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341.发明申请公开(公告)号：US20210226747A1
公开(公告)日：2021-07-22
申请号：US17222320
申请日：2021-04-05
Applicant: LG ELECTRONICS INC.
Inventor： Jeongki KIM , Jinyoung CHUN , Hangyu CHO , Jinsoo CHOI , Kiseon RYU
Abstract: A wireless communication system and, more particularly, to a method for performing efficient signaling for a reserved sub-band in a wireless LAN system, and a method and an apparatus for signal transmission using the same. To this end, an STA provides resource allocation information for transmitting data to a plurality of STAs using an orthogonal frequency divisional multiple access (OFDMA) or multiple user MIMO (MU-MIMO) method; transmits the resource allocation information to the plurality of STAs; and transmits data to the plurality of STAs according to the resource allocation information. The entire frequency band may include a sub-band which is not used for the data transmission, and it is preferable that the resource allocation information includes a resource allocation bitmap having a form common to the plurality of STAs and indication information which informs a sub-band, from among the entire frequency band, which is not used for the data transmission.
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342.发明申请公开(公告)号：US20210211927A1
公开(公告)日：2021-07-08
申请号：US16078005
申请日：2017-02-17
Applicant: LG ELECTRONICS INC.
Inventor： Hyunhee PARK , Kiseon RYU , Suhwook KIM , Jeongki KIM , Hangyu CHO
Abstract: A method for performing uplink transmission in a wireless LAN system according to an embodiment of the present specification may comprise the steps of: receiving, by an AP, a buffer state report frame from a reception STA coupled to the AP, wherein the buffer state report frame is a frame in which a first frame and a second frame are aggregated, the first frame including a first traffic identifier indicating a transmission priority of a first traffic buffered in the reception STA and first queue size information indicating the amount of the buffered first traffic, and the second frame including a second traffic identifier indicating a transmission priority of a second traffic buffered in the reception STA and second queue size information indicating the amount of the buffered second traffic; and transmitting, by the AP, a trigger frame for a plurality of user STAs participating in UL MU transmission on the basis of a buffer state report frame.
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343.发明申请公开(公告)号：US20210153123A1
公开(公告)日：2021-05-20
申请号：US17159865
申请日：2021-01-27
Applicant: LG Electronics Inc.
Inventor： Eunsung PARK , Jinsoo CHOI , Hangyu CHO
Abstract: Disclosed are a method and an apparatus for generating an STF signal usable in a wireless LAN system. The STF signal is included in a field used to improve AGC estimation of a MIMO transmission. A portion of the STF signal is used to transmit an uplink, and can be used for uplink MU PPDUs transmitted from a plurality of STAs. The STF signal that is disclosed, for example, is used for a 40 MHz band or an 80 MHz band, is desirably usable for the 40 MHz band, and can be generated based on a sequence in which a predetermined M sequence is repeated. The predetermined M sequence can be a binary sequence of which the length is 15 bits.
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344.发明申请公开(公告)号：US20200329495A1
公开(公告)日：2020-10-15
申请号：US16304669
申请日：2017-05-17
Applicant: LG ELECTRONICS INC.
Inventor： Kiseon RYU , Suhwook KIM , Jeongki KIM , Hyunhee PARK , Hangyu CHO , Jinsoo CHOI
Abstract: A method for transmitting a frame in a wireless LAN system according to an embodiment of the present specification comprises a step of transmitting, by a wireless terminal, a trigger frame including identification information for a plurality of user STAs and resource information indicating resource units separately allocated to the plurality of user STAs, wherein, when the trigger frame is an MU RTS frame, the resource information is configured: on the basis of first to fourth index values in a fourth index range in order to indicate a primary 20 MHz channel through which a CTS frame, a response to the MU RTS frame, is to be transmitted; on the basis of fifth and sixth index values in a fifth index range in order to indicate a primary 40 MHz channel through which the CTS frame is to be transmitted; and on the basis of a seventh index value in a sixth index range in order to indicate a primary 80 MHz channel through which the CTS frame is to be transmitted.
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345.发明申请公开(公告)号：US20200280402A1
公开(公告)日：2020-09-03
申请号：US16876309
申请日：2020-05-18
Applicant: LG ELECTRONICS INC.
Inventor： Sungjin PARK , Jinmin KIM , Kyuntae JO , Hangyu CHO
Abstract: The present specification proposes a method for a station to transmit and receive a signal in a wireless LAN (WLAN) system and an apparatus therefor. More specifically, when the station transmits and receives a signal via a plurality of channels, the present invention proposes a method of performing beamforming training on the plurality of channels, a method of transmitting and receiving a signal based on the beamforming training and an apparatus therefor.
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Patent Agency Ranking
公开(公告)号：US20200220587A1
公开(公告)日：2020-07-09
申请号：US16822890
申请日：2020-03-18
Applicant: LG ELECTRONICS INC.
