公开(公告)号：US10356760B2

公开(公告)日：2019-07-16

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: H04W84/12 ,  H04W72/04 ,  H04W88/08 ,  H04W48/16 ,  H04L5/00 ,  H04W74/08 ,  H04L27/26

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：US10200175B2

公开(公告)日：2019-02-05

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: H04W4/00 ,  H04L5/00 ,  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：US10165596B2

公开(公告)日：2018-12-25

申请号：US15117392

申请日：2015-01-02

Applicant: LG ELECTRONICS INC.

Inventor： Jinsoo Choi ,  Jinyoung Chun ,  Wookbong Lee ,  Dongguk Lim ,  Hangyu Cho

IPC: H04W74/08 ,  H04W52/58 ,  H04L12/26 ,  H04W40/00 ,  H04W52/54 ,  H04W84/12

Abstract: Disclosed is a method and an apparatus for transmitting a frame in a wireless local area network. A method for transmitting a frame in a wireless local area network may comprise the steps of: an STA, operating on the basis of TPC, transmitting a TPC configuration request frame to an AP, the TPC configuration request frame containing information for a TPC STA communication resource requested by the STA; the STA receiving, from the AP, a TPC configuration response frame as a response to the TPC configuration request frame, the TPC configuration response frame containing information for allocating requested TPC STA communication resource; and the STA transmitting the frame to the AP by means of the requested TPC STA communication resource.

公开(公告)号：US10085263B2

公开(公告)日：2018-09-25

申请号：US15524037

申请日：2015-11-24

Applicant: LG ELECTRONICS INC.

Inventor： Jinsoo Choi ,  Hangyu Cho ,  Wookbong Lee

IPC: H04J3/24 ,  H04W72/04 ,  H04W84/12

CPC classification number: H04W72/0453 ,  H04L5/00 ,  H04L5/0053 ,  H04W84/12

Abstract: Disclosed are a method and a device for allocating resource units using leftover tones in a wireless LAN. The method for allocating resource units using leftover tones in a wireless LAN may comprise the steps of: an AP generating PPDUs to be transmitted to a plurality of STAs; and the AP transmitting the PPDUs to the plurality of STAs on all frequency bands, wherein the PPDUs are transmitted from each of a plurality of resource unit sets respectively allocated to each of the plurality of STAs, wherein each of the plurality of resource unit sets includes a first resource unit set and a second resource unit set, wherein the first resource unit set includes at least one resource unit, the second resource unit set includes one tone design resource unit, and wherein the tone design resource unit may include at least one other resource unit and at least one additional tone unit.

公开(公告)号：US10034288B2

公开(公告)日：2018-07-24

申请号：US15123415

申请日：2015-02-16

Applicant: LG ELECTRONICS INC.

Inventor： Jinyoung Chun ,  Wookbong Lee ,  Kiseon Ryu ,  Jinsoo Choi ,  Dongguk Lim ,  Hangyu Cho

IPC: H04W72/04 ,  H04W52/14 ,  H04W52/24 ,  H04W52/36 ,  H04W52/58 ,  H04W74/04 ,  H04W84/12

Abstract: A method and an apparatus for transmitting a frame in a wireless LAN are disclosed. The method for transmitting a frame in a wireless LAN comprises: by an STA, receiving an uplink transmission instruction frame from an AP; and by the STA, transmitting, to the AP, a first uplink frame as a response to the uplink transmission instruction frame, wherein the uplink transmission instruction frame instructs transmission of the first uplink frame and a second uplink frame on overlapping time resources, the first uplink frame is transmitted at a transmission timing determined on the basis of UIFS, and the UIFS may be a fixed value.

公开(公告)号：US09935802B2

公开(公告)日：2018-04-03

申请号：US14778988

申请日：2014-04-18

Applicant: LG ELECTRONICS INC.

Inventor： Jinsoo Choi ,  Wookbong Lee ,  Hangyu Cho ,  Dongguk Lim ,  Jinyoung Chun

IPC: H04K1/10 ,  H04L27/28 ,  H04L27/20 ,  H04L27/26 ,  H04L5/00 ,  H04B7/0452 ,  H04W84/12 ,  H04L27/18

CPC classification number: H04L27/2042 ,  H04B7/0452 ,  H04L1/1896 ,  H04L5/0007 ,  H04L5/0023 ,  H04L5/0053 ,  H04L5/0092 ,  H04L27/18 ,  H04L27/205 ,  H04L27/2602 ,  H04W84/12

Abstract: Disclosed is a method for transmitting a signal field in a wireless LAN along with an apparatus therefore. The method for transmitting a signal field in a wireless LAN includes the steps of: generating a signal field by a first STA (station); and transmitting the signal field to a second STA by the first STA in a first OFDM (orthogonal frequency division multiplexing) symbol, a second OFDM symbol and a third OFDM symbol, wherein at least one of a second binary phase shift keying used in the second OFDM symbol and a third binary phase shift keying used in the third OFDM symbol can be rotated in reference to the first binary phase shift keying used in the first OFDM symbol.

公开(公告)号：US09924541B2

公开(公告)日：2018-03-20

申请号：US15125074

申请日：2015-01-21

Applicant: LG ELECTRONICS INC.

