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- Nachgewiesen in: USPTO Patent Applications
- Sprachen: English
- Document Number: 20240007241
- Publication Date: January 4, 2024
- Appl. No: 18/323333
- Application Filed: May 24, 2023
- Claim: 1. (canceled)
- Claim: 2. A method for wireless communication performed by a wireless communication device, comprising: obtaining a sequence of values representing a long training field (LTF) of a physical (PHY) layer convergence protocol (PLCP) protocol data unit (PPDU) based at least in part on a number (N) of noncontiguous subcarrier indices of a wireless channel, the sequence of values comprising one or more N-tone base sequences that form one or more larger base sequences; mapping the sequence of values to a number (N) of noncontiguous subcarrier indices of a plurality of subcarrier indices spanning the wireless channel according to a distributed tone plan and a peak-to-average power ratio (PAPR) associated with transmitting the sequence of values, wherein the mapping includes applying one or more phase rotations to the one or more N-tone base sequences; and transmitting the PPDU, including the sequence of values mapped to the N noncontiguous subcarrier indices, via the wireless channel.
- Claim: 3. The method of claim 2, wherein mapping the sequence of values to the N noncontiguous subcarrier indices further comprises: modulating the sequence of values on N tones representing a logical resource unit (RU) associated with a non-distributed tone plan; and mapping the N tones to the respective N noncontiguous subcarrier indices.
- Claim: 4. The method of claim 3, wherein the non-distributed tone plan is a legacy tone plan.
- Claim: 5. The method of claim 3, wherein the non-distributed tone plan is a non-legacy tone plan.
- Claim: 6. The method of claim 2, wherein the sequence of values is configured for transmission via one or more N-tone distributed RUs (dRUs) based at least in part on the PAPR, the PAPR associated with the transmission of the one or more dRUs.
- Claim: 7. The method of claim 2, wherein the sequence of values is obtained based at least in part on relative locations of the N noncontiguous subcarrier indices within the wireless channel.
- Claim: 8. The method of claim 2, wherein the sequence of values is obtained based at least in part on a size and a location of a logical resource unit (RU) relative to a spreading bandwidth of the wireless channel.
- Claim: 9. The method of claim 8, wherein transmitting the PPDU further comprises: interleaving one or more distributed RUs (dRUs) over the spreading bandwidth of the wireless channel.
- Claim: 10. The method of claim 8, wherein the sequence of values is a subset of an LTF sequence that maps to the plurality of subcarrier indices according to the distributed tone plan.
- Claim: 11. The method of claim 10, wherein the LTF sequence comprises one or more 26-tone base sequences each configured to be transmitted via a respective N-tone dRU based at least in part on the PAPR, the PAPR associated with a transmission of the LTF sequence.
- Claim: 12. The method of claim 11, wherein one or more portions of the LTF sequence that map to one or more 26-tone dRUs and that share one or more same relative pilot tone locations are associated with different base sequences.
- Claim: 13. The method of claim 11, wherein the one or more 26-tone base sequences (LTFdRU26) form larger base sequences associated with the LTF sequence, where: LTFdRU52,1=γ1*LTFdRU26,1+γ2*LTFdRU26,2 LTFdRU52,2=γ3*LTFdRU26,3+γ4*LTFdRU26,4 LTFdRU106=γ5*LTFdRU52,1+γ6*LTFdRU52,2+LTFadd_tones where γ1 and γ2 are phase rotations applied to first and second 26-tone base sequences (LTFdRU26,1 and LTFdRU26,2, respectively) based at least in part on the PAPR associated with transmitting the LTF sequence; where γ3 and γ4 are phase rotations applied to third and fourth 26-tone base sequences (LTFdRU26,3 and LTFdRU26,4, respectively) based at least in part on the PAPR associated with transmitting the LTF sequence; and where γ5 and γ6 are phase rotations applied to first and second 52-tone base sequences (LTFdRU52,1 and LTFdRU52,2, respectively), and LTFadd_tones are LTF values on additional tones of a 106-tone base sequence (LTFdRU106), based at least in part on the PAPR associated with transmitting the LTF sequence.
- Claim: 14. The method of claim 2, wherein the PPDU includes one or more non-legacy long training fields, the method further comprising: transmitting the sequence of values via the one or more non-legacy training fields.
- Claim: 15. A wireless communication device comprising: at least one processor; and at least one memory communicatively coupled with the at least one processor and storing processor-readable code that, when executed by the at least one processor, is configured to: obtain a sequence of values representing a long training field (LTF) of a physical (PHY) layer convergence protocol (PLCP) protocol data unit (PPDU) based at least in part on a number (N) of noncontiguous subcarrier indices of a wireless channel, the sequence of values comprising one or more N-tone base sequences that form one or more larger base sequences; map the sequence of values to a number (N) of noncontiguous subcarrier indices of a plurality of subcarrier indices spanning the wireless channel according to a distributed tone plan and a peak-to-average power ratio (PAPR) associated with transmitting the sequence of values, wherein the mapping includes applying one or more phase rotations to one or more 26-tone base sequences; and transmit the PPDU, including the sequence of values mapped to the N noncontiguous subcarrier indices, via the wireless channel.
