The object of the present invention is to improve the accuracy of channel
estimation and increase downlink capacity when a base station transmits
an individual channel using directional beams. The base station 10
according to the present invention comprises an individual channel
transmitter 15 configured to transmit an individual channel into which
pilot symbols are inserted; and an individual channel format creator 14
configured to create a format of the individual channel. The individual
channel format creator 14 changes between a format of an individual
channel which is to be transmitted using directional beams and a format
of an individual channel which is to be transmitted using non-directional
beams.