KR20180110071A - 효율적인 harq 피드백 - Google Patents

효율적인 harq 피드백 Download PDF

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Publication number
KR20180110071A
KR20180110071A KR1020187025759A KR20187025759A KR20180110071A KR 20180110071 A KR20180110071 A KR 20180110071A KR 1020187025759 A KR1020187025759 A KR 1020187025759A KR 20187025759 A KR20187025759 A KR 20187025759A KR 20180110071 A KR20180110071 A KR 20180110071A
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KR
South Korea
Prior art keywords
harq
harq feedback
wireless device
downlink
timing offset
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Ceased
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KR1020187025759A
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English (en)
Korean (ko)
Inventor
안드레아스 베리스트룀
니클라스 위베르그
마틴 헤슬러
Original Assignee
텔레폰악티에볼라겟엘엠에릭슨(펍)
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Publication of KR20180110071A publication Critical patent/KR20180110071A/ko
Ceased legal-status Critical Current

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    • 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
    • H04L1/1628—List acknowledgements, i.e. the acknowledgement message consisting of a list of identifiers, e.g. of sequence numbers
    • 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
    • H04L1/1835—Buffer management
    • 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
    • H04L1/0027—Scheduling of signalling, e.g. occurrence thereof
    • 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
    • H04L1/1621—Group acknowledgement, i.e. the acknowledgement message defining a range of identifiers, e.g. of sequence numbers
    • 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
    • H04L1/1685—Details of the supervisory signal the supervisory signal being transmitted in response to a specific request, e.g. to a polling signal
    • 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
    • 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
    • H04L1/1896—ARQ related signaling
    • H04W72/042—
    • 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
    • H04W72/20—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
    • H04W72/232—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal the control data signalling from the physical layer, e.g. DCI 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
    • H04L2001/125—Arrangements for preventing errors in the return channel

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Quality & Reliability (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Detection And Prevention Of Errors In Transmission (AREA)
KR1020187025759A 2016-02-09 2016-06-01 효율적인 harq 피드백 Ceased KR20180110071A (ko)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US201662293148P 2016-02-09 2016-02-09
US62/293,148 2016-02-09
US201662295722P 2016-02-16 2016-02-16
US62/295,722 2016-02-16
PCT/SE2016/050514 WO2017138853A1 (en) 2016-02-09 2016-06-01 Efficient harq feedback

Publications (1)

Publication Number Publication Date
KR20180110071A true KR20180110071A (ko) 2018-10-08

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KR1020187025759A Ceased KR20180110071A (ko) 2016-02-09 2016-06-01 효율적인 harq 피드백

Country Status (7)

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US (4) US10069603B2 (enExample)
EP (2) EP3414855A1 (enExample)
JP (1) JP2019510389A (enExample)
KR (1) KR20180110071A (enExample)
CN (2) CN108604946A (enExample)
MX (1) MX2018009409A (enExample)
WO (2) WO2017138853A1 (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20210126112A (ko) * 2019-02-15 2021-10-19 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. V2x harq 프로세스 관리

