Patent ID: 7154860

Claim:
A radio communication apparatus which dynamically seizes a communication state between a plurality of mobile terminals constituting a radio network and which dynamically changes communication paths depending on a communication state between the terminals at the present, comprising: means for holding a constituent terminal list formed on the basis of the number of terminals connected to the radio network at the present and identifiers or the terminals; means for sequentially designating the terminals connected to the radio network; means for requesting topology map data which is bit field data formed on the basis of a communication state between the terminals and the constituent terminal list; means for receiving the request of the topology map data; means for deciding whether the request of the topology map data is for its own terminal or not; means for, when the request of the topology map data is for its own terminal, transmitting the topology map data viewed from its own terminal; and means for, when the request of the topology map data is not for its own terminal, receiving topology map data transmitted from another terminal from which topology map data is requested to reflect the topology map data on the communication state between the terminals stored in its own terminal.