KR20190127882A - 신뢰불가능한 cbg(code block group) 레벨 ack/nack 피드백 하에서 다운링크 재송신 - Google Patents

신뢰불가능한 cbg(code block group) 레벨 ack/nack 피드백 하에서 다운링크 재송신 Download PDF

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KR20190127882A
KR20190127882A KR1020197030805A KR20197030805A KR20190127882A KR 20190127882 A KR20190127882 A KR 20190127882A KR 1020197030805 A KR1020197030805 A KR 1020197030805A KR 20197030805 A KR20197030805 A KR 20197030805A KR 20190127882 A KR20190127882 A KR 20190127882A
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bitmap
received
cbgs
crc
feedback
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징 순
징 장
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퀄컴 인코포레이티드
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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
    • H04L1/18—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
    • 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
    • H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
    • H04L1/0056—Systems characterized by the type of code used
    • H04L1/0061—Error detection codes
    • 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
    • H04L1/1607—Details of the supervisory signal
    • H04L1/1614—Details of the supervisory signal using bitmaps
    • 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
    • H04L1/1845—Combining techniques, e.g. code combining
    • 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
    • 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
    • H04L1/1671—Details of the supervisory signal the supervisory signal being transmitted together with control information

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Detection And Prevention Of Errors In Transmission (AREA)
KR1020197030805A 2017-03-23 2018-02-26 신뢰불가능한 cbg(code block group) 레벨 ack/nack 피드백 하에서 다운링크 재송신 Ceased KR20190127882A (ko)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US201762475752P 2017-03-23 2017-03-23
US62/475,752 2017-03-23
US15/711,652 US10484146B2 (en) 2017-03-23 2017-09-21 Downlink retransmission under unreliable code block group (CBG) level ACK/NACK feedback
US15/711,652 2017-09-21
PCT/US2018/019724 WO2018175050A1 (en) 2017-03-23 2018-02-26 Downlink retransmission under unreliable code block group (cbg) level ack/nack feedback

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KR20190127882A true KR20190127882A (ko) 2019-11-13

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US (2) US10484146B2 (enExample)
EP (1) EP3602890B1 (enExample)
JP (2) JP7297670B2 (enExample)
KR (1) KR20190127882A (enExample)
CN (1) CN110447191B (enExample)
BR (1) BR112019019221A2 (enExample)
SG (1) SG11201907263WA (enExample)
TW (2) TWI830299B (enExample)
WO (1) WO2018175050A1 (enExample)

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US10484146B2 (en) 2017-03-23 2019-11-19 Qualcomm Incorporated Downlink retransmission under unreliable code block group (CBG) level ACK/NACK feedback
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WO2022027205A1 (zh) * 2020-08-03 2022-02-10 华为技术有限公司 一种短距离通信方法、装置及系统
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US20220022173A1 (en) * 2020-07-14 2022-01-20 Samsung Electronics Co., Ltd. Method and apparatus for determining downlink feedback information in wireless communication system
US11838918B2 (en) * 2020-07-14 2023-12-05 Samsung Electronics Co., Ltd Method and apparatus for determining downlink feedback information in wireless communication system
WO2024248176A1 (ko) * 2023-05-30 2024-12-05 엘지전자 주식회사 무선 통신 시스템에서 재전송 방법 및 장치

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Publication number Publication date
EP3602890A1 (en) 2020-02-05
TWI774731B (zh) 2022-08-21
WO2018175050A1 (en) 2018-09-27
US20200014499A1 (en) 2020-01-09
US20180278379A1 (en) 2018-09-27
US10484146B2 (en) 2019-11-19
SG11201907263WA (en) 2019-10-30
CN110447191B (zh) 2022-08-12
EP3602890B1 (en) 2022-10-12
CN110447191A (zh) 2019-11-12
TWI830299B (zh) 2024-01-21
BR112019019221A2 (pt) 2020-04-14
US10999017B2 (en) 2021-05-04
TW202247625A (zh) 2022-12-01
TW201836299A (zh) 2018-10-01
JP2022113803A (ja) 2022-08-04
JP7423693B2 (ja) 2024-01-29
JP7297670B2 (ja) 2023-06-26
JP2020512750A (ja) 2020-04-23

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