KR102766020B1 - 공유 통신 매체 상의 경합-기반 공존 - Google Patents

공유 통신 매체 상의 경합-기반 공존 Download PDF

Info

Publication number
KR102766020B1
KR102766020B1 KR1020187004136A KR20187004136A KR102766020B1 KR 102766020 B1 KR102766020 B1 KR 102766020B1 KR 1020187004136 A KR1020187004136 A KR 1020187004136A KR 20187004136 A KR20187004136 A KR 20187004136A KR 102766020 B1 KR102766020 B1 KR 102766020B1
Authority
KR
South Korea
Prior art keywords
subframe
information
txop
access
access point
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
KR1020187004136A
Other languages
English (en)
Korean (ko)
Other versions
KR20180042863A (ko
Inventor
타메르 아델 카도우스
나치아판 발리아판
아메드 카멜 사덱
안드레이 드라고스 라둘레스쿠
Original Assignee
퀄컴 인코포레이티드
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 퀄컴 인코포레이티드 filed Critical 퀄컴 인코포레이티드
Publication of KR20180042863A publication Critical patent/KR20180042863A/ko
Application granted granted Critical
Publication of KR102766020B1 publication Critical patent/KR102766020B1/ko
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
    • H04L5/0053—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
    • 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
    • H04L1/1607—Details of the supervisory signal
    • H04L1/1635—Cumulative acknowledgement, i.e. the acknowledgement message applying to all previous messages
    • 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
    • H04L1/1858—Transmission or retransmission of more than one copy of acknowledgement message
    • 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
    • H04L1/1867—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
    • H04L5/0001—Arrangements for dividing the transmission path
    • H04L5/0003—Two-dimensional division
    • H04L5/0005—Time-frequency
    • H04L5/0007—Time-frequency the frequencies being orthogonal, e.g. OFDM(A) or DMT
    • 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
    • H04L5/14—Two-way operation using the same type of signal, i.e. duplex
    • 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
    • H04L5/14—Two-way operation using the same type of signal, i.e. duplex
    • H04L5/1469—Two-way operation using the same type of signal, i.e. duplex using time-sharing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W48/00—Access restriction; Network selection; Access point selection
    • 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
    • H04L2001/125—Arrangements for preventing errors in the return channel
    • 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
    • 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
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W74/00—Wireless channel access
    • H04W74/08—Non-scheduled access, e.g. ALOHA
    • H04W74/0833—Random access procedures, e.g. with 4-step access
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W74/00—Wireless channel access
    • H04W74/08—Non-scheduled access, e.g. ALOHA
    • H04W74/0833—Random access procedures, e.g. with 4-step access
    • H04W74/0838—Random access procedures, e.g. with 4-step access using contention-free random access [CFRA]

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Computer Security & Cryptography (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Time-Division Multiplex Systems (AREA)
KR1020187004136A 2015-08-12 2016-08-12 공유 통신 매체 상의 경합-기반 공존 Active KR102766020B1 (ko)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US201562204303P 2015-08-12 2015-08-12
US62/204,303 2015-08-12
US15/234,991 2016-08-11
US15/234,991 US10291379B2 (en) 2015-08-12 2016-08-11 Contention-based co-existence on a shared communication medium
PCT/US2016/046779 WO2017027807A2 (en) 2015-08-12 2016-08-12 Contention-based co-existence on a shared communication medium

Publications (2)

Publication Number Publication Date
KR20180042863A KR20180042863A (ko) 2018-04-26
KR102766020B1 true KR102766020B1 (ko) 2025-02-10

Family

ID=56787717

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020187004136A Active KR102766020B1 (ko) 2015-08-12 2016-08-12 공유 통신 매체 상의 경합-기반 공존

Country Status (6)

Country Link
US (1) US10291379B2 (https=)
EP (1) EP3335348B1 (https=)
JP (1) JP6873974B2 (https=)
KR (1) KR102766020B1 (https=)
CN (1) CN107925528B (https=)
WO (1) WO2017027807A2 (https=)

