Patent ID: 8116770

Claim:
A mobile communications system, comprising: a plurality of base station apparatuses which are located at geographically dispersed locations and perform a wireless communication with a mobile device; a maximum ratio combining unit which is connectable with said plurality of base station apparatuses for a communication via a first communication line and performs maximum ratio combining processing based on information corresponding to a received signal from said mobile device, said information being transmitted from said plurality of base station apparatuses; a selection combining unit which is connectable with said plurality of base station apparatuses for a communication via a second communication line and performs selection combining processing based on information corresponding to a received signal from said mobile device, said information being transmitted from said plurality of base station apparatuses; and a selection unit which selects one or both of said maximum ratio combining unit and said selection combining unit according to at least one of an external factor and a change of a distribution state of a mobile device under communication that exists in a coverage area of said plurality of base station apparatuses with which said mobile device performs a wireless communication, when signal combining is performed based on said information corresponding to said received signal from said mobile device, said information being transmitted from said plurality of base station apparatuses, in response to reception of a wireless signal by said plurality of base station apparatuses, said wireless signal being transmitted from one mobile device, wherein said plurality of base station apparatuses request said selection unit to change a destination of said information corresponding to said received signal from said mobile device to either said maximum ratio combining unit or said selection combining unit according to said change of said distribution state of said mobile device under communication.