Families Citing this family (49)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101239252B1 (ko) 2008-03-10 2013-03-06 인터디지탈 패튼 홀딩스, 인크 반지속적 및 동적 데이터 전송을 위해 ｈａｒｑ 프로세스를 효율적으로 이용하기 위한 방법 및 장치
WO2017138853A1 (en) 2016-02-09 2017-08-17 Telefonaktiebolaget Lm Ericsson (Publ) Efficient harq feedback
EP3220681B1 (en) * 2016-03-18 2020-07-15 Nokia Technologies Oy Adaptive and dynamic qos/qoe enforcement
JPWO2017170814A1 (ja) * 2016-03-31 2019-02-14 株式会社Ｎｔｔドコモ ユーザ端末、無線基地局及び無線通信方法
WO2018014162A1 (zh) * 2016-07-18 2018-01-25 广东欧珀移动通信有限公司 传输数据的方法和装置
US10541785B2 (en) * 2016-07-18 2020-01-21 Samsung Electronics Co., Ltd. Carrier aggregation with variable transmission durations
US11146377B2 (en) * 2016-08-02 2021-10-12 Samung Electronics Co., Ltd Method and apparatus for communicating in a wireless communication system
MX2019005196A (es) 2016-11-03 2019-06-20 Guangdong Oppo Mobile Telecommunications Corp Ltd Metodo de transmision de informacion de control de enlace ascendente, dispositivo terminal y dispositivo de red.
CN108282881B (zh) * 2017-01-06 2020-12-15 华为技术有限公司 一种资源配置方法及装置
US11071130B2 (en) * 2017-02-05 2021-07-20 Lg Electronics Inc. Method for supporting plurality of transmission time intervals, plurality of subcarrier intervals or plurality of processing times in wireless communication system, and device therefor
US10667288B2 (en) * 2017-02-21 2020-05-26 Qualcomm Incorporated Techniques for configuring or transmitting grantless transmissions on beams in uplink subframes
CN109088702B (zh) 2017-06-14 2023-04-18 华为技术有限公司 通信方法、网络设备和终端
CN109275192B (zh) * 2017-07-18 2022-12-13 华为技术有限公司 用于传输信息的方法和设备
US10506468B2 (en) 2017-09-08 2019-12-10 At&T Intellectual Property I, L.P. Reporting hybrid automatic repeat request-acknowledgements in wireless communication systems
US10715283B2 (en) * 2017-10-02 2020-07-14 Kt Corporation Apparatus and method of transmitting and receiving HARQ ACK/NACK information for new radio
EP3711229A1 (en) * 2017-11-14 2020-09-23 Telefonaktiebolaget LM Ericsson (Publ) Acknowledgement signaling processes for radio access networks
WO2019095296A1 (zh) * 2017-11-17 2019-05-23 北京小米移动软件有限公司 混合自动重传请求反馈指示、反馈方法及装置和基站
EP3706349B1 (en) * 2017-11-17 2024-10-23 Beijing Xiaomi Mobile Software Co., Ltd. Hybrid automatic repeat request feedback indication and feedback method, device, and base station
JP2021516878A (ja) * 2018-01-09 2021-07-08 日本電気株式会社 方法及び端末デバイス
US10972223B2 (en) 2018-01-12 2021-04-06 Qualcomm Incorporated Timing considerations for AUL-DFI
EP3751769B1 (en) * 2018-02-14 2023-04-26 Guangdong Oppo Mobile Telecommunications Corp., Ltd. Radio communication method and terminal device
WO2019194361A1 (ko) * 2018-04-02 2019-10-10 엘지전자 주식회사 무선랜 시스템에서 프레임을 송신 또는 수신하기 위한 방법 및 이를 위한 장치
TWI716063B (zh) * 2018-08-07 2021-01-11 財團法人資訊工業策進會 用於行動通訊系統之基地台及使用者裝置
CN109075903B (zh) * 2018-08-08 2022-02-01 北京小米移动软件有限公司 混合自动重传请求harq反馈方法及装置
DE112019003556T5 (de) * 2018-08-10 2021-04-01 Lg Electronics Inc. Verfahren zum senden oder empfangen von signalen in einem drahtlosen kommunikationssystem, das ein unlizenziertes band unterstützt, und vorrichtung, die dieses unterstützt
