A method for receiving, by a first station (STA), a signal in a wireless LAN (WLAN) system, the method comprising:
- receiving an Enhanced Directional Multi Gigabit (EDMG) Physical Protocol Data Unit (PPDU) including an EDMG Short Training Field (STF) field in an Orthogonal Frequency Division Multiplexing (OFDM) mode through space-time streams (STSs) within 6.48 GHz from a second STA,
- wherein the EDMG STF field is generated based on a number of channels and a number of STSs,
- wherein an EDMG STF sequence for each of the STSs is used for the EDMG STF field,
- wherein the EDMG STF sequence for each of the STSs is configured to have a format of {A, 0, 0, 0, B},
- wherein each of A and B has a length of 595 bits,
- wherein when a STS index of the STSs is 1, A is defined as {0, 0, 0, 0, −j, 0, 0, 0, +j, 0, 0, 0, −j, 0, 0, 0, −j, 0, 0, 0, +1, 0, 0, 0, +1, 0, 0, 0, −1, 0, 0, 0, +1, 0, 0, 0, +j, 0, 0, 0, +1, 0, 0, 0, +1, 0, 0, 0,+1, 0, 0, 0,−1, 0, 0, 0,−1, 0, 0, 0, −j, 0, 0, 0, −1, 0, 0, 0,+1, 0, 0, 0,+1, 0, 0, 0,−1, 0, 0, 0, +1, 0, 0, 0, +j, 0, 0, 0, +1, 0, 0, 0, −1, 0, 0, 0, −1, 0, 0, 0, +1, 0, 0, 0, +1, 0, 0, 0, +j, 0, 0, 0, +1, 0, 0, 0, +1, 0, 0, 0, +1, 0, 0, 0, −1, 0, 0, 0, +1, 0, 0, 0, +j, 0, 0, 0, +1, 0, 0, 0, +1, 0, 0, 0, +1, 0, 0, 0, −1, 0, 0, 0, −1, 0, 0, 0, −j, 0, 0, 0, −1, 0, 0, 0, −1, 0, 0, 0, −1, 0, 0, 0, +1, 0, 0, 0, −1, 0, 0, 0, −j, 0, 0, 0, −1, 0, 0, 0,+1, 0, 0, 0,+1, 0, 0, 0,−1, 0, 0, 0,−1, 0, 0, 0, −j, 0, 0, 0, −1, 0, 0, 0,+1, 0, 0, 0, +1, 0, 0, 0, −1, 0, 0, 0, +1, 0, 0, 0, +j, 0, 0, 0, +1, 0, 0, 0, +1, 0, 0, 0, +1, 0, 0, 0, −1, 0, 0, 0, −1, 0, 0, 0, −j, 0, 0, 0, −1, 0, 0, 0, +1, 0, 0, 0, +1, 0, 0, 0, −1, 0, 0, 0, +1, 0, 0, 0, +j, 0, 0, 0, +1, 0, 0, 0, −1, 0, 0, 0, −1, 0, 0, 0, +1, 0, 0, 0, +1, 0, 0, 0, +j, 0, 0, 0, +1, 0, 0, 0, +1, 0, 0, 0, +1, 0, 0, 0, −1, 0, 0, 0, +1, 0, 0, 0, +j, 0, 0, 0, +1, 0, 0, 0, +1, 0, 0, 0, +1, 0, 0, 0, −1, 0, 0, 0, −1, 0, 0, 0, −j, 0, 0, 0, −1, 0, 0, 0, −1, 0, 0, 0, −1, 0, 0, 0, +1, 0, 0, 0, −1, 0, 0, 0, −j, 0, 0, 0, −1, 0, 0, 0, +1, 0, 0, 0, +1, 0, 0, 0, −1, 0, 0, 0, −1, 0, 0, 0, −j, 0, 0, 0, −1, 0, 0, 0, −1, 0, 0, 0, −1, 0, 0, 0, +1, 0, 0, 0, −1, 0, 0, 0, −j, 0, 0, 0, −1, 0, 0, 0, −1, 0, 0, 0, −1, 0, 0, 0, +1, 0, 0, 0, +1, 0, 0, 0, +j, 0, 0, 0, +1, 0, 0, 0, −1, 0, 0, 0, −1, 0, 0, 0, +1, 0, 0, 0, −1, 0, 0, 0, −j, 0, 0, 0, −1, 0, 0, 0, +1, 0, 0, 0, +1, 0, 0, 