Families Citing this family (46)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10201014B2 (en) 2015-08-12 2019-02-05 Qualcomm Incorporated Contention-based co-existence on a shared communication medium
US10554566B2 (en) * 2015-09-14 2020-02-04 Lenovo Innovations Limited (Hong Kong) Contention window size adjustment in a wireless communication system
CN111432488B (zh) * 2015-09-23 2023-04-18 华为技术有限公司 终端设备、网络设备、上行发送方法和上行接收方法
EP3372040B1 (en) * 2015-11-06 2022-06-29 Telefonaktiebolaget LM Ericsson (PUBL) Apparatus and method for listen before talk-based random access with partial subframes
US11452136B2 (en) 2016-08-12 2022-09-20 Futurewei Technologies, Inc System and method for network access
WO2018129672A1 (en) * 2017-01-11 2018-07-19 Qualcomm Incorporated Techniques for broadcasting paging messages in wireless communications
US10893550B2 (en) 2017-03-11 2021-01-12 Qualcomm Incorporated Numerology dependent random access timing
KR102489996B1 (ko) * 2017-03-22 2023-01-18 삼성전자 주식회사 랜덤 액세스(rach) 절차 동안 초기 빔 정렬을 수행하는 방법 및 사용자 장치
TWI664872B (zh) * 2017-05-01 2019-07-01 宏達國際電子股份有限公司 處理通道存取程序的裝置及方法
US10772110B2 (en) 2017-11-07 2020-09-08 Qualcomm Incorporated Universal channel reservation signal for medium sharing
US11552750B2 (en) 2017-12-15 2023-01-10 Qualcomm Incorporated Subband-based random access and scheduling request for new-radio-spectrum sharing (NR-SS)
EP3735065B1 (en) 2017-12-29 2023-08-02 Guangdong Oppo Mobile Telecommunications Corp., Ltd. Paging methods, network device and terminal device
BR112020014170A2 (pt) 2018-01-12 2020-12-08 Guangdong Oppo Mobile Telecommunications Corp., Ltd. Método de transmissão de sinal e dispositivo de transmissão de sinal
US11271707B2 (en) * 2018-01-23 2022-03-08 Qualcomm Incorporated Immediate responses under time division multiplexed (TDM) access
US20190373419A1 (en) * 2018-05-30 2019-12-05 Peloton Technology, Inc. Voice communications for platooning vehicles
WO2020014855A1 (en) * 2018-07-17 2020-01-23 Nokia Shanghai Bell Co., Ltd. Methods, devices and computer readable medium for early data transmission
US10432272B1 (en) 2018-11-05 2019-10-01 XCOM Labs, Inc. Variable multiple-input multiple-output downlink user equipment
US10756860B2 (en) 2018-11-05 2020-08-25 XCOM Labs, Inc. Distributed multiple-input multiple-output downlink configuration
US10659112B1 (en) 2018-11-05 2020-05-19 XCOM Labs, Inc. User equipment assisted multiple-input multiple-output downlink configuration
US10812216B2 (en) 2018-11-05 2020-10-20 XCOM Labs, Inc. Cooperative multiple-input multiple-output downlink scheduling
KR20210087089A (ko) 2018-11-27 2021-07-09 엑스콤 랩스 인코퍼레이티드 넌-코히어런트 협력 다중 입출력 통신
US11063645B2 (en) 2018-12-18 2021-07-13 XCOM Labs, Inc. Methods of wirelessly communicating with a group of devices
US10756795B2 (en) 2018-12-18 2020-08-25 XCOM Labs, Inc. User equipment with cellular link and peer-to-peer link
US11330649B2 (en) 2019-01-25 2022-05-10 XCOM Labs, Inc. Methods and systems of multi-link peer-to-peer communications
US11297613B2 (en) * 2019-01-31 2022-04-05 Qualcomm Incorporated Beam definition for directional communications
US10756767B1 (en) 2019-02-05 2020-08-25 XCOM Labs, Inc. User equipment for wirelessly communicating cellular signal with another user equipment
CN111800235B (zh) * 2019-04-08 2021-11-09 华为技术有限公司 Cot指示信息的发送方法和装置
US11032841B2 (en) 2019-04-26 2021-06-08 XCOM Labs, Inc. Downlink active set management for multiple-input multiple-output communications
US10756782B1 (en) 2019-04-26 2020-08-25 XCOM Labs, Inc. Uplink active set management for multiple-input multiple-output communications
US10686502B1 (en) 2019-04-29 2020-06-16 XCOM Labs, Inc. Downlink user equipment selection
US10735057B1 (en) 2019-04-29 2020-08-04 XCOM Labs, Inc. Uplink user equipment selection
US10951388B2 (en) 2019-05-07 2021-03-16 Verizon Patent And Licensing Inc. Managing user equipment time division duplex uplink duty cycles
US11411778B2 (en) 2019-07-12 2022-08-09 XCOM Labs, Inc. Time-division duplex multiple input multiple output calibration
US10856331B1 (en) * 2019-09-10 2020-12-01 Cypress Semiconductor Corporation Devices, systems, and methods for mitigating aggressive medium reservations
US11411779B2 (en) 2020-03-31 2022-08-09 XCOM Labs, Inc. Reference signal channel estimation
US12088499B2 (en) 2020-04-15 2024-09-10 Virewirx, Inc. System and method for reducing data packet processing false alarms
KR20230015932A (ko) 2020-05-26 2023-01-31 엑스콤 랩스 인코퍼레이티드 간섭-인식 빔포밍
US11728958B2 (en) 2020-10-13 2023-08-15 Charter Communications Operating, Llc TDD configuration coordination for networks using adjacent bands
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
CN116648867A (zh) 2020-12-16 2023-08-25 艾斯康实验室公司 具有准全向波束和定向波束的无线通信
WO2022241436A1 (en) 2021-05-14 2022-11-17 XCOM Labs, Inc. Scrambling identifiers for wireless communication systems
DE102022111574A1 (de) * 2022-05-10 2023-11-16 Bayerische Motoren Werke Aktiengesellschaft Kommunikationsvorrichtung, Kommunikationsverfahren und Computerprogramm
CN114885376B (zh) * 2022-05-30 2024-04-09 中国联合网络通信集团有限公司 一种帧结构配置方法、装置及存储介质
US20250274976A1 (en) * 2024-02-26 2025-08-28 Qualcomm Incorporated Medium protection for shared access points in coordinated time division multiple access
GB2643727A (en) * 2024-08-29 2026-03-04 Nokia Technologies Oy Handling transmission on shared resource

