KR20200027954A - 자율 전송을 위한 방법 및 장치 - Google Patents
자율 전송을 위한 방법 및 장치 Download PDFInfo
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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
- H04L1/1822—Automatic repetition systems, e.g. Van Duuren systems involving configuration of automatic repeat request [ARQ] with parallel processes
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
- H04W28/02—Traffic management, e.g. flow control or congestion control
- H04W28/04—Error control
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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
- H04L1/1825—Adaptation of specific ARQ protocol parameters according to transmission conditions
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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
- H04L1/1812—Hybrid protocols; Hybrid automatic repeat request [HARQ]
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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
- H04L1/1867—Arrangements specially adapted for the transmitter end
- H04L1/1887—Scheduling and prioritising arrangements
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- 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
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- 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
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- H—ELECTRICITY
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- H04W16/14—Spectrum sharing arrangements between different networks
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- H—ELECTRICITY
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- H04W72/044—Wireless resource allocation based on the type of the allocated resource
- H04W72/0446—Resources in time domain, e.g. slots or frames
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- H—ELECTRICITY
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- H—ELECTRICITY
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- H04W72/00—Local resource management
- H04W72/12—Wireless traffic scheduling
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/12—Wireless traffic scheduling
- H04W72/1263—Mapping of traffic onto schedule, e.g. scheduled allocation or multiplexing of flows
- H04W72/1268—Mapping of traffic onto schedule, e.g. scheduled allocation or multiplexing of flows of uplink data flows
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- H04W72/14—
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- 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
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- 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
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W74/00—Wireless channel access
- H04W74/08—Non-scheduled access, e.g. ALOHA
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W74/00—Wireless channel access
- H04W74/08—Non-scheduled access, e.g. ALOHA
- H04W74/0808—Non-scheduled access, e.g. ALOHA using carrier sensing, e.g. carrier sense multiple access [CSMA]
