A radio network element, comprising means for communicating, in a first coverage area, with a mobile terminal applying a primary frequency, means for communicating, in the first coverage area, with the mobile terminal by applying one or more secondary frequencies, if the mobile terminal can support and requests for one or more secondary uplink frequencies, wherein the radio network element is configured to allocate the primary frequency and one or more secondary frequencies from a set of frequencies, the set of frequencies being the same set of frequencies available for allocation in a second coverage area next to the first coverage area, wherein an allocation priority of the frequencies in the set of frequencies is different in the first coverage area compared to an allocation priority of frequencies in the second coverage area.