Systems, methods, and devices for wireless communication are disclosed. In some aspects, a method includes receiving from a transmitting device, via a receiving device, a first wireless frame, the first wireless frame forming at least a portion of a wireless communication exchange between the transmitting device and the receiving device, transmitting to the transmitting device, in response to the first wireless frame, a second wireless frame indicating that the receiving device will enable protection for a remaining portion of the wireless communication exchange, transmitting during a contention period, in response to the indication, a frame reserving the wireless medium for a time period; and receiving, via the receiving device, the remaining portion of the wireless communication exchange from the transmitting device during the time period.