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METHOD AND DEVICE FOR APPLYING OPTIMIZED PHASE ROTATION IN WLAN ENVIRONMENT INCLUDING WIRELESS DEVICES HAVING MUTUALLY DIFFERENT MAXIMUM TRANSMITTABLE RF BANDWIDTHS
METHOD AND DEVICE FOR APPLYING OPTIMIZED PHASE ROTATION IN WLAN ENVIRONMENT INCLUDING WIRELESS DEVICES HAVING MUTUALLY DIFFERENT MAXIMUM TRANSMITTABLE RF BANDWIDTHS
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机译:在具有互不相同的最大可透射射频带宽的无线设备的无线局域网环境中应用优化相位旋转的方法和装置
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摘要
Proposed are a method and device for transmitting an EHT PPDU in a wireless LAN system. Specifically, a transmission device generates an EHT PPDU and transmits the EHT PPDU to a receiving device through a 320 MHz RF band. A legacy preamble includes an L-STF and an L-LTF. The legacy preamble is generated by applying a first phase rotation value. The first phase rotation value is determined on the basis of a first technique and a second technique. The first technique acquires an optimal PAPR in the L-STF and the L-LTF. The second technique acquires an optimal PAPR on the basis of the maximum transmission bandwidth supported by the RF. The first phase rotation value is acquired on the basis of a second phase rotation value and a third phase rotation value. The second phase rotation value is obtained by repeating a phase rotation value defined for an 80 MHz band in an 802.11ax system. The third phase rotation value is defined in 80 MHz band units in a 320 MHz band.
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