless communication system, and terminal using the method
EP4304287A3 (en) Method for selecting, in selection period, subframe excluding subframe relating to subframe in which transmission has been performed during sensing period in wireless communication system, and terminal using same
EP3276990A4 (en) Method for monitoring ue reachability in wireless communication system, and apparatus therefor
EP3125627A4 (en) Method for device-to-device (d2d) operation performed by terminal in wireless communication system, and terminal using the method
EP3255825A4 (en) Method for reporting channel state in wireless communication system, and apparatus therefor
EP3284303A4 (en) Method and apparatus for performing extended drx operation based on uplink indication in wireless communication system
EP3182751A4 (en) Method for monitoring ue reachability in wireless communication system, and device for same
EP3382903A4 (en) METHOD FOR TRANSMITTING AND RECEIVING CHANNEL STATUS INFORMATION IN A WIRELESS COMMUNICATION SYSTEM AND DEVICE THEREFOR
MX362925B (es) Sistema y método para conexiones siempre encendidas en sistemas de comunicaciones inalámbricas.
EP3133843A4 (en) Method for proximity-based notification in wireless communication system, and device for same
EP3282626A4 (en) Method for transmitting and receiving signal based on shared resource in wireless communication system, and apparatus therefor
EP3313140A4 (en) Method for setting nav in wireless communication system, and related device
WO2014145483A3 (en) Detecting missing rrc connection release message
BR112017026583A2 (pt) habilitar reutilização de canal para bbs seletivo
EP3097650A4 (en) Method and apparatus for transmitting information on device-to-device resources in wireless communication system
MY195503A (en) Traffic Control Method and Apparatus
EP3383098A4 (en) Wireless communication system, and apparatus and method in wireless communication system
EP3136797A4 (en) Method for determining transmission power for direct communication between terminals in wireless communication system, and apparatus for same
EP3122128A4 (en) Method for device-to-device (d2d) operation performed by terminal in wireless communication system and terminal using the method
EP3122127A4 (en) Method for device-to-device (d2d) operation performed by terminal in wireless communication system and terminal using the method
HUE058810T2 (hu) Felfelé irányuló, támogatás nélküli átvitel kialakításának eljárása és eszköze

Legal Events

Date Code Title Description
C06 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
CI03 Correction of invention patent
CI03 Correction of invention patent

Correction item: Inventor

Correct: Wen Tingmin|A. Nicam|Zheng Dingshou|Liu Shanji|Li Chengzhen

False: Wen Qianmin|A. Nicam|Zheng Dingshou|Liu Shanji|Li Chengzhen

Number: 52-02

Page: The title page

Volume: 36

Correction item: Inventor

Correct: Wen Tingmin|A. Nicam|Zheng Dingshou|Liu Shanji|Li Chengzhen

False: Wen Qianmin|A. Nicam|Zheng Dingshou|Liu Shanji|Li Chengzhen

Number: 52-02

Volume: 36