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公开(公告)号：US20200068578A1
公开(公告)日：2020-02-27
申请号：US16669074
申请日：2019-10-30
Inventor： Jae Seung LEE , Min Ho CHEONG , Hyoung Jin KWON , Sok Kyu LEE , Wun Cheol JEONG , Chang Sub SHIN , Cheol Sig PYO
Abstract: Provided are a method of allocating resources in a wireless local area network (WLAN) system and the WLAN system including an access point (AP) to allocate a resource for communication between a relay and a station associated with the relay, the relay to allocate a restricted access window (RAW) or a slot for communication with a station based on the allocated resource, and the station to communicate with the relay based on the allocated RAW or the allocated slot.
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公开(公告)号：US20200014427A1
公开(公告)日：2020-01-09
申请号：US16578100
申请日：2019-09-20
Inventor： Jae Seung LEE , Jin Hyung OH , Gwang Zeen KO , Hyun Duk KANG , Hyoung Jin KWON , Myung Sun SONG , Sok Kyu LEE , Min ho CHEONG , Jae Ick CHOI
IPC: H04B7/024 , H04B7/0452 , H04B7/06 , H04L1/00 , H04W48/00
Abstract: Disclosed is a communication method using interference alignment in a wireless local area network (WLAN). An access point (AP) according to one embodiment may receive first channel information between a station associated with the AP and the AP and second channel information between the station and a neighboring AP to perform interference alignment in cooperation with the AP from the station, and perform interference alignment based on the first channel information and the second channel information.
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公开(公告)号：US20190289625A1
公开(公告)日：2019-09-19
申请号：US16430222
申请日：2019-06-03
Inventor： Hyoung Jin KWON , Jae Seung LEE , Min ho CHEONG , Hee Jung YU , Sok Kyu LEE
Abstract: An apparatus and a method of controlling slot-based channel access by an access point (AP) to manage a network in a wireless local area network (WLAN) environment and a slot-based channel access terminal are disclosed. A slot-based channel access control apparatus of a WLAN system according to an exemplary embodiment determines one of each terminal and a group of terminals as a slot allocation target, allocates a slot defined in a beacon interval to the determined terminal or group to distinguish channel access time, and transmits a beacon including information on the allocated slot.
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公开(公告)号：US20190191455A1
公开(公告)日：2019-06-20
申请号：US16245179
申请日：2019-01-10
Inventor： Min ho CHEONG , Hyoung Jin KWON , Jae Seung LEE , Jae Woo PARK , Sok Kyu LEE
IPC: H04W74/04 , H04W48/16 , H04B7/0408 , H04W74/08 , H04B7/06
Abstract: A channel access method and apparatus are disclosed. The channel access method by an access point (AP) having a sector antenna in a wireless local access network (WLAN), may include transmitting a sector beacon with respect to any one sector among a plurality of sectors, transmitting and receiving data with at least one station in any one sector during a pre-scheduled sector interval, sequentially performing transmission of the sector beacon and transmission and reception of the data with respect to remaining sectors of the plurality of sectors excluding the any one sector, transmitting an omni beacon with respect to all of the plurality of sectors, and transmitting and receiving data with respect to at least one station of the plurality of sectors during a pre-scheduled Basic Service Set (BSS) interval.
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公开(公告)号：US20190021041A1
公开(公告)日：2019-01-17
申请号：US16124009
申请日：2018-09-06
Inventor： Jae Seung LEE , Min ho CHEONG , Hyoung Jin KWON , Jae Woo PARK , Sok Kyu LEE
Abstract: Provided is a sector discovery apparatus and method, the method including setting, by an AP in a WLAN system, an omni-beacon interval for transmitting an omnidirectional beacon and sector beacon intervals for transmitting a sector beacon with respect to one of a plurality of sectors which are spatially divided, transmitting the sector beacon to a current sector among the plurality of sectors, transmitting, to the current sector, a transmission frame indicating sectorized transmission or a transmission frame indicating omnidirectional transmission, in a sector interval between the sector beacon intervals, and receiving, from a terminal located in the current sector, a response frame indicating an association performed by receiving the transmission frame indicating the sectorized transmission
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Patent Agency Ranking
公开(公告)号：US20180145860A1
公开(公告)日：2018-05-24
申请号：US15874827
申请日：2018-01-18
Inventor： Hee Jung YU , Min Ho CHEONG , Jae Seung LEE , Hyoung Jin KWON , Sok Kyu LEE
Abstract: An apparatus and method for orthogonal frequency division multiplexing (OFDM) transmission in a wireless local area network (WLAN) system is disclosed, in which the apparatus for OFDM transmission in the WLAN system includes a signal repetition unit to repeat an encoded signal based on a block unit and output the encoded signal and a repeated signal, an interleaver to interleave the encoded signal and the repeated signal and output an interleaved signal, a modulator to modulate the interleaved signal and output modulated symbols, and a phase rotation unit to phase shift the modulated symbols.
