baber/WOPTO huggingface dataset:
Patent WO-2021015510-A1 (WO)
Inventor: CHA HYUNSU
IPC: H04W52/32
Filed: 2020-07-20
Abstract: 본 개시의 다양한 실시예들은 4G (4  th  generation) 무선 통신 시스템 이후 보다 높은 데이터 전송률 등을 지원하기 위한 차세대 무선 통신 시스템과 관련된 것이다. 본 개시의 다양한 실시예들에 따르면 무선 통신 시스템에서 신호를 송수신하는 방법 및 이를 지원하는 장치가 제공될 수 있다.
Patent WO-2021060703-A1 (WO)
Inventor: KANG MINWOO
IPC: G09G3/36
Filed: 2020-08-13
Abstract: A display device includes a liquid crystal panel configured to display an image corresponding to image data; a backlight unit including a first light source configured to emit blue light and a second light source configured to emit yellow light; and a controller configured to determine first color coordinates and second color coordinates based on a color gamut of the image data corresponding to a local dimming area, control the backlight unit based on the first color coordinates, and control the liquid crystal panel based on the second color coordinates.
Patent WO-2021054623-A1 (WO)
Title: Artificial turf pile implant apparatus
Inventor: KIM GAB SUN
IPC: E01C13/08
Filed: 2020-08-19
Abstract: The present invention provides an artificial turf pile implanting apparatus having a cutting device provided between an implantation stapler and a block body, wherein the cutting device includes a fixed cutter and a rotary cutter connected to the fixed cutter by means of a hinge shaft, and the rotary cutter performs brushing and cutting.
Patent WO-2022045392-A1 (WO)
Inventor: KIM KISU
IPC: H01L25/075
Filed: 2020-08-27
Abstract: A substrate for manufacturing a display device, according to the present invention, the substrate being used in a self-assembly method for mounting semiconductor light-emitting devices in preset positions by using an electric field and a magnetic field in a fluid, comprises: a base portion; assembly electrodes extending in one direction and disposed on the base portion at predetermined intervals; a dielectric layer formed on the base portion to cover the assembly electrodes; a partition portion stacked on the dielectric layer; and assembly holes which are formed by the partition portion so as to overlap the assembly electrodes and in which the semiconductor light-emitting devices are mounted, wherein a magnetic layer formed of a magnetic material is further disposed on the base portion, and at least a portion of the magnetic layer overlaps the assembly holes.
Patent WO-2021054798-A1 (WO)
Title: Transform-based image coding method and device
Inventor: KOO MOONMO
IPC: H04N19/122
Filed: 2020-09-21
Abstract: An image decoding method according to the present document comprises a step of deriving a residual sample, wherein the step of deriving the residual sample comprises the steps of: when a current block is divided into sub-partition blocks, deriving a transform kernel for an inverse primary transform applied to a sub-partition block on the basis of a horizontal or a vertical length of the sub-partition block; and deriving the residual sample from transform coefficients on the basis of the transform kernel.
Patent WO-2021101150-A1 (WO)
Inventor: KIM JEONGYUN
IPC: D06F89/02
Filed: 2020-11-10
Abstract: The present invention relates to a clothes folding apparatus which functions so that clothes are folded while being conveyed. A folding assembly constituting the clothes folding apparatus comprises: a vertical folding layer which is provided with a conveyor and in which vertical folding of input clothes is performed by a driving motor; and a horizontal folding layer which is provided below the vertical folding layer and provided with a conveyor and in which horizontal folding of loaded clothes is performed by a driving motor. The present invention includes sensor units which are provided in the vertical folding layer and the horizontal folding layer and sense the clothes to determine whether the clothes have been loaded, the length of the clothes, and whether the clothes have been folded.
Patent WO-2022102808-A1 (WO)
Title: 자동 잔수 드레인 밸브
Inventor: BAE SANGCHEOL
IPC: F16K1/42
Filed: 2020-11-12
Abstract: 자동 잔수 드레인 밸브가 개시된다. 개시된 자동 잔수 드레인 밸브는, 유체가 유동하기 위한 유로가 내부에 형성되되, 일측에 유입구(111)가 형성되며 타측에 유출구(121)가 형성된 밸브몸체(100); 상기 유입구(111)에 기준압력 미만의 압력이 형성되는 경우, 스프링(300)에 의해 상기 유입구(111)를 향하는 탄성력을 받아 유로를 개방함으로써 유입구(111)에서 유출구(121)로 유체를 드레인하고, 유입구(111)에 기준압력 이상의 압력이 형성되는 경우, 하방향으로 이동하여 유로를 폐쇄함으로써 드레인을 차단하는 차단유닛(200); 및 상기 밸브몸체(100) 내부에 배치되어 상기 차단유닛(200)을 유입구(111)를 향하는 탄성력으로 지지하는 스프링(300);을 포함하는 것을 특징으로 한다.
