Lg Electronics Inc.

Taesung Lim

Giwon Park

Byungjoo Lee

Dongcheol Kim

Hyunhee Park

Youngjun Jo

Jeonghwan Yoon

Hangyu Cho

Jingu Choi

Seongyun Kim

Seungmyeong Jeong

Hyunsik Yang

Mingi Kim

Hongwon Lee

Jeongyun Jeong

Homin Yoo

Proposed is a method and device for generating a user identification model on the basis of wireless sensing in a wireless LAN system. Specifically, a user identification apparatus discovers a PED and acquires identification information about the PED. The user identification apparatus collects data and pre-processes the collected data on the basis of the identification information about the PED. The user identification apparatus generates a user identification model by learning the pre-processed data.

Method and device for generating user identification model on basis of wireless sensing

The present specification may provide a method for a sink device receiving a streaming from a source device in a wireless communication system. In this regard, the method for receiving streaming may comprise the steps of: receiving from the source device streaming over a first transport protocol; transmitting to the source device a first message including information regarding a transport protocol of the sink device when the first transport protocol connection is disconnected; receiving from the source device a second message including information regarding a transport protocol of the source device; and receiving from the source device the streaming over one of the first transport protocol and a second transport protocol.

Method and apparatus for receiving streaming via transport protocol in wireless communication system

A method by which a first wireless device performs a wireless connection in a wireless LAN system, according to one embodiment, comprises the steps of: receiving an advertising packet from a second wireless device through a primary channel, wherein the advertising packet includes first information for specifying a Wi-Fi service for the advertising packet and second information linked to the existence of additional data, and the first information is set as a first value linked to a DPP procedure or a second value linked to a NAN procedure; establishing a BLE-based connection with the second wireless device in order to receive the additional data; transmitting, to a second wireless terminal, a request packet for requesting additional data; and receiving, from the second wireless device, a response packet, including the additional data, as a response to the request packet, wherein the additional data is associated with DPP bootstrap URI information of the second wireless device.

Method for wireless connection in wireless LAN system and wireless device using same

A method and a device for transmitting metadata in a WFD are provided. Particularly, a WFD source forms a WFD frame including a WFD header and metadata. The WFD source transmits, to a WFD sink, a packet stream created by packetizing a metadata stream including the WFD frame. The WFD header includes a metadata structure field and a metadata update indicator. The metadata structure field indicates whether the metadata has a video metadata structure or an audio metadata structure. The metadata update indicator indicates that previous metadata is updated such that all of the previous metadata is replaced with new metadata, or that the previous metadata is incrementally updated together with updated metadata.

Method and device for transmitting metadata in WFD

The present specification may provide a method for forming, by a searcher terminal, an application service platform session with an advertiser terminal in a wireless communication system. The method for forming an application service platform session may comprise the steps of: performing discovery for the advertiser terminal and a first service; and forming an ASP session for the first service by performing connection with the advertiser terminal on the basis of a result of the performed discovery, wherein the discovery and the connection may be performed through at least one of multiple interfaces supported by application service platforms of the searcher terminal and the advertiser terminal when the searcher terminal and the advertiser terminal are first type terminals, and the discovery and the connection may be performed through a Wi-Fi direct interface when one of the searcher terminal and the advertiser terminal is the first type terminal and the other is a second type terminal.

Method and device for forming application service platform session in wireless communication system

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.

Method and device for supporting service by using application service platform in wireless communication system

A method and apparatus for outputting a supplementary content in a WFD is disclosed. A method for outputting a supplementary content in a WFD may comprise the steps of: after a WFD source is connected to a WFD, transmitting, by the WFD source, an RTSP-based RTSP parameter request message 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 the capability negotiation procedure is performed, transmitting, by the WFD source, a transmission stream, obtained by overlapping and multiplexing a video stream including video data having first resolution and a supplementary stream including supplementary data having second resolution, to the WFD sink, wherein a WFD discovery response frame may include second resolution-related information for determining the second resolution and an RTSP parameter response frame may include the second resolution-related information.