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Abstract
Description
도 2는 동적 스케줄링에 의한 UL HARQ 동작의 예를 보여준다.
도 3은 SPS(semi-persistent scheduling)에 의한 UL HARQ 동작의 예를 보여준다.
도 4는 SPS 윈도우의 예를 보여준다.
도 5는 SPS를 위한 HARQ 재전송의 예를 보여준다.
도 6은 동적 스케줄링과 SPS가 동일한 HARQid를 할당하여 충돌하는 예를 보여준다.
도 7은 본 발명의 실시예가 구현되는 무선통신 시스템을 나타낸 블록도이다.
뉴머럴로지 인덱스(μ) | Subcarrier spacing (kHz) | Cyclic prefix | Number of OFDM symbols per slot | Number of slots per radio frame | Number of slots per subframe |
0 | 15 | Normal | 14 | 10 | 1 |
1 | 30 | Normal | 14 | 20 | 2 |
2 | 60 | Normal | 14 | 40 | 4 |
2 | 60 | Extended | 12 | 40 | 4 |
3 | 120 | Normal | 14 | 80 | 8 |
4 | 250 | Normal | 14 | 160 | 16 |
Claims (13)
- 비면허 대역에서 자율 전송을 위한 방법에 있어서,
무선기기가 제1 상향링크 전송을 위한 SPS(semi-persistent scheduling) 설정을 수신하되, 상기 SPS 설정은 상기 제1 상향링크 전송이 허용되는 시간 영역을 나타내는 SPS 윈도우에 관한 정보를 포함하고;
상기 무선기기가 제2 상향링크 전송을 지시하는 상향링크 그랜트를 갖는 DCI(downlink control information)을 DL 채널상으로 수신하되, 상기 상향링크 그랜트는 상기 제2 상향링크 전송을 위한 제2 HARQid(hybrid automatic repeat request process identifier)를 포함하고;
상기 무선기기가 상기 SPS 윈도우에서 LBT(listen before talk)를 수행하여 무선 매체가 아이들함을 확인하면, 상기 SPS 윈도우에서 상기 제1 상향링크 전송을 수행하는 것을 포함하되,
상기 제1 상향링크 전송을 위한 제1 HARQid는 상기 제2 HARQid와 동일하지 않은 것을 특징으로 하는 방법. - 제 1 항에 있어서,
상기 SPS 설정은 상기 제1 상향링크 전송에 사용될 수 있는 기준 HARQid에 관한 정보를 더 포함하고,
상기 제1 HARQid는 상기 기준 HARQid를 기반으로 획득되는 것을 특징으로 하는 방법. - 제 1 항에 있어서,
상기 제1 HARQid는 상기 무선기기에 의해 임의로 설정되는 것을 특징으로 하는 방법. - 제 1 항에 있어서,
상기 DCI는 상기 SPS 윈도우 이전에 수신되는 것을 특징으로 하는 방법. - 제 1 항에 있어서,
상기 SPS 윈도우는 하나 또는 그 이상의 슬롯을 포함하고,
각 슬롯은 복수의 OFDM(orthogonal frequency division multiplexing) 심벌을 포함하는 것을 특징으로 하는 방법. - 제 5 항에 있어서,
상기 제1 상향링크 전송은 상기 SPS 윈도우의 슬롯내 상기 무선 매체가 아이들함을 확인된 OFDM 심벌부터 수행되는 것을 특징으로 하는 방법. - 제 1 항에 있어서,
상기 무선기기는 상기 제1 상향링크 전송의 시작을 지시하는 SPS DCI를 수신하는 것을 더 포함하는 것을 특징으로 하는 방법. - 제 1 항에 있어서,
상기 무선기기는 상기 제1 상향링크 전송에 대한 재전송 상향링크 그랜트를 갖는 재전송 DCI를 수신하는 것을 더 포함하고,
상기 재전송 DCI는 상기 제1 HARQid를 포함하는 것을 특징으로 하는 방법. - 비면허 대역에서 자율 전송을 위한 장치에 있어서,
무선 신호를 송신 및 수신하는 송수신기와
상기 송수신기에 연결되는 프로세서를 포함하되, 상기 프로세서는,
제1 상향링크 전송을 위한 SPS(semi-persistent scheduling) 설정을 상기 송수신기를 통해 수신하되, 상기 SPS 설정은 상기 제1 상향링크 전송이 허용되는 시간 영역을 나타내는 SPS 윈도우에 관한 정보를 포함하고;
제2 상향링크 전송을 지시하는 상향링크 그랜트를 갖는 DCI(downlink control information)을 DL 채널상으로 상기 송수신기를 통해 수신하되, 상기 상향링크 그랜트는 상기 제2 상향링크 전송을 위한 제2 HARQid(hybrid automatic repeat request process identifier)를 포함하고;
상기 SPS 윈도우에서 LBT(listen before talk)를 수행하여 무선 매체가 아이들함을 확인하면, 상기 SPS 윈도우에서 상기 제1 상향링크 전송을 상기 송수신기를 통해 수행하되,
상기 제1 상향링크 전송을 위한 제1 HARQid는 상기 제2 HARQid와 동일하지 않은 것을 특징으로 하는 장치. - 제 9 항에 있어서,
상기 SPS 설정은 상기 제1 상향링크 전송에 사용될 수 있는 기준 HARQid에 관한 정보를 더 포함하고,
상기 제1 HARQid는 상기 기준 HARQid를 기반으로 획득되는 것을 특징으로 하는 장치. - 제 9 항에 있어서,
상기 제1 HARQid는 상기 장치에 의해 임의로 설정되는 것을 특징으로 하는 장치. - 제 9 항에 있어서,
상기 SPS 윈도우는 하나 또는 그 이상의 슬롯을 포함하고,
각 슬롯은 복수의 OFDM(orthogonal frequency division multiplexing) 심벌을 포함하는 것을 특징으로 하는 장치. - 제 12 항에 있어서,
상기 제1 상향링크 전송은 상기 SPS 윈도우의 슬롯내 상기 무선 매체가 아이들함을 확인된 OFDM 심벌부터 수행되는 것을 특징으로 하는 장치.
