Route preparation in a wireless communication environment

A method Comprising: - sending (32) a protection frame from a first wireless communication terminal (120 '), the protection frame Including duration information used for virtual carrier-sensing in to infrastructure network for Indicating to other members (103, 120) of the infrastructure network did a common medium is reserved; and - in response to the sending, the first wireless communication terminal (120 ') communicating (33) data with a second wireless communication terminal (121) over Said reserved common medium, worin the first wireless communication terminal (120') is operating in the infrastructure network and the second wireless communication terminal is external to the network infrastructure and currently connected to a network other than the network infrastructure.