Patent WO-2022092444-A1 (WO)
Inventor: JUNG GIL MO
IPC: G06Q20/02
Filed: 2021-01-07
Abstract: 에스크로를 이용한 비상장주식 거래 서비스 제공 방법이 제공되며, 매도 단말로부터 주식잔고확인 및 위임장을 업로드받고, 매수 단말로부터 주식계좌번호를 입력받아 주식양수도계약을 체결하는 단계, 매수 단말로부터 기 지정된 에스크로 계좌로 매수 대금을 입금받고, 매도 단말에서 확인하도록 하는 단계, 매도 단말에서 주식계좌번호로 매도 주식을 이체한 후 거래내역서를 업로드받는 경우, 주식 이체 내역을 확인한 후 매수 단말에서 주식 이체 내역을 확인하도록 하는 단계 및 매수 단말에서 매수 대금의 이체 승인을 하는 경우, 에스크로의 매수 대금을 매도 단말의 계좌로 송금하는 단계를 포함한다.
Patent WO-2021145724-A1 (WO)
Title: Antibacterial glass composition and method for preparing same
Inventor: KIM NAMJIN
IPC: C03C4/00
Filed: 2021-01-15
Abstract: The present invention relates to an antibacterial glass composition and a method for preparing same. The antibacterial glass composition according to the present invention comprises: 15-40% by weight of SiO 2 ; 20-40% by weight of B 2 O 3 ; 10-30% by weight of at least one of Na 2 O, K 2 O, and Li 2 O; 0.1-15% by weight of at least one of MgO and TiO 2 ; 5-40% by weight of at least one of ZnO and CaO; 0.1-10% by weight of CuO; and 0.1-3% by weight of Ag2O, and thus has an excellent anti-biofilm effect.
Patent WO-2021194073-A1 (WO)
Inventor: KOH SUJEONG
IPC: H01M10/0567
Filed: 2021-01-20
Abstract: The present invention relates to a lithium secondary battery, the lithium secondary battery comprising: a cathode containing a cathode active material; an anode containing an anode active material; and an electrolyte containing a non-aqueous organic solvent, a lithium salt, and an additive represented by chemical formula 1, wherein the lithium secondary battery has a volume of 16 to 84 ㎤.
Patent WO-2021158055-A1 (WO)
Title: Electronic device including touch sensor ic and operation method thereof
Inventor: KO SEUNGHOON
IPC: G06F3/041
Filed: 2021-02-05
Abstract: An electronic device according is provided. The electronic device includes a touch sensor, a touch sensor integrated circuit (IC) configured to identify an input position on the touch sensor, a display, and a display driving IC configured to provide, to the display, at least one driving signal for driving the display, wherein the touch sensor IC is configured to measure, based on a first schedule, the input position on the touch sensor while a first driving signal among the at least one driving signal is provided from the display driving IC in a first interval, the first schedule being configured such that the at least one driving signal does not overlap a time period of the measurement of the input position, detect, based on a change of an interval of the first driving signal from the first interval to a second interval, an event in which a time period of the first driving signal being provided at least partially overlaps the time period of the measurement of the input position, and measure the input position, based on a second schedule which is different from the first schedule.
Patent WO-2022004992-A1 (WO)
Inventor: LEE KANG SU
IPC: B63B73/40
Filed: 2021-04-05
Abstract: La présente invention concerne un corps flottant auquel des installations aquatiques ou marines sont installées ou qui est relié à une partie inférieure des installations aquatiques ou marines pour maintenir les installations aquatiques ou marines sur l'eau ou la mer, le corps flottant comprenant : un corps flottant qui flotte sur l'eau ou la mer en utilisant la flottabilité ; un aimant disposé à une extrémité du corps flottant ; un élément de couplage disposé à l'autre extrémité du corps flottant correspondant à l'aimant et couplé à l'aimant ; et un câble d'amarrage installé sur une partie du corps flottant pour amarrer et maintenir le corps flottant sur l'eau ou la mer.
