Processing

Please wait...

PATENTSCOPE will be unavailable a few hours for maintenance reason on Saturday 31.10.2020 at 7:00 AM CET
Settings

Settings

Goto Application

1. WO2020191631 - SLOT FORMAT INDICATION METHOD AND APPARATUS

Publication Number WO/2020/191631
Publication Date 01.10.2020
International Application No. PCT/CN2019/079749
International Filing Date 26.03.2019
IPC
H04W 72/04 2009.01
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
WWIRELESS COMMUNICATION NETWORKS
72Local resource management, e.g. selection or allocation of wireless resources or wireless traffic scheduling
04Wireless resource allocation
H04W 74/08 2009.01
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
WWIRELESS COMMUNICATION NETWORKS
74Wireless channel access, e.g. scheduled or random access
08Non-scheduled access, e.g. random access, ALOHA or CSMA
H04L 5/00 2006.01
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
5Arrangements affording multiple use of the transmission path
CPC
H04L 5/0053
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
5Arrangements affording multiple use of the transmission path
003Arrangements for allocating sub-channels of the transmission path
0053Allocation of signaling, i.e. of overhead other than pilot signals
H04L 5/0078
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
5Arrangements affording multiple use of the transmission path
003Arrangements for allocating sub-channels of the transmission path
0078Timing of allocation
H04W 72/042
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
WWIRELESS COMMUNICATION NETWORKS
72Local resource management, e.g. wireless traffic scheduling or selection or allocation of wireless resources
04Wireless resource allocation
0406involving control information exchange between nodes
042in downlink direction of a wireless link, i.e. towards terminal
H04W 72/0453
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
WWIRELESS COMMUNICATION NETWORKS
72Local resource management, e.g. wireless traffic scheduling or selection or allocation of wireless resources
04Wireless resource allocation
044where an allocation plan is defined based on the type of the allocated resource
0453the resource being a frequency, carrier or frequency band
H04W 74/0808
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
WWIRELESS COMMUNICATION NETWORKS
74Wireless channel access, e.g. scheduled or random access
08Non-scheduled ; or contention based; access, e.g. random access, ALOHA, CSMA [Carrier Sense Multiple Access]
0808using carrier sensing, e.g. as in CSMA
Applicants
  • 北京小米移动软件有限公司 BEIJING XIAOMI MOBILE SOFTWARE CO., LTD. [CN]/[CN]
Inventors
  • 李明菊 LI, Mingju
Agents
  • 北京尚伦律师事务所 SUNLAND LAW FIRM
Priority Data
Publication Language Chinese (ZH)
Filing Language Chinese (ZH)
Designated States
Title
(EN) SLOT FORMAT INDICATION METHOD AND APPARATUS
(FR) PROCÉDÉ ET APPAREIL D'INDICATION DE FORMAT D'INTERVALLE
(ZH) 时隙格式指示方法及装置
Abstract
(EN)
The present invention relates to a slot format indication method and apparatus. The method comprises: after listen-before-talk (LBT) is performed on an activated bandwidth part (BWP) on a target serving cell corresponding to a terminal, determining a target LBT BW unit, a corresponding channel of which is idle, from among various LBT channel detection bandwidth (BW) units comprised in the activated BWP; and sending downlink control information (DCI) to the terminal, wherein the DCI comprises a slot format indication (SFI) of the target LBT BW unit. According to the technical solution, by means of indicating an SFI on the basis of an LBT channel detection bandwidth unit, and notifying a terminal that channels corresponding to which of the LBT BW units are idle, the terminal obtains a specific SFI and an applicable LBT BW unit, the specific indication of a slot format is realized, and the reliability of a system can be improved.
(FR)
La présente invention concerne un procédé et un appareil d'indication de format d'intervalle. Le procédé comprend les étapes consistant à : après exécution d'une écoute avant conversation (LBT) sur une partie de bande passante (BWP) activée sur une cellule de desserte cible correspondant à un terminal, déterminer une unité de BW de LBT cible dont un canal correspondant est inactif parmi diverses unités de bande passante (BW) de détection de canal de LBT comprises dans la BWP activée; et envoyer au terminal des informations de commande de liaison descendante (DCI), les DCI contenant une indication de format d'intervalle (SFI) de l'unité de BW de LBT cible. Grâce à la solution technique, en indiquant une SFI sur la base d'une unité de bande passante de détection de canal de LBT et en notifiant à un terminal que des canaux correspondant à ceux des unités de BW de LBT sont inactifs, le terminal obtient une SFI spécifique et une unité de BW de LBT applicable, l'indication spécifique d'un format d'intervalle est effectuée et la fiabilité d'un système peut être améliorée.
(ZH)
本发明是关于一种时隙格式指示方法及装置。该方法包括:在与终端对应的目标服务小区上的激活部分带宽BWP上进行先听后说LBT之后,确定所述激活BWP所包括的各个LBT信道检测带宽单元BW unit中对应的信道空闲的目标LBT BW unit;向所述终端发送下行控制信息DCI,其中,所述DCI中包括目标LBT BW unit的时隙格式指示SFI。该技术方案通过基于LBT信道检测带宽单元来指示SFI,并告知终端哪些LBT BW unit对应的信道空闲,使终端获得明确的SFI与适用的LBT BW unit,实现时隙格式的明确指示,能够提高系统的可靠性。
Also published as
CN201980000539.8
Latest bibliographic data on file with the International Bureau