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公开(公告)号：US20180262801A1
公开(公告)日：2018-09-13
申请号：US15758708
申请日：2016-03-11
Applicant: LG ELECTRONICS INC.
Inventor： Giwon PARK , Dongcheol KIM , Byungjoo LEE , Youngjun JO , Taesung LIM
IPC: H04N21/4363 , H04W8/00 , H04L29/06 , H04W76/14
CPC classification number: H04N21/43637 , H04L65/4069 , H04L65/602 , H04L65/608 , H04L67/148 , H04N21/4122 , H04N21/4402 , H04N21/44029 , H04N21/6587 , H04W8/005 , H04W8/22 , H04W76/14 , H04W84/12
Abstract: A method for changing an orientation of an image by a WFD sink may comprise the steps of: transmitting, to a second WFD device, an RTSP M3 request message for requesting information on a video stream control RTSP parameter of the second WFD device by a first WFD device; receiving an RTSP M3 response message in response to the RTSP M3 request message from the second WFD device by the first WFD device, wherein the RTSP M3 response message includes a video stream control RTSP parameter for a video stream control capability of the second WFD device, transmitting a first video stream displayed in a first orientation on the second WFD device to the second WFD device by the first WFD device; receiving an RTSP M21 request message from the second WFD device by the first WFD device, wherein the RTSP M21 request message requests a change into a second video stream displayed in a second orientation on the second WFD device of the first video stream; and transmitting an RTSP M21 response message to the second WFD device by the first WFD device, wherein the RTSP M21 response message indicates the acceptance of the change.
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12.发明申请公开(公告)号：US20180205800A1
公开(公告)日：2018-07-19
申请号：US15743649
申请日：2016-07-06
Applicant: LG ELECTRONICS INC.
Inventor： Hyunhee PARK , Byungjoo LEE , Giwon PARK , Dongcheol KIM , Youngjun JO , Taesung LIM
CPC classification number: H04L67/28 , H04L41/00 , H04L67/34 , H04W4/00 , H04W52/0216 , H04W60/02 , H04W84/18 , H04W88/182
Abstract: The present specification can provide a method by which a NAN proxy client updates a proxy service in a wireless communication system, wherein the method by which a NAN proxy client updates a proxy service.
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13.发明申请公开(公告)号：US20180054492A1
公开(公告)日：2018-02-22
申请号：US15558997
申请日：2016-02-17
Applicant: LG ELECTRONICS INC.
Inventor： Dongcheol KIM , Byungjoo LEE , Giwon PARK , Hyunhee PARK , Taesung LIM
Abstract: The present specification relates to a method by which a device supports a service by using an application service platform (ASP) in a wireless communication system, and the service supporting method can comprise the steps of: performing a service discovery for a first service by using the ASP; and performing a service connection on the basis of a result of the service discovery, wherein when the ASP supports a plurality of service discovery interfaces and a plurality of service connection interfaces, the service discovery is performed using at least one of the plurality of service discovery interfaces, and the service connection can be performed using at least one of the plurality of service connection interfaces.
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公开(公告)号：US20180049123A1
公开(公告)日：2018-02-15
申请号：US15554129
申请日：2016-02-25
Applicant: LG ELECTRONICS INC.
Inventor： Giwon PARK , Hyunhee PARK , Dongcheol KIM , Byungjoo LEE
CPC classification number: H04W52/0216 , H04W68/02 , H04W72/042 , H04W76/28 , H04W84/12 , Y02D70/14 , Y02D70/142
Abstract: Provided are a method and a device for performing paging in a wireless LAN system. Specifically, during a preset discovery window, a paging group information message comprising a paging group ID and a paging offset is received, the paging group ID indicating at least one receiving station receiving a paging message, and the paging offset indicating the transmission time of the paging message. The paging message is received according to the paging offset, wherein the paging message comprises: a paging ID indicating a receiving station transmitting a PS-poll frame; and a PS-poll offset indicating the PS-poll frame transmission time. The PS-poll frame is transmitted according to the PS-poll offset.
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15.发明申请公开(公告)号：US20180035277A1
公开(公告)日：2018-02-01
申请号：US15551066
申请日：2016-02-23
Applicant: LG ELECTRONICS INC.
Inventor： Giwon PARK , Byungjoo LEE , Hyunhee PARK , Dongcheol KIM
CPC classification number: H04W8/005 , H04L63/08 , H04L63/101 , H04L67/16 , H04W12/06 , H04W76/10 , H04W84/12 , H04W84/18 , Y02D70/00
Abstract: An association method for data transmission between devices in a neighbor awareness network (NAN), and a device using the same are provided. A first NAN device transmits, to a second NAN device, a service discovery frame having a service identifier (ID) and association interval information, and transmits an authentication request for requesting authentication at a time indicated by the association interval information.
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Patent Agency Ranking
公开(公告)号：US20170374412A1
公开(公告)日：2017-12-28
申请号：US15534914
申请日：2015-12-09
Applicant: LG ELECTRONICS INC.
