Patent ID: 7003321

Claim:
A mobile communication system including a plurality of base stations, a control station which controls said base stations, and switching apparatuses each of which is a part of one of said base station or said control station, wherein said switching apparatuses are connected with each other by a wireless circuit or an optical fiber circuit, said switching apparatus in a sending side comprising: a modulation part configured to modulate a first signal into a second signal of a unified transmission form; a first switching part configured to switch an output destination of said second signal from said modulation part according to a sending destination of said second signal; and a wireless signal transmission part configured to send said second signal from said first switching part to a base station or a control station in a receiving side via a wireless circuit; an optical signal transmission part configured to send said second signal from said first switching part to a base station or a control station in a receiving side via an optical fiber circuit, said switching apparatus in a receiving side comprising: a wireless signal receiving part configured to receive a third signal via a wireless circuit; an optical signal receiving part configured to receive a third signal via an optical fiber circuit; and a demodulation part configured to demodulating said third signal.