There is disclosed a method of operating a wireless device in a wireless communication network. The method includes transmitting communication signaling on a transmission resource, the transmission resource being one of at least a first transmission resource and a second transmission resource available to the wireless device, the first transmission resource and the second transmission resource at least partially overlapping in time, the transmission resource being determined to be the first transmission resource or the second transmission resource based on a control information message received by the wireless device. The disclosure also pertains to related devices and methods.