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Distributed-Tone Resource Unit Transmission Schemes With Frequency-Domain Duplication in 6GHz LPI System

2022
Online Patent
Zugriff:
View record in USPTO Patent Applications (Volltext)

Various schemes pertaining to distributed-tone resource unit (dRU) transmission schemes with frequency-domain duplication in a 6 GHz low-power indoor (LPI) system are described. An apparatus distributes a plurality of subcarriers of a resource unit (RU) to generate a dRU with frequency-domain duplication on a plurality of frequency subblocks. The apparatus then communicates with a communication entity on the plurality of frequency subblocks.

Titel:
Distributed-Tone Resource Unit Transmission Schemes With Frequency-Domain Duplication in 6GHz LPI System
Link:
Veröffentlichung: 2022
Medientyp: Patent
Sonstiges:
  • Nachgewiesen in: USPTO Patent Applications
  • Sprachen: English
  • Document Number: 20220329373
  • Publication Date: October 13, 2022
  • Appl. No: 17/718097
  • Application Filed: April 11, 2022
  • Claim: 1. A method, comprising: distributing a plurality of subcarriers of a resource unit (RU) to generate a distributed-tone RU (dRU) with frequency-domain duplication on a plurality of frequency subblocks; and communicating with a communication entity on the plurality of frequency subblocks.
  • Claim: 2. The method of claim 1, wherein the distributing of the plurality of subcarriers of the RU to generate the dRU comprises generating the dRU on a first frequency subblock of the plurality of frequency subblocks and duplicating the dRU as a duplicated dRU (dRU-DUP) on a second frequency subblock of the plurality of frequency subblocks.
  • Claim: 3. The method of claim 2, wherein the distributing of the plurality of subcarriers of the RU to generate the dRU further comprises applying a mask sequence on at least the dRU-DUP on the second frequency subblock.
  • Claim: 4. The method of claim 3, wherein the applying of the mask sequence comprises: multiplying extremely-high-throughput long training field (EHT-LTF) and data tones in a first half of the dRU on the first frequency subblock with +1; multiplying EHT-LTF and data tones in a second half of the dRU on the first frequency subblock with +1; multiplying EHT-LTF and data tones in a first half of the dRU-DUP on the second frequency subblock with −1; and multiplying EHT-LTF and data tones in a second half of the dRU-DUP on the second frequency subblock with +1.
  • Claim: 5. The method of claim 2, wherein each of the plurality of frequency subblocks comprises a 20 MHz, 40 MHz or 80 MHz frequency subblock.
  • Claim: 6. The method of claim 1, wherein the distributing of the plurality of subcarriers of the RU to generate the dRU comprises generating the dRU on a first frequency subblock of the plurality of frequency subblocks and duplicating the dRU as a duplicated dRU (dRU-DUP) on second, third and fourth frequency subblocks of the plurality of frequency subblocks.
  • Claim: 7. The method of claim 6, wherein the distributing of the plurality of subcarriers of the RU to generate the dRU further comprises applying a mask sequence on at least the dRU-DUP on the second, third and fourth frequency subblocks.
  • Claim: 8. The method of claim 7, wherein the applying of the mask sequence comprises: multiplying extremely-high-throughput long training field (EHT-LTF) and data tones in a first half of the dRU on the first frequency subblock with +1; multiplying EHT-LTF and data tones in a second half of the dRU on the first frequency subblock with −1; multiplying EHT-LTF and data tones in a first half of the dRU-DUP on the second frequency subblock with −1; multiplying EHT-LTF and data tones in a second half of the dRU-DUP on the second frequency subblock with +1; multiplying EHT-LTF and data tones in a first half of the dRU-DUP on the third frequency subblock with +1; multiplying EHT-LTF and data tones in a second half of the dRU-DUP on the third frequency subblock with +1; multiplying EHT-LTF and data tones in a first half of the dRU-DUP on the fourth frequency subblock with +1; and multiplying EHT-LTF and data tones in a second half of the dRU-DUP on the fourth frequency subblock with +1.
  • Claim: 9. The method of claim 7, wherein the applying of the mask sequence comprises: multiplying extremely-high-throughput long training field (EHT-LTF) and data tones in a first half of the dRU on the first frequency subblock with +1; multiplying EHT-LTF and data tones in a second half of the dRU on the first frequency subblock with +1; multiplying EHT-LTF and data tones in a first half of the dRU-DUP on the second frequency subblock with +1; multiplying EHT-LTF and data tones in a second half of the dRU-DUP on the second frequency subblock with −1; multiplying EHT-LTF and data tones in a first half of the dRU-DUP on the third frequency subblock with −1; multiplying EHT-LTF and data tones in a second half of the dRU-DUP on the third frequency subblock with −1; multiplying EHT-LTF and data tones in a first half of the dRU-DUP on the fourth frequency subblock with +1; and multiplying EHT-LTF and data tones in a second half of the dRU-DUP on the fourth frequency subblock with −1.
