公开(公告)号：US09538368B2

公开(公告)日：2017-01-03

申请号：US14357963

申请日：2012-09-26

Applicant: LG ELECTRONICS INC.

Inventor： Yong Ho Seok ,  Jong Hyun Park ,  Hyang Sun You

IPC: H04W8/26 ,  H04W74/04 ,  H04W84/12

CPC classification number: H04W8/26 ,  H04W74/04 ,  H04W84/12

Abstract: Provided is a method for transceiving data in a wireless LAN system on the basis of a station (STA). The method comprises: receiving an allocation for an association ID (AID) by associating with an access point (AP); and exchanging data with the AP during the channel access period for an STA group comprising the STA. The STA group is grouped on the basis of the AID.

Abstract translation: 提供了一种用于基于站（STA）在无线LAN系统中收发数据的方法。 该方法包括：通过与接入点（AP）相关联来接收关联ID（AID）的分配; 并且在针对包括STA的STA组的信道接入周期期间与AP交换数据。 基于AID对STA组进行分组。

公开(公告)号：US09497057B2

公开(公告)日：2016-11-15

申请号：US14362860

申请日：2012-12-06

Applicant: LG ELECTRONICS INC.

Inventor： Hyang Sun You ,  Yong Ho Seok ,  Jong Hyun Park

IPC: H04L27/26 ,  H04L25/02 ,  H04L5/00 ,  H04W84/12 ,  H04W88/08 ,  H04L27/20

CPC classification number: H04L27/2607 ,  H04L5/005 ,  H04L25/0204 ,  H04L25/0226 ,  H04L27/2032 ,  H04L27/261 ,  H04W84/12 ,  H04W88/08

Abstract: The present invention relates to a method for performing channel sounding by means of an access point (AP) in a wireless LAN system. The method includes the steps of transmitting a null data packet announcement (NDPA) frame to notify that an NDP is to be transmitted, transmitting the NDP, and receiving a feedback frame from a station (STA). The NDP includes a signal field. The signal field of the NDP is transmitted through two orthogonal frequency division multiplexing (OFDM) symbols. One of the two OFDM symbols is a repeated OFDM symbol signifying that the other is repeated.

Abstract translation: 本发明涉及一种在无线LAN系统中通过接入点（AP）进行信道探测的方法。 该方法包括以下步骤：发送空数据分组公告（NDPA）帧以通知NDP将被发送，发送NDP，以及从站（STA）接收反馈帧。 NDP包括一个信号字段。 NDP的信号字段通过两个正交频分复用（OFDM）符号传输。 两个OFDM符号中的一个是重复的OFDM符号，表示另一个被重复。

公开(公告)号：US20160165534A1

公开(公告)日：2016-06-09

申请号：US14943497

申请日：2015-11-17

Applicant: LG Electronics Inc.

Inventor： Eun Sun Kim ,  Yong Ho Seok ,  Jong Hyun Park ,  Hyang Sun You

IPC: H04W52/02

CPC classification number: H04W52/0206 ,  H04W52/0216 ,  H04W52/0229 ,  H04W74/006 ,  H04W84/12 ,  Y02B70/30 ,  Y02D70/00 ,  Y02D70/142 ,  Y02D70/144 ,  Y02D70/164 ,  Y02D70/21 ,  Y02D70/22

Abstract: A communication method based on identifying information assignment in a wireless local area network (WLAN) system, performed by a station (STA), is provided. The method includes receiving an identifier assignment message from an access point (AP), wherein the identifier assignment message comprises identifying information for the STA, and TIM offset information for a time point at which at least one traffic indication map (TIM) element for the STA starts to be transmitted; receiving a first TIM element from the AP at a time point indicated by the TIM offset information; determining whether the first TIM element comprises the identifying information; and receiving a first data frame from the AP if the first TIM element contains the identifying information.

公开(公告)号：US09363122B2

公开(公告)日：2016-06-07

申请号：US14359731

申请日：2012-11-28

Applicant: LG ELECTRONICS INC.

Inventor： Jong Hyun Park ,  Hyang Sun You ,  Yong Ho Seok

IPC: H04L5/14 ,  H04L27/26 ,  H04L25/02 ,  H04L1/00 ,  H04L5/00

CPC classification number: H04L27/2607 ,  H04L1/0042 ,  H04L1/0075 ,  H04L5/0048 ,  H04L25/0224 ,  H04L27/2613

Abstract: Disclosed are a method and apparatus for transmitting a training field. The method for transmitting a training field in a wireless LAN system comprises the steps of: transmitting additional long training field (LTF) indication information; and transmitting a frame including the additional LTF and partitioned data fields. The additional LTF comprises a field for demodulating the partitioned data fields included in the frame, the additional LTF indication information includes information on the location of the additional LTF included in the frame, and the partitioned data field includes at least one sub-field. Accordingly, the present invention can enhance channel estimation performance.

