公开(公告)号：EP3229433A4

公开(公告)日：2018-07-18

申请号：EP15864589

申请日：2015-10-15

申请人： LG ELECTRONICS INC

发明人： PARK EUNSUNG ,  LEE WOOKBONG ,  CHOI JINSOO ,  CHO HANGYU ,  KANG JIWON ,  LEE KILBOM

IPC分类号： H04L27/26

CPC分类号： H04L27/26

摘要： The present invention relates to a method for transmitting and receiving a Physical Protocol Data Unit (PPDU) and an apparatus for supporting the same. Particularly, a method for transmitting a Physical Protocol Data Unit (PPDU) performed by an apparatus in a wireless communication system may include generating a High Efficiency-Short Training Field (HE-STF) sequence in a frequency domain throughout a transmission bandwidth of the PPDU and transmitting the PPDU that includes an HE-STF field which is constructed based on the HE-STF sequence, wherein the HE-STF sequence may be mapped to a data tone except a direct current tone and a guard tone, and wherein a non-zero value may be mapped to all data tones that include a tone index which is a multiple of a predetermined value in the data tone.

公开(公告)号：EP3217588A4

公开(公告)日：2018-07-04

申请号：EP15856745

申请日：2015-11-05

申请人： LG ELECTRONICS INC

发明人： CHOI JINSOO ,  CHO HANGYU ,  LEE WOOKBONG ,  KIM JEONGKI

IPC分类号： H04L5/00 ,  H04W72/04 ,  H04W84/12

CPC分类号： H04W72/0486 ,  H04L5/00 ,  H04L5/0007 ,  H04L5/0094 ,  H04W72/121 ,  H04W84/12

摘要： Disclosed are a method and a device for allocating a resource unit on the basis of a container in a wireless LAN. The method for allocating a resource unit in a wireless LAN comprises the steps of: generating, by an AP, a PPDU to be transmitted to a plurality of STAs; and transmitting, by the AP, the PPDU to the plurality of STAs through at least one container allocated on the entire frequency band, wherein the PPDU includes MU/SU transmission indication information and resource allocation information for each container, the MU/SU transmission indication information includes information on whether an SU-based transmission or an MU-based transmission is carried out on the entire bandwidth, and the resource allocation information for each container can include information on the number of STAs allocated to each of the at least one container.

公开(公告)号：EP3206326A4

公开(公告)日：2018-05-30

申请号：EP15849604

申请日：2015-10-06

申请人： LG ELECTRONICS INC

发明人： CHOI JINSOO ,  CHO HANGYU ,  LEE WOOKBONG

IPC分类号： H04L5/00 ,  H04L1/00 ,  H04L27/26 ,  H04W72/12 ,  H04W84/12 ,  H04W88/08

CPC分类号： H04W72/12 ,  H04L1/0071 ,  H04L5/00 ,  H04L5/0048 ,  H04L27/26 ,  H04W84/12 ,  H04W88/08

摘要： Disclosed are a method and an apparatus for transmitting data on a resource unit including a pilot tone, in a WLAN. The method for transmitting data on the resource unit including the pilot tone, in a WLAN, comprises the steps of: an AP scheduling, on a bandwidth, each of a plurality of wireless resources for communicating with a plurality of STAs; and the AP transmitting, through each of the plurality of wireless resources, a plurality of items of downlink data to each of the plurality of STAs, wherein at least one wireless resource from among the plurality of wireless resources is a virtual allocation resource unit, and a set of positions of a plurality of first pilot tones included in the virtual allocation resource unit can be included in a set of positions of a plurality of second pilot tones, which is included in at least one first resource unit and at least one second resource unit that form the virtual allocation resource unit.

