Patent ID: 7003325

Claim:
A mobile communication system comprising a plurality of slave units spaced from each other in a predetermined area and configured to radio-receive respective signals from a mobile station, and a master unit configured to combine the signals received by the respective slave units and transmit a resultant signal thereof to a base station, the mobile communication system comprising: attenuating means for attenuating each of the signals from the slave units by a combination of attenuation factors set for the respective slave units and allowing the attenuated signals to be combined into the resultant signal; attenuation factor changing means for changing the combination of attenuation factors on the basis of a predetermined rule; power measuring means for measuring information about a power of the resultant signal under each combination of attenuation factors thus changed; and mobile station location estimating means for estimating a location of the mobile station on the basis of change of the information about the power occurring with change in the combination of attenuation factors.