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    METHOD AND APPARATUS FOR UPLINK CHANNEL ACCESS IN A HIGH EFFICIENCY WIRELESS LAN
    3.
    发明申请
    METHOD AND APPARATUS FOR UPLINK CHANNEL ACCESS IN A HIGH EFFICIENCY WIRELESS LAN 审中-公开

    公开(公告)号：US20180124826A1

    公开(公告)日：2018-05-03

    申请号：US15851643

    申请日：2017-12-21

    Applicant: NEWRACOM, INC.

    Inventor： Yongho SEOK

    IPC: H04W74/04 ,  H04W84/12

    CPC classification number: H04W74/04 ,  H04W84/12

    Abstract: The present disclosure relates to a method and apparatus for uplink channel access in a High Efficiency WLAN (HEW). According to one aspect, a method for transmitting an uplink frame by a station (STA) to an access point (AP) in a wireless local area network may be provided. The method may include receiving from the AP a trigger frame for eliciting an uplink transmission from the STA, transmitting to the AP the uplink frame according to a type of the trigger frame, wherein when the uplink frame is transmitted in an uplink multiple user (MU) transmission, the uplink frame includes a padding added by the STA such that transmissions from a plurality of STAs including the STA in the uplink MU transmission end at a same time indicated by the trigger frame, and receiving from the AP a frame in response to the uplink MU transmission a predetermined time after an end of the uplink MU transmission.

    ACK POLICY FOR UPLINK AND DOWNLINK MU PPDU
    4.
    发明申请
    ACK POLICY FOR UPLINK AND DOWNLINK MU PPDU 有权
    上行和下行MU PPDU的ACK策略

    公开(公告)号：US20160360509A1

    公开(公告)日：2016-12-08

    申请号：US15170044

    申请日：2016-06-01

    Applicant: NEWRACOM, Inc.

    Inventor： Yongho SEOK

    IPC: H04W72/04 ,  H04W72/12 ,  H04L12/741

    CPC classification number: H04L45/74 ,  H04L1/16 ,  H04L1/1685 ,  H04W88/08

    Abstract: A method implemented by a station (STA) in a Wireless Local Area Network (WLAN) to acknowledge a downlink (DL) multi-user (MU) physical layer (PHY) Protocol Data Unit (PPDU) transmitted by an access point (AP). The method includes receiving the DL MU PPDU, decoding a frame from the DL MU PPDU, where the frame includes an indication requesting the STA to provide a trigger-based immediate acknowledgement, determining whether trigger information for an uplink (UL) MU transmission has been obtained from the DL MU PPDU, responsive to a determination that the trigger information has been obtained from the DL MU PPDU, transmitting a trigger-based immediate acknowledgement frame to the AP during the UL MU transmission, according to the trigger information, and responsive to a determination that the trigger information has not been obtained from the DL MU PPDU, refraining from transmitting the trigger-based immediate acknowledgement frame to the AP.

    Abstract translation: 一种由无线局域网（WLAN）中的站（STA）实现以确认由接入点（AP）发送的下行链路（DL）多用户（MU）物理层（PHY）协议数据单元（PPDU） 。 该方法包括接收DL MU PPDU，解码来自DL MU PPDU的帧，其中帧包括请求STA提供基于触发的立即确认的指示，确定是否已经有针对上行链路（UL）MU传输的触发信息 从DL MU PPDU获得的响应于从DL MU PPDU获得的触发信息的确定，根据触发信息在UL MU传输期间向AP发送基于触发的即时确认帧，并响应于 确定没有从DL MU PPDU获得触发信息，避免向AP发送基于触发的即时确认帧。

    METHOD AND APPARATUS FOR RESOURCE ALLOCATION FOR MULTIPLE USER TRANSMISSION IN A HIGH EFFICIENCY WIRELESS LAN
    5.
    发明申请
    METHOD AND APPARATUS FOR RESOURCE ALLOCATION FOR MULTIPLE USER TRANSMISSION IN A HIGH EFFICIENCY WIRELESS LAN 审中-公开
    高效无线局域网多用户传输资源分配的方法与装置

    公开(公告)号：US20160174200A1

    公开(公告)日：2016-06-16

    申请号：US14965701

    申请日：2015-12-10

    Applicant: NEWRACOM, Inc.