Method and apparatus for reporting battery state in WFD

The present specification may provide a method for performing data exchange by NAN terminal in a wireless communication system. In this instance, the method in which the NAN terminal performs data exchange may comprises the steps of: discovering a first service by a first NAN terminal using at least one of a publish message and a subscribe message; transmitting a data request message associated with the discovered first service to a second NAN terminal by the first NAN terminal; receiving a data response message from the second NAN terminal by the first NAN terminal; and performing data exchange relating to the first service with the second NAN terminal by the first NAN terminal. In this case, the data request message may be transmitted on the basis of a data request method called by the first NAN terminal, and service protocol type information and port number information, which are returned as a return value, may be included in the data request message and may be transmitted on the basis of the data request method.

Method and apparatus for performing data exchange by NAN terminal in wireless communication system

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.

Method and device for changing orientation of image by WFD sink

In the present specification, a method may be provided in which a NAN terminal exchanges frames in a wireless communication system. Here, the method in which a NAN terminal exchanges frames may include the steps of: transmitting a first frame, in which a first NAN terminal requests first properties information, to a second NAN terminal, and receiving a second frame for the first properties information from the second NAN terminal. Here, when the first frame is a service discovery frame, the first properties information may be set on the basis of a first field value of the first frame, and when the first frame is a GAS frame, the first properties information may be set as proxy service information.

Method and device for exchanging frames for proxy service in wireless communication system

A method for a neighbor aware network (NAN) according to one embodiment of the present specification comprises the steps of: allowing a first terminal to exchange device capability information regarding a scheduling scheme for data communication with a second terminal in a search window; allowing the first terminal to maintain an awake state in a paging window to receive a paging message including identification information indicating a receiving terminal (recipient) for traffic to be received from the second terminal, when a paging scheme is selected by means of the scheduling scheme; and allowing the first terminal to terminate, early, the paging window and switching from the awake state to a sleep state, when a channel evaluation indicator indicating a channel state of a wireless channel according to a signal received at a physical layer of the first terminal is idling for a predetermined threshold time.

Method for neighbor aware network according to paging scheme and wireless terminal using same

A method and an apparatus for switching an input character in a WFD are disclosed. The method for switching an input character in a WFD comprises the steps of: transmitting, by a first WFD device, a character switch capability parameter to a second WFD device through a UIBC capability negotiation process with the second WFD device; transmitting, by the first WFD device, a first character switch establishment parameter to the second WFD device through a UIBC capability UIBC establishment process so as to establish the first character outputted onto each screen of the first WFD device and the second WFD device; transmitting, by the first WFD device, a key code for a character switch button through a UIBC to the second WFD device through a user input device of the first WFD device; and transmitting, by the first WFD device, a second character switch establishment parameter to the second WFD device through a UIBC re-establishment process so as to switch, to the second character, the first character outputted onto each screen of the first WFD device and the second WFD device.

Method and apparatus for switching input character in WFD

A method is provided for a first terminal performing connection capability exchange in a wireless communication system. The method includes transmitting, to a second terminal, a P2P probe request frame for a service discovery, receiving, from the second terminal, a P2P probe response frame for the service discovery, establishing of a connection with the second terminal and forming an ASP session with the second terminal. The P2P probe request frame and the P2P probe response frame include connection capability exchange information and establishing the connection is performed based on the connection capability exchange information.

Method and device for exchanging connection capability information in wireless communication system

The present specification relates to a method for transmitting data by a first neighbor awareness networking (NAN) device in a wireless communication system. The method for transmitting data may comprise the steps of: performing a service discovery for a first service with a second NAN device through a service discovery frame (SDF); and exchanging data for the first service with the second NAN device on the basis of the performed service discovery. Here, when at least one of authentication and association is required in transmitting the data for the first service, attribute information which is required for the data transmission among information on authentication attributes and information on association attributes may be included in the service discovery frame.

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Seoul, South Korea

Taesung Lim