A communication method, user terminal, processor, and base station for direct communication including a user terminal transmitting to a base station, buffer status information indicating amounts of data to be transmitted in direct communication, where each amount of data is for each of logical channel groups for the direct communication and for each communication partner of the direct communication, assigning, by the base station to the user terminal, a radio network temporary identifier for the direct communication, determining, by the base station, a radio resource to be used for the user terminal to perform the direct communication, transmitting, from the base station to the user terminal, resource information indicating the determined radio resource, by use of the radio network temporary identifier assigned to the user terminal, and receiving, by the user terminal, the resource information on a basis of the radio network temporary identifier assigned to the user terminal.