Patent WO-2021215797-A1 (WO)
Inventor: KIM YONG HWAN
IPC: A24F40/90
Filed: 2021-04-20
Abstract: An aerosol generating device includes: a heater configured to heat an aerosol generating material to generate an aerosol; a battery configured to supply power to the heater; a controller configured to determine an operating state of the aerosol generating device divided into a heating state and a non-heating state; a first circuit unit configured to control operation of the heater; and a second circuit unit configured to control charging and discharging of the battery, wherein the controller communicates with the first circuit unit in the heating state, communicates with the second circuit unit in the non-heating state, and, on the basis of a result of the communication, determines whether or not an abnormality has occurred according to the operating state of the aerosol generating device, thus allowing a safety accident of the aerosol generating device to be prevented in advance.
Patent WO-2022196862-A1 (WO)
Inventor: KIM TAEK HYUN
IPC: B29C51/36
Filed: 2021-05-06
Abstract: A preblowing lower chamber-equipped vacuum forming apparatus, according to the present invention, provides a structure in which an under-fabric space is sealed, the under-fabric space being under a fabric that thermally expands in a heating process for vacuum forming, and the sagging of the fabric is prevented by having a preset volume of air flow into the under-fabric space by means of a blowing device installed so as to communicate with the sealed under-fabric space, and thus vacuum forming is carried out on the fabric that is evenly heated throughout the entirety thereof, thereby enabling thickness uniformity to be secured.
Patent WO-2022005102-A1 (WO)
Title: Method and apparatus for processing multicast signal
Inventor: KWON WOOSUK
IPC: H04L29/06
Filed: 2021-06-24
Abstract: A media processing apparatus according to embodiments comprises: a memory; and a processor connected to the memory, wherein the processor may be configured to receive media on the basis of a session comprising multicast and unicast, receive multicast server configuration information for the media, receive multicast gateway configuration information for the media, and control the media. A media processing method according to embodiments may comprise the steps of: receiving media on the basis of a session comprising multicast and unicast; receiving multicast server configuration information for the media; receiving multicast gateway configuration information for the media; and controlling the media.
Patent WO-2022050550-A1 (WO)
Inventor: KIM KYU-JUN
IPC: B29C45/00
Filed: 2021-07-05
Abstract: 내부에 수용공간이 형성된 탱크몸체; 상기 탱크몸체의 외주면을 둘러싸는 발포용 케이스; 및 상기 탱크몸체의 외주면과 상기 발포용 케이스 사이의 발포공간에 발포제가 유입된 후 발포되어 형성되는 발포 단열재;를 포함하며, 상기 발포 단열재는 발포를 통해 상기 탱크몸체 및 발포용 케이스와 일체화되며, 상기 발포용 케이스는 상기 탱크몸체를 둘러싸는 복수의 부분으로 이루어지며, 상기 복수의 부분 중 적어도 일부는 상기 탱크몸체의 외관에 대응하도록 전개도 형상으로 제작된 후 접혀지는 구조를 갖는 단열구조 일체형 탱크를 제공한다.
Patent WO-2022030774-A1 (WO)
Title: Memory management method and electronic device
Inventor: SONG JISEOP
IPC: G06F9/4401
Filed: 2021-07-08
Abstract: According to various embodiments, an electronic device may include: a memory management module; a processor operably connected to the memory management module; and a memory controlled by the memory management module and operably connected to the processor. The memory can store instructions by which, when executed, the processor: executes at least one process; checks, on the basis of a preset first cycle, the rate at which the at least one process is terminated; detects a situation in which the checked rate exceeds a first threshold; and reboots the electronic device if the detected situation continues to occur so that a second threshold is exceeded. Other various embodiments are possible.
Patent WO-2022108045-A1 (WO)
Inventor: KIM HU SHIK
IPC: F15B13/16
Filed: 2021-08-13
Abstract: 본 발명은, 공압 액추에이터 정밀 제어 수단에 관한 것이다. 상세하게는, 공압 액추에이터 정밀 제어 수단(1)에 있어서, 변위센서(S1)로부터 실시간 측정되는 정보를 기반으로 공압 액추에이터의 피스톤의 위치를 제어하는 위치기반변위정밀제어부(100) 및 하중센서(S2)로부터 실시간 측정되는 정보를 기반으로 공압 액추에이터의 피스톤의 위치를 제어하는 하중기반변위정밀제어부(200);로 구성되어, 액추에이터에 공급되는 공압의 정밀 제어가 이루어지도록 하는 것을 특징으로 한다. 이로 인해, 본 발명은, 상술한 바와 같이, 공압을 정밀 제어함으로서, 공압 액추에이터를 이용한 시험장비를 통해서도, 정밀하고 안정적인 시험을 할 수 있도록 한다는 이점이 있다.
