Method and device for generating training signal in wireless LAN system

    公开(公告)号:US11411788B2

    公开(公告)日:2022-08-09

    申请号:US15733876

    申请日:2019-05-31

    Abstract: This specification is related to a long training field (LTF) symbol of a WLAN. The LTF symbol may be generated based on a first LTF generation sequence used for an odd-numbered stream and a second LTF generation sequence used for an even-numbered stream. An even-numbered element of the first LTF generation sequence may be set to zero (0), and an odd-numbered element of the second LTF generation sequence may be set to zero (0). A plurality of LTF symbols for first and third streams may be generated by applying a P mapping matrix to the first LTF generation sequence. A plurality of LTF symbols for a second stream may be generated by applying the P matrix to the second LTF generation sequence.

    METHOD AND APPARATUS FOR PERFORMING HARQ OPERATION

    公开(公告)号:US20220140948A1

    公开(公告)日:2022-05-05

    申请号:US17431979

    申请日:2020-03-09

    Abstract: A receiving STA can receive a first PPDU including a first data block and a second data block in a wireless local area network system according to various embodiments. The first data block and the second data block can be configured by a first index. Afterward, the receiving STA can transmit a retransmission request signal for the first data block. The receiving STA can receive the first data block again. Then, the receiving STA can combine the first and second data blocks configured by the first index.

    METHOD AND DEVICE FOR PERFORMING HARQ OPERATION

    公开(公告)号:US20220131641A1

    公开(公告)日:2022-04-28

    申请号:US17430267

    申请日:2019-12-16

    Abstract: In a wireless local area network (LAN) system, a transmitting STA can encode at least one codeword on the basis of a plurality of data blocks. The transmitting STA can encode a second codeword on the basis of a first data block and a second data block that is continuous with the first data block, in response to a first data block transmission request signal from among the plurality of data blocks. The transmitting STA can transmit the encoded second codeword to a receiving STA.

    Wireless frame transmission method on basis of signaling field sorting of each band and device for same

    公开(公告)号:US11096153B2

    公开(公告)日:2021-08-17

    申请号:US16422408

    申请日:2019-05-24

    Abstract: In a wireless frame transmission method by an access point (AP) in a wireless LAN system, according to an embodiment of the present invention, a wireless frame, comprising a signaling field and a data field, is generated in the AP, wherein the signaling field comprises a first signaling field (SIG A field), having first common control information about a plurality of STAs, and a second signaling field (SIG B field) having individual control information for each of the plurality of STAs. The second signaling field comprises a common field, having second common control information about the plurality of STAs, and an individual field following the common field and having individual control information for each of the STAs. An individual field (a first individual field) of the second signaling field being transmitted from a particular 20 MHz band (a first band) can comprise: resource allocation information about one or more first band STAs to which resources are allocated in the first band; and resource allocation information about one or more second band STAs to which resources are allocated from another 20 MHz band (a second band) other than the first band. Therefore, the length of the first individual field can be set to be the same as the length of the individual field (second individual field) of the second signaling field being transmitted from the second band.

    Method for transmitting and receiving signal in wireless LAN system and apparatus for said method

    公开(公告)号:US11082272B2

    公开(公告)日:2021-08-03

    申请号:US16606725

    申请日:2017-12-14

    Abstract: Disclosed are a method for a station for transmitting and receiving a signal in a wireless local area network (WLAN) system, and an apparatus for the method. More specifically, disclosed are a method for transmitting and receiving a signal and an apparatus for the method, the method, when a station transmits and receives a signal by means of a channel in which three channels have been bonded, generating an enhanced directional multi gigabit (EDMG) short training field (STF) for an orthogonal frequency division multiplexing (OFDM) packet, and transmitting and receiving a signal comprising the generated EDMG STF field.

    Signal transmission/reception method in wireless LAN system, and device therefor

    公开(公告)号:US10951298B2

    公开(公告)日:2021-03-16

    申请号:US16461351

    申请日:2019-02-08

    Abstract: Proposed are a method and a device for transmitting a signal in a wireless local area network (WLAN) system. Specifically, a first STA transmits at least one BRP frame in order to perform MIMO beamforming training with a second STA. The at least one BRP frame is transmitted during a TDD-based SP. The first STA transmits a signal to the second STA based on MIMO beamforming training. The SP includes a first TDD slot and a second TDD slot. If only a first BRP frame, which is part of the at least one BRP frame, can be transmitted in the first TDD slot, a second BRP frame, which is the remaining of the at least one BRP frame, is transmitted in the second TDD. The second TDD slot is a transmission TDD slot allocated first after the first TDD slot.

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