Inventor： Giwon PARK , Byungjoo LEE , Dongcheol KIM , Hyunhee PARK , Taesung LIM
IPC: H04N21/4402 , H04W8/00 , H04W84/12 , H04N21/6437
CPC classification number: H04N21/4402 , H04L29/08 , H04L65/4084 , H04L65/608 , H04N21/43637 , H04N21/6437 , H04W8/005 , H04W84/12
Abstract: A method and apparatus for outputting a supplementary content from a WFD is disclosed. The method for outputting a supplementary content from a WFD may comprise the steps of: after a WFD source is connected to a WFD, transmitting, by the WFD source, an RTSP parameter request message on the basis of an RTSP to a WFD sink in order to perform a capability negotiation procedure with the WFD sink; transmitting, by the WFD source, an RTSP parameter response message to the WFD sink in response to the RTSP parameter request message; and after performing the capability negotiation procedure, transmitting, by the WFD source, a transmission stream, obtained by overlapping and multiplexing a video stream including video data having a first resolution and a supplementary stream including supplementary data having a second resolution, to the WFD sink, wherein a WFD discovery response frame includes second resolution-related information for determining the second resolution, and an RTSP parameter response frame includes the second resolution-related information.
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公开(公告)号：US20170171892A1
公开(公告)日：2017-06-15
申请号：US15115652
申请日：2014-08-18
Applicant: LG ELECTRONICS INC.
Inventor： Byungjoo LEE , Giwon PARK , Dongcheol KIM
CPC classification number: H04W76/10 , H04L65/1069 , H04L65/4084 , H04L65/608 , H04L67/16 , H04W8/005 , H04W80/04 , H04W80/06 , H04W80/10 , H04W84/12 , H04W92/18
Abstract: An embodiment of the present invention relates to a Wi-Fi display (WFD) service initiation method comprising the steps of: in a method for a first apparatus that supports WFD initiating a WFD service, the first apparatus transmitting a WFD discovery frame to a second apparatus; and the first apparatus transmitting a real-time streaming protocol (RTSP) M1 message, wherein the first apparatus transmits one of a provision discovery request or a session initiation request to the second apparatus before transmitting the M1 message if there is an internet protocol (IP) connection established between the first apparatus and the second apparatus when transmitting the WFD discovery frame.
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18.发明申请公开(公告)号：US20170006456A1
公开(公告)日：2017-01-05
申请号：US15113803
申请日：2014-04-10
Applicant: LG ELECTRONICS INC.
Inventor： Byungjoo LEE , Giwon PARK , Dongcheol KIM
CPC classification number: H04W8/005 , H04L5/0055 , H04L61/6063 , H04L67/104 , H04W48/10 , H04W48/14 , H04W48/16 , H04W76/14 , H04W84/12
Abstract: One embodiment of the present invention relates to a method for performing discovery from a first device supporting a Wi-Fi direct service, comprising the steps of: an application service platform (ASP) layer in the first device receiving, from a service layer, a SeekService method; the ASP layer generating a service hash based on the SeekService method; and transmitting a discovery request including the service hash to an access point (AP), wherein the discovery request is broadcasted to devices included in a subnet to which the first device belongs, via a port associated with the AP.
Abstract translation: 本发明的一个实施例涉及一种用于从支持Wi-Fi直接服务的第一设备执行发现的方法，包括以下步骤：第一设备中的应用服务平台（ASP）层从服务层接收 SeekService方法; ASP层基于SeekService方法生成服务哈希; 以及将包括所述服务散列的发现请求发送到接入点（AP），其中所述发现请求经由与所述AP相关联的端口广播到所述第一设备所属的子网中包括的设备。
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公开(公告)号：US20160345155A1
公开(公告)日：2016-11-24
申请号：US15153312
申请日：2016-05-12
Applicant: LG ELECTRONICS INC.
Inventor： Byungjoo LEE , Jinwoo KIM , Jaehyung SONG , Inhwan CHOI , Hangseok OH
Abstract: Provided are a device discovery method and a communication device thereof. The method includes: transmitting a probe request frame; receiving a probe response frame including session information on a client connected to a group owner (GO), from the GO among source and sink devices belonging to the display group; and determining whether to associate with the display group by using the session information in the probe response frame.
Abstract translation: 提供了一种设备发现方法及其通信设备。 该方法包括：发送探测请求帧; 从属于所述显示组的源和接收装置之间的GO接收包括连接到组所有者（GO）的客户端上的会话信息的探测响应帧; 以及通过使用探测响应帧中的会话信息来确定是否与显示组相关联。
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20.发明申请METHOD AND DEVICE FOR SHARING MULTICAST ADDRESS FOR NAN DEVICE IN WIRELESS COMMUNICATION SYSTEM 有权用于在无线通信系统中共享设备的多播地址的方法和设备公开(公告)号：US20160337836A1
公开(公告)日：2016-11-17
申请号：US15110896
申请日：2015-02-23
Applicant: LG ELECTRONICS INC.
Inventor： Dongcheol KIM , Byungjoo LEE , Giwon PARK
IPC: H04W8/00 , H04L12/733 , H04W4/08 , H04L12/927
CPC classification number: H04W40/244 , H04L12/185 , H04L45/20 , H04L47/806 , H04W4/08 , H04W8/005 , H04W8/26 , H04W84/12 , H04W84/20
Abstract: Disclosed is a method for sharing in advance a multicast address in a wireless communication system. To this end, a method can comprise the steps of: selecting a multicast address; and transmitting a beacon frame comprising the selected multicast address. The beacon frame can comprise a search beacon frame and/or a synchronization beacon frame.
Abstract translation: 公开了一种用于在无线通信系统中预先共享多播地址的方法。 为此，一种方法可以包括以下步骤：选择多播地址; 以及发送包括所选择的多播地址的信标帧。 信标帧可以包括搜索信标帧和/或同步信标帧。
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