  • Claim: 10. The method of claim 6, wherein each of the plurality of frequency subblocks comprises a 20 MHz, 40 MHz or 80 MHz frequency subblock.
  • Claim: 11. An apparatus, comprising: a transceiver configured to communicate wirelessly; and a processor coupled to the transceiver and configured to perform operations comprising: distributing a plurality of subcarriers of a resource unit (RU) to generate a distributed-tone RU (dRU) with frequency-domain duplication on a plurality of frequency subblocks; and communicating, via the transceiver, with a communication entity on the plurality of frequency subblocks.
  • Claim: 12. The apparatus of claim 11, wherein, in distributing the plurality of subcarriers of the RU to generate the dRU, the processor is configured to generate the dRU on a first frequency subblock of the plurality of frequency subblocks and duplicate the dRU as a duplicated dRU (dRU-DUP) on a second frequency subblock of the plurality of frequency subblocks.
  • Claim: 13. The apparatus of claim 12, wherein, in distributing the plurality of subcarriers of the RU to generate the dRU, the processor is further configured to apply a mask sequence on at least the dRU-DUP on the second frequency subblock.
  • Claim: 14. The apparatus of claim 13, wherein, in applying the mask sequence, the processor is configured to perform operations comprising: multiplying extremely-high-throughput long training field (EHT-LTF) and data tones in a first half of the dRU on the first frequency subblock with +1; multiplying EHT-LTF and data tones in a second half of the dRU on the first frequency subblock with +1; multiplying EHT-LTF and data tones in a first half of the dRU-DUP on the second frequency subblock with −1; and multiplying EHT-LTF and data tones in a second half of the dRU-DUP on the second frequency subblock with +1.
  • Claim: 15. The apparatus of claim 12, wherein each of the plurality of frequency subblocks comprises a 20 MHz, 40 MHz or 80 MHz frequency subblock.
  • Claim: 16. The apparatus of claim 11, wherein, in distributing the plurality of subcarriers of the RU to generate the dRU, the processor is configured to generate the dRU on a first frequency subblock of the plurality of frequency subblocks and duplicate the dRU as a duplicated dRU (dRU-DUP) on second, third and fourth frequency subblocks of the plurality of frequency subblocks.
  • Claim: 17. The apparatus of claim 16, wherein, in distributing the plurality of subcarriers of the RU to generate the dRU, the processor is further configured to apply a mask sequence on at least the dRU-DUP on the second, third and fourth frequency subblocks.
  • Claim: 18. The apparatus of claim 17, wherein, in applying the mask sequence, the processor is configured to perform operations comprising: multiplying extremely-high-throughput long training field (EHT-LTF) and data tones in a first half of the dRU on the first frequency subblock with +1; multiplying EHT-LTF and data tones in a second half of the dRU on the first frequency subblock with −1; multiplying EHT-LTF and data tones in a first half of the dRU-DUP on the second frequency subblock with −1; multiplying EHT-LTF and data tones in a second half of the dRU-DUP on the second frequency subblock with +1; multiplying EHT-LTF and data tones in a first half of the dRU-DUP on the third frequency subblock with +1; multiplying EHT-LTF and data tones in a second half of the dRU-DUP on the third frequency subblock with +1; multiplying EHT-LTF and data tones in a first half of the dRU-DUP on the fourth frequency subblock with +1; and multiplying EHT-LTF and data tones in a second half of the dRU-DUP on the fourth frequency subblock with +1.
  • Claim: 19. The apparatus of claim 17, wherein, in applying the mask sequence, the processor is configured to perform operations comprising: multiplying extremely-high-throughput long training field (EHT-LTF) and data tones in a first half of the dRU on the first frequency subblock with +1; multiplying EHT-LTF and data tones in a second half of the dRU on the first frequency subblock with +1; multiplying EHT-LTF and data tones in a first half of the dRU-DUP on the second frequency subblock with +1; multiplying EHT-LTF and data tones in a second half of the dRU-DUP on the second frequency subblock with −1; multiplying EHT-LTF and data tones in a first half of the dRU-DUP on the third frequency subblock with −1; multiplying EHT-LTF and data tones in a second half of the dRU-DUP on the third frequency subblock with −1; multiplying EHT-LTF and data tones in a first half of the dRU-DUP on the fourth frequency subblock with +1; and multiplying EHT-LTF and data tones in a second half of the dRU-DUP on the fourth frequency subblock with −1.
  • Claim: 20. The apparatus of claim 16, wherein each of the plurality of frequency subblocks comprises a 20 MHz, 40 MHz or 80 MHz frequency subblock.
  • Current International Class: 04; 04

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