0, −1, 0, 0, 0,−1, 0, 0, 0, −j, 0, 0, 0, −1, 0, 0, 0,−1, 0, 0, 0,−1, 0, 0, 0,+1, 0, 0, 0,−1, 0, 0, 0, −j, 0, 0, 0, −1, 0, 0, 0, −1, 0, 0, 0, −1, 0, 0, 0, +1, 0, 0, 0, +1, 0, 0, 0, +j, 0, 0, 0, +1, 0, 0, 0, +1, 0, 0, 0, +1, 0, 0, 0, −1, 0, 0, 0, +1, 0, 0, 0, +j, 0, 0, 0, +1, 0, 0, 0, −1, 0, 0, 0, −1, 0, 0, 0, +1, 0, 0, 0, +1, 0, 0, 0, +j, 0, 0, 0, +1, 0, 0}, and
- when the STS index is of the STSs is 1, B is defined as {0, 0, +1, 0, 0, 0, +1, 0, 0, 0, −1, 0, 0, 0, +1, 0, 0, 0, +j, 0, 0, 0, +1, 0, 0, 0, +1, 0, 0, 0, +1, 0, 0, 0, −1, 0, 0, 0, −1, 0, 0, 0, −j, 0, 0, 0, −1, 0, 0, 0, +1, 0, 0, 0, +1, 0, 0, 0, −1, 0, 0, 0, +1, 0, 0, 0, +j, 0, 0, 0, +1, 0, 0, 0, −1, 0, 0, 0, −1, 0, 0, 0, +1, 0, 0, 0, +1, 0, 0, 0, +j, 0, 0, 0, +1, 0, 0, 0, −1, 0, 0, 0, −1, 0, 0, 0, +1, 0, 0, 0, −1, 0, 0, 0, −j, 0, 0, 0, −1, 0, 0, 0, −1, 0, 0, 0, −1, 0, 0, 0, +1, 0, 0, 0, +1, 0, 0, 0, +j, 0, 0, 0, +1, 0, 0, 0, +1, 0, 0, 0,+1, 0, 0, 0,−1, 0, 0, 0,+1, 0, 0, 0,+j, 0, 0, 0,+1, 0, 0, 0,−1, 0, 0, 0,−1, 0, 0, 0,+1, 0, 0, 0, +1, 0, 0, 0, +j, 0, 0, 0, +1, 0, 0, 0, +j, 0, 0, 0, +j, 0, 0, 0, −j, 0, 0, 0, +j, 0, 0, 0, −1, 0, 0, 0, +j, 0, 0, 0, +j, 0, 0, 0, +j, 0, 0, 0, −j, 0, 0, 0, −j, 0, 0, 0, +1, 0, 0, 0, −j, 0, 0, 0, +j, 0, 0, 0, +j, 0, 0, 0, −j, 0, 0, 0, +j, 0, 0, 0, −1, 0, 0, 0, +j, 0, 0, 0, −j, 0, 0, 0, −j, 0, 0, 0, +j, 0, 0, 0, +j, 0, 0, 0, −1, 0, 0, 0, +j, 0, 0, 0, −j, 0, 0, 0, −j, 0, 0, 0, +j, 0, 0, 0, −j, 0, 0, 0, +1, 0, 0, 0, −j, 0, 0, 0, −j, 0, 0, 0, −j, 0, 0, 0, +j, 0, 0, 0, +j, 0, 0, 0, −1, 0, 0, 0, +j, 0, 0, 0, +j, 0, 0, 0, +j, 0, 0, 0, −j, 0, 0, 0, +j, 0, 0, 0, −1, 0, 0, 0, +j, 0, 0, 0, −j, 0, 0, 0, −j, 0, 0, 0, +j, 0, 0, 0, +j, 0, 0, 0, −1, 0, 0, 0, +j, 0, 0, 0, +1, 0, 0, 0, +1, 0, 0, 0, −1, 0, 0, 0, +1, 0, 0, 0, +j, 0, 0, 0, +1, 0, 0, 0, +1, 0, 0, 0, +1, 0, 0, 0, −1, 0, 0, 0, −1, 0, 0, 0, −j, 0, 0, 0, −1, 0, 0, 0,+1, 0, 0, 0,+1, 0, 0, 0,−1, 0, 0, 0,+1, 0, 0, 0,+j, 0, 0, 0,+1, 0, 0, 0,−1, 0, 0, 0, −1, 0, 0, 0, +1, 0, 0, 0, +1, 0, 0, 0, +j, 0, 0, 0, +1, 0, 0, 0, −1, 0, 0, 0, −1, 0, 0, 0, +1, 0, 0, 0, −1, 0, 0, 0, −j, 0, 0, 0, −1, 0, 0, 0, −1, 0, 0, 0, −1, 0, 0, 0, +1, 0, 0, 0, +1, 0, 0, 0, +j, 0, 0, 0, +1, 0, 0, 0, +1, 0, 0, 0, +1, 0, 0, 0, −1, 0, 0, 0, +1, 0, 0, 0, +j, 0, 0, 0, +1, 0, 0, 0, −1, 0, 0, 0, −1, 0, 0, 0, +1, 0, 0, 0, +1, 0, 0, 0, +j, 0, 0, 0, +1, 0, 0, 0, −j, 0, 0, 0, −j, 0, 0, 0, −j, 0, 0, 0, +j, 0, 0, 0, 0).