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US201762541102P | 2017-08-04 | 2017-08-04 | |
US62/541,102 | 2017-08-04 | ||
US201762564273P | 2017-09-28 | 2017-09-28 | |
US62/564,273 | 2017-09-28 | ||
PCT/KR2018/008843 WO2019027285A1 (ko) | 2017-08-04 | 2018-08-03 | 자율 전송을 위한 방법 및 장치 |
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KR20200027954A true KR20200027954A (ko) | 2020-03-13 |
KR102565631B1 KR102565631B1 (ko) | 2023-08-10 |
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US (3) | US11115859B2 (ko) |
EP (1) | EP3664337B1 (ko) |
JP (1) | JP7047061B2 (ko) |
KR (1) | KR102565631B1 (ko) |
CN (1) | CN110999156B (ko) |
WO (1) | WO2019027285A1 (ko) |
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WO2019066478A1 (en) | 2017-09-28 | 2019-04-04 | Samsung Electronics Co., Ltd. | METHOD AND NETWORK NODE FOR PERFORMING DATA TRANSMISSION AND MEASUREMENTS ON MULTIPLE BANDWIDTH PARTS |
CN110351874B (zh) * | 2018-04-03 | 2021-07-23 | 北京紫光展锐通信技术有限公司 | 通知信道占用时间的方法、装置、基站及用户设备 |
CN108702777B (zh) * | 2018-05-03 | 2022-04-15 | 北京小米移动软件有限公司 | 信息发送方法及装置、基站和用户设备 |
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KR20210088228A (ko) * | 2020-01-06 | 2021-07-14 | 삼성전자주식회사 | 무선 통신 시스템에서 동기 및 비동기 데이터의 재전송 방법 및 장치 |
TWI772094B (zh) * | 2020-07-13 | 2022-07-21 | 華碩電腦股份有限公司 | 無線通訊系統中處理經配置上行鏈路准予集束的非連續接收計時器的方法和設備 |
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EP4383631A4 (en) * | 2021-08-06 | 2025-01-01 | LG Electronics Inc. | METHOD AND APPARATUS FOR TRANSMITTING UPLINK CHANNEL IN WIRELESS COMMUNICATION SYSTEM |
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JP5214027B2 (ja) | 2008-07-18 | 2013-06-19 | リサーチ イン モーション リミテッド | ハイブリッド自動再送要求のマッピング規則 |
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2018
- 2018-08-03 WO PCT/KR2018/008843 patent/WO2019027285A1/ko unknown
- 2018-08-03 US US16/636,614 patent/US11115859B2/en active Active
- 2018-08-03 JP JP2020506239A patent/JP7047061B2/ja active Active
- 2018-08-03 CN CN201880050523.3A patent/CN110999156B/zh active Active
- 2018-08-03 KR KR1020207002049A patent/KR102565631B1/ko active Active
- 2018-08-03 EP EP18840250.7A patent/EP3664337B1/en active Active
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2021
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2022
- 2022-10-19 US US17/968,992 patent/US11589260B1/en active Active
Non-Patent Citations (2)
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3GPP R1-1707536* * |
3GPP R2-1704698* * |
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EP3664337A1 (en) | 2020-06-10 |
US11589260B1 (en) | 2023-02-21 |
WO2019027285A1 (ko) | 2019-02-07 |
KR102565631B1 (ko) | 2023-08-10 |
US11838795B2 (en) | 2023-12-05 |
EP3664337A4 (en) | 2021-04-28 |
JP2020530233A (ja) | 2020-10-15 |
US11115859B2 (en) | 2021-09-07 |
US20200374748A1 (en) | 2020-11-26 |
US20230038241A1 (en) | 2023-02-09 |
US20210368387A1 (en) | 2021-11-25 |
CN110999156B (zh) | 2022-04-12 |
CN110999156A (zh) | 2020-04-10 |
JP7047061B2 (ja) | 2022-04-04 |
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