    Inventor： Yongho SEOK

    IPC: H04W72/04 ,  H04L5/00 ,  H04B7/04

    CPC classification number: H04W72/04 ,  H04B7/0452 ,  H04L5/0023 ,  H04L5/0037 ,  H04L5/0048 ,  H04L5/0094 ,  H04L27/2613 ,  H04W84/12

    Abstract: Methods and apparatus for resource allocation for multiple user transmission in a High Efficiency WLAN (HEW) are described. An embodiment is a method for transmitting a Physical layer Protocol Data Unit (PPDU) by an access point (AP) to a plurality of stations (STAs). The method may include transmitting, to the plurality of STAs, a preamble including a High-Efficiency SIGNAL (HE-SIG) field, an HE-Short Training Field (HE-STF) field and an HE-Long Training Field (HE-LTF) field in the PPDU on a transmission channel; and transmitting, on the transmission channel, a data field including a group addressed frame transmitted in a first subchannel among a plurality of subchannels into which the transmission channel is divided.

    Abstract translation: 描述了在高效率WLAN（HEW）中用于多用户传输的资源分配的方法和装置。 实施例是用于通过接入点（AP）向多个站（STA）发送物理层协议数据单元（PPDU）的方法。 该方法可以包括向多个STA发送包括高效信号（HE-SIG）字段，HE短训练场（HE-STF）字段和HE长训练字段（HE-LTF）的前导码 ）字段在传输信道上的PPDU中; 以及在所述传输信道上发送包括在所述传输信道被分割成的多个子信道中的在第一子信道中发送的组寻址帧的数据字段。

    BANDWIDTH DETERMINATION FOR MULTIPLE USER TRANSMISSION IN A HIGH EFFICIENCY WIRELESS LAN
    6.
    发明申请
    BANDWIDTH DETERMINATION FOR MULTIPLE USER TRANSMISSION IN A HIGH EFFICIENCY WIRELESS LAN 有权
    在高效无线局域网中进行多用户传输的带宽确定

    公开(公告)号：US20160113009A1

    公开(公告)日：2016-04-21

    申请号：US14884676

    申请日：2015-10-15

    Applicant: NEWRACOM, INC.

    Inventor： Yongho SEOK

    IPC: H04W72/04 ,  H04B7/04

    CPC classification number: H04B7/0452 ,  H04B7/0697 ,  H04W74/006 ,  H04W74/0816 ,  H04W84/12

    Abstract: The present disclosure relates to a method and apparatus for determining a bandwidth for Multi-User (MU) transmission in a High Efficiency WLAN (HEW). According to one aspect of the present disclosure, a method for transmitting by a Station (STA) to an Access point (AP) an uplink Physical layer Protocol Data Unit (PPDU) frame in a WLAN may be provided. The method may include receiving a trigger frame including bandwidth information, the trigger frame eliciting a transmission of the uplink PPDU frame including a data unit of the STA and at least one data unit of at least one other STA, and transmitting the data unit of the STA in the uplink PPDU frame, based on an available bandwidth of the STA and a bandwidth indicated by the bandwidth information included in the trigger frame.

    Abstract translation: 本公开涉及一种用于确定高效WLAN（HEW）中的多用户（MU）传输的带宽的方法和装置。 根据本公开的一个方面，可以提供一种用于通过站（STA）向接入点（AP）发送WLAN中的上行链路物理层协议数据单元（PPDU）帧的方法。 所述方法可以包括：接收包括带宽信息的触发帧，所述触发帧引起所述上行链路PPDU帧的传输，所述上行链路PPDU帧包括所述STA的数据单元和至少一个其他STA的至少一个数据单元，以及发送所述数据单元 STA在上行链路PPDU帧中，基于STA的可用带宽和由包括在触发帧中的带宽信息指示的带宽。

    PHYSICAL LAYER PROTOCOL DATA UNIT FORMAT APPLIED WITH SPACE TIME BLOCK CODING IN A HIGH EFFICIENCY WIRELESS LAN
    7.
    发明申请
    PHYSICAL LAYER PROTOCOL DATA UNIT FORMAT APPLIED WITH SPACE TIME BLOCK CODING IN A HIGH EFFICIENCY WIRELESS LAN 审中-公开

    公开(公告)号：US20160056930A1

    公开(公告)日：2016-02-25

    申请号：US14831614

    申请日：2015-08-20

    Applicant: NEWRACOM, INC.

    Inventor： Yongho SEOK

    IPC: H04L5/00 ,  H04L1/06

    CPC classification number: H04L5/0026 ,  H04B7/0452 ,  H04B7/0669 ,  H04L1/0643 ,  H04L5/0044 ,  H04L5/005 ,  H04L2001/0093 ,  H04W84/12

    Abstract: The present invention relates to a method and apparatus for transmitting and receiving signals using a Physical layer Protocol Data unit (PPDU) format to which Space-Time Block Coding (STBC) is applied in a Wireless Local Area Network (WLAN). According to one aspect of the present invention, a method for transmitting data to a plurality of Stations (STAs) on a transmission channel by an Access Point (AP) in a WLAN may be provided. The transmission channel may be divided into a plurality of subchannels allocated to the plurality of STAs. The method may include generating a High Efficiency-Long Training Field (HE-LTF) field having a length determined based on whether Space-Time Block Coding (STBC) is applied to the plurality of subchannels, and transmitting a Physical layer Protocol Data Unit (PPDU) frame including the HE-LTF field and a plurality of data units for the plurality of STAs to the plurality of STAs.

