公开(公告)号：US20180006781A1

公开(公告)日：2018-01-04

申请号：US15545664

申请日：2016-01-22

Applicant: LG ELECTRONICS INC.

Inventor： Jinsoo CHOI ,  Hangyu CHO ,  Wookbong LEE ,  Kiseon RYU

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

CPC classification number: H04L5/0041 ,  H04L5/0048 ,  H04L5/0073 ,  H04L5/0094 ,  H04L27/26 ,  H04L27/2628 ,  H04W72/0406 ,  H04W72/0453 ,  H04W84/12

Abstract: Proposed are a method and a device for transmitting a signal including a data field in a wireless LAN. For example, an access point (AP) allocates, to a second station, a second frequency band adjacent to a first frequency band, wherein the second frequency band can include a plurality of resource units. In addition, a signal including the data field can be transmitted to the second station through the allocated second frequency band. Furthermore, when the first frequency band is allocated to the first station, the AP can allocate, to the second station, as a null resource unit, a resource unit adjacent to the first frequency band among the plurality of resource units.

公开(公告)号：US20170339692A1

公开(公告)日：2017-11-23

申请号：US15329211

申请日：2015-07-03

Applicant: LG ELECTRONICS INC.

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

IPC: H04W72/04 ,  H04L5/00 ,  H04L1/00 ,  H04W88/02 ,  H04W84/12

CPC classification number: H04W72/0446 ,  H04L1/0003 ,  H04L1/1614 ,  H04L1/1621 ,  H04L5/0007 ,  H04L5/0055 ,  H04L27/2602 ,  H04W72/0413 ,  H04W84/12 ,  H04W88/02

Abstract: Disclosed in the present invention are a method for transmitting a frame in a wireless communication system and a device therefor. Specifically, the method for transmitting a frame in a wireless communication system comprises a step in which a station (STA) transmits a frame comprising a legacy-short training field (L-STF), a legacy-long training field (L-LTF), and a signal (SIG) field, wherein the SIG field may comprise a trigger indication and a cascade indication, the trigger indication indicating whether the frame is a trigger frame comprising configuration information of an uplink multi-user (MU) data frame, and the cascade indication indicating whether the frame comprises a medium access control (MAC) frame.

公开(公告)号：US20170339673A1

公开(公告)日：2017-11-23

申请号：US15523234

申请日：2015-11-02

Applicant: LG ELECTRONICS INC.

Inventor： Jinsoo CHOI ,  Hangyu CHO ,  Wookbong LEE

IPC: H04W72/04 ,  H04W84/12

CPC classification number: H04W72/044 ,  H04L5/00 ,  H04L5/0048 ,  H04W72/04 ,  H04W72/042 ,  H04W72/121 ,  H04W72/1289 ,  H04W84/12

Abstract: A method and a device for allocating resource units in a wireless LAN are disclosed. The method for allocating resource units 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 on the whole frequency band, wherein the PPDU includes resource allocation information, the resource allocation information includes first resource unit allocation information for allocating first resource units and second resource unit allocation information for allocating second resource units, the first resource unit allocation information is information relating to the allocation of the first resource units for at least one first STA, among the plurality of STAs, which is to receive the PPDU through the first resource units on the whole frequency band, the second resource unit allocation information is information relating to the allocation of the second resource units for at least one second STA, among the plurality of STAs, which is to receive the PPDU through the second resource units on the whole frequency band, and the number of tones allocated to the first resource units can be larger than the number of tones allocated to the second resource units.

公开(公告)号：US20170338928A1

公开(公告)日：2017-11-23

申请号：US15523275

申请日：2015-11-02

Applicant: LG ELECTRONICS INC.

