PHYSICAL LAYER (PHY) PACKET DESIGN FOR POWER SPECTRAL DENSITY (PSD) LIMITS
This disclosure provides systems, methods and apparatus, including computer programs encoded on computer storage media, for physical layer (PHY) packet design for power spectral density (PSD) limits. In some implementations, a wireless communication device generates a plurality of PHY convergence protocol (PLCP) protocol data unit (PPDU) duplicates configured for transmission over a selected bandwidth, and transmits each PPDU duplicate of the plurality of PPDU duplicates on a corresponding frequency subband of a plurality of different frequency subbands. In some other implementations, the wireless communication device generates a PPDU for transmission over a set of duplicated resource units (RUs) allocated to the wireless communication device, and transmits the PPDU over the allocated set of duplicated RUs.
2 . A wireless communication device, comprising:
a processing system that includes processor circuitry and memory circuitry that stores code, the processing system configured to cause the wireless communication device to:
receive a physical (PHY) layer convergence protocol (PLCP) protocol data unit (PPDU) via a set of resource units (RUs), wherein:
the PPDU is an extremely high throughput (EHT) PPDU that includes a pre-EHT portion containing a universal signal (U-SIG) field and an EHT portion containing a data field,
the U-SIG field is duplicated according to a first duplication format corresponding to a first frequency bandwidth,
the data field is duplicated according to a second duplication format corresponding to a second frequency bandwidth, each RU of the set of RUs including a duplication of the data field, and
the second frequency bandwidth is greater than the first frequency bandwidth by an integer multiple greater than one.
3 . The wireless communication device of claim 2 , wherein the PPDU comprises a single user (SU) PPDU.
4 . The wireless communication device of claim 2 , wherein the data field of the PPDU is duplicated in frequency, and the PPDU is received over each RU of the set of RUs.
5 . The wireless communication device of claim 2 , wherein a power spectral density (PSD) applicable to transmission of the PPDU is associated with a total frequency bandwidth spanned by the set of RUs.
6 . The wireless communication device of claim 5 , wherein the total frequency bandwidth is at least twice a respective frequency bandwidth of a respective RU.
7 . The wireless communication device of claim 2 , wherein a size of respective RUs in the set of RUs is associated with a power spectral density (PSD) limit applicable to a frequency bandwidth of a wireless channel.
8 . The wireless communication device of claim 2 , wherein the set of RUs is obtained via duplication of an RU a quantity N of times, N being an integer greater than one.
9 . A method for wireless communication by a wireless communication device, comprising:
receiving a physical (PHY) layer convergence protocol (PLCP) protocol data unit (PPDU) via a set of resource units (RUs), wherein:
the PPDU is an extremely high throughput (EHT) PPDU that includes a pre-EHT portion containing a universal signal (U-SIG) field and an EHT portion containing a data field,
the U-SIG field is duplicated according to a first duplication format corresponding to a first frequency bandwidth,
the data field is duplicated according to a second duplication format corresponding to a second frequency bandwidth, each RU of the set of RUs including a duplication of the data field, and
the second frequency bandwidth is greater than the first frequency bandwidth by an integer multiple greater than one.
10 . The method of claim 9 , wherein the PPDU comprises a single user (SU) PPDU.
11 . The method of claim 9 , wherein the data field of the PPDU is duplicated in frequency, and the PPDU is received over each RU of the set of RUs.
12 . The method of claim 9 , wherein a power spectral density (PSD) applicable to transmission of the PPDU is associated with a total frequency bandwidth spanned by the set of RUs.
13 . The method of claim 12 , wherein the total frequency bandwidth is at least twice a respective frequency bandwidth of a respective RU.
14 . The method of claim 9 , wherein a size of respective RUs in the set of RUs is associated with a power spectral density (PSD) limit applicable to a frequency bandwidth of a wireless channel.
15 . The method of claim 9 , wherein the set of RUs is obtained via duplication of an RU a quantity N of times, N being an integer greater than one.
16 . A non-transitory computer-readable medium storing code for wireless communication by a wireless communication device, the code comprising instructions executable by one or more processors to:
receive a physical (PHY) layer convergence protocol (PLCP) protocol data unit (PPDU) via a set of resource units (RUs), wherein:
the PPDU is an extremely high throughput (EHT) PPDU that includes a pre-EHT portion containing a universal signal (U-SIG) field and an EHT portion containing a data field,
the U-SIG field is duplicated according to a first duplication format corresponding to a first frequency bandwidth,
the data field is duplicated according to a second duplication format corresponding to a second frequency bandwidth, each RU of the set of RUs including a duplication of the data field, and
the second frequency bandwidth is greater than the first frequency bandwidth by an integer multiple greater than one.
17 . The non-transitory computer-readable medium of claim 16 , wherein the PPDU comprises a single user (SU) PPDU.
18 . The non-transitory computer-readable medium of claim 16 , wherein the data field of the PPDU is duplicated in frequency, and the PPDU is received over each RU of the set of RUs.
19 . The non-transitory computer-readable medium of claim 16 , wherein a power spectral density (PSD) applicable to transmission of the PPDU is associated with a total frequency bandwidth spanned by the set of RUs.
20 . The non-transitory computer-readable medium of claim 16 , wherein a size of respective RUs in the set of RUs is associated with a power spectral density (PSD) limit applicable to a frequency bandwidth of a wireless channel.
21 . The non-transitory computer-readable medium of claim 16 , wherein the set of RUs is obtained via duplication of an RU a quantity N of times, N being an integer greater than one.