Patent ID: 8755275

Claim:
A system for managing resources in a communication system including a plurality of systems which do not have a permission for a first frequency band, the system comprising: a coexistence manager configured to, when a frequency band available for the plurality of systems is searched from the first frequency band, manage the plurality of systems for coexistence and frequency sharing of the plurality of systems in the available frequency band; a coexistence enabler configured to transmit and receive information of the plurality of systems and information of the coexistence manager; and a coexistence discovery and information server configured to support control of the coexistence manager over the plurality of systems, wherein a plurality of coexistence managers are provided to respectively correspond to the plurality of systems, and wherein predetermined messages are transmitted and received among the coexistence discovery and information server, the plurality of coexistence managers and the coexistence enabler to perform a registration procedure, a coexistence information gathering procedure, a coexistence decision making procedure, a reconfiguration procedure, a management procedure and an event procedure, for the coexistence and frequency sharing of the plurality of systems.