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发明授权
CN106789761B 无线局域网数据传输方法和装置 有权

无线局域网数据传输方法和装置
摘要：
一种HE‑LTF传输方法，总空时流数NSTS确定HE‑LTF域包含的OFDM符号数NHELTF；由传输带宽和HE‑LTF模式确定HE‑LTF频域序列；所述HE‑LTF频域序列包括但不限于实施方式中提到的1x模式下的HE‑LTF模式序列；根据所述OFDM符号数NHELTF以及所述确定的HELTF频域序列发送时域信号。上述方案具有较低的PAPR值。
摘要（英）：

An HE-LTF transmission method is provided, including: determining, based on a total number N STS of space-time streams, a number N HELTF of OFDM symbols included in an HE-LTF field; determining a HE-LTF sequence in frequency domain according to a transmission bandwidth and a mode of the HE-LTF field, where the HE-LTF sequence in frequency domain includes but is not limited to a mode of the HE-LTF field sequence that is in a 1x mode and that is mentioned in implementations; and sending a time-domain signal according to the number N HELTF of OFDM symbols and the determined HE-LTF sequence in frequency domain. In the foregoing solution, a PAPR value is relatively low.

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