-
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.
-
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.
-
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.
-
公开(公告)号：US10812175B2
公开(公告)日：2020-10-20
申请号：US16450943
申请日：2019-06-24
Inventor： Kap Seok Chang , Hyoung Jin Kwon , Sung Geun Jin , Yong Sun Kim , Seung Eun Hong , Woo Yong Lee , Hyun Kyu Chung
Abstract: Provided is an apparatus and method for wideband short-range wireless communication using a directional antenna in a millimeter wave band, and the method for wideband short-range wireless communication according to an embodiment may determine a first time interval and a second time interval for a cooperated data frame transfer based on a packet transmission time at each transmission from a source node to a destination node, transmit a frame to a relay node through an antenna pattern directed towards the relay node at a start point of the first time interval, and transmit the frame to the destination node through an antenna pattern directed towards the destination node after a predetermined period of time from a start point of the second time interval.
-
25.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.
-
Patent Agency Ranking
公开(公告)号：US10278188B2
公开(公告)日：2019-04-30
申请号：US15864932
申请日：2018-01-08
Inventor： Hyoung Jin Kwon , Jin Kyeong Kim , Yong Sun Kim , Kyeongpyo Kim , Seung Eun Hong , Woo Yong Lee
IPC: H04W72/08 , H04B7/14 , H04L12/28 , H04J3/14 , H04L12/801 , H04B1/707 , H04L12/26 , H04B7/155 , H04L25/20 , H04W72/04
Abstract: Provided is an apparatus and method for transmitting and receiving data using multiple paths in a wireless communication system using a distributed Media Access Control (MAC). More particularly, provided is an apparatus and method for transmitting and receiving data that may select a path with a better channel status from multiple paths that include a direct path using a Line of Sight (LOS) and a relay path passing through a relay apparatus, in a wireless communication system that may transmit data via the LOS using a distributed MAC and a directional antenna.
-
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.
-
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.
-
公开(公告)号：US09847799B2
公开(公告)日：2017-12-19
申请号：US15132034
申请日：2016-04-18
Inventor： Min Ho Cheong , Hyoung Jin Kwon , Sok Kyu Lee , Jae Seung Lee
CPC classification number: H04B1/0475 , H04W4/08 , H04W72/082
Abstract: Disclosed is a method of providing a communication service and an apparatus for performing the method, in which the method includes determining a first user group including a selected user terminal to which a communication service is provided by a communication device belonging to a cell coverage area, determining a second user group including at least one candidate user terminal selected from a plurality of candidate user terminals based on interference information affecting the selected user terminal, and determining the first user group and the second user group to be a final user group to which the communication service is to be provided by the communication device.
-
公开(公告)号：US09838093B2
公开(公告)日：2017-12-05
申请号：US14453419
申请日：2014-08-06
Inventor： Jee Yon Choi , Hyoung Jin Kwon , Je Hun Lee , Sok Kyu Lee
IPC: H04W4/00 , H04B7/0452 , H04B7/0404 , H04L1/16 , H04W74/06 , H04W72/04
CPC classification number: H04B7/0452 , H04B7/0404 , H04L1/1614 , H04W72/04 , H04W74/06
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 determining at least one transmission station (STA), transmitting, to the transmission STA, an uplink multi-user poll (UL MU poll) frame requesting a data frame, receiving the data frame from the at least one transmission STA simultaneously, and transmitting an acknowledgement (ACK) frame to the at least one transmission STA in response to the receiving.
-
-
-
-
-
-
-
-
-
Search Results
102
records
(took 0.032 seconds)
