20240048423. METHOD AND APPARATUS FOR APPLYING OPTIMIZED PHASE ROTATION BY CONSIDERING PREAMBLE PUNCTURING IN 802.11AX AND VARIOUS RF CAPABILITIES simplified abstract (LG ELECTRONICS INC.)

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METHOD AND APPARATUS FOR APPLYING OPTIMIZED PHASE ROTATION BY CONSIDERING PREAMBLE PUNCTURING IN 802.11AX AND VARIOUS RF CAPABILITIES

Organization Name

LG ELECTRONICS INC.

Inventor(s)

Eunsung Park of Seoul (KR)

Dongguk Lim of Seoul (KR)

Jinsoo Choi of Seoul (KR)

METHOD AND APPARATUS FOR APPLYING OPTIMIZED PHASE ROTATION BY CONSIDERING PREAMBLE PUNCTURING IN 802.11AX AND VARIOUS RF CAPABILITIES - A simplified explanation of the abstract

This abstract first appeared for US patent application 20240048423 titled 'METHOD AND APPARATUS FOR APPLYING OPTIMIZED PHASE ROTATION BY CONSIDERING PREAMBLE PUNCTURING IN 802.11AX AND VARIOUS RF CAPABILITIES

Simplified Explanation

The abstract describes a method and apparatus for transmitting an EHT PPDU (Enhanced High Throughput Physical Protocol Data Unit) to a wireless LAN system. The transmission device generates the EHT PPDU and transmits it to a reception device through a 320 MHz band with a punctured partial band based on an RF. The legacy preamble, consisting of an L-STF (Legacy Short Training Field) and an L-LTF (Legacy Long Training Field), is generated by applying a first phase rotation value. This first phase rotation value is determined based on a first method and a second method. The first method is for acquiring an optimum PAPR (Peak-to-Average Power Ratio) in the L-LTF, while the second method is for acquiring an optimum PAPR based on the maximum transmission bandwidth supported by the RF. The first phase rotation value is acquired based on a second phase rotation value and a third rotation value. The second phase rotation value is a phase rotation value that repeats a phase rotation value defined with respect to an 80 MHz band in an 802.11ax system. The third phase rotation value is a phase rotation value defined by 80 MHz band units in the 320 MHz band.

  • The invention is a method and apparatus for transmitting an EHT PPDU to a wireless LAN system.
  • The transmission device generates the EHT PPDU and transmits it to a reception device through a 320 MHz band with a punctured partial band.
  • The legacy preamble, consisting of an L-STF and an L-LTF, is generated using a first phase rotation value.
  • The first phase rotation value is determined based on a first method and a second method.
  • The first method is for acquiring an optimum PAPR in the L-LTF.
  • The second method is for acquiring an optimum PAPR based on the maximum transmission bandwidth supported by the RF.
  • The first phase rotation value is acquired based on a second phase rotation value and a third rotation value.
  • The second phase rotation value is a phase rotation value defined with respect to an 80 MHz band in an 802.11ax system.
  • The third phase rotation value is a phase rotation value defined by 80 MHz band units in the 320 MHz band.

Potential Applications

  • Wireless LAN systems
  • High-speed data transmission

Problems Solved

  • Efficient transmission of EHT PPDU
  • Optimum PAPR acquisition

Benefits

  • Improved data transmission efficiency
  • Enhanced peak-to-average power ratio optimization


Original Abstract Submitted

a method and an apparatus for transmitting an eht ppdu to a wireless lan system are presented. particularly, a transmission device generates an eht ppdu, and transmits the eht ppdu to a reception device through a 320 mhz band of which a partial band is punctured on the basis of an rf. 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 method and a second method. the first method is for acquiring an optimum papr in the l-ltf. the second method is for acquiring an optimum papr on the basis of a 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 rotation value. the second phase rotation value is a phase rotation value which repeats a phase rotation value that is defined with respect to an 80 mhz band in an 802.11ax system. the third phase rotation value is a phase rotation value that is defined by 80 mhz band units in the 320 mhz band.

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