公开(公告)号：US20180302924A1

公开(公告)日：2018-10-18

申请号：US15767344

申请日：2016-10-26

Applicant: LG ELECTRONICS INC.

Inventor： Jeongki KIM ,  Kiseon RYU ,  Hangyu CHO

IPC: H04W74/08

Abstract: The present document relates to a method for performing random access in a wireless LAN system and an apparatus therefor. To this end, a station (STA) may: receive, from an AP, a first trigger frame for assigning at least one of multiple resource units (RUs) for random access; randomly select one of the at least one RU for random access when a first counter, which is set for the STA, becomes 0; and when it is determined that an uplink frame cannot be transmitted through the randomly selected RU, reselect an RU on the basis of a second trigger frame subsequent to the first trigger frame, wherein, in reselecting the RU, the STA may randomly set the first counter again and delay the reselection of the RU on the basis of the first counter which has been randomly set again.

公开(公告)号：US20180288743A1

公开(公告)日：2018-10-04

申请号：US15562400

申请日：2015-12-04

Applicant: LG ELECTRONICS INC.

Inventor： Hyeyoung CHOI ,  Kiseon RYU ,  Jeongki KIM ,  Hangyu CHO ,  Suhwook KIM

IPC: H04W72/04 ,  H04W74/08

CPC classification number: H04W72/04 ,  H04L1/1614 ,  H04L5/0094 ,  H04W74/006 ,  H04W74/06 ,  H04W74/0833 ,  H04W76/10 ,  H04W84/12

Abstract: A method for a station (STA) not having an association identifier (AID) allocated thereto transmitting a signal in a wireless LAN system, according to one embodiment of the present invention, comprises the steps of: transmitting a first frame through at least one resource among resources indicated by a trigger frame; and receiving a multi-STA block Ack (M-BA) frame as a reply to the first frame, wherein, if in the M-BA frame a MAC address of the STA that is different from a first information is detected from at least a part of a first field reserved for the first information, an N-bit of a second field preceding the first field is set as a temporary AID of the STA.

公开(公告)号：US20180279362A1

公开(公告)日：2018-09-27

申请号：US15542333

申请日：2016-01-07

Applicant: LG ELECTRONICS INC.

Inventor： Hyeyoung CHOI ,  Kiseon RYU ,  Jeongki KIM ,  Suhwook KIM

IPC: H04W74/04 ,  H04W72/12

CPC classification number: H04W74/04 ,  H04W48/12 ,  H04W48/16 ,  H04W72/1263 ,  H04W84/12

Abstract: A method for transmitting and receiving a frame by an access point (AP) in a wireless communication system, according to an embodiment of the present invention, comprises the steps of: determining two or more STAs for performing multi-user (MU) transmission; determining a delivery traffic indication map (DTIM) for transmitting a parameter related to a trigger frame with respect to each of the two or more STAs; transmitting the parameter related to the trigger frame by means of the DTIM; and receiving from the two or more STAs an MU frame in time-frequency resources which are indicated in the parameter related to the trigger frame.

公开(公告)号：US20180249503A1

公开(公告)日：2018-08-30

申请号：US15750820

申请日：2016-08-12

Applicant: LG ELECTRONICS INC.

Inventor： Jeongki KIM ,  Kiseon RYU ,  Hangyu CHO

IPC: H04W74/08 ,  H04W72/12

CPC classification number: H04W74/0816 ,  H04W72/12 ,  H04W84/12

Abstract: A method for performing network allocation vector (NAV) operation by a station (STA) in a wireless LAN system, according to an embodiment of the present invention, comprises the steps of: receiving a first frame; and configuring NAV in accordance with basic service set (BSS) of the first frame, wherein the first frame is other BSS (OBSS) frame. If a received signal strength indicator (RSSI) is lower the OBSS packet detection (PD) level, an STA drops the OBSS frame without configuration of the NAV. And if second frame transmission of another STA following the OBSS frame is scheduled, the STA can defer the OBSS frame drop even if the RSSI is lower than the OBSS PD level.

公开(公告)号：US20180213516A1

公开(公告)日：2018-07-26

申请号：US15503687

申请日：2014-12-12

Applicant: LG ELECTRONICS INC.

Inventor： Suhwook KIM ,  Kiseon RYU ,  Jinyoung CHUN ,  Wookbong LEE ,  Jeongki KIM ,  Jinsoo CHOI ,  Hangyu CHO

IPC: H04W72/04 ,  H04W48/16 ,  H04W88/08

CPC classification number: H04W72/0406 ,  H04L5/0007 ,  H04L27/2602 ,  H04W48/16 ,  H04W74/0833 ,  H04W84/12 ,  H04W88/08

Abstract: Provided is a method and apparatus for performing active scanning in a wireless communication system. The method for performing active scanning in a wireless communication system may comprise the steps of: receiving, from an access point (AP) by a station (STA), a trigger frame including information on a probing duration which allows transmission of a probe request; and transmitting a probe request frame to the AP during the probing duration by the STA.

公开(公告)号：US20180176929A1

公开(公告)日：2018-06-21

申请号：US15671678

申请日：2017-08-08

Applicant: LG Electronics Inc.

Inventor： Kiseon RYU ,  Suhwook KIM ,  Jeongki KIM ,  Hyunhee PARK

IPC: H04W72/10 ,  H04L5/00 ,  H04W72/04

Abstract: Disclosed herein is a method for transmitting an uplink frame performed by a first wireless device in a wireless LAN system including the steps of receiving a basic trigger frame individually allocating a plurality of uplink wireless resources for a plurality of user devices from a second wireless device, wherein the basic trigger frame may include preference information indicating an AC type for an aggregation traffic and limit information indicating a maximum number of traffic identifiers allowed for the aggregation traffic, configuring the aggregation traffic in accordance with the preference information and the limit information, and configuring an uplink frame based on the aggregation traffic and a QoS null frame including ACK policy information being configured so that acknowledgement is not required by the second wireless device, wherein the QoS null frame may be included in the uplink frame regardless of the preference information and the limit information.