Abstract translation: 公开了一种用于发送训练场的方法和装置。 用于在无线LAN系统中发送训练场的方法包括以下步骤：发送附加的长训练场（LTF）指示信息; 以及发送包括附加LTF和分区数据字段的帧。 附加LTF包括用于解调包括在帧中的分割数据字段的字段，附加LTF指示信息包括关于包括在帧中的附加LTF的位置的信息，并且分割数据字段包括至少一个子字段。 因此，本发明可以增强信道估计性能。

公开(公告)号：US20140334420A1

公开(公告)日：2014-11-13

申请号：US14362860

申请日：2012-12-06

Applicant: LG ELECTRONICS INC

Inventor： Hyang Sun You ,  Yong Ho Seok ,  Jong Hyun Park

IPC: H04L27/26 ,  H04L5/00

CPC classification number: H04L27/2607 ,  H04L5/005 ,  H04L25/0204 ,  H04L25/0226 ,  H04L27/2032 ,  H04L27/261 ,  H04W84/12 ,  H04W88/08

Abstract: The present invention relates to a method for performing channel sounding by means of an access point (AP) in a wireless LAN system. The method includes the steps of transmitting a null data packet announcement (NDPA) frame to notify that an NDP is to be transmitted, transmitting the NDP, and receiving a feedback frame from a station (STA). The NDP includes a signal field. The signal field of the NDP is transmitted through two orthogonal frequency division multiplexing (OFDM) symbols. One of the two OFDM symbols is a repeated OFDM symbol signifying that the other is repeated.

Abstract translation: 本发明涉及一种在无线LAN系统中通过接入点（AP）进行信道探测的方法。 该方法包括以下步骤：发送空数据分组公告（NDPA）帧以通知NDP将被发送，发送NDP，以及从站（STA）接收反馈帧。 NDP包括一个信号字段。 NDP的信号字段通过两个正交频分复用（OFDM）符号传输。 两个OFDM符号中的一个是重复的OFDM符号，表示另一个被重复。

公开(公告)号：US20140328238A1

公开(公告)日：2014-11-06

申请号：US14357741

申请日：2012-11-26

Applicant: LG Electronics Inc.

Inventor： Yong Ho Seok ,  Jong Hyun Park ,  Hyang Sun You

IPC: H04W52/02 ,  H04W4/00

CPC classification number: H04W52/0212 ,  H04W4/80 ,  H04W52/0216 ,  H04W74/04 ,  Y02D70/142 ,  Y02D70/168 ,  Y02D70/21 ,  Y02D70/22

Abstract: Provided is a data transceiving method performed by a station (STA) in a wireless LAN system. The method comprises: receiving subgrouping parameter information from an access point (AP); determining whether a frame buffered in the STA subgroup in which the STA is contained exists or not based on the subgrouping parameter information; receiving a TIM element in a channel access interval for the STA subgroup from the AP if the buffered frame exists; and exchanging the AP and the frame in the channel access interval based on the TIM element.

Abstract translation: 提供了一种由无线LAN系统中的站（STA）执行的数据收发方法。 该方法包括：从接入点（AP）接收子分组参数信息; 基于所述子分组参数信息来确定是否存在在所述STA中包含所述STA的STA子组中缓冲的帧是否存在; 如果缓冲的帧存在，则从AP接收STA子组的信道接入间隔中的TIM元素; 并且基于TIM元素在信道访问间隔中交换AP和帧。

公开(公告)号：US20140294020A1

公开(公告)日：2014-10-02

申请号：US14359755

申请日：2012-12-05

Applicant: LG ELECTRONICS INC.

Inventor： Hyang Sun You ,  Jong Hyun Park ,  Yong Ho Seok

IPC: H04L29/06

CPC classification number: H04L69/22 ,  H04L5/0048 ,  H04L25/0226 ,  H04L25/0228 ,  H04L27/2613

Abstract: The present invention relates to a method and apparatus for transmitting channel parameter information. A method for transmitting a frame in consideration of a channel environment includes the steps of: receiving long training field (LTF) setting information from a station; creating a frame including an LTF, a plurality of divided data fields, and an additional LTF on the basis of the LTF setting information; and transmitting the frame, wherein the LTF positions are ahead of the plurality of divided data fields, the additional LTF positions are between or behind the plurality of divided data fields, and the LTF setting information can be created on the basis of the movement of the station. Therefore, channel estimation performance can be increased.

