公开(公告)号：US09485719B2

公开(公告)日：2016-11-01

申请号：US14358621

申请日：2012-11-14

Applicant: LG ELECTRONICS INC.

Inventor： Jaehyung Song ,  Kyungchul Kwak ,  Suhwook Kim ,  Inhwan Choi ,  Wongyu Song

IPC: H04W48/16 ,  H04W8/00 ,  H04L29/08 ,  H04W4/08 ,  H04W84/12

CPC classification number: H04W48/16 ,  H04L67/16 ,  H04W4/08 ,  H04W8/005 ,  H04W84/12

Abstract: 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.

Abstract translation: 本发明涉及可以在连接WiFi直接网络之前确定要连接的WiFi设备提供的服务的方法和设备。 根据本发明的至少一个实施例，如果在为无线通信组的服务发现的过程中发现用于无线通信组的所有者设备的服务，则具有可以更方便地 通过在属于该组的每个设备上获得支持的服务信息来执行服务发现过程。 另外，如果在为无线通信组的服务发现的过程中存在当前不可用的服务，则存在这样的优点：可以提供对于用户来说非常必要的信息来确定网络建立，通过进一步提供关于 不可用的服务。

公开(公告)号：US11223850B2

公开(公告)日：2022-01-11

申请号：US16884152

申请日：2020-05-27

Applicant: LG ELECTRONICS INC.

Inventor： Chulkyu Mun ,  Jinwoo Kim ,  Inhwan Choi ,  Byounggill Kim ,  Wongyu Song

IPC: H04N19/66 ,  H03M13/27 ,  H04L27/06 ,  H04L1/00 ,  H04L25/02 ,  H03M13/29 ,  H03M13/35 ,  H04N21/2383 ,  H04N21/438 ,  H04N21/61 ,  H04L29/00 ,  H04N7/24 ,  H04N21/2389 ,  H04L27/00 ,  H03M13/09 ,  H03M13/15 ,  H03M13/25 ,  H04H20/57 ,  H04N21/236 ,  H04N21/2362

Abstract: 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.

公开(公告)号：US10708621B2

公开(公告)日：2020-07-07

申请号：US15882587

申请日：2018-01-29

Applicant: LG ELECTRONICS INC.

Inventor： Chulkyu Mun ,  Jinwoo Kim ,  Inhwan Choi ,  Byounggill Kim ,  Wongyu Song

IPC: H04N19/66 ,  H04L27/06 ,  H04L1/00 ,  H04L25/02 ,  H03M13/27 ,  H03M13/29 ,  H03M13/35 ,  H04N21/2383 ,  H04N21/438 ,  H04N21/61 ,  H04L29/00 ,  H04N7/24 ,  H04N21/2389 ,  H04L27/00 ,  H03M13/09 ,  H03M13/15 ,  H03M13/25 ,  H04H20/57 ,  H04N21/236 ,  H04N21/2362

Abstract: 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.

公开(公告)号：US09900623B2

公开(公告)日：2018-02-20

申请号：US14598956

申请日：2015-01-16

Applicant: LG ELECTRONICS INC.

Inventor： Chulkyu Mun ,  Jinwoo Kim ,  Inhwan Choi ,  Byounggill Kim ,  Wongyu Song

IPC: H04N19/66 ,  H04L27/06 ,  H04L29/00 ,  H04N7/24 ,  H04N21/2383 ,  H04N21/2389 ,  H04N21/438 ,  H04N21/61 ,  H04L1/00 ,  H04L25/02 ,  H03M13/27 ,  H03M13/29 ,  H03M13/35 ,  H04N21/236 ,  H04N21/2362 ,  H04L27/00 ,  H03M13/09 ,  H03M13/15 ,  H03M13/25 ,  H04H20/57

CPC classification number: H04N19/66 ,  H03M13/09 ,  H03M13/1515 ,  H03M13/256 ,  H03M13/2721 ,  H03M13/2921 ,  H03M13/293 ,  H03M13/2966 ,  H03M13/2972 ,  H03M13/356 ,  H04H20/57 ,  H04L1/005 ,  H04L1/0057 ,  H04L1/006 ,  H04L1/0061 ,  H04L1/0065 ,  H04L1/0071 ,  H04L25/0212 ,  H04L27/06 ,  H04L29/00 ,  H04L2001/0093 ,  H04L2027/0026 ,  H04N7/24 ,  H04N21/23608 ,  H04N21/23611 ,  H04N21/2362 ,  H04N21/2383 ,  H04N21/2389 ,  H04N21/4382 ,  H04N21/4383 ,  H04N21/6112

Abstract: 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.