Patent WO-2022060037-A1 (WO)
Title: Mini pipette
Inventor: PARK SANG HYUN
IPC: B01L3/02
Filed: 2021-09-13
Abstract: The present invention relates to a mini pipette and, more specifically, to a mini pipette which comprises a capacity change means capable of varying the movement distance of a push button that generates a suction force while reciprocating in the body, and thereby can easily collect samples in various amounts. To this end, provided is a mini pipette comprising: a body in which a hollow moving space is formed and which has a suction passage formed at the bottom thereof; a push button which generates a negative pressure or positive pressure in the suction passage while reciprocating in the moving space of the body; an elastic means which is provided to be able to elastically support the push button in the moving space; and a capacity change means which is formed in the body to vary the movement distance of the push button in the moving space.
Patent WO-2022065796-A1 (WO)
Inventor: KIM JUNG KEUN
IPC: H01M10/0567
Filed: 2021-09-15
Abstract: La présente invention concerne un additif pour une solution électrolytique non aqueuse, formant, lorsqu'il est utilisé dans une solution électrolytique non aqueuse, une interphase solide-électrolyte stable ayant une faible résistance même à une température élevée, et pouvant ainsi améliorer les caractéristiques de durée de vie d'une batterie secondaire au lithium, ainsi qu'un additif pour une solution électrolytique non aqueuse, comprenant un composé à base de sulfone représenté par la formule chimique I ; une solution électrolytique non aqueuse le contenant ; et une batterie secondaire au lithium.
Patent WO-2022102941-A1 (WO)
Inventor: KIM SEUNGJIN
IPC: G06F3/0483
Filed: 2021-09-16
Abstract: 다양한 실시예에 따른 전자 장치는, 메인 디스플레이 영역 및 상기 메인 디스플레이 영역으로부터 확장 가능한 적어도 하나의 확장 디스플레이 영역을 포함하는 플렉서블 디스플레이 및 상기 디스플레이와 작동적으로(operatively) 연결되는 프로세서를 포함하며, 상기 프로세서는 상기 전자 장치가 슬라이드 인(Slide In) 상태인 동안에, 제1크기의 상기 메인 디스플레이에 제1컨텐츠를 표시하고, 상기 디스플레이 영역의 터치 입력 정보를 수신하는 경우, 상기 디스플레이를 슬라이드 아웃(Slide Out)시켜 제2크기로 확장시키며, 상기 전자 장치의 상기 상태가 슬라이드 아웃(Slide Out) 상태로 전환되는 중 상기 확장 디스플레이 영역 또는 상기 디스플레이 영역 전체에 제2컨텐츠를 표시하며, 상기 전자 장치의 상기 상태가 슬라이드 아웃(Slide Out) 상태로 전환이 완료되면 상기 제2컨텐츠의 표시를 종료하고 상기 제1컨텐츠를 상기 디스플레이의 적어도 일부에 표시할 수 있다.
Patent WO-2022065895-A1 (WO)
Title: Nouveau sel d'un dérivé d'empagliflozine, en tant qu'inhibiteur de sglt-2, et hydrate de sel
Inventor: JANG SUN-WOO
IPC: C07H15/04
Filed: 2021-09-24
Abstract: La présente invention concerne un nouveau sel d'un dérivé d'empagliflozine et un hydrate de sel, qui ont un point de fusion, une solubilité et une température de fusion relativement plus élevés que ceux de l'empagliflozine, qui est un médicament développé en tant qu'inhibiteur de SGLT-2, et présente ainsi des propriétés physiques et chimiques améliorées, ce qui est très approprié pour la formulation. De plus, un sel d'un composé de formule chimique 1 préparé selon la présente invention et un hydrate du sel présentent d'excellentes caractéristiques pharmacocinétiques par rapport à l'empagliflozine, et sont donc efficaces en tant qu'inhibiteurs de SGLT-2.