Inventor： Jinsoo Choi ,  Jinyoung Chun ,  Wookbong Lee ,  Dongguk Lim ,  Hangyu Cho

IPC: H04W74/08 ,  H04W88/08 ,  H04W84/12 ,  H04H20/12 ,  H04L27/26 ,  H04L12/26 ,  H04W52/30 ,  H04L29/08

CPC classification number: H04W74/0816 ,  H04H20/12 ,  H04L27/2628 ,  H04L43/16 ,  H04L69/323 ,  H04W52/30 ,  H04W84/12

Abstract: Disclosed are a method and an apparatus for transmitting a frame in a wireless LAN. The method for transmitting a frame in a wireless LAN may comprise: a step in which an AP transmits an RTS frame for protecting a medium to an STA; a step in which the AP receives a CTS frame from the STA in response to the RTS frame; and a step in which the AP transmits a data frame to the STA in response to the CTS frame, wherein the RTS frame is included in a first PPDU which is generated on the basis of a first IFFT size, the data frame is included in a second PPDU which is generated on the basis of a second IFFT size, the second IFFT size is greater than the first IFFT size, and the data frame can be transmitted on the basis of a transmission-range-determining parameter which is determined on the basis of the difference between the second IFFT size and the first IFFT size.

公开(公告)号：US09830619B2

公开(公告)日：2017-11-28

申请号：US14417056

申请日：2013-11-05

Applicant: LG ELECTRONICS INC.

Inventor： Wookbong Lee ,  Byungjoo Lee ,  Dongcheol Kim ,  Hangyu Cho ,  Jinho Kim

IPC: H04W48/16 ,  G06Q30/02 ,  H04L29/08 ,  H04W92/18 ,  H04W76/02 ,  H04W84/12

CPC classification number: G06Q30/0267 ,  G06Q30/0277 ,  H04L67/16 ,  H04W48/16 ,  H04W76/14 ,  H04W84/12 ,  H04W92/18

Abstract: The present invention relates to a wireless communication system, and a method for searching for or advertising a service and a device for the same. A method for searching for a service, according to one embodiment of the present invention, can comprise: transmitting a probe request frame to search for a device supporting a predetermined service desired by a first wireless device; receiving a probe response frame from a second wireless device supporting the predetermined service; transmitting, by the first wireless device, a service search request frame including a service name of the predetermined service to the second wireless device; and receiving a service search response frame from the second wireless device, wherein the service search response frame can include service status information indicating whether the predetermined service is available on the second wireless device.

公开(公告)号：US09699819B2

公开(公告)日：2017-07-04

申请号：US14766593

申请日：2014-02-07

Applicant: LG ELECTRONICS INC.

Inventor： Wookbong Lee ,  Byungjoo Lee ,  Jinho Kim ,  Dongcheol Kim ,  Hangyu Cho

IPC: H04W4/00 ,  H04W76/02 ,  H04W8/00 ,  H04W72/04 ,  H04W48/14 ,  H04W4/20 ,  H04W80/10 ,  H04W84/12

CPC classification number: H04W76/14 ,  H04W4/21 ,  H04W8/005 ,  H04W48/14 ,  H04W72/0406 ,  H04W76/15 ,  H04W80/10 ,  H04W84/12

Abstract: One embodiment of the present invention relates to a method by which a first device for supporting a WiFi direct service establishes a session, the method including: causing an application service platform (ASP) layer to receive an Advertise Service method from a service layer; causing the ASP layer to receive a REQUEST_SESSION message from a second device; causing the ASP layer to receive a SetSessionReady method from the service layer; and causing the ASP layer to transmit an ADDED_SESSION message to the second device in response to the REQUEST_SESSION message, wherein each of the AdvertiseService method, the REQUEST_SESSION message, and the ADDED_SESSION message includes port information, and the port information included in the AdvertiseService method is the same as the port information included in the ADDED_SESSION message when the first device gives, to the second device, the port information related to the session.

公开(公告)号：US09674794B2

公开(公告)日：2017-06-06

申请号：US15146101

申请日：2016-05-04

Applicant: LG ELECTRONICS INC.

Inventor： Inuk Jung ,  Jinsam Kwak ,  Kiseon Ryu ,  Wookbong Lee

IPC: H04W36/00 ,  H04B7/00 ,  H04W4/00 ,  H04B7/185 ,  H04W52/28 ,  H04W52/38 ,  H04W52/14 ,  H04W52/40 ,  H04W56/00 ,  H04L5/00 ,  H04W72/04

CPC classification number: H04W52/283 ,  H04L5/0007 ,  H04W36/0072 ,  H04W52/146 ,  H04W52/38 ,  H04W52/40 ,  H04W56/00 ,  H04W56/001 ,  H04W72/048

Abstract: The present invention relates to a broadband wireless access system, and more particularly, to a method for efficiently determining power for ranging performed by a terminal on a target base station or a target region during handover or during changing of a region. A method for controlling uplink power for network reentry of a terminal from a first region to a second region in a broadband wireless access system, according to an embodiment of the present invention, comprises the steps of: receiving a media access control (MAC) management message including a power control parameter that is to be applied to the second region from the first region; and performing ranging to the second region by applying the power control parameter.