A radio communication system of this invention includes: terminals for
sending a connection