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公开(公告)号：US11729715B2
公开(公告)日：2023-08-15
申请号：US17510247
申请日：2021-10-25
Inventor： Jae Seung Lee , Mln Ho Cheong , Hyoung Jin Kwon , Hee Jung Yu , Jae Woo Park , Sok Kyu Lee
CPC classification number: H04W52/0216 , H04L5/0055 , H04W74/002 , H04W84/12 , Y02D30/70
Abstract: A method and an apparatus for allocating a flexible transmission slot in a wireless local area network (LAN) system are disclosed. A flexible transmission slot allocation method of an access point (AP) in a wireless local area network (WLAN) system according to an exemplary embodiment includes transmitting a beacon including a traffic indication map (TIM) bit to a station, receiving a power save poll (PS-Poll) from the station in a slot implicitly allocated by the TIM bit, and transmitting an acknowledgement (ACK) including transmission slot allocation information on downlink data to the station.
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公开(公告)号：US11219058B2
公开(公告)日：2022-01-04
申请号：US16730648
申请日：2019-12-30
Inventor： Hyoung Jin Kwon , Jae Seung Lee , Min ho Cheong , Hee Jung Yu , Sok Kyu Lee
Abstract: The present invention relates to a terminal for requesting and acquiring information relating to channel access in a wireless LAN, and to an apparatus for providing information relating to channel access in a wireless LAN. The terminal for requesting and acquiring information relating to channel access in a wireless LAN according to one embodiment of the invention verifies the reception of a beacon during a preset beacon interval, if it is verified that the beacon has not been received, transmits a group and slot information request signal, and receives, from an access point, a group and slot information response signal as a response to the group and slot information request signal.
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公开(公告)号：US11219038B2
公开(公告)日：2022-01-04
申请号：US16869374
申请日：2020-05-07
Inventor： Hyoung Jin Kwon , Sok Kyu Lee , Jae Seung Lee , Min ho Cheong
IPC: H04W72/12 , H04L25/02 , H04L5/00 , H04B7/0452 , H04L27/26 , H04W84/12 , H04B7/0417
Abstract: Disclosed are a wireless communication method, and an access point and a station which perform the wireless communication method. A wireless communication method performed by an access point according to an embodiment may include performing channel sounding on a plurality of subchannels, identifying subchannels selected by stations among the subchannels, scheduling communications between the AP and the stations based on the selected subchannels, and transmitting a data frame to the stations through the subchannels based on a scheduling result.
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公开(公告)号：US11218953B2
公开(公告)日：2022-01-04
申请号：US16878495
申请日：2020-05-19
Inventor： Jae Seung Lee , Min Ho Cheong , Hyoung Jin Kwon , Hee Jung Yu , Sok Kyu Lee
IPC: H04W48/16 , H04W48/14 , H04W4/80 , H04L12/12 , H04L29/12 , H04L29/08 , H04W8/00 , H04W28/06 , H04W84/12 , H04W92/20
Abstract: A scanning method performed by a station (STA) in a wireless LAN system is provided. The method comprises: transmitting a probe request frame; and receiving a short probe response frame from an access point (AP) as a response to the probe request frame. The short probe response frame includes service set ID (SSID) information or compressed SSID information of the AP.
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公开(公告)号：US10812309B2
公开(公告)日：2020-10-20
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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Patent Agency Ranking
46.发明授权公开(公告)号：US10673754B2
公开(公告)日：2020-06-02
申请号：US16024318
申请日：2018-06-29
Inventor： Jee Yon Choi , Jae Woo Park , Hyoung Jin Kwon , Sok Kyu Lee
IPC: H04W4/00 , H04L12/741 , H04B7/0452 , H04B7/06 , H04W72/04 , 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：US10225792B2
公开(公告)日：2019-03-05
申请号：US15482477
申请日：2017-04-07
Inventor： Jae Seung Lee , Min Ho Cheong , Hyoung Jin Kwon , Hee Jung Yu , Sok Kyu Lee
IPC: H04W48/16 , H04W48/14 , H04W4/80 , H04L12/12 , H04L29/12 , H04L29/08 , H04W8/00 , H04W28/06 , H04W84/12 , H04W92/20
Abstract: A scanning method performed by a station (STA) in a wireless LAN system is provided. The method comprises: transmitting a probe request frame; and receiving a short probe response frame from an access point (AP) as a response to the probe request frame. The short probe response frame includes service set ID (SSID) information or compressed SSID information of the AP.
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公开(公告)号：US10038635B2
公开(公告)日：2018-07-31
申请号：US15247479
申请日：2016-08-25
Inventor： Jee Yon Choi , Jae Woo Park , Hyoung Jin Kwon , Sok Kyu Lee
IPC: H04W4/00 , H04L12/741 , H04B7/0452 , H04B7/06 , H04W72/04 , H04W88/08
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：US09986570B2
公开(公告)日：2018-05-29
申请号：US15043072
申请日：2016-02-12
Inventor： Hee Jung Yu , Sok Kyu Lee , Hee Soo Lee , Min Ho Cheong
CPC classification number: H04W72/048 , H04L41/0873 , H04W4/50 , H04W16/14 , H04W72/0453 , H04W88/10 , Y04S40/162
Abstract: Disclosed are an access point apparatus for configuring a next generation wireless communication and a method of operating the access point apparatus. The access point apparatus for configuring the next generation wireless communication may include a verification unit to verify a first available band associated with at least one of a first band and a second band; and a configuration unit to configure a backbone network with another access point apparatus positioned within a predetermined distance, through the verified first available band.
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公开(公告)号：US09907019B2
公开(公告)日：2018-02-27
申请号：US14165188
申请日：2014-01-27
Inventor： Hong Soog Kim , Je Hun Lee , Sok Kyu Lee
IPC: H04W52/02
CPC classification number: H04W52/0216 , Y02D70/142
Abstract: Provided is an access point (AP) for providing wireless communication to a plurality of stations (STAs), the AP including a type determiner to determine a type of each of the plurality of STAs, and an association identification (AID) allocator to allocate AIDs to the plurality of STAs, respectively, based on the determined type such that AIDs corresponding to an identical type among the allocated AIDs are clustered.
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