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    Method for transmitting uplink frame in wireless local area network and wireless device using the same
    151.
    发明授权
    Method for transmitting uplink frame in wireless local area network and wireless device using the same 有权

    公开(公告)号：US10735151B2

    公开(公告)日：2020-08-04

    申请号：US16374565

    申请日：2019-04-03

    Applicant: LG ELECTRONICS INC.

    Inventor： Suhwook Kim ,  Kiseon Ryu ,  Jeongki Kim ,  Hangyu Cho ,  Hyunhee Park

    IPC: H04W84/12 ,  H04L5/00 ,  H04W74/00 ,  H04W74/02

    Abstract: According to an embodiment of the present specification, a method for transmitting an uplink frame in a wireless local area network (WLAN) system and performed by a user station (STA) includes: receiving from an access point (AP) a trigger frame comprising association identifier information for orthogonal frequency division multiple access (OFDMA)-based random access and allocation information indicating a resource unit, wherein the association identifier information indicates any one of a first value irrelevant to whether being associated with the AP, a second value for a first STA group associated with the AP, and a third value for a second STA group un-associated with the AP; and performing a countdown operation according to the association identifier information based on a backoff value which is set in a backoff counter of the user STA in order to transmit the uplink frame.

    Transmitting trigger frame in wireless local area network and wireless terminal using the same
    152.
    发明授权
    Transmitting trigger frame in wireless local area network and wireless terminal using the same 有权

    公开(公告)号：US10708958B2

    公开(公告)日：2020-07-07

    申请号：US15952085

    申请日：2018-05-15

    Applicant: LG ELECTRONICS INC.

    Inventor： Kiseon Ryu ,  Suhwook Kim ,  Jeongki Kim ,  Jinsoo Choi

    IPC: H04W74/08 ,  H04W72/04 ,  H04W76/11 ,  H04W74/00 ,  H04W8/20 ,  H04W84/12

    Abstract: A method for transmitting a trigger frame performed by a first wireless terminal may include, configuring a trigger frame of a basic type including a plurality of user information fields for an OFDMA-based random access backoff procedure by a plurality of second wireless terminals, wherein each of the plurality of user information fields includes resource allocation information for a RA resource unit allocated for the OFDMA-based random access backoff procedure, identifier information indicating that the RA resource unit is allocated for the OFDMA-based random access backoff procedure, and TID aggregation limit information indicating the maximum number of TIDs allowed for an A-MPDU generated by a second wireless terminal that has completed the OFDMA random access backoff procedure based on the trigger frame, and wherein the TID aggregation limit information is set to 0 or 1; and transmitting the trigger frame to the plurality of second wireless terminals.

    Method for transmitting trigger frame in wireless LAN system and terminal using same
    154.
    发明授权
    Method for transmitting trigger frame in wireless LAN system and terminal using same 有权

    公开(公告)号：US10575314B2

    公开(公告)日：2020-02-25

    申请号：US15769323

    申请日：2016-10-20

    Applicant: LG ELECTRONICS INC.

    Inventor： Hyunhee Park ,  Kiseon Ryu ,  Jinyoung Chun ,  Jeongki Kim ,  Hangyu Cho ,  Suhwook Kim

    IPC: H04W72/08 ,  H04W74/08 ,  H04W84/12

    Abstract: According to one embodiment of the present specification, a method for transmitting a trigger frame for requesting uplink data to be received through an wireless resource individually configured in an overlapped time duration from a plurality of terminals in a wireless LAN system, comprises: a step for receiving, by an access point, a first buffer state frame from a first terminal, wherein the first buffer state frame includes first QoS information of first uplink data; a step for receiving, by the access point, a second buffer state frame from a second terminal, wherein the second buffer state frame includes second QoS information of second uplink data; a step for determining, by the access point, a first primary AC for a trigger frame on the basis of the first QoS information and the second QoS information, wherein the access point includes a plurality of AP buffers for downlink data to be transmitted to a plurality of terminals; and a step for transmitting, by the access point, the trigger frame through the downlink buffer corresponding to the determined first primary AC among the plurality of AP buffers.

    Method of supporting for uplink multi-user transmission in wireless area network system
    156.
    发明授权
    Method of supporting for uplink multi-user transmission in wireless area network system 有权

    公开(公告)号：US10455557B2

    公开(公告)日：2019-10-22

    申请号：US15424674

    申请日：2017-02-03

    Applicant: LG ELECTRONICS INC.

    Inventor： Hyunhee Park ,  Kiseon Ryu ,  Jeongki Kim ,  Hangyu Cho ,  Suhwook Kim

    IPC: H04W72/04 ,  H04B7/0452 ,  H04L1/00 ,  H04W84/12 ,  H04B7/06 ,  H04W74/00

    Abstract: A method for a WLAN system of the present invention comprises receiving, by an AP, a request frame requesting change of operating mode of a receiving STA associated with the AP from the receiving STA, wherein the request frame includes a control indicator indicating whether the receiving STA participates in UL MU MIMO transmission, and transmitting a trigger frame for a plurality of user STAs participating in the UL MU MIMO transmission based on the request frame, wherein the trigger frame includes identification information for the plurality of user STAs, resource allocation information for allocation of uplink frequency resources allocated individually for the plurality of user STAs, time information indicating a time interval during which the UL MU MIMO transmission is performed, and coding information indicating a channel coding scheme allocated for each of the plurality of user STAs.

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