Patent ID: 8295844

Claim:
A mobile communications system, comprising: a first unit, provided at a base station apparatus, which controls a base station status by determining a request from an upper-layer general base station apparatus; and a second unit, provided at the general base station apparatus, which monitors for one or more mobile station apparatuses entering into/appearing in, or exiting/disappearing from a cell formed by the general base station apparatus, and, if at least one of the mobile station apparatuses enters into/appears in the cell formed by the general base station apparatus, requests for changing the base station apparatus to a service status, and, if all of the mobile station apparatuses exit/disappear from the cell formed by the general base station apparatus, requests for changing the base station apparatus to a radio unit stop status; wherein the second unit monitors for the one or more mobile station apparatuses entering into/appearing in, or exiting/disappearing from the cell combined with a cell formed by another general base station apparatus; and wherein the second unit monitors for the one or more mobile station apparatuses entering into/appearing in the cell using a formation of a combination of the cell with another cell formed by another general base station apparatus, and monitors for the one or more mobile station apparatuses exiting/disappearing from the cell using a non-formation of the combination of the cell with the other cell formed by the other general base station apparatus.