A transmitting wireless device and a method for performing a transmission to a receiving wireless device as well as a receiving wireless device and a method for receiving a transmission from the transmitting device are provided. Both wireless devices operate in a wireless network applying a contention-based medium access control protocol. The wireless network operates on a frequency resource. The method for performing a transmission to the receiving wireless comprises identifying a control channel of the frequency resource; and contending, at the control channel, for resources on a data channel of the frequency resource. When the contention for resources is successful, the method further comprises transmitting data to the receiving wireless device on the data channel of the frequency resource, wherein the control channel and data channel operate on separate frequencies of the frequency resource.