A mobile communications network is disclosed which comprises a plurality of radio heads, a cloud processing architecture, and a plurality of radio head links. The plurality of radio heads are for transceiving radio signals and for converting the radio signals between baseband representations of the radio signals and radio frequency representation of the radio signals. The cloud processing architecture is for processing the baseband representations of the radio signals. The cloud processing architecture is ad hoc shareable on demand between different ones of the plurality of radio heads. The plurality of radio head links is provided between the plurality of radio heads and the cloud processing architecture. A corresponding method for processing radio signals for a mobile communications network and corresponding computer program products are also disclosed.