Systems, methods, and devices for protecting frequency division multiple access communications are provided. A method for wireless communications in a communication system over a primary frequency channel and a secondary frequency channel is provided. The method includes transmitting by an access point a first reservation frame utilizing the primary frequency channel, the first reservation frame indicating a first single time interval reserved for uplink and downlink communications over the primary frequency channel with a plurality of wireless devices. The method includes transmitting by the access point a second reservation frame utilizing the secondary frequency channel, the second reservation frame indicating a second single time interval reserved for uplink and downlink communications over the secondary frequency channel. The method includes communicating between the access point and the plurality of wireless devices over the primary frequency channel during the first single time interval.