公开(公告)号：US20140314065A1

公开(公告)日：2014-10-23

申请号：US14358621

申请日：2012-11-14

Applicant: LG ELECTRONICS INC.

Inventor： Jaehyung Song ,  Kyungchul Kwak ,  Suhwook Kim ,  Inhwan Choi ,  Wongyu Song

IPC: H04W48/16

CPC classification number: H04W48/16 ,  H04L67/16 ,  H04W4/08 ,  H04W8/005 ,  H04W84/12

Abstract: 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.

Abstract translation: 本发明涉及可以在连接WiFi直接网络之前确定要连接的WiFi设备提供的服务的方法和设备。 根据本发明的至少一个实施例，如果在为无线通信组的服务发现的过程中发现用于无线通信组的所有者设备的服务，则具有可以更方便地 通过在属于该组的每个设备上获得支持的服务信息来执行服务发现过程。 另外，如果在为无线通信组的服务发现的过程中存在当前不可用的服务，则存在这样的优点：可以提供对于用户来说非常必要的信息来确定网络建立，通过进一步提供关于 不可用的服务。

公开(公告)号：US09418023B2

公开(公告)日：2016-08-16

申请号：US14815563

申请日：2015-07-31

Applicant: LG ELECTRONICS INC.

Inventor： Byung Joo Lee ,  Wongyu Song ,  Inhwan Choi ,  Jaehyung Song

IPC: G06F3/00 ,  G06F13/10 ,  G06F13/42 ,  G06F3/038 ,  G06F3/01 ,  H04L29/08 ,  H04N21/41 ,  H04N21/422 ,  G06F13/00

CPC classification number: G06F13/102 ,  G06F3/016 ,  G06F3/038 ,  G06F13/4282 ,  H04L67/2823 ,  H04N21/4126 ,  H04N21/42204

Abstract: 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.

公开(公告)号：US20150163517A1

公开(公告)日：2015-06-11

申请号：US14598956

申请日：2015-01-16

Applicant: LG ELECTRONICS INC.

Inventor： Chulkyu MUN ,  Jinwoo Kim ,  Inhwan Choi ,  Byounggill Kim ,  Wongyu Song

IPC: H04N19/66 ,  H04L1/00

CPC classification number: H04N19/66 ,  H03M13/09 ,  H03M13/1515 ,  H03M13/256 ,  H03M13/2721 ,  H03M13/2921 ,  H03M13/293 ,  H03M13/2966 ,  H03M13/2972 ,  H03M13/356 ,  H04H20/57 ,  H04L1/005 ,  H04L1/0057 ,  H04L1/006 ,  H04L1/0061 ,  H04L1/0065 ,  H04L1/0071 ,  H04L25/0212 ,  H04L27/06 ,  H04L29/00 ,  H04L2001/0093 ,  H04L2027/0026 ,  H04N7/24 ,  H04N21/23608 ,  H04N21/23611 ,  H04N21/2362 ,  H04N21/2383 ,  H04N21/2389 ,  H04N21/4382 ,  H04N21/4383 ,  H04N21/6112

Abstract: 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.

Abstract translation: 公开了一种发送系统，接收系统和处理广播信号的方法。 用于在广播接收机中处理广播信号的方法包括：接收包括数据组的DTV信号，包括移动业务数据的数据组，分段的已知数据序列，长的已知数据序列和传输参数数据，补偿DTV的载波频率偏移 使用多个已知数据序列中的至少一个和DTV信号的数据组中的分段已知数据序列来信号和信道均衡载波频偏补偿DTV信号，其中信道均衡包括执行纠错（FEC）解码 在分段的已知数据序列之间的数据上，并且使用FEC解码数据作为已知数据来估计信道脉冲响应（CIR）。