Apparatus, system and method of multi-user wireless communication
Some demonstrative embodiments include apparatuses, devices, systems and methods of multi-user (MU) wireless communication. For example, a wireless station may be configured to generate a MU Physical Layer Convergence Protocol (PLCP) Protocol Data Unit (PPDU) including a header field and a plurality of Media Access Control (MAC) Protocol Data Units (MPDUs) to a respective plurality of users, the header field including an indication of a plurality of lengths of respective ones of the plurality of MPDUs, one or more MPDUs of the plurality of MPDUs being followed by one or more respective PHY padding portions extending to an end of a longest MPDU of the plurality of MPDUs; and process transmission of the MU PPDU to the plurality of users over a wireless communication band.
1. An apparatus comprising logic and circuitry configured to cause a wireless communication station (STA) to:
generate a Multi-User (MU) Physical Layer (PHY) Protocol Data Unit (PPDU) comprising a first header (L-header) field to be decoded by Directional Multi-Gigabit (DMG) stations, a second header (Header A) field after the L-header field, a third header (Header B) field after the Header A field, and a data field after the Header B field, the data field comprising a plurality of data units to a respective plurality of users, a data unit of the plurality of data units is padded with one or more PHY padding blocks to align said plurality of data units in time; and
transmit said MU PPDU to said plurality of users over a channel bandwidth in a frequency band above 45 Gigahertz (GHz).
2. The apparatus of claim 1 configured to cause the STA to determine the one or more PHY padding blocks based on a longest data unit of the plurality of data units.
3. The apparatus of claim 1 configured to cause the STA to determine the one or more PHY padding blocks for the data unit based on a value relating to a length of the data unit and a value relating to a length of a longest data unit of the plurality of data units.
4. The apparatus of claim 1 configured to cause the STA to determine the one or more PHY padding blocks to extend the data unit to an end of a longest data unit of the plurality of data units.
5. The apparatus of claim 1 configured to cause the STA to pad with the one or more PHY padding blocks each data unit of the plurality of data units, which is shorter than a longest data unit of the plurality of data units.
6. The apparatus of claim 1 , wherein the plurality of data units comprises a plurality of Aggregate Medium Access Control (MAC) Protocol Data Units (A-MPDUs).
7. The apparatus of claim 1 , wherein the channel bandwidth comprises one or more 2.16 GHz channels.
8. The apparatus of claim 7 , wherein the Header A field comprises an indication of the one or more 2.16 GHz channels.
9. The apparatus of claim 7 , wherein the channel bandwidth comprises a channel bandwidth of 4.32 GHz or 6.48 GHz.
10. The apparatus of claim 1 , wherein the MU PPDU comprises a Training (TRN) field after the data field.
11. The apparatus of claim 1 , wherein the Header B field comprises a length field to indicate a length of the data unit for the user.
12. The apparatus of claim 1 , wherein the MU PPDU comprises an Extended Directional Multi-Gigabit (EDMG) MU PPDU, the Header A field comprises an EDMG Header A field, and the Header B field comprises an EDMG Header B field, the EDMG Header A field and the EDMG Header B field configured for EDMG communication in an EDMG network.
13. The apparatus of claim 1 comprising a Medium Access Control (MAC), and a Physical Layer (PHY).
14. The apparatus of claim 1 comprising a radio.
15. The apparatus of claim 1 comprising one or more antennas.
16. A product comprising one or more tangible computer-readable non-transitory storage media comprising computer-executable instructions operable to, when executed by at least one processor, enable the at least one processor to cause a wireless communication station (STA) to:
generate a Multi-User (MU) Physical Layer (PHY) Protocol Data Unit (PPDU) comprising a first header (L-header) field to be decoded by Directional Multi-Gigabit (DMG) stations, a second header (Header A) field after the L-header field, a third header (Header B) field after the Header A field, and a data field after the Header B field, the data field comprising a plurality of data units to a respective plurality of users, a data unit of the plurality of data units is padded with one or more PHY padding blocks to align said plurality of data units in time; and
transmit said MU PPDU to said plurality of users over a channel bandwidth in a frequency band above 45 Gigahertz (GHz).
17. The product of claim 16 , wherein the instructions, when executed, cause the STA to determine the one or more PHY padding blocks based on a longest data unit of the plurality of data units.
18. The product of claim 16 , wherein the instructions, when executed, cause the STA to pad with the one or more PHY padding blocks each data unit of the plurality of data units, which is shorter than a longest data unit of the plurality of data units.
19. The product of claim 16 , wherein the MU PPDU comprises a Training (TRN) field after the data field.
20. An apparatus comprising logic and circuitry configured to cause a first wireless communication station (STA) to:
receive a Multi-User (MU) Physical Layer Protocol Data Unit (PPDU) from a second STA over a channel bandwidth in a frequency band above 45 Gigahertz (GHz), the MU PPDU comprising a first header (L-header) field to be decoded by Directional Multi-Gigabit (DMG) stations, a second header (Header A) field after the L-header field, a third header (Header B) field after the Header A field, and a data field after the Header B field, the data field comprising a plurality of data units to a plurality of users, the plurality of data units comprising a data unit for the first STA;
based at least on the Header B field, determine that the data unit for the first STA is padded with one or more PHY padding blocks to align said plurality of data units in time; and
process the data unit for the first STA.
21. The apparatus of claim 20 configured to cause the first STA to determine that the data unit for the first STA is padded with one or more PHY padding blocks based at least on a length field in the Header B field.
22. The apparatus of claim 20 configured to cause the first STA to determine a beginning of a Training (TRN) field after the data field.
23. The apparatus of claim 20 , wherein the data unit for the first STA comprises an Aggregate Medium Access Control (MAC) Protocol Data Unit (A-MPDU).
24. The apparatus of claim 20 , wherein the channel bandwidth comprises one or more 2.16 GHz channels.
25. The apparatus of claim 24 , wherein the Header A field comprises an indication of the one or more 2.16 GHz channels.
26. The apparatus of claim 24 , wherein the channel bandwidth comprises a channel bandwidth of 4.32 GHz or 6.48 GHz.
27. The apparatus of claim 20 , wherein the MU PPDU comprises an Extended Directional Multi-Gigabit (EDMG) MU PPDU, the Header A field comprises an EDMG Header A field, and the Header B field comprises an EDMG Header B field, the EDMG Header A field and the EDMG Header B field configured for EDMG communication in an EDMG network.
28. The apparatus of claim 20 comprising a Medium Access Control (MAC), and a Physical Layer (PHY).
29. The apparatus of claim 20 comprising a radio.
30. The apparatus of claim 20 comprising one or more antennas.
31. An apparatus comprising:
means for causing a first wireless communication station (STA) to receive a Multi-User (MU) Physical Layer Protocol Data Unit (PPDU) from a second STA over a channel bandwidth in a frequency band above 45 Gigahertz (GHz), the MU PPDU comprising a first header (L-header) field to be decoded by Directional Multi-Gigabit (DMG) stations, a second header (Header A) field after the L-header field, a third header (Header B) field after the Header A field, and a data field after the Header B field, the data field comprising a plurality of data units to a plurality of users, the plurality of data units comprising a data unit for the first STA;
means for determining, based at least on the Header B field, that the data unit for the first STA is padded with one or more PHY padding blocks to align said plurality of data units in time; and
means for processing the data unit for the first STA.
32. The apparatus of claim 31 comprising means for determining that the data unit for the first STA is padded with one or more PHY padding blocks based at least on a length field in the Header B field.
33. The apparatus of claim 31 comprising means for determining a beginning of a Training (TRN) field after the data field.