Inventor： Sungjin PARK , Jinmin KIM , Hangyu CHO , Kyungtae JO
Abstract: According to one embodiment of the present specification, provided is a method by which a station (STA) transmits, through a plurality of channels, signals in a wireless LAN (WLAN) system. The method for transmitting signals comprises the steps of: allowing an STA to transmit a packet for an ISS; allowing the STA to receive a packet for an RSS; allowing the STA to transmit a packet for a SSW feedback; and allowing the STA to receive a packet for an SSW ACK, wherein the packet for the SSW feedback and the packet for the SSW ACK can include a field for indicating whether the packet for the ISS and the packet for the RSS are transmitted into the short SSW packet.
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347.发明申请公开(公告)号：US20200092914A1
公开(公告)日：2020-03-19
申请号：US16691275
申请日：2019-11-21
Applicant: LG ELECTRONICS INC.
Inventor： Hyeyoung CHOI , Kiseon RYU , Jeongki KIM , Hangyu CHO , Suhwook KIM
Abstract: One embodiment of the present invention relates to a method by which a station (STA) performs uplink transmission in a wireless communication system, the method for performing uplink transmission comprising the steps of: receiving a trigger frame from an AP; and performing uplink transmission as a response to the trigger frame, wherein, when a network allocation vector (NAV) of the STA receiving the trigger frame is idle and clear channel assessment (CCA) result is idle, the uplink transmission is performed.
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公开(公告)号：US20200092811A1
公开(公告)日：2020-03-19
申请号：US16467869
申请日：2017-08-14
Applicant: LG ELECTRONICS INC.
Inventor： Eunsung PARK , Dongguk LIM , Hangyu CHO , Jinsoo CHOI
IPC: H04W52/02 , H04L27/04 , H04W84/12 , H04L25/493 , H04L27/26
Abstract: A method and a device for transmitting a wakeup packet in a wireless LAN system are suggested. Particularly, a transmission device configures a wakeup packet and transmits same to a reception device. The wakeup packet includes a sequence including first information and second information, by applying an OOK method. The first information and the second formation are configured with an on-signal and an off-signal. The on-signal is transferred via a first symbol generated by applying a first sequence to K number of successive subcarriers in the 20 MHz band and performing 64-point IFFT on the subcarriers. The offsignal is transferred via a second symbol generated by applying a second sequence to the K number of successive subcarriers in the 20 MHz band and performing 64-point IFNT on the subcarriers. Of the K number of subcarriers to which the first sequence is applied, a coefficient for m number of subcarriers as a unit is set to 1 or −1 for the subcarriers, and a coefficient for the remaining subcarriers is set to 0. The first information and the second information are transmitted via a third symbol configured with the first symbol and the second symbol, respectively.
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349.发明申请公开(公告)号：US20200084716A1
公开(公告)日：2020-03-12
申请号：US16686675
申请日：2019-11-18
Applicant: LG ELECTRONICS INC.
Inventor： Hyeyoung CHOI , Kiseon RYU , Jeongki KIM , Hangyu CHO , Suhwook KIM
Abstract: A method in a wireless local area network (WLAN) includes receiving, from an access point (AP) by a station (STA), a beacon frame comprising a first field related to a transmission time of a trigger frame, wherein the trigger frame includes frequency resource information to be used for an uplink multi-user (UL MU) transmission, wherein the frequency resource information to be included in the trigger frame includes at least one of first type resource information used for random access and second type resource information used for scheduled access, wherein the random access is performed by the STA based on orthogonal frequency division multiple access (OFDMA), wherein the beacon frame further comprises a second field related to whether or not the trigger frame includes the first type resource information; receiving, from the AP by the STA, the trigger frame based on the first field; determining, by the STA, UL resource to be used for the UL MU transmission based on the first type resource information and the second type resource information; and performing, by the STA, the UL MU transmission based on the UL resource.
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350.发明申请公开(公告)号：US20200044798A1
公开(公告)日：2020-02-06
申请号：US16596345
申请日：2019-10-08
Applicant: LG ELECTRONICS INC.
Inventor： Eunsung PARK , Wookbong LEE , Hangyu CHO
IPC: H04L5/00
Abstract: Disclosed are a method for multi-user transmission and reception in a wireless communication system and a device for same. More particularly, a method for performing multi-user (MU) transmission by a station (STA) device in a wireless communication system comprises the steps of: generating a high efficiency-long training field (HE-LTF) sequence in a frequency domain in accordance with an MU transmission bandwidth; and transmitting a physical protocol data unit (PPDU) which comprises one or more symbols to which the HE-LTF sequence is mapped, wherein the HE-LTF sequence can be generated by multiplying one row of a P matrix to a length unit of a row of the P matrix in a predetermined sequence.
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