FIELD: information technology.
SUBSTANCE: invention relates to the field of communication and, in particular, to a method and device for generating a service message and is intended for reducing PAPR of a wireless local network by providing a HE-LTF transmission method that includes steps on which: determine, based on the total number of NSTS space-time flows, number, NHELTF, OFDM symbols contained in a HE-LTF field; determine a HE-LTF sequence in a frequency domain in accordance with a transmission bandwidth and mode of the HE-LTF field, however, the HE-LTF sequence in the frequency domain includes, but is not limited to, HE-LTF mode of the sequence field, which is 1x of the mode, and is mentioned in implementation options; and transmit a time domain signal in accordance with the number, NHELTF, OFDM symbols and a specific HE-LTF sequence in the frequency domain.
EFFECT: reduced PAPR of the wireless local network.
20 cl, 15 dwg, 15 tbl
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