Apparatus, system and method of communicating a single-user (SU) multiple-input-multiple-output (MIMO) transmission
Some demonstrative embodiments include apparatuses, systems and/or methods of communicating a Single-User (SU) Multiple-Input-Multiple-Output (MIMO) transmission. For example, a first wireless communication station may be configured to transmit a Request to Send (RTS) to a second wireless communication station via a plurality of SU MIMO Transmit (Tx) sectors of the first wireless communication station, the RTS to establish a Transmit Opportunity (TXOP) to transmit an SU-MIMO transmission to the second wireless communication station, a control trailer of the RTS including an indication of an intent to transmit the SU-MIMO transmission to the second wireless communication station; and to transmit the SU-MIMO transmission to the second wireless communication station, upon receipt of a Clear to Send (CTS) from the second wireless communication station indicating that the second wireless communication station is ready to receive the SU-MIMO transmission.
1. An apparatus comprising:
memory circuitry; and
a processor comprising logic and circuitry configured to cause a first Enhanced Directional Multi-Gigabit (EDMG) wireless communication station (STA) to:
transmit to a second EDMG STA a Request to Send (RTS) to initiate channel access for a transmission to the second EDMG STA, a control trailer of the RTS comprising a Single-Input-Single-Output (SISO)/Multiple-Input-Multiple-Output (MIMO) (SISO/MIMO) field set to “1”, and a Single-User (SU)/Multi-User (MU) MIMO field set to “0” to indicate that the transmission to the second EDMG STA is to be a SU-MIMO transmission; and
transmit the SU-MIMO transmission to the second EDMG STA based on receipt of a Clear to Send (CTS) from the second EDMG STA indicating that the second EDMG STA is able to receive the SU-MIMO transmission.
2. The apparatus of claim 1 configured to cause the first EDMG STA to process a control trailer of the CTS, the control trailer of the CTS to indicate whether the second EDMG STA is to use a SISO mode or a SU-MIMO mode to transmit a transmission to the first EDMG STA.
3. The apparatus of claim 2 configured to cause the first EDMG STA to process a SISO/MIMO field in the control trailer of the CTS and a SU/MU MIMO field in the control trailer of the CTS, wherein a setting of the SISO/MIMO field in the control trailer of the CTS and the SU/MU MIMO field in the control trailer of the CTS is to indicate whether the second EDMG STA is to use the SISO mode or the SU-MIMO mode for the transmission to the first EDMG STA.
4. The apparatus of claim 2 configured to cause the first EDMG STA to determine that the second EDMG STA is to use the SU-MIMO mode for the transmission to the first EDMG STA based on a determination that a SISO/MIMO field in the control trailer of the CTS is set to “1”, and a SU/MU MIMO field in the control trailer of the CTS is set to “0”.
5. The apparatus of claim 2 configured to cause the first EDMG STA to determine that the second EDMG STA is to use the SISO mode for the transmission to the first EDMG STA based on a determination that a SISO/MIMO field in the control trailer of the CTS is set to “0”.
6. The apparatus of claim 1 , wherein the control trailer of the RTS comprises an indication of an antenna configuration for the SU-MIMO transmission.
7. The apparatus of claim 1 configured to cause the first EDMG STA to process a Denial to Send (DTS) from the second EDMG STA to indicate that the second EDMG STA is not able to receive the SU-MIMO transmission.
8. The apparatus of claim 1 configured to cause the first EDMG STA to transmit a grant frame to the second EDMG STA, the grant frame comprising an indication of a time for the channel access, a control trailer of the grant frame comprising an indication of the SU-MIMO transmission.
9. The apparatus of claim 8 configured to cause the first EDMG STA to process a grant acknowledge (ACK) from the second EDMG STA in response to the grant frame to indicate that the second EDMG STA is able to receive the SU-MIMO transmission.
10. The apparatus of claim 9 configured to cause the first EDMG STA to determine, based on a control trailer of the grant ACK, whether the second EDMG STA is to use a SISO mode or a SU-MIMO mode to transmit a transmission to the first EDMG STA.