    DYNAMIC INTER-FRAME SPACE PROCESSING IN HIGH EFFICIENCY WIRELESS LAN
    8.
    发明申请
    DYNAMIC INTER-FRAME SPACE PROCESSING IN HIGH EFFICIENCY WIRELESS LAN 有权
    高效无线LAN中的动态帧间间隔处理

    公开(公告)号：US20160043855A1

    公开(公告)日：2016-02-11

    申请号：US14822601

    申请日：2015-08-10

    Applicant: NEWRACOM, INC.

    Inventor： Yongho SEOK

    IPC: H04L5/00 ,  H04W72/08 ,  H04L1/00 ,  H04W72/04

    CPC classification number: H04L5/0055 ,  H04L1/0001 ,  H04L1/0033 ,  H04L1/0036 ,  H04L1/0618 ,  H04L1/0625 ,  H04L1/1854 ,  H04L5/0007 ,  H04W74/0816 ,  H04W84/12

    Abstract: The present invention relates to a transmission and receiving method and apparatus using a dynamically determined Inter-Frame Space (IFS) in a Wireless Local Area Network (WLAN). According to one aspect of the present invention, a method for processing a received frame by a Station (STA) in a WLAN may include receiving a first frame including downlink data for a plurality of STAs, if the received first frame has no error, transmitting a second frame including an ACKnowledgement (ACK) of the STA simultaneously with ACKs of one or more other STAs, and if the received first frame has an error, performing carrier sensing using a variably determined IFS.

    Abstract translation: 本发明涉及在无线局域网（WLAN）中使用动态确定的帧间间隔（IFS）的发送和接收方法和装置。 根据本发明的一个方面，一种用于通过WLAN中的站（STA）处理接收到的帧的方法可以包括接收包括用于多个STA的下行链路数据的第一帧，如果所接收的第一帧没有错误，则发送 第二帧，包括STA的确认（ACK）与一个或多个其他STA的ACK，并且如果接收到的第一帧具有错误，则使用可变确定的IFS执行载波检测。

    RECEIVER ADDRESS FIELD FOR MULTI-USER TRANSMISSIONS IN WLAN SYSTEMS
    9.
    发明申请
    RECEIVER ADDRESS FIELD FOR MULTI-USER TRANSMISSIONS IN WLAN SYSTEMS 有权

    公开(公告)号：US20210083739A1

    公开(公告)日：2021-03-18

    申请号：US17108930

    申请日：2020-12-01

    Applicant: NEWRACOM, INC.

    Inventor： Yongho SEOK

    IPC: H04B7/06 ,  H04B7/0452 ,  H04W74/04

    Abstract: In wireless communications for multi-users, a station may receive a trigger frame including a transmitter address field. When the trigger frame is a multi-user request-to-send (MU-RTS) frame eliciting clear-to-send (CTS) frames from a plurality of stations, the station transmit a CTS frame including a first receiver address field in response to the trigger frame. The first receiver address field may be set equal to the transmitter address field. When the trigger frame elicits data frames from a plurality of stations, the station transmit a data frame including a second receiver address field in response to the trigger frame. The second receiver address field may be set to a destination address. Other methods, apparatus, and computer-readable media are also disclosed.

    METHOD AND APPARATUS FOR UPLINK MULTI-USER TRANSMISSION IN A HIGH EFFICIENCY WIRELESS LAN
    10.
    发明申请
    METHOD AND APPARATUS FOR UPLINK MULTI-USER TRANSMISSION IN A HIGH EFFICIENCY WIRELESS LAN 有权

    公开(公告)号：US20210028833A1

    公开(公告)日：2021-01-28

    申请号：US17061449

    申请日：2020-10-01

    Applicant: NEWRACOM, INC.

    Inventor： Yongho SEOK

    IPC: H04B7/0452 ,  H04W74/08 ,  H04L1/18

    Abstract: Methods and apparatus for transmission opportunity limits, backoff procedures, uplink random access related to uplink multi-user transmission in a High Efficiency WLAN (HEW) are described. An embodiment is a method for performing a frame exchange sequence including an uplink multi-user (UL MU) transmission by an access point (AP) in a wireless local area, the method including acquiring a transmission opportunity (TXOP) for initiating the frame exchange sequence; determining if a time required for the frame exchange sequence not including a control response frame exceeds a TXOP limit; and transmitting a trigger frame to one or more stations (STAs) when the time required for the frame exchange sequence not including the control response frame does not exceed the TXOP limit.

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