A method for wireless communication performed at a second wireless communication device (210, 305, 810, 910), comprising: receiving, from a first wireless communication device (105, 115, 215, 310, 805, 905), a clear to send signal (825, 925, 1015), the clear to send signal (825, 925, 1015) indicating a receiver spatial filter of the first wireless communication device (105, 115, 215, 310, 805, 905); determining (830, 930, 1710) a transmit precoder based at least in part on the receiver spatial filter of the first wireless communication device (105, 115, 215, 310, 805, 905); precoding a request to send signal (835, 935, 1025) based at least in part on the transmit precoder; transmitting, to a third wireless communication device (220, 310, 815, 915), the precoded request to send signal (835, 935, 1025) on a shared radio frequency spectrum band; characterized by further comprising: determining a rank of the clear to send signal (825, 925, 1015); identifying a remaining rank for data communications based on the rank of the clear to send signal (825, 925, 1015) and a rank of a link for communications between the second wireless communication device (210, 305, 810, 910) and the third wireless communication device (220, 310, 815, 915); and transmitting a data signal (850, 955) to the third wireless communication device (220, 310, 815, 915), the data signal (850, 955) having the remaining rank. receiving, from a first wireless communication device (105, 115, 215, 310, 805, 905), a clear to send signal (825, 925, 1015), the clear to send signal (825, 925, 1015) indicating a receiver spatial filter of the first wireless communication device (105, 115, 215, 310, 805, 905); determining (830, 930, 1710) a transmit precoder based at least in part on the receiver spatial filter of the first wireless communication device (105, 115, 215, 310, 805, 905); precoding a request to send signal (835, 935, 1025) based at least in part on the transmit precoder; transmitting, to a third wireless communication device (220, 310, 815, 915), the precoded request to send signal (835, 935, 1025) on a shared radio frequency spectrum band; characterized by further comprising: determining a rank of the clear to send signal (825, 925, 1015); identifying a remaining rank for data communications based on the rank of the clear to send signal (825, 925, 1015) and a rank of a link for communications between the second wireless communication device (210, 305, 810, 910) and the third wireless communication device (220, 310, 815, 915); and transmitting a data signal (850, 955) to the third wireless communication device (220, 310, 815, 915), the data signal (850, 955) having the remaining rank. determining a rank of the clear to send signal (825, 925, 1015); identifying a remaining rank for data communications based on the rank of the clear to send signal (825, 925, 1015) and a rank of a link for communications between the second wireless communication device (210, 305, 810, 910) and the third wireless communication device (220, 310, 815, 915); and transmitting a data signal (850, 955) to the third wireless communication device (220, 310, 815, 915), the data signal (850, 955) having the remaining rank.