Abstract translation: 本发明涉及发送信道参数信息的方法和装置。 考虑到信道环境发送帧的方法包括以下步骤：从站接收长训练场（LTF）设置信息; 基于LTF设置信息创建包括LTF，多个分割数据字段和附加LTF的帧; 并且发送所述帧，其中所述LTF位置在所述多个划分的数据字段之前，所述附加LTF位置在所述多个划分的数据字段之间或之后，并且可以基于所述多个分割数据字段的移动来创建所述LTF设置信息 站。 因此，可以提高信道估计性能。

公开(公告)号：US20140286226A1

公开(公告)日：2014-09-25

申请号：US14239740

申请日：2012-12-10

Applicant: LG ELECTRONICS INC.

Inventor： Yong Ho Seok ,  Hyang Sun You ,  Jong Hyun Park

IPC: H04W4/06

CPC classification number: H04W4/06 ,  H04B7/2612 ,  H04W56/00 ,  H04W56/001 ,  H04W88/02 ,  H04W88/08

Abstract: Provided is a method for receiving a frame, which is to be performed by a station (STA) in a wireless LAN system. The method includes receiving a multicast frame from an access point (AP). The multicast frame includes a medium access control (MAC) header. The MAC header includes a transmitter address (TA) field and a receiver address (RA) field. The RA field includes a multicast association identifier for identifying an STA group including said STA.

Abstract translation: 提供了一种用于接收由无线LAN系统中的站（STA）执行的帧的方法。 该方法包括从接入点（AP）接收多播帧。 多播帧包括媒体访问控制（MAC）头。 MAC报头包括发送机地址（TA）字段和接收方地址（RA）字段。 RA字段包括用于识别包括所述STA的STA组的多播关联标识符。

公开(公告)号：US09781615B2

公开(公告)日：2017-10-03

申请号：US14350762

申请日：2012-10-22

Applicant: LG ELECTRONICS INC.

Inventor： Hyang Sun You ,  Yong Ho Seok ,  Jong Hyun Park

IPC: H04W48/16 ,  H04W24/06

CPC classification number: H04W24/06 ,  H04W48/16

Abstract: Disclosed are a link adaptation method and device in an active scanning method. The link adaptation method transmits a the probe request frame comprising null data packet announcement (NDPA) information elements, transmits a null data packet (NDP) frame comprising only a physical layer convergence protocol (PLCP) header after transmitting the probe request frame, and receives a the probe response frame comprising feedback information elements measured based on the NDP frame. Therefore, the invention is capable of improving data transmission efficiency by using a modulation coding scheme (MCS) suitable for a channel state from initial connection.

公开(公告)号：US09525474B2

公开(公告)日：2016-12-20

申请号：US14360506

申请日：2012-11-22

Applicant: LG Electronics Inc.

Inventor： Jong Hyun Park ,  Hyang Sun You ,  Yong Ho Seok

IPC: H04L27/26 ,  H04B7/06 ,  H04L25/02 ,  H04L1/00 ,  H04L1/08 ,  H04L5/00 ,  H04W84/12

CPC classification number: H04B7/0626 ,  H04L1/0009 ,  H04L1/08 ,  H04L5/0007 ,  H04L5/0048 ,  H04L5/0053 ,  H04L25/0226 ,  H04L27/2613 ,  H04L27/2646 ,  H04W84/12

Abstract: The present invention relates to a method of performing channel sounding in a wireless LAN system. The method includes transmitting a Null Data Packet Announcement (NDPA) frame for providing notice of an NDP to be transmitted, and transmitting the NDP and receiving a feedback frame from a station (STA). The feedback frame includes channel state information created on the basis of the NDP. The NDP includes a signal field and at least one long training field (LTF) for a multiple input multiple output channel. The signal field includes a repetitive instruction subfield. The repetitive instruction subfield provides instruction on whether orthogonal frequency division multiplexing (OFDM) symbol repetition is applied to the at least one LTF.

Abstract translation: 本发明涉及一种在无线LAN系统中执行信道探测的方法。 该方法包括发送用于提供要发送的NDP的通知的空数据分组通知（NDPA）帧，以及发送NDP并从站（STA）接收反馈帧。 反馈帧包括基于NDP创建的信道状态信息。 NDP包括用于多输入多输出通道的信号场和至少一个长训练场（LTF）。 信号字段包括重复指令子字段。 重复指令子域提供关于是否将正交频分复用（OFDM）符号重复应用于至少一个LTF的指令。