公开(公告)号：US20180176865A1

公开(公告)日：2018-06-21

申请号：US15579085

申请日：2016-06-03

Applicant: LG ELECTRONICS INC.

Inventor： Jeongki KIM ,  Kiseon RYU ,  Hangyu CHO

IPC: H04W52/02 ,  H04W72/04

CPC classification number: H04W52/0229 ,  H04W52/0235 ,  H04W72/04 ,  H04W74/06 ,  H04W84/12 ,  Y02D70/14 ,  Y02D70/142 ,  Y02D70/22

Abstract: A method for a station (STA) to operate in a power saving (PS) mode in a wireless LAN system that supports a high efficiency physical layer protocol data unit (HE PPDU), in one embodiment of the present invention, comprises the steps of: receiving a trigger frame which assigns a resource for transmission of an uplink multi-user (UL MU) PPDU; and determining whether to perform transition to a doze state on the basis of the trigger frame, wherein when the resource is not assigned to the STA through the trigger frame, the STA determines to perform transition to a doze state during a time period determined on the basis of an indicator information value of the trigger frame.

公开(公告)号：US20180132175A1

公开(公告)日：2018-05-10

申请号：US15570297

申请日：2016-02-17

Applicant: LG ELECTRONICS INC.

Inventor： Hyeyoung CHOI ,  Kiseon RYU ,  Jeongki KIM ,  Hangyu CHO ,  Suhwook KIM

IPC: H04W52/02 ,  H04W76/28 ,  H04W72/04

CPC classification number: H04W52/0206 ,  H04W52/02 ,  H04W52/0219 ,  H04W72/0446 ,  H04W72/12 ,  H04W76/28 ,  H04W84/12 ,  H04W88/08 ,  Y02D70/00 ,  Y02D70/1262 ,  Y02D70/14 ,  Y02D70/142 ,  Y02D70/21 ,  Y02D70/22

Abstract: A UL MU transmission method of an STA operating in a power save mode, and a device for performing the method are disclosed. The UL MU transmission method of an STA operating in a power save mode can comprise the steps of: transmitting, by a STA, a TWT request element to an AP; receiving, by the STA, a TWT response element from the AP as a response to the TWT request element, wherein the TWT response element includes information on a target wake time; switching, by the STA, from a dose state to an awake state on the basis of the target wake time so as to receive a beacon frame from the AP; receiving, by the STA, a trigger frame from the AP on the basis of TWT information of the beacon frame; and transmitting, by the STA, an uplink frame to the AP on the basis of the trigger frame by using an UL MU transmission.

公开(公告)号：US20180007661A1

公开(公告)日：2018-01-04

申请号：US15537356

申请日：2015-12-15

Applicant: LG ELECTRONICS INC.

Inventor： Jinyoung CHUN ,  Kiseon RYU ,  Wookbong LEE ,  Hangyu CHO

IPC: H04W72/04 ,  H04L1/18 ,  H04L27/26 ,  H04W84/12

CPC classification number: H04W72/04 ,  H04L1/00 ,  H04L1/1671 ,  H04L1/1685 ,  H04L1/1861 ,  H04L5/0037 ,  H04L5/0094 ,  H04L27/26 ,  H04L27/2601 ,  H04L27/2602 ,  H04W84/12

Abstract: Disclosed is an uplink (UL) multi-user (MU) transmission method of a station (STA) in a wireless LAN (WLAN) system. An UL MU transmission method of an STA in a WLAN system according to an embodiment of the present invention includes receiving a trigger frame including resource unit allocation information for orthogonal frequency division multiple access (OFDMA) transmission, sending an UL MU physical protocol data unit (PPDU) based on the resource unit allocation information, and receiving an ACK frame for the UL MU PPDU.

公开(公告)号：US20170272138A1

公开(公告)日：2017-09-21

申请号：US15505561

申请日：2015-08-24

Applicant: LG ELECTRONICS INC.

Inventor： Jinyoung CHUN ,  Kiseon RYU ,  Wookbong LEE ,  Jinsoo CHO ,  Hangyu CHO ,  Suhwook KIM

IPC: H04B7/06 ,  H04L1/06 ,  H04W74/00 ,  H04B7/0452 ,  H04L29/08

CPC classification number: H04B7/0613 ,  H04B7/0452 ,  H04B7/063 ,  H04B7/0669 ,  H04B7/0695 ,  H04L1/0031 ,  H04L1/0083 ,  H04L1/0643 ,  H04L1/1614 ,  H04L1/1685 ,  H04L29/08 ,  H04L69/323 ,  H04W72/042 ,  H04W74/006

Abstract: In the present invention, disclosed is a method for uplink multi-user transmission in a wireless communication system and an apparatus therefor. Specifically, a method for performing, by a station (STA), uplink (UL) multi-user (MU) transmission in a wireless communication system comprises the steps of: receiving, from an access point (AP), a trigger frame including information for UL MU transmission; and transmitting an UL MU PPDU on the basis of the information for UL MU transmission, wherein the trigger frame is a medium access control (MAC) frame, a MAC header of the trigger frame includes a type field and a subtype field, and the type of the trigger frame may be indicated by the type field and the subtype field.