Inventor： Eunsung PARK ,  Jinsoo CHOI ,  Dongguk LIM ,  Hangyu CHO ,  Wookbong LEE

IPC: H04L5/00 ,  H04L27/26 ,  H04W84/12

CPC classification number: H04L5/0051 ,  H04L5/0044 ,  H04L5/0048 ,  H04L27/26 ,  H04W84/12

Abstract: A method for transmitting data from a station (STA) device in a wireless LAN (WLAN) system, according to one embodiment of the present invention, comprises the steps of: generating a physical protocol data unit (PPDU) including a physical preamble and a data field; and transmitting the PPDU, wherein when the data field is transmitted by using a 106-tone resource unit including first to fourth pilot tones, the positions of the first to the fourth pilot tones may be identical to the positions of four pilot tones from among eight pilot tones included in four 26-tone resource units, which are present at a position corresponding to the 106-tone resource unit, or identical to the positions of four pilot tones from among eight pilot tones included in two 52-tone resource units, which are present at a position corresponding to the 106-tone resource unit.

公开(公告)号：US20170331587A1

公开(公告)日：2017-11-16

申请号：US15532049

申请日：2015-05-19

Applicant: LG ELECTRONICS INC.

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

IPC: H04L1/00 ,  H04L1/16 ,  H04L5/00 ,  H04W72/04 ,  H04W84/12

Abstract: Disclosed are a method and a device for recovering an error without the retransmission of a data frame in a wireless LAN. The method for recovering an error in a wireless LAN may comprise the steps in which: a sender STA transmits a data frame to a receiver STA; if the sender STA does not receive a block ACK frame of the data frame from the receiver STA, the sender STA determines the reason for the non-reception of the data frame; if the sender STA determines that the reason for the non-reception of the data frame is the failure of transmission of the block ACK frame after the receiver STA receives the data frame, the sender STA transmits a PBAR data frame to the receiver STA; and the sender STA receives a PBAR block ACK frame from the receiver STA as a response to the PBAR data frame.

公开(公告)号：US20170302417A1

公开(公告)日：2017-10-19

申请号：US15510212

申请日：2015-07-27

Applicant: LG ELECTRONICS INC.

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

IPC: H04L5/00 ,  H04L27/26 ,  H04B7/04 ,  H04W84/12

CPC classification number: H04L5/0044 ,  H04B7/0452 ,  H04L5/0007 ,  H04L5/0032 ,  H04L5/0037 ,  H04L5/0048 ,  H04L5/005 ,  H04L5/0053 ,  H04L27/26 ,  H04L27/2613 ,  H04L27/2628 ,  H04W84/12

Abstract: According to an embodiment of the present invention, a data transmission method for a station (STA) device in a wireless LAN (WLAN) system includes the steps of: generating a physical protocol data unit (PPDU) that includes a physical preamble and a data field; and transmitting the PPDU. Therein: the whole transmission band of the PPDU is made up of a plurality of resource units in a frequency region; each of the plurality of resource units is configured from a preset number of tones; resource units, from among the plurality of resource units, that have the same logical index are allocated to the same STA; and the resource units that have the same logical index may be discontinuously located in the frequency region.

公开(公告)号：US20170280453A1

公开(公告)日：2017-09-28

申请号：US15504007

申请日：2015-08-05

Applicant: LG ELECTRONICS INC.

Inventor： Jinsoo CHOI ,  Hangyu CHO ,  Wookbong LEE

IPC: H04W72/04

CPC classification number: H04W72/0453 ,  H04L5/0037 ,  H04W72/042 ,  H04W72/08 ,  H04W84/12

Abstract: Disclosed is a method and apparatus for allocating a wireless resource in order to prevent interference in a wireless LAN. A method for allocating a wireless resource in a wireless LAN may comprise the steps of: allocating, by an AP, a plurality of wireless resources for a plurality of STAs included in a BSS, in the entire bandwidth, respectively; and transmitting, by the AP, a PPDU to the plurality of STAs through the plurality of wireless resources, respectively, wherein each of the plurality of wireless resources is a combination of a plurality of wireless units defined in different sizes on a frequency axis, and each of the plurality of wireless resources can be determined in consideration of the size of the bandwidth of at least one STA supporting a bandwidth smaller than the size of the entire bandwidth from among the plurality of STAs.