公开(公告)号：EP3188430A4

公开(公告)日：2018-05-02

申请号：EP15834294

申请日：2015-08-19

申请人： LG ELECTRONICS INC

发明人： LEE KILBOM ,  KANG JIWON ,  CHOI JINSOO ,  LEE WOOKBONG ,  LIM DONGGUK ,  CHO HANGYU ,  PARK EUNSUNG

IPC分类号： H04L5/00

CPC分类号： H04L5/0048 ,  H04L5/0007 ,  H04L5/0044 ,  H04L5/0053 ,  H04L5/0064 ,  H04L5/0082

摘要： Disclosed are a transmitter and a pilot sequence transmission method comprising: generating an asymmetric sequence set comprising pilot sequences which have been shifted by irregular intervals; mapping, to the pilot sequences, additional information that is shown by using shared bits and non-shared bits; and selecting any one pilot sequence and transmitting same.

公开(公告)号：EP3190759A4

公开(公告)日：2018-04-25

申请号：EP15837381

申请日：2015-08-06

申请人： LG ELECTRONICS INC

发明人： CHOI JINSOO ,  LEE KILBOM ,  LEE WOOKBONG ,  CHO HANGYU ,  KANG JIWON

IPC分类号： H04L27/26

CPC分类号： H04B7/0452 ,  H04L5/0007 ,  H04L27/26 ,  H04L27/2628

摘要： A method and device for transmitting a training field in a wireless LAN are disclosed. The method for transmitting a training field in a wireless LAN may include the steps of generating PPDUs to be respectively transmitted to a plurality of STAs by an AP, and respectively transmitting the PPDUs by the AP to the plurality of STAS respectively through a plurality of sub bands on an OFDMA-based overlapped time resource, wherein the PPDU may include the training field, the training field may be generated based on a training sequence, and the training sequence may be designed so that a non-null tone for AGC is included in a plurality of tone that corresponds to the plurality of sub bands, respectively.

公开(公告)号：EP3190853A4

公开(公告)日：2018-04-18

申请号：EP15795100

申请日：2015-09-02

申请人： LG ELECTRONICS INC

发明人： PARK GIWON ,  RYU KISEON ,  KIM JEONGKI ,  CHO HANGYU ,  KIM SUHWOOK

IPC分类号： H04W74/06 ,  H04W4/06 ,  H04W52/02 ,  H04W84/12 ,  H04W88/08

CPC分类号： H04W52/02 ,  H04W4/06 ,  H04W74/06 ,  H04W84/12 ,  H04W88/08 ,  Y02D70/00 ,  Y02D70/142 ,  Y02D70/21 ,  Y02D70/22

摘要： Method and apparatus for triggering a plurality of PS-poll frames in wireless LAN is disclosed. The method for triggering a plurality of PS-poll frames is comprising transmitting, by an AP, a beacon frame, transmitting, by the AP, a first PS-poll trigger frame during a beacon interval, receiving, by the AP, a plurality of first PS-poll frames transmitted based on a UL MU transmission as a response to the first PS-poll trigger frame by a first STA group, transmitting, by the AP, a plurality of first downlink data frames based on a DL MU transmission as a response to the plurality of the first PS-poll frames, transmitting, by the AP, a second PS-poll trigger frame during the beacon interval, receiving, by the AP, a plurality of second PS-poll frames transmitted based on the UL MU transmission as a response to the second PS-poll trigger frame by a second STA group and transmitting, by the AP, a plurality of second downlink data frames based on the DL MU transmission as a response to the plurality of the second PS-poll frames.

公开(公告)号：EP3188564A4

公开(公告)日：2018-04-18

申请号：EP15836352

申请日：2015-08-31

申请人： LG ELECTRONICS INC

发明人： KIM JEONGKI ,  CHOI JINSOO ,  RYU KISEON ,  CHO HANGYU

IPC分类号： H04W72/12 ,  H04W74/04 ,  H04W84/12

CPC分类号： H04W72/1289 ,  H04W74/04 ,  H04W84/12

摘要： The present specification discloses a method by which a station (STA) operating in a wireless LAN system transmits a signal. Here, the method comprises the steps of: receiving a first frame including resource allocation information from an AP station; and transmitting a second frame to the AP station on the basis of the resource allocation information, wherein the first frame includes an allocation type part and a trigger frame body part, and the second frame can be set to an NDP frame and the trigger frame body part can include allocation information on the NDP frame when the allocation type part is set to a first value.

