A communication method performed in a communication system including a base station and a plurality of terminals, the communication method including: transmitting, by the base station, a first signal specifying a representative terminal of an aggregation group to which member terminals of the plurality of terminals belongs, each of the member terminals on which common application is installed in common, and relaying, by the representative terminal, communications associated with the common application between a server apparatus and one or more non-representative terminals other than the representative terminal of the member terminals, the server apparatus providing service for the common application.
