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 generate a MU Physical Layer Convergence Protocol (PLCP) Protocol Data Unit (PPDU) including a header field and a plurality of Spatial Streams (SSs) of Media Access Control (MAC) Protocol Data Units (MPDUs) to a plurality of users, the header field including an indication of a plurality of modulation schemes corresponding to respective ones of the plurality of users; and process transmission of the MU PPDU to the plurality of users over a wireless communication band.
1. An apparatus comprising memory circuitry, and one or more processors, the one or more processors to:
process an Extended Directional Multigigabit (EDMG) Multi-User (MU) Physical Layer Convergence Protocol Data Unit (PPDU) for a MU transmission, the PPDU comprising a header portion and a data portion, the data portion including a plurality of Media Access Control (MAC) Protocol Data Units (MPDUs) in a plurality of Spatial Streams (SSs) and addressed to a plurality of wireless stations (STAB), wherein:
the header portion indicates a modulation scheme for the MU transmission, the modulation scheme including a Single Carrier (SC) modulation scheme or an Orthogonal Frequency Division Multiplexing (OFDM) modulation scheme;
the header portion includes a legacy header, and a non-legacy header following the legacy header, the non-legacy header including a first non-legacy header EDMG-Header A, and a second non-legacy header EDMG-Header B, the EDMG-Header B indicating a plurality of Modulation and Coding Schemes (MCSs) on a per SS basis;
determine from the header portion whether the modulation scheme for the MU transmission is a SC modulation or an OFDM modulation;
use a decoding chain based on the modulation scheme to demodulate the MU transmission; and
demodulate the SSs according to the MCSs.
2. The apparatus of claim 1 , wherein the header portion comprises a sequence of bits, and wherein a bit of the sequence of bits is to have a first value to indicate the SC modulation scheme, and a second value to indicate the OFDM modulation scheme.
3. The apparatus of claim 1 , wherein the wireless communication band includes a bonded channel including a 4.32 GHz channel consisting of two 2.16 GHz channels.
4. The apparatus of claim 1 , wherein the wireless communication band includes a bonded channel including a 6.48 GHz channel consisting of three 2.16 GHz channels.
5. The apparatus of claim 1 , wherein the non-legacy header includes MU-MIMO parameters including information relating to a number of SSs and wherein the one or more processors are to decode the non-legacy header to determine the number of SSs.
6. The apparatus of claim 1 , further including a processor, a radio and one or more directional antennas.
7. 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 computer processor, cause a wireless station to:
process an Extended Directional Multigigabit (EDMG) Multi-User (MU) Physical Layer Convergence Protocol Data Unit (PPDU) for a MU transmission, the PPDU comprising a header portion and a data portion, the data portion including a plurality of Media Access Control (MAC) Protocol Data Units (MPDUs) in a plurality of Spatial Streams (SSs) and addressed to a plurality of wireless stations (STAB), wherein:
the header portion indicates a modulation scheme for the MU transmission, the modulation scheme including a Single Carrier (SC) modulation scheme or an Orthogonal Frequency Division Multiplexing (OFDM) modulation scheme;
the header portion includes a legacy header, and a non-legacy header following the legacy header, the non-legacy header including a first non-legacy header EDMG-Header A, and a second non-legacy header EDMG-Header B, the EDMG-Header B indicating a plurality of Modulation and Coding Schemes (MCSs) on a per SS basis;
determine from the header portion whether the modulation scheme for the MU transmission is a SC modulation or an OFDM modulation;
use a decoding chain based on the modulation scheme to demodulate the MU transmission; and
demodulate the SSs according to the MCSs.
8. The product of claim 7 , wherein the header portion comprises a sequence of bits, and wherein a bit of the sequence of bits is to have a first value to indicate the SC modulation scheme, and a second value to indicate the OFDM modulation scheme.
9. The product of claim 7 , wherein the wireless communication band includes a bonded channel including a 4.32 GHz channel consisting of two 2.16 GHz channels.
10. The product of claim 7 , wherein the wireless communication band includes a bonded channel including a 6.48 GHz channel consisting of three 2.16 GHz channels.
11. The product of claim 7 , wherein the non-legacy header includes MU-MIMO parameters including information relating to a number of SSs and wherein the operations are further operable to decode the non-legacy header to determine the number of SSs.
12. A method to be performed at a wireless device including:
processing an Extended Directional Multigigabit (EDMG) Multi-User (MU) Physical Layer Convergence Protocol Data Unit (PPDU) for a MU transmission, the PPDU comprising a header portion and a data portion, the data portion including a plurality of Media Access Control (MAC) Protocol Data Units (MPDUs) in a plurality of Spatial Streams (SSs) and addressed to a plurality of wireless stations (STAB), wherein:
the header portion indicates a modulation scheme for the MU transmission, the modulation scheme including a Single Carrier (SC) modulation scheme or an Orthogonal Frequency Division Multiplexing (OFDM) modulation scheme;
the header portion includes a legacy header, and a non-legacy header following the legacy header, the non-legacy header including a first non-legacy header EDMG-Header A, and a second non-legacy header EDMG-Header B, the EDMG-Header B indicating a plurality of Modulation and Coding Schemes (MCSs) on a per SS basis;
determining from the header portion whether the modulation scheme for the MU transmission is a SC modulation or an OFDM modulation;
using a decoding chain based on the modulation scheme to demodulate the MU transmission; and
demodulating the SSs according to the MCSs.
13. The method of claim 12 , wherein the header portion comprises a sequence of bits, and wherein a bit of the sequence of bits is to have a first value to indicate the SC modulation scheme, and a second value to indicate the OFDM modulation scheme.
14. The method of claim 12 , wherein the wireless communication band includes a bonded channel including a 4.32 GHz channel consisting of two 2.16 GHz channels.
15. The method of claim 12 , wherein the wireless communication band includes a bonded channel including a 6.48 GHz channel consisting of three 2.16 GHz channels.
16. The method of claim 12 , wherein the non-legacy header includes MU-MIMO parameters including information relating to a number of SSs and wherein the method further includes decoding the non-legacy header to determine the number of SSs.