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公开(公告)号：US20180084496A1
公开(公告)日：2018-03-22
申请号：US15823109
申请日：2017-11-27
Inventor： Jae Seung LEE , Hyoung Jin KWON , Min Ho CHEONG , Hee Jung YU , Sok Kyu LEE
IPC: H04W52/02
CPC classification number: H04W52/0216 , H04W74/006 , H04W84/12 , Y02D70/00 , Y02D70/142 , Y02D70/23
Abstract: An operating mode change method of a wireless local area network (WLAN) system according to an exemplary embodiment includes transmitting, by a station (STA) to an access point (AP), an operating mode change request frame comprising at least one of information on a change of a traffic indication map (TIM) mode, a request for a change of a power save parameter, and information on a change of a service type of the STA, receiving, from the AP, an operating mode change response frame comprising at least one of a TIM mode allowed by the AP, a reallocated association identification (AID), and information on a changed power save parameter, and performing at least one of the change of the TIM mode and the change of the power save parameter based on the information included in the operating mode change
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88.发明申请公开(公告)号：US20160366057A1
公开(公告)日：2016-12-15
申请号：US15247479
申请日：2016-08-25
Inventor： Jee Yon CHOI , Jae Woo PARK , Hyoung Jin KWON , Sok Kyu LEE
IPC: H04L12/741 , H04W72/04 , H04B7/06 , H04B7/04
CPC classification number: H04L45/74 , H04B7/0452 , H04B7/0617 , H04W72/0413 , H04W88/08
Abstract: Provided is a method of transmitting and receiving a frame for a multi-user multiple-input and multiple-output (MU-MIMO) communication in an access point (AP), the method including transmitting, to each of a plurality of stations (STAs), an uplink multi-user request (UL MU request) frame requesting transmission of a data frame, and receiving, from each of the plurality of STAs, the data frame during an identical period of time based on an identical reception intensity, wherein the UL MU request frame includes at least one of information on a transmission time of the data frame and information on a reception intensity of the data frame in the AP.
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公开(公告)号：US20150351125A1
公开(公告)日：2015-12-03
申请号：US14412656
申请日：2013-07-02
Inventor： Hyoung Jin KWON , Jae Seung LEE , Min Ho CHEONG , Hee Jung YU , Jae Woo PARK , Sok Kyu LEE
IPC: H04W74/00
CPC classification number: H04W74/002 , H04W74/04 , H04W84/12
Abstract: Provided is an apparatus and method for allocating a resource. According to an embodiment of the present invention, the method of allocating a resource in which an access point allocates a resource for communication between a first station and a second station based on a slot-based channel access scheme in a wireless local area network, the method including confirming a wakeup schedule set between the first station and the second station, and allocating the resource for communication between the first station and the second station through the slot-based channel access scheme reflecting the confirmed WS.
Abstract translation: 提供了一种用于分配资源的装置和方法。 根据本发明的实施例，基于无线局域网中的基于时隙的信道接入方案，分配其中接入点分配用于第一站和第二站之间的通信的资源的资源的方法， 方法，包括确定在第一站和第二站之间设置的唤醒调度，以及通过反映所确认的WS的基于时隙的信道接入方案，分配用于第一站和第二站之间的通信的资源。
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90.发明申请METHOD AND APPARATUS FOR AVOIDING COMMUNICATION INTERFERENCE IN WIRELESS COMMUNICATION SYSTEM 审中-公开在无线通信系统中避免通信干扰的方法和装置公开(公告)号：US20150282193A1
公开(公告)日：2015-10-01
申请号：US14671433
申请日：2015-03-27
Inventor： Hong Soog KIM , Joon Soo LEE , Je Hun LEE , Sok Kyu LEE
CPC classification number: H04W4/80 , H04W72/1215 , H04W84/12 , H04W88/06
Abstract: Provided is a communication control apparatus for controlling data transmission performed by a first communication module and a second communication module, each using a different communication scheme, the apparatus including a storing unit to store, in a data structure, channel information on a communication module for avoiding communication interference between the first communication module and the second communication module, and a processor to set, based on the channel information, a channel different from a channel used by the first communication module as a channel of the second communication module, wherein the first communication module and the second communication module are included in an identical device.
Abstract translation: 提供一种用于控制由第一通信模块和第二通信模块执行的数据传输的通信控制装置，每个使用不同的通信方案，该装置包括存储单元，用于在数据结构中存储关于通信模块的通信模块的信道信息， 避免第一通信模块和第二通信模块之间的通信干扰，以及处理器，用于基于信道信息将与第一通信模块使用的信道不同的信道设置为第二通信模块的信道，其中，第一通信模块 通信模块和第二通信模块被包括在相同的设备中。
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