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公开(公告)号：US20230091075A1
公开(公告)日：2023-03-23
申请号：US18051802
申请日：2022-11-01
Inventor： Yu Ro LEE , Jae Woo PARK , Jae Seung LEE , Jee Yon CHOI , II Gyu KIM , Seung Chan BANG
IPC: H04B7/0452 , H04W72/04 , H04L5/00 , H04B7/06
Abstract: A wireless communication method and apparatus in a wireless local area network (WLAN) system are disclosed. A wireless communication method according to one embodiment may include generating a high-efficiency Wi-Fi (HEW) frame including at least one of an HEW-SIG-A field and an HEW-SIG-B field which include channel information for communications according to an Orthogonal Frequency-Division Multiple Access (OFDMA) mode, and transmitting the generated HEW frame to a reception apparatus.
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公开(公告)号：US20230086667A1
公开(公告)日：2023-03-23
申请号：US17993556
申请日：2022-11-23
Inventor： Jae Seung LEE , Moon Sik LEE , Jae Woo PARK , Jee Yon CHOI , Young Hoon KIM , Ju Ho PARK , Hoo Sung LEE , Young Il JEON , Chan Bok JEONG , Hyung Sik JU , Ik Jae CHUN , Il Gyu KIM
Abstract: Disclosed are a method and an apparatus for communication using fronthaul interfaces. An operation method of a first communication node may include transmitting a section type 8 message #1 including numerology-related information #1; transmitting a section type 9 message #1 including channel information of each of one or more second communication nodes indicated by the section type 8 message #1 and the numerology related information #1, transmitting a section type 8 message #2 including numerology-related information #2 other than the numerology-related information #1; and transmitting a section type 9 message #2 including channel information of each of one or more third communication nodes indicated by the section type 8 message #2 and the numerology-related information #2.
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公开(公告)号：US20220232655A1
公开(公告)日：2022-07-21
申请号：US17573281
申请日：2022-01-11
Inventor： Hoon Dong NOH , Moon Sik LEE , Jae Woo PARK , Jae Seung LEE
Abstract: A DC management method, performed by a first communication node constituting an IAB network in a communication system, may comprise: receiving, from a first IAB node that is a lower node of the first communication node, a first capability report including information of DC-related capability of the first IAB node; based on the first capability report, identifying whether the first IAB node supports a multi-TRP function; based on the first capability report, identifying whether the first IAB node supports an intra-carrier DC; and based on the identified whether the first IAB node supports the multi-TRP function and whether the first IAB node supports the intra-carrier DC, configuring a DC for the first IAB node together with a second communication node that is an upper node of the first IAB node.
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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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Patent Agency Ranking
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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公开(公告)号：US20180331796A1
公开(公告)日：2018-11-15
申请号：US16042838
申请日：2018-07-23
Inventor： Yu Ro LEE , Jae Woo PARK , Jae Seung LEE , Jee Yon CHOI , Il Gyu KIM , Seung Chan BANG
IPC: H04L5/00 , H04L27/26 , H04B17/336 , H04B7/06 , H04B7/0452 , H04B7/024
CPC classification number: H04L5/005 , H04B7/024 , H04B7/0452 , H04B7/0617 , H04B17/336 , H04L5/0023 , H04L5/0032 , H04L5/0073 , H04L27/2613
Abstract: Disclosed are a frame transmission method and a communication device performing the same. The communication device may transmit a null data packet (NDP)-announcement (NDP-A) including information on a plurality of communication devices participating in interference alignment and transmit an NDP including a common signal field and a common training field commonly applied to the plurality of communication devices.
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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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