Patent WO-2022177101-A1 (WO)
Inventor: KIM Hyeonho
IPC: G06K9/00
Filed: 2021-11-15
Abstract: An embodiment of the present disclosure discloses an electronic device having a fingerprint sensor and a method for dynamically updating fingerprint information in the electronic device. An electronic device according to an embodiment of the present disclosure comprises: a memory; a fingerprint sensor; a display module; and a processor, wherein the processor may be configured to: detect a specified trigger for checking fingerprint information stored in the memory; compare a degree of similarity between a plurality of pieces of fingerprint information stored in the memory on the basis of the specified trigger detection; determine at least one duplicate fingerprint group from among the plurality of pieces of fingerprint information on the basis of the comparison result; merge fingerprint images of the duplicate fingerprint group to generate integrated fingerprint information; and replace the fingerprint information of the duplicate fingerprint group with the integrated fingerprint information. Various embodiments are possible.
Patent WO-2022114745-A1 (WO)
Inventor: KIM HYUN KYU
IPC: C08K5/12
Filed: 2021-11-23
Abstract: 본 발명은 다이헥실 이소프탈레이트 및 다이(2-에틸헥실) 테레프탈레이트를 포함하며, 상기 다이헥실 이소프탈레이트가 헥실 알코올 이성질체 혼합물로부터 유래되는 알킬기를 가지는 것을 특징으로 한다. 이를 수지에 적용할 경우, 가소화 효율, 이행손실 및 가열감량은 동등 이상의 수준을 유지할 수 있고, 인장강도와 신율을 개선할 수 있다.
Patent WO-2022146105-A1 (WO)
Inventor: PARK GIWON
IPC: H04W4/40
Filed: 2021-12-31
Abstract: 무선 통신 시스템에서 제 1 장치(100)의 동작 방법이 제안된다. 상기 방법은, 제 2 장치(200)로부터 상기 SL DRX 설정을 수신하는 단계; 상기 제 2 장치(200)로부터 PUCCH(physical uplink control channel) 자원이 설정되었는지 여부와 관련된 정보 및 자원 할당 모드와 관련된 정보를 수신하는 단계; 상기 PUCCH 자원이 설정되었는지 여부와 관련된 정보 및 자원 할당 모드와 관련된 정보를 기반으로, SL DRX HARQ(hybrid automatic repeat request) RTT(round trip time) 타이머 값을 결정하는 단계; 상기 SL DRX HARQ RTT 타이머 값을 기반으로 SL DRX HARQ RTT 타이머를 개시하는 단계; 및 상기 SL DRX HARQ RTT 타이머가 만료되는 것을 기반으로, SL DRX 재전송(retransmission) 타이머를 개시하는 단계를 포함할 수 있다.
Patent WO-2022164103-A1 (WO)
Title: Procédé et appareil permettant de rapporter des informations relatives à des paquets non délivrables par un nœud iab dans un système de communication sans fil
Inventor: LEE GYEONGCHEOL
IPC: H04W76/18
Filed: 2022-01-17
Abstract: La présente invention concerne un procédé de réalisation d'opérations de relais au moyen d'un premier nœud dans un système de communication sans fil. Le procédé comprend en particulier les étapes consistant à : recevoir au moins un paquet devant être transféré à un deuxième nœud par l'intermédiaire d'un premier trajet ; transmettre ledit au moins un paquet au deuxième nœud ; et, si ledit au moins un paquet n'est pas transmis avec succès au deuxième nœud, transmettre un message de notification de défaillance de transmission à un troisième nœud par l'intermédiaire d'un second trajet. Le message de notification de défaillance de transmission contient un identifiant de porteuse et/ou un numéro de séquence associé audit au moins un paquet.
Patent WO-2022260245-A1 (WO)
Inventor: CHOI MINJUN
IPC: G01B11/24
Filed: 2022-03-07
Abstract: La présente invention concerne un appareil d'inspection d'empilement comprenant : des unités de caméra pour générer une image d'alignement par photographie de quatre points d'angle au sommet dans la direction d'empilement de plaques d'électrode ou de cellules unitaires; des unités électroluminescentes pour émettre de la lumière à quatre points d'angle d'un objet d'inspection; et un capteur, qui reconnaît la lumière émise par les unités électroluminescentes pour déterminer si une première plaque d'électrode est désalignée avec une deuxième plaque d'électrode.
