Multiple-input multiple-output channel access

Abstract

This disclosure describes systems, methods, and devices related to multiple-input multiple-output (MIMO) channel access. A device may determine one or more time division duplex (TDD) service periods (SPs). The device may determine a directional multi-gigabit (DMG) frame to be sent to a responder device on a channel associated with a MIMO communication. The device may cause to send the DMG frame to the responder device on the channel. The device may establish a MIMO channel access based on sending the DMG frame to the responder device.

What is claimed is: 
     
         1 . A device, the device comprising processing circuitry coupled to storage, the processing circuitry configured to:
 determine one or more time division duplex (TDD) service periods (SPs);   determine a directional multi-gigabit (DMG) frame to be sent to a responder device on a channel associated with a multiple-input multiple-output (MIMO) communication;   cause to send the DMG frame to the responder device on the channel; and   establish a MIMO channel access based on sending the DMG frame to the responder device.   
     
     
         2 . The device of  claim 1 , wherein the memory and the processing circuitry are further configured to:
 determine a respective availability status of one or more channels;   cause to send a request to send (RTS) frame to the responder device, wherein the RTS frame comprises a first control trailer comprising the respective availability status of the one or more channels indicated in a first bandwidth indication field; and   identify a clear to send (CTS) frame received from the responder device, wherein the CTS frame comprises a second control trailer, wherein the second control trailer comprises a second bandwidth indication field associated with one or more channels.   
     
     
         3 . The device of  claim 1 , wherein causing to send the DMG frame is based on ignoring a physical layer (PHY) clear channel assessment (CCA) indication. 
     
     
         4 . The device of  claim 1 , wherein the MIMO channel access is a single user MIMO (SU-MIMO) channel access. 
     
     
         5 . The device of  claim 1 , wherein the processing circuitry is further configured to
 determine a first indication associated with a first status of a first antenna;   determine a second indication associated with a second status of a second antenna; and   cause to send the first indication and the second indication to an upper layer of the device.   
     
     
         6 . The device of  claim 1 , wherein the DMG frame is a clear to send to self (CTS-to-self) frame. 
     
     
         7 . The device of  claim 6 , wherein the CTS-to-self frame is appended with a control trailer. 
     
     
         8 . The device of  claim 1 , further comprising a transceiver configured to transmit and receive wireless signals. 
     
     
         9 . The device of  claim 8 , further comprising an antenna coupled to the transceiver to cause to send the DMG frame. 
     
     
         10 . A non-transitory computer-readable medium storing computer-executable instructions which when executed by one or more processors result in performing operations comprising:
 determining one or more time division duplex (TDD) service periods (SPs);   determining a directional multi-gigabit (DMG) frame to be sent to a responder device on a channel associated with a multiple-input multiple-output (MIMO) communication;   causing to send the DMG frame to the responder device on the channel; and   establishing a MIMO channel access based on sending the DMG frame to the responder device.   
     
     
         11 . The non-transitory computer-readable medium of  claim 10 , wherein the operations further comprise:
 determining a respective availability status of one or more channels;   causing to send a request to send (RTS) frame to the responder device, wherein the RTS frame comprises a first control trailer comprising the respective availability status of the one or more channels indicated in a first bandwidth indication field; and   identifying a clear to send (CTS) frame received from the responder device, wherein the CTS frame comprises a second control trailer, wherein the second control trailer comprises a second bandwidth indication field associated with one or more channels.   
     
     
         12 . The non-transitory computer-readable medium of  claim 10 , wherein causing to send the DMG frame is based on ignoring a physical layer (PHY) clear channel assessment (CCA) indication. 
     
     
         13 . The non-transitory computer-readable medium of  claim 10 , wherein the MIMO channel access is a single user MIMO (SU-MIMO) channel access. 
     
     
         14 . The non-transitory computer-readable medium of  claim 10 , wherein the operations further comprise;
 determining a first indication associated with a first status of a first antenna;   determining a second indication associated with a second status of a second antenna; and   causing to send the first indication and the second indication to an upper layer of the device.   
     
     
         15 . The non-transitory computer-readable medium of  claim 10 , wherein the DMG frame is a clear to send to self (CTS-to-self) frame. 
     
     
         16 . The non-transitory computer-readable medium of  claim 15 , wherein the CTS-to-self frame is appended with a control trailer. 
     
     
         17 . A method comprising:
 determining, by one or more processors, by one or more processors, one or more time division duplex (TDD) service periods (SPs);   determining a directional multi-gigabit (DMG) frame to be sent to a responder device on a channel associated with a multiple-input multiple-output (MIMO) communication;   causing to send the DMG frame to the responder device on the channel; and   establishing a MIMO channel access based on sending the DMG frame to the responder device.   
     
     
         18 . The method of  claim 17 , further comprising:
 determining a respective availability status of one or more channels;   causing to send a request to send (RTS) frame to the responder device, wherein the RTS frame comprises a first control trailer comprising the respective availability status of the one or more channels indicated in a first bandwidth indication field; and   identifying a clear to send (CTS) frame received from the responder device, wherein the CTS frame comprises a second control trailer, wherein the second control trailer comprises a second bandwidth indication field associated with one or more channels.   
     
     
         19 . The method of  claim 17 , wherein causing to send the DMG frame is based on ignoring a physical layer (PHY) clear channel assessment (CCA) indication. 
     
     
         20 . The method of  claim 17 , wherein the MIMO channel access is a single user MIMO (SU-MIMO) channel access.