1. A method comprising: determining a first user equipment, of a wireless communications network, to be a clusterhead candidate without the need for a connection with the communications network and able to act as a clusterhead of a first cluster based at least on a pre-defined level of battery power, wherein the first user equipment has a high degree of mobility where topology of the network changes over time; searching by the first user equipment for a suitable cell or cluster to join; in response to not finding the suitable cell or a cluster to join, selecting the first user equipment to be a clusterhead which can act as a clusterhead of a first cluster.