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20140293910A1 (en) * 2008-11-04 2014-10-02 Apple Inc. Providing Acknowledgement Information by a Wireless Device

Family Cites Families (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1913737B1 (en) * 2005-08-04 2012-09-12 Koninklijke Philips Electronics N.V. A time-based coexistence method for wireless communication
JP4898918B2 (ja) 2006-10-02 2012-03-21 エルジー エレクトロニクス インコーポレイティド 多重搬送波システムに用いられる再伝送方法
KR100812352B1 (ko) 2006-12-08 2008-03-11 한국전자통신연구원 이동 광대역 무선 접속시스템에서의 상향링크 제어채널구조 및 할당 방법
US20080240032A1 (en) * 2007-03-27 2008-10-02 Clearwire Corporation System and method for condensed frequency reuse in a wireless communication system
CN101572945B (zh) * 2008-04-29 2011-08-24 中国移动通信集团公司 一种信道质量指示的发送资源确定方法与装置
US9083494B2 (en) 2010-03-23 2015-07-14 Qualcomm Incorporated Efficient resource utilization in TDD
US8897236B2 (en) 2010-03-26 2014-11-25 Qualcomm Incorporated Physical downlink shared channel (PDSCH) protection
WO2012040520A1 (en) 2010-09-23 2012-03-29 Interdigital Patent Holdings, Inc. Channel access systems and methods for cognitive relaying for cellular systems
EP2656676B1 (en) * 2010-12-20 2018-11-21 Nokia Technologies Oy Apparatus and method to set a control channel configuration in a communication system
WO2012156574A1 (en) 2011-05-13 2012-11-22 Nokia Corporation Interference management in wireless network
KR101829258B1 (ko) * 2011-07-18 2018-03-29 삼성전자 주식회사 무선 ｏｆｄｍ 통신 시스템에서 응답 채널 전송 방법 및 장치
CN102938690B (zh) * 2011-08-15 2015-08-26 华为技术有限公司 应答信息的发送、接收方法和设备
US20140204961A1 (en) * 2011-08-15 2014-07-24 Nokia Solutions And Networks Oy Signaling
US10681736B2 (en) 2011-10-27 2020-06-09 Lg Electronics Inc. Method for allowing terminal to perform random access step in wireless communication system and device therefor
US9973967B2 (en) 2011-12-15 2018-05-15 Nokia Solutions And Networks Oy Radio operations in a carrier aggregation system
US9681382B2 (en) * 2012-05-11 2017-06-13 Intel Corporation Radio coexistence in wireless networks
US9930678B2 (en) * 2012-07-19 2018-03-27 Qualcomm Incorporated Multiplexing UEs with different TDD configurations and some techniques to mitigate UE-to-UE and base station-to-base station interference
US10314077B2 (en) 2013-05-20 2019-06-04 Qualcomm Incorporated Gating scheme for wireless communication over unlicensed spectrum
US9648500B2 (en) * 2013-10-04 2017-05-09 Qualcomm Incorporated Techniques for enabling wireless communications using subframe structures having different subframe durations
US10015778B2 (en) 2015-03-17 2018-07-03 Telefonaktiebolaget Lm Ericsson (Publ) Systems and methods for uplink control information signaling design
US9485733B1 (en) * 2015-05-17 2016-11-01 Intel Corporation Apparatus, system and method of communicating a wakeup packet
US10201014B2 (en) 2015-08-12 2019-02-05 Qualcomm Incorporated Contention-based co-existence on a shared communication medium
US10194468B2 (en) 2016-03-04 2019-01-29 Apple Inc. Wireless channel reservation