11. The apparatus of claim 1 configured to cause the first EDMG STA to transmit a Contention-Free End (CF-END) frame to release a Transmit Opportunity (TxOP) used for the SU-MIMO transmission.
12. The apparatus of claim 11 configured to cause the first EDMG STA to transmit the CF-END frame with a same antenna configuration used for the SU-MIMO transmission.
13. The apparatus of claim 1 comprising a radio, the processor configured to cause the radio to transmit the RTS, and the SU-MIMO transmission.
14. The apparatus of claim 13 comprising one or more antennas connected to the radio, and another processor to execute instructions of an operating system.
15. 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 first Enhanced Directional Multi-Gigabit (EDMG) wireless communication station (STA) to:
transmit to a second EDMG STA a Request to Send (RTS) to initiate channel access for a transmission to the second EDMG STA, a control trailer of the RTS comprising a Single-Input-Single-Output (SISO)/Multiple-Input-Multiple-Output (MIMO) (SISO/MIMO) field set to “1”, and a Single-User (SU)/Multi-User (MU) MIMO field set to “0” to indicate that the transmission to the second EDMG STA is to be a SU-MIMO transmission; and
transmit the SU-MIMO transmission to the second EDMG STA based on receipt of a Clear to Send (CTS) from the second EDMG STA indicating that the second EDMG STA is able to receive the SU-MIMO transmission.
16. The product of claim 15 , wherein the instructions, when executed, cause the first EDMG STA to process a control trailer of the CTS, the control trailer of the CTS to indicate whether the second EDMG STA is to use a SISO mode or a SU-MIMO mode to transmit a transmission to the first EDMG STA.
17. The product of claim 16 , wherein the instructions, when executed, cause the first EDMG STA to process a SISO/MIMO field in the control trailer of the CTS and a SU/MU MIMO field in the control trailer of the CTS, wherein a setting of the SISO/MIMO field in the control trailer of the CTS and the SU/MU MIMO field in the control trailer of the CTS is to indicate whether the second EDMG STA is to use the SISO mode or the SU-MIMO mode for the transmission to the first EDMG STA.
18. The product of claim 15 , wherein the instructions, when executed, cause the first EDMG STA to process a Denial to Send (DTS) from the second EDMG STA to indicate that the second EDMG STA is not able to receive the SU-MIMO transmission.
19. The product of claim 15 , wherein the control trailer of the RTS comprises an indication of an antenna configuration for the SU-MIMO transmission.
20. The product of claim 15 , wherein the instructions, when executed, cause the first EDMG STA to transmit a grant frame to the second EDMG STA, the grant frame comprising an indication of a time for the channel access, a control trailer of the grant frame comprising an indication of the SU-MIMO transmission.
21. The product of claim 15 , wherein the instructions, when executed, cause the first EDMG STA to transmit a Contention-Free End (CF-END) frame to release a Transmit Opportunity (TxOP) used for the SU-MIMO transmission.
22. An apparatus comprising:
means for causing a first Enhanced Directional Multi-Gigabit (EDMG) wireless communication station (STA) to transmit to a second EDMG STA a Request to Send (RTS) to initiate channel access for a transmission to the second EDMG STA, a control trailer of the RTS comprising a Single-Input-Single-Output (SISO)/Multiple-Input-Multiple-Output (MIMO) (SISO/MIMO) field set to “1”, and a Single-User (SU)/Multi-User (MU) MIMO field set to “0” to indicate that the transmission to the second EDMG STA is to be a SU MIMO transmission; and
means for causing the first EDMG STA to transmit the SU-MIMO transmission to the second EDMG STA based on receipt of a Clear to Send (CTS) from the second EDMG STA indicating that the second EDMG STA is able to receive the SU-MIMO transmission.
23. The apparatus of claim 22 comprising means for processing a control trailer of the CTS to determine, based on the control trailer of the CTS, whether the second EDMG STA is to use a SISO mode or a SU-MIMO mode to transmit a transmission to the first EDMG STA.