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公开(公告)号：US20170310522A1
公开(公告)日：2017-10-26
申请号：US15523582
申请日：2015-11-02
Applicant: LG ELECTRONICS INC.
Inventor： Kilbom LEE , Wookbong LEE , Eunsung PARK , HanGyu CHO , Jiwon KANG
CPC classification number: H04L27/2657 , H04L27/22 , H04W84/12
Abstract: Disclosed is a CFO estimation method comprising: generating a first function defined by reception signals in two successive OFDM symbols for a particular subcarrier; generating a second function defined on the basis of a sign of a real part of the first function; repeatedly performing a process of generating the first function and the second function for an entire subcarrier set; and determining a phase of a third function obtained by adding results of the repeated performance to be a residual CFO.
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公开(公告)号：US20170303309A1
公开(公告)日：2017-10-19
申请号：US15509149
申请日：2014-12-31
Applicant: LG ELECTRONICS INC.
Inventor： Kiseon RYU , Wookbong LEE , Suhwook KIM , Jeongki KIM , Giwon PARK , Hangyu CHO
CPC classification number: H04W74/006 , H04W74/004 , H04W74/0816
Abstract: Provided is a method and apparatus for protecting a TXOP in a wireless communication system. The method for protecting a TXOP may comprise the steps of: receiving a trigger frame containing information on a first interval for an exchange of multiple clear-to-send (CTS) frames from a transmission station (STA) by a reception STA; and transmitting CTS frames to the transmission STA in the first interval by the reception STA.
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13.发明申请公开(公告)号：US20170303242A1
公开(公告)日：2017-10-19
申请号：US15517110
申请日：2015-10-12
Applicant: LG ELECTRONICS INC.
Inventor： Jinsoo CHOI , Hangyu CHO , Wookbong LEE
CPC classification number: H04W72/04 , H04L5/0048 , H04W84/12
Abstract: Disclosed are a method and an apparatus for allocating wireless resource according to a resource allocation setting in a WLAN. The method for allocating wireless resources according to the resource allocation setting, in a WLAN, may comprise the steps of: an AP transmitting, to a plurality of STAs, resource allocation setting information; the AP allocating, to each of the plurality of STAs, each of the plurality of wireless resources in first resource units or second resource units, based on the resource allocation setting information; the AP transmitting to each of the plurality of STAs, through each of the plurality of wireless resources, each of a plurality of items of downlink data; and the AP receiving, from each of the plurality of STAs, channel feedback information for each of the plurality of wireless resources.
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14.发明申请公开(公告)号：US20170295561A1
公开(公告)日：2017-10-12
申请号：US15516007
申请日：2016-01-29
Applicant: LG ELECTRONICS INC.
Inventor： Jeongki KIM , Wookbong LEE , Kiseon RYU , Jinsoo CHOI , Hangyu CHO
IPC: H04W72/04 , H04B7/0413 , H04L5/00
CPC classification number: H04W72/04 , H04B7/0413 , H04L5/0007 , H04L5/001 , H04L5/0037 , H04L5/0044 , H04L5/0091 , H04L5/0094 , H04L5/0098 , H04L27/2602 , H04W84/12 , H04W88/08
Abstract: The present document relates to a method for allocating resources for multi-user or multi-station (STA) data transmission in a wireless LAN system, and an apparatus therefor. To this end, an AP generates a frame including a signaling field and a data field, wherein the signaling field includes a first signaling field (SIG A field) comprising common control information for a plurality of STAs and a second signaling field (SIG B field) comprising user specific control information for each of the plurality of STAs, the second signaling field also comprising data transmission resource allocation information for each of the plurality of STAs. The AP transmits the thus generated frame to the plurality of STAs. If the frame is transmitted with a bandwidth of 40 MHz or greater, the second signaling field transmits independent control information in two adjacent 20 MHz bands, and the second signaling field, transmitted through a specific 20 MHz band, comprises data transmission resource allocation information within the specific 20 MHz band.
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公开(公告)号：US20170230217A1
公开(公告)日：2017-08-10
申请号：US15504639
申请日：2015-04-07
Applicant: LG ELECTRONICS INC.
Inventor： Dongguk LIM , Jinyoung CHUN , Jinsoo CHOI , Wookbong LEE , Hangyu CHO , Eunsung PARK
IPC: H04L27/26
CPC classification number: H04L27/2608 , H04L27/2602 , H04L27/2613 , H04W84/12
Abstract: Disclosed is a method for transmitting a preamble in a wireless communication system, particularly, a wireless LAN system, and a station device for performing the same. To this end, a station for transmitting a preamble configures a wireless frame including a first type terminal frame portion, which has first length in a time domain, and a second type terminal frame portion, which has a second length corresponding to a length that is an integer times the first length. The first type terminal frame portion includes a first type terminal preamble including a first type terminal short training field (STF) and a first type terminal long training field (LTF), and the second type terminal frame portion includes a second type terminal preamble including a second type terminal SFT and a second type terminal LTF. Here, the station configures the second type terminal preamble by allocating sequence components at an interval of an integer number of tones in a frequency domain and transmits the configured wireless frame to another station.