CN110855401A (zh) * 2018-08-20 2020-02-28 华为技术有限公司 一种harq反馈方法和装置
WO2020037616A1 (zh) * 2018-08-23 2020-02-27 北京小米移动软件有限公司 混合自动重传请求反馈方法及装置、用户设备和基站
US20200106569A1 (en) * 2018-09-27 2020-04-02 Mediatek Inc. Mechanisms for postponing hybrid automatic repeat request acknowledgement (harq-ack) feedback
CN112997430A (zh) * 2018-12-28 2021-06-18 Oppo广东移动通信有限公司 无线通信方法、终端设备和网络设备
US12035312B2 (en) * 2018-12-29 2024-07-09 Beijing Xiaomi Mobile Software Co., Ltd. Communication feedback method, user device, and storage medium
US10797832B2 (en) * 2019-02-14 2020-10-06 Qualcomm Incorporated Dynamic hybrid automatic repeat request (HARQ) codebook for multi-transmit receive point (TRP) communication
US11582077B2 (en) 2019-02-25 2023-02-14 Huawei Technologies Co., Ltd. Systems and methods for transmission of uplink control information over multiple carriers in unlicensed spectrum
FR3095565A1 (fr) * 2019-04-26 2020-10-30 Orange Procédés de communication entre un terminal et une station de base, terminal, station de base et programme d’ordinateur correspondants.
MX2021013164A (es) 2019-04-30 2021-12-10 Guangdong Oppo Mobile Telecommunications Corp Ltd Metodo para la determinacion de recursos, aparato y medio de almacenamiento.
US11438794B2 (en) * 2019-05-02 2022-09-06 Mediatek Inc. Radio link monitoring in sidelink communications
WO2020237425A1 (en) 2019-05-24 2020-12-03 Qualcomm Incorporated Scheduling for improved throughput in enhanced machine-type communication
US11533738B2 (en) * 2019-06-28 2022-12-20 Qualcomm Incorporated Joint activation and/or release for multiple configured grant and/or semi-persistent scheduling configurations
US20210050947A1 (en) * 2019-08-14 2021-02-18 Mediatek Inc. Downlink feedback information for uplink data retransmission
WO2021056288A1 (zh) * 2019-09-25 2021-04-01 北京小米移动软件有限公司 接收反馈信息传输配置方法、装置、通信设备及存储介质
US11864216B2 (en) * 2019-09-30 2024-01-02 Qualcomm Incorporated Acknowledgment feedback for semi-persistent scheduling in wireless communications
US11589293B2 (en) * 2019-10-03 2023-02-21 Qualcomm Incorporated Non regular search space configuration and adaptation
US11658776B2 (en) * 2019-11-08 2023-05-23 Semiconductor Components Industries, Llc Feedback and retransmission format of HARQ protocol
US12160318B2 (en) 2019-12-13 2024-12-03 Qualcomm Incorporated HARQ feedback for DCI-based beam configuration and/or pathloss reference signal configuration
CN114337974B (zh) 2019-12-31 2023-03-24 中兴通讯股份有限公司 用于确定指示取消的信息的系统和方法
EP4088404A4 (en) 2020-02-14 2024-01-17 ZTE Corporation METHODS AND DEVICES FOR TRANSMITTING FEEDBACK INFORMATION
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
CN115699638B (zh) * 2020-06-19 2025-07-25 深圳传音控股股份有限公司 确定反馈方式的方法、通信装置及存储介质
US11799594B2 (en) * 2020-06-22 2023-10-24 Qualcomm Incorporated Methods and apparatus for transmitting a reset negative acknowledgement
US11985660B2 (en) * 2020-10-08 2024-05-14 Electronics And Telecommunications Research Institute Method and apparatus for transmitting and receiving feedback information in communication system