Patent WO-2022191602-A1 (WO)
Inventor: KWON KOO CHUL
IPC: A61Q19/00
Filed: 2022-03-08
Abstract: 본 발명은 카르니틴살리실레이트(CA-SA)를 유효성분으로 포함하는 화장료 조성물에 관한 것이다. 또한 본 발명의 조성물은 카르니틴살리실레이트(CA-SA)를 유효성분으로 하여 약산성 조건에서 카르니틴과 살리실레이트의 이온페어링에 의한 피부 개선소재로서 여드름 완화 및 각질 박리 효능을 나타냄과 동시에 피부 진정소재로서 염증 및 홍반을 완화시킬 수 있는 것을 확인하였다.
Patent WO-2022220598-A1 (WO)
Inventor: KIM JI YOON
IPC: A61K31/454
Filed: 2022-04-13
Abstract: The present invention relates to a crystal form of a sphingosine-1-phosphate receptor agonist and, more specifically, to 1-[1-chloro-6-(3-chloro-1-isopropyl-1H-indazole-5-ylmethoxy)-3,4-dihydro-naphthalene-2-ylmethyl]-piperidine-4-carboxylic acid of chemical formula 1, or a crystal form of a solvate or a pharmaceutically acceptable salt thereof.
Patent WO-2022231385-A1 (WO)
Inventor: LI LISI
IPC: H04W36/08
Filed: 2022-04-29
Abstract: A positioning configuration method in a wireless communication system and an electronic device are disclosed. The method performed by a first node includes: identifying that a user equipment (UE) enters into an inactive state, and transmitting, to a second node, a message including information associated with a reservation of a positioning related configuration, wherein the positioning related configuration is not released for the UE in the inactive state based on the message.
Patent WO-2022270839-A1 (WO)
Inventor: KIM YU SEON
IPC: H04B1/40
Filed: 2022-06-20
Abstract: La présente invention concerne un déphaseur ayant une faible perte en large bande, et un dispositif de communication sans fil le comprenant. Le dispositif de communication sans fil selon un mode de réalisation comprend : un module de communication sans fil ; une première antenne ; une première ligne de transmission pour permettre la transmission d'un signal entre le module de communication sans fil et la première antenne ; et un élément de déphasage disposé en série sur la première ligne de transmission, l'élément de déphasage étant empilé dans la direction verticale et pouvant comprendre une pluralité d'éléments d'unité de résonance connectés électriquement en parallèle les uns aux autres.
Patent WO-2023210869-A1 (WO)
Inventor: JEON KWAN GOO
IPC: H01M4/583
Filed: 2022-06-28
Abstract: La présente invention concerne un procédé de préparation d'un matériau d'anode en silicium, pour une batterie secondaire au lithium-ion, à laquelle de l'oxyde de bore est appliqué et, plus spécifiquement, un procédé de préparation d'un matériau d'anode en silicium, pour une batterie secondaire au lithium-ion, à laquelle de l'oxyde de bore est appliqué, qui peut non seulement faire baisser le prix unitaire d'un matériau d'anode en utilisant du silicium planaire formé à partir de boue de silicium, mais également préparer un matériau de silicium ayant une capacité irréversible initiale supprimée en incluant de l'oxyde de bore.
Patent WO-2023219207-A1 (WO)
Inventor: JANG HYUNSANG
IPC: H02S50/00
Filed: 2022-07-28
Abstract: The present invention relates to an arc detection method and system for a solar power generation facility and, more specifically, to an arc detection method and system for a solar power generation facility, in which arc detection can be performed quickly with a small amount of computation and the detection accuracy of various forms of arc can be greatly improved.
Patent WO-2023014051-A1 (WO)
Inventor: WANG HONG
IPC: H04W4/06
Filed: 2022-08-02
Abstract: La divulgation concerne un système de communication 5G ou 6G permettant de prendre en charge un débit de transmission de données plus élevé. Procédé exécuté par un premier nœud dans un système de communication sans fil, consistant à recevoir, en provenance d'un second nœud, des données d'utilisateur de liaison descendante par l'intermédiaire d'une première porteuse radio, les données d'utilisateur de liaison descendante comprenant des données de service de multidiffusion ; à transmettre, à au moins un UE, les données d'utilisateur de liaison descendante par l'intermédiaire d'une seconde porteuse radio ; et à transmettre, au second nœud, un état de distribution de données de liaison descendante comprenant des informations de numéro de séquence PDCP, les informations de numéro de séquence PDCP comprenant un numéro de séquence PDCP supérieur entre un numéro de séquence PDCP le plus élevé délivré avec succès dans une séquence associée à un premier mode de transmission et un numéro de séquence PDCP le plus élevé transmis à des couches inférieures associées à un second mode de transmission.