公开(公告)号：EP3182677A4

公开(公告)日：2018-03-14

申请号：EP15831830

申请日：2015-08-10

申请人： LG ELECTRONICS INC

发明人： KIM JEONGKI ,  RYU KISEON ,  PARK GIWON ,  KIM SUHWOOK ,  CHO HANGYU

IPC分类号： H04L29/08 ,  H04L29/06 ,  H04W28/06

CPC分类号： H04W74/0833 ,  H04L29/06 ,  H04L29/08 ,  H04W8/26 ,  H04W72/0413 ,  H04W72/1268 ,  H04W74/006 ,  H04W84/12 ,  H04W88/02

摘要： The present disclosure relates to a method of receiving, by a station that operates in a wireless LAN system, a signal in a wireless communication system. In this case, it is possible to include the steps of receiving a PPDU that includes an MAC frame, decoding the MAC frame, and checking information in the MAC frame based on the MAC header of the MAC frame that includes a first address field and a second address field. In this case, when the PPDU includes the identification information (ID) of a station, the MAC header may include only one of any of the first address field and the second address field.

公开(公告)号：EP3154213A4

公开(公告)日：2018-03-07

申请号：EP15806676

申请日：2015-06-08

申请人： LG ELECTRONICS INC

发明人： KIM JEONGKI ,  RYU KISEON ,  PARK GIWON ,  KIM SUHWOOK ,  CHO HANGYU

IPC分类号： H04L5/00 ,  H04L27/26 ,  H04W72/04 ,  H04W72/12 ,  H04W84/12 ,  H04W88/08

CPC分类号： H04W72/12 ,  H04L5/0007 ,  H04L5/0044 ,  H04L5/0053 ,  H04L5/0055 ,  H04L5/0058 ,  H04L5/0092 ,  H04L27/2601 ,  H04W72/04 ,  H04W72/1268 ,  H04W84/12 ,  H04W88/08

摘要： The present document relates to a method for efficiently performing uplink multi-user transmission in a wireless LAN system and an apparatus therefor. To this end, an access point (AP) may transmit a downlink multi-user frame to a plurality of STAs, receive an uplink frame including an acknowledgement/non-acknowledgement (ACK/NACK) signal for the downlink multi-user frame and an uplink scheduling request signal from at least two STAs among the STAs, transmit a downlink frame including uplink scheduling information to the at least two STAs on the basis of the uplink scheduling request signal, and receive an uplink multi-user frame including data from the at least two STAs in response thereto. Here, an SIG field of the downlink frame preferably comprises an indicator indicating that the downlink frame includes uplink multi-user scheduling information.

公开(公告)号：EP3131359A4

公开(公告)日：2017-12-27

申请号：EP15776703

申请日：2015-04-09

申请人： LG ELECTRONICS INC

发明人： KIM JEONGKI ,  RYU KISEON ,  CHOI JINSOO ,  PARK GIWON ,  KIM SUHWOOK ,  CHO HANGYU

IPC分类号： H04W74/08 ,  H04B7/0452 ,  H04L5/00 ,  H04W28/04 ,  H04W76/06 ,  H04W84/12

CPC分类号： H04W72/042 ,  H04B7/0452 ,  H04L5/0007 ,  H04W28/04 ,  H04W74/08 ,  H04W76/068 ,  H04W84/12

摘要： The present document relates to a wireless communication system and, more particularly, to a method for performing retransmission in a wireless LAN system to which transmission opportunity (TXOP) sharing is applied, and a device therefor. To this end, a station transmits an initial transmission frame including primary access category (AC) information and secondary access category (AC) information; and when there is no response to the secondary AC information of the initial transmission frame, reconfigures a back-off timer value for the secondary AC information and retransmits the secondary AC information according to the reconfigured back-off timer value.