公开(公告)号：US20170238286A1

公开(公告)日：2017-08-17

申请号：US15502973

申请日：2015-08-05

Applicant: LG ELECTRONICS INC.

Inventor： Jinyoung CHUN ,  Kiseon RYU ,  Wookbong LEE ,  Jinsoo CHOI ,  Dongguk LIM ,  Hangyu CHO

IPC: H04W72/04 ,  H04L5/00

CPC classification number: H04W72/042 ,  H04L1/00 ,  H04L1/16 ,  H04L5/0023 ,  H04L5/0055 ,  H04L5/0064 ,  H04L5/0091 ,  H04L27/0008 ,  H04W72/0413 ,  H04W72/0446

Abstract: The present invention discloses a method and device for downlink multi-user (DL MU) transmission in a wireless communication system. In particular, the method for downlink multi-user data transmission in the wireless communication system includes the steps of receiving, by a station (STA), a DL MU data frame from an access point (AP) and transmitting, by the STA, an acknowledgement (ACK) frame in response to the DL MU data frame, wherein a plurality of ACK frames transmitted by a plurality of STAs in response to the DL MU data frame is multiplexed to configure an uplink multi-user (UP MU) ACK frame, and the time and/or size of a frequency resource at which the ACK frame is transmitted may be determined according to the level of a modulation and coding scheme (MCS) that is applied to the ACK frame.

公开(公告)号：US20170230952A1

公开(公告)日：2017-08-10

申请号：US15502193

申请日：2015-08-05

Applicant: LG ELECTRONICS INC.

Inventor： Jinsoo CHOI ,  Hangyu CHO ,  Wookbong LEE ,  Dongguk LIM

IPC: H04W72/04 ,  H04L5/00

CPC classification number: H04W72/042 ,  H04L5/0007 ,  H04L5/0037 ,  H04L5/0044 ,  H04W72/04 ,  H04W84/12

Abstract: Disclosed are a method and a device for allocating wireless resources for transmitting or receiving data in a wireless LAN. The method for allocating the wireless resources in the wireless LAN can comprise the steps of: allocating, by an access point (AP), each of the plurality of wireless resources for each of a plurality of stations (STAs) over the entire bandwidth; and transmitting, by the AP, a physical protocol data unit (PPDU) to each of the plurality of STAs through each of the plurality of wireless resources, wherein each of the plurality of wireless resources can be a combination of a plurality of wireless resource units defined as having different sizes from each other on a frequency axis.

公开(公告)号：US20170201357A1

公开(公告)日：2017-07-13

申请号：US15325397

申请日：2015-06-10

Applicant: LG ELECTRONICS INC.

Inventor： Jinsoo CHOI ,  Wookbong LEE ,  Dongguk LIM ,  Hangyu CHO

IPC: H04L5/00 ,  H04L27/26 ,  H04W72/04

CPC classification number: H04L5/0007 ,  H04L27/2605 ,  H04L27/2613 ,  H04L27/2628 ,  H04L27/2646 ,  H04L27/2666 ,  H04W72/0413 ,  H04W84/12 ,  H04W88/08

Abstract: Disclosed are a method and an apparatus for transmitting a data unit comprising guard intervals having different lengths. A method for transmitting a data unit in a wireless LAN comprises the steps of: a transmission STA generating a PPDU; and the transmission PPDU transmitting the PPDU to one or more reception STAs, wherein the PPDU sequentially comprises a first signal field, a second signal field, and a training field, wherein the first signal field is generated on the basis of a first IFFT size and is transmitted in a first OFDM symbol, the second signal field is generated on the basis of the first IFFT size and is transmitted in a second OFDM symbol, and the training field is generated on the basis of a second IFFT size and is transmitted in a third OFDM symbol.