Family Cites Families (35)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7346018B2 (en) 2003-01-16 2008-03-18 Qualcomm, Incorporated Margin control in a data communication system
US8457091B2 (en) * 2008-12-30 2013-06-04 Interdigital Patent Holdings, Inc. Fast control channel feedback for multiple downlink carrier operations
US9191177B2 (en) 2009-05-04 2015-11-17 Qualcomm Incorporated Transmission of feedback information for multi-carrier operation
US8386875B2 (en) 2009-08-07 2013-02-26 Research In Motion Limited Method and system for handling HARQ operations during transmission mode changes
CN102111250A (zh) 2009-12-28 2011-06-29 华为技术有限公司 数据传输的方法和网络侧设备
KR20110093665A (ko) * 2010-02-10 2011-08-18 엘지전자 주식회사 무선 통신 시스템에서 피드백 전송 방법 및 장치
WO2011102325A1 (ja) 2010-02-22 2011-08-25 シャープ株式会社 移動局装置、通信方法および集積回路
KR101738893B1 (ko) 2010-06-09 2017-06-09 삼성전자주식회사 광대역 무선통신 시스템에서 복합 자동 재전송 요청 파라미터에 대한 능력 협상을 위한 장치 및 방법
CN102404096B (zh) * 2010-09-13 2015-06-03 中兴通讯股份有限公司 混合自动重传请求信息的反馈方法及终端
PL2451223T3 (pl) * 2010-11-03 2018-09-28 Samsung Electronics Co., Ltd. Generowanie informacji HARQ-ACK i sterowanie mocą sygnałów HARQ-ACK w systemach TDD o łączu pobierania z agregacją nośnych
CN103299556B (zh) * 2011-01-07 2017-05-17 交互数字专利控股公司 用于协作多点传输中下行链路共享信道接收的方法、系统和设备
CN102684852A (zh) 2011-03-31 2012-09-19 北京新岸线无线技术有限公司 一种用于帧确认的方法和装置
EP2742638A2 (en) * 2011-08-12 2014-06-18 Interdigital Patent Holdings, Inc. Flexible bandwidth operation in wireless systems
US9515780B2 (en) * 2011-12-23 2016-12-06 Nokia Technologies Oy Shifting HARQ feedback for cognitive-radio-based TD-LTE systems
KR102078366B1 (ko) 2012-03-22 2020-04-07 엘지전자 주식회사 무선 통신 시스템에서 제어정보 수신 방법 및 장치
US9705645B2 (en) * 2012-04-18 2017-07-11 Lg Electronics Inc. Method for performing HARQ for device-to-device communication in wireless communication system and device for same
US9014064B2 (en) 2012-05-11 2015-04-21 Intel Corporation Scheduling and hybrid automatic repeat request (HARQ) timing indication for an uplink-downlink (UL-DL) reconfiguration
US9699779B2 (en) * 2012-08-23 2017-07-04 Interdigital Patent Holdings, Inc. Physical layer operation for multi-layer operation in a wireless system
EP2936910B1 (en) * 2012-12-21 2016-10-05 Telefonaktiebolaget LM Ericsson (publ) Non-consecutive subframes in multi-tti scheduling messages
CN104937995B (zh) 2013-02-22 2019-08-06 英特尔Ip公司 用于接入网络选择和流量路由的系统和方法
JP2014183357A (ja) 2013-03-18 2014-09-29 Nec Corp 無線端末装置及び無線基地局並びに通信システム、通信方法、プログラム
US9839018B2 (en) * 2013-07-03 2017-12-05 Futurewei Technologies, Inc. Systems and methods for transmitting data information messages on a downlink of a wireless communication system
KR20150060118A (ko) * 2013-11-25 2015-06-03 주식회사 아이티엘 Harq ack/nack의 전송방법 및 장치
KR102281344B1 (ko) 2014-02-14 2021-07-23 엘지전자 주식회사 무선 통신 시스템에서 harq-ack 전송 방법 및 장치
US10003486B2 (en) * 2014-04-28 2018-06-19 Intel IP Corporation Non-orthogonal multiple access (NOMA) wireless systems and methods
US9642159B1 (en) * 2014-07-11 2017-05-02 Sprint Spectrum L.P. Use of indication in downlink control information messaging to signal presence of additional downlink control information messaging
US9615283B1 (en) * 2014-07-30 2017-04-04 Sprint Spectrum L.P. Dynamic management of control channel capacity
US9912504B2 (en) * 2014-07-31 2018-03-06 Futurewei Technologies, Inc. System and method for multiple carrier transmission
US9681451B1 (en) * 2014-10-08 2017-06-13 Sprint Spectrum L.P. Reducing PDCCH interference
US10575325B2 (en) 2014-10-09 2020-02-25 Acer Incorporated Device and method of handling service in unlicensed cell
US10122429B2 (en) * 2015-01-16 2018-11-06 Qualcomm Incorporated Channel state information for enhanced carrier aggregation
US9686064B2 (en) * 2015-01-21 2017-06-20 Intel IP Corporation Devices and methods for HARQ-ACK feedback scheme on PUSCH in wireless communication systems
US9629066B2 (en) 2015-02-24 2017-04-18 Huawei Technologies Co., Ltd. System and method for transmission time intervals
US10075949B2 (en) * 2016-02-02 2018-09-11 Motorola Mobility Llc Method and apparatus for low latency transmissions
WO2017138853A1 (en) 2016-02-09 2017-08-17 Telefonaktiebolaget Lm Ericsson (Publ) Efficient harq feedback

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20210126112A (ko) * 2019-02-15 2021-10-19 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. V2x harq 프로세스 관리

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CN108604946A (zh) 2018-09-28
US20190253202A1 (en) 2019-08-15
WO2017138854A1 (en) 2017-08-17
US10727988B2 (en) 2020-07-28
US10187185B2 (en) 2019-01-22
US20170373802A1 (en) 2017-12-28
CN108604945A (zh) 2018-09-28
WO2017138853A1 (en) 2017-08-17
JP2019510389A (ja) 2019-04-11
EP3414856A1 (en) 2018-12-19
US10313064B2 (en) 2019-06-04
US20170373801A1 (en) 2017-12-28
MX2018009409A (es) 2018-09-21
EP3414855A1 (en) 2018-12-19
US20180343087A1 (en) 2018-11-29
EP3414856B1 (en) 2023-03-22
US10069603B2 (en) 2018-09-04

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