Wireless communication system, wireless communication unit and method for using a communication resource

A self-organising wireless communication system (10) includes a plurality of wireless serving communication units (24-30) serving a plurality of mobile stations (12-16) with a limited communication resource (18-22). At least one wireless serving communication unit (24-30) includes a transmitter transmitting a wireless transmission message (190) including at least a yoohoo message portion (198). The yoohoo message portion (198) identifies whether transmissions from other wireless serving communication units can be received by the at least one wireless serving communication unit (24-30). A wireless communication unit, a method of sharing at least one communication resource, a wireless message and a method of determining whether a communication unit has successfully accessed a wireless communication system are also provided.