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20140293910A1 (en) * 2008-11-04 2014-10-02 Apple Inc. Providing Acknowledgement Information by a Wireless Device

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
3GPP R1-152097*
3GPP R2-151551*

Also Published As

Publication number Publication date
US20170048047A1 (en) 2017-02-16
CN107925528A (zh) 2018-04-17
JP6873974B2 (ja) 2021-05-19
EP3335348A2 (en) 2018-06-20
WO2017027807A2 (en) 2017-02-16
JP2018530935A (ja) 2018-10-18
CN107925528B (zh) 2023-04-18
WO2017027807A3 (en) 2017-04-06
KR20180042863A (ko) 2018-04-26
US10291379B2 (en) 2019-05-14
EP3335348B1 (en) 2023-11-01

Similar Documents

Publication Publication Date Title
KR102766020B1 (ko) 공유 통신 매체 상의 경합-기반 공존
KR102634493B1 (ko) 공유 통신 매체 상의 경합-기반 공존
KR101977517B1 (ko) 공유된 통신 매체에 대한 혼합된 모드 매체 액세스 제어 (mac)
CN108141888B (zh) 用于共享射频谱带中的冲突检测的方法和装置
KR102740547B1 (ko) 공유 통신 매체를 통한 랜덤 액세스 채널 파라미터들의 시그널링
US10993151B2 (en) Cell switching for discontinuous transmission (DTX) in shared spectrum
JP6682000B2 (ja) アップリンク制御チャネル上で送信をするためのパラメータを決定するための方法
KR102556352B1 (ko) 공유된 통신 매체 상에서의 재경합-기반 공존
KR102555335B1 (ko) 공유된 통신 매체 상에서의 재경합-기반 공존
KR102555786B1 (ko) 공유된 통신 매체 상에서의 재경합-기반 공존
EP3272173B1 (en) Listen-before-talk operation with freeze interval
KR20170015251A (ko) 비면허 대역 채널에서 클리어 채널 평가에 근거한 신호 전송 방법 및 이동 통신 시스템
BR112018002624B1 (pt) Coexistência baseada em contenção em um meio de comunicação compartilhado

Legal Events

Date Code Title Description
PA0105 International application

St.27 status event code: A-0-1-A10-A15-nap-PA0105

PG1501 Laying open of application

St.27 status event code: A-1-1-Q10-Q12-nap-PG1501

A201 Request for examination
PA0201 Request for examination

St.27 status event code: A-1-2-D10-D11-exm-PA0201

E902 Notification of reason for refusal
PE0902 Notice of grounds for rejection

St.27 status event code: A-1-2-D10-D21-exm-PE0902

E13-X000 Pre-grant limitation requested

St.27 status event code: A-2-3-E10-E13-lim-X000

P11-X000 Amendment of application requested

St.27 status event code: A-2-2-P10-P11-nap-X000

P13-X000 Application amended

St.27 status event code: A-2-2-P10-P13-nap-X000

E701 Decision to grant or registration of patent right
PE0701 Decision of registration

St.27 status event code: A-1-2-D10-D22-exm-PE0701

GRNT Written decision to grant
PR0701 Registration of establishment

St.27 status event code: A-2-4-F10-F11-exm-PR0701

PR1002 Payment of registration fee

St.27 status event code: A-2-2-U10-U12-oth-PR1002

Fee payment year number: 1

PG1601 Publication of registration

St.27 status event code: A-4-4-Q10-Q13-nap-PG1601

P22-X000 Classification modified

St.27 status event code: A-4-4-P10-P22-nap-X000