- Claim: 16. The wireless communication device of claim 15, wherein the mapping of the sequence of values to the N noncontiguous subcarrier indices comprises: modulating the sequence of values on N tones representing a logical resource unit (RU) associated with a non-distributed tone plan; and mapping the N tones to the N noncontiguous subcarrier indices, respectively.
- Claim: 17. The wireless communication device of claim 15, wherein the sequence of values is obtained based on relative locations of the N noncontiguous subcarrier indices in the wireless channel.
- Claim: 18. A method for wireless communication performed by a wireless communication device, comprising: receiving a physical layer (PHY) convergence protocol (PLCP) protocol data unit (PPDU) via a wireless channel that includes a sequence of values, the sequence of values comprising one or more N-tone base sequences and one or more phase rotations that form one or more larger base sequences; demapping the sequence of values from a number (N) of noncontiguous subcarrier indices of a plurality of subcarrier indices spanning the wireless channel according to a distributed tone plan and a peak-to-average power ratio (PAPR) associated with receiving the sequence of values, the sequence of values representing a long training field (LTF) of the PPDU; and estimating the wireless channel based at least in part on the sequence of values.
- Claim: 19. The method of claim 18, wherein the demapping of the sequence of values comprises: demapping N tones from the respective N noncontiguous subcarrier indices, the demapped N tones representing a logical resource unit (RU) associated with a non-distributed tone plan; and demodulating the sequence of values from the N tones.
- Claim: 20. The method of claim 19, wherein the non-distributed tone plan is a legacy tone plan.
- Claim: 21. The method of claim 19, wherein the non-distributed tone plan is a non-legacy tone plan.
- Claim: 22. The method of claim 18, wherein the sequence of values is configured for transmission via one or more N-tone distributed RU (dRU) based on the PAPR, the PAPR associated with receiving the dRU.
- Claim: 23. The method of claim 18, wherein the sequence of values is associated with relative locations of the N noncontiguous subcarrier indices in the wireless channel.
- Claim: 24. The method of claim 18, wherein the sequence of values is based at least in part on a size and a location of a logical resource unit (RU) relative to a spreading bandwidth of the wireless channel.
- Claim: 25. The method of claim 23, wherein the sequence of values is a subset of an LTF sequence that maps to the plurality of subcarrier indices according to the distributed tone plan.
- Claim: 26. The method of claim 25, wherein the LTF sequence comprises one or more 26-tone base sequences each configured to be received via a respective 26-tone dRU based at least in part on the PAPR, the PAPR associated with receiving the LTF sequence.
- Claim: 27. The method of claim 26, wherein one or more portions of the LTF sequence that map to one or more 26-tone dRUs and that share one or more same relative pilot tone locations are associated with different base sequences.
- Claim: 28. The method of claim 26, wherein the one or more 26-tone base sequences (LTFdRU26) form larger base sequences associated with the LTF sequence, where: LTFdRU52,1=γ1*LTFdRU26,1+γ2*LTFdRU26,2 LTFdRU52,2=γ3*LTFdRU26,3+γ4*LTFdRU26,4 LTFdRU106=γ5*LTFdRU52,1+γ6*LTFdRU52,2+LTFadd_tones where γ1 and γ2 are phase rotations applied to first and second 26-tone base sequences (LTFdRU26,1 and LTFdRU26,2, respectively) based at least in part on the PAPR associated with receiving the LTF sequence; where γ3 and γ4 are phase rotations applied to third and fourth 26-tone base sequences (LTFdRU26,3 and LTFdRU26,4, respectively) based at least in part on the PAPR associated with receiving the LTF sequence; and where γ5 and γ6 are phase rotations applied to first and second 52-tone base sequences (LTFdRU52,1 and LTFdRU52,2, respectively), and LTFadd_tones are LTF values on additional tones of a 106-tone base sequence (LTFdRU106), based at least in part on the PAPR associated with receiving the LTF sequence.
- Claim: 29. A wireless communication device comprising: at least one processor; and at least one memory communicatively coupled with the at least one processor and storing processor-readable code that, when executed by the at least one processor, is configured to: receive a physical layer (PHY) convergence protocol (PLCP) protocol data unit (PPDU) via a wireless channel that includes a sequence of values, the sequence of values comprising one or more N-tone base sequences and one or more phase rotations that form one or more larger base sequences; demap a sequence of values from a number (N) of noncontiguous subcarrier indices of a plurality of subcarrier indices spanning the wireless channel according to a distributed tone plan and a peak-to-average power ratio (PAPR) associated with receiving the sequence of values, the sequence of values representing a long training field (LTF) of the PPDU; and estimate the wireless channel based at least in part on the sequence of values.
- Claim: 30. The wireless communication device of claim 29, wherein the demapping comprises: demapping N tones from the respective N noncontiguous subcarrier indices, the demapped N tones representing a logical resource unit (RU) associated with a non-distributed tone plan; and demodulating the sequence of values from the N tones.
- Claim: 31. The wireless communication device of claim 29, wherein the sequence of values is associated with relative locations of the N noncontiguous subcarrier indices in the wireless channel.
- Current International Class: 04; 04
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