Lg Electronics Inc.

Inhwan Choi

JaeHyung Song

Wongyu Song

Jinwoo Kim

Chulkyu Mun

Byounggill Kim

Hangseok Oh

Minsung Kwak

Jongyeul Suh

Joonhui Lee

Kyungchul Kwak

Chulsoo Lee

Byungjoo Lee

Kyoungsuk Ko

Huisang Yoo

Byung Joo Lee

Suhwook Kim

Dongcheol Kim

Jaeho Lee

Jinpil Kim

Hyeonjae Lee

Minsoo Lee

Koh Choi

Pilsup Shin

Hyounggon Lee

A transmitting system, receiving system, and a method of processing broadcast signals are disclosed. The method for processing a broadcast signal in a broadcast receiver comprises receiving a DTV signal including a data group, the data group including mobile service data, segmented known data sequences, long known data sequences and transmission parameter data, compensating carrier frequency offset of the DTV signal and channel-equalizing the carrier frequency offset compensated DTV signal using at least one of the long known data sequences and segmented known data sequences in the data group of the DTV signal, wherein the channel-equalizing includes performing a Error Correction (FEC) decoding on data located between the segmented known data sequences, and estimating Channel Impulse Response (CIR) using the FEC decoded data as known data.

Receiving system and method for processing digital broadcast signal in the receiving system

A transmitting system, a receiving system, and a method of processing broadcast signals are disclosed. The method for processing a broadcast signal in a broadcast receiver comprises receiving a DTV signal including a data group, the data group including mobile service data, segmented known data sequences, long known data sequences and transmission parameter data, compensating carrier frequency offset of the DTV signal and channel-equalizing the carrier frequency offset compensated DTV signal using at least one of the long known data sequences and segmented known data sequences in the data group of the DTV signal, wherein the channel-equalizing includes performing a Error Correction (FEC) decoding on data located between the segmented known data sequences, and estimating Channel Impulse Response (CIR) using the FEC decoded data as known data.

A method for performing a docking service using Wi-Fi by a wireless dockee (WD), includes transmitting a probe request including a docking information element (IE) 1 for discovering to docking service to a wireless docking center (WDC); receiving a probe response including a docking IE 2 from the wireless docking center (WDC) which has received the probe request; and performing a docking connection with the wireless docking center (WDC) based on the received probe response, wherein the docking IE 1 includes at least one of a device name parameter indicating a name of a device, a device Identifier parameter for identifying a device, or a docking information request parameter indicating a command of a docking service discovery.

Method and apparatus for performing wireless docking service

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.

Device discovery method and communication device thereof

A method for transmitting and receiving, by a station, channel information in a wireless LAN system, the method comprising:

Method and apparatus for providing channel information in a wireless network

The present invention relates to a method and device that may determine a service provided by a WiFi device to be connected before connecting a WiFi direct network. According to at least one embodiment of the present invention, if a service for an owner device of a wireless communication group is discovered for in the process of discovering for a service for the wireless communication group, there is the advantage that is possible to more conveniently perform the service discovery process by obtaining supported service information on each device belonging to the group. In addition, if there is a currently unavailable service in the process of discovering for the service for the wireless communication group, there is the advantage that it is possible to provide information highly necessary for a user to determine network establishment by further providing information on the unavailable service.

Method and device for searching for supported service through WiFi direct network

A method of processing a web service in a Non-Real Time (NRT) service and the broadcast receiver are disclosed herein. A method of providing an NRT service in a broadcasting receiver may include receiving first signaling information, identifying whether a service type of an NRT service is a web service based upon the first signaling information, identifying a web page type and a web page version of the NRT service and browsing the NRT service. The method may further include connecting a service signaling channel, parsing the received first signaling information, determining whether the NRT service is supported in the broadcasting receiver and consuming the web contents of the NRT service. The NRT service may include at least one of a fixed NRT service and a mobile NRT service. The first signaling information may be a data casting description table (DDT) if the NRT service is the fixed NRT service. The first signaling information may be a service map table (SMT) if the NRT service is the mobile NRT service. The DDT may include a first field identifying the NRT service and a second field identifying a type of the NRT service. The type of the web service may include at least one of a web document of text HTML and a web document of CE-HTML. The third field and the fourth field may be valid if the type of the received service is the web service based upon the second field.

Method for processing a web service in an NRT service and a broadcast receiver

Provided is a method of delivering a user input received from a Human Interface Device (HID) to a source device by a sink device. The method includes: receiving the user input from the HID; generating HID user input information including a first field that represents a type of the HID, a second field that represents an interface type of the HID, and a third field that includes the user input received from the HID; and transmitting the configured HID user input information to the source device.

Method for delivering user input, and device using same

Method for searching for device and communication device using same

A method for transmitting and receiving, by a station, channel information in a wireless LAN system, the method comprising: receiving a beacon frame including the channel information, wherein the channel information includes information for a channel change, the information for the channel change includes a field for a operating class of a new channel, a field for a channel number of the new channel and a field for a maximum transmit power of the new channel; parsing the beacon frame; and changing to a new channel with the maximum transmit power.

Growing community of inventors

Seoul, South Korea

Inhwan Choi