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Patent Agency Ranking
16.发明申请公开(公告)号：US20170223722A1
公开(公告)日：2017-08-03
申请号：US15517507
申请日：2015-10-06
Applicant: LG ELECTRONICS INC.
Inventor： Jinsoo CHOI , Hangyu CHO , Wookbong LEE
CPC classification number: H04W72/12 , H04L1/0071 , H04L5/00 , H04L5/0048 , H04L27/26 , H04W84/12 , H04W88/08
Abstract: 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.
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公开(公告)号：US20170223692A1
公开(公告)日：2017-08-03
申请号：US15508877
申请日：2015-04-07
Applicant: LG ELECTRONICS INC.
Inventor： Dongguk LIM , Wookbong LEE , Hangyu CHO , Jinyoung CHUN , Jinsoo CHOI , Eunsung PARK
CPC classification number: H04W72/048 , H04L1/00 , H04L1/0001 , H04L1/0003 , H04L5/0046 , H04L27/26 , H04W84/12
Abstract: The present invention relates to a method for transmitting a frame in a wireless communication system, in particular, a high density wireless LAN system, and a station apparatus for performing the same. To this end, a station for transmitting a frame configures a radio frame for a second type station, including a frame part for a first type station and a frame part for the second type station, wherein the frame part for the second type station includes a first signaling field (SIG A) for the second type station and a second signaling field (SIG B) for the second type station. The SIG A for the second type station includes modulation and coding scheme (MCS) information applied to the SIG B for the second type station, and the MCS level applied to the SIG B for the second type station supports an MCS having level than the lowest MCS level defined for the first type station.
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公开(公告)号：US20170214506A1
公开(公告)日：2017-07-27
申请号：US15326026
申请日：2015-08-19
Applicant: LG ELECTRONICS INC.
Inventor： Kilbom LEE , Jiwon KANG , Jinsoo CHOI , Wookbong LEE , Dongguk LIM , Hangyu CHO , Eunsung PARK
CPC classification number: H04L5/0048 , H04L27/2613 , H04W72/042 , H04W84/12
Abstract: One embodiment of the present invention provides a transmitter and a pilot sequence transmission method comprising: generating an asymmetric sequence set comprising a plurality of pilot sequences which have been circular shifted by irregular intervals on a time axis; mapping, to the respective pilot sequences included in the asymmetric sequence set, additional information that is shown by using shared bits and non-shared bits; and selecting any one pilot sequence selected from the asymmetric sequence set and transmitting same to a receiver.
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19.发明申请公开(公告)号：US20170149540A1
公开(公告)日：2017-05-25
申请号：US15323670
申请日：2015-08-19
Applicant: LG ELECTRONICS INC.
Inventor： Kilbom LEE , Jiwon KANG , Wookbong LEE , Jinsoo CHOI , Dongguk LIM , Hangyu CHO , Eunsung PARK
CPC classification number: H04L5/005 , H04L5/0026 , H04L5/0048 , H04L27/0008 , H04L27/18 , H04L27/26 , H04L27/2613
Abstract: Disclosed is a method for transmitting a pilot sequence, the method comprising: generating a sequence set on the basis of a baseline sequence having non-CAZAC properties; and selecting any one pilot sequence form among sequence sets corresponding to different additional information, and transmitting same to a receiver.
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20.发明申请公开(公告)号：US20170055203A1
公开(公告)日：2017-02-23
申请号：US15307733
申请日：2015-04-29
Applicant: LG ELECTRONICS INC.
Inventor： Byungjoo LEE , Wookbong LEE
CPC classification number: H04W48/16 , H04L69/161 , H04W4/50 , H04W84/12 , H04W92/18
Abstract: An embodiment of the present invention relates to a service discovery method in which a first device supporting Wi-Fi direct service (WFDS) discovers a service, the method comprising the steps in which: a first device receives a discoverable notification from a second device; and the first device determines whether or not the service which becomes known via the discoverable notification is the service which the first device seeks, wherein the discoverable notification includes information on services supported by the second device which sends the discoverable notification.
Abstract translation: 本发明的实施例涉及一种服务发现方法，其中支持Wi-Fi直接业务（WFDS）的第一设备发现业务，所述方法包括以下步骤：第一设备从第二设备接收可发现的通知; 并且第一设备确定通过可发现通知变为已知的服务是否是第一设备寻求的服务，其中可发现通知包括关于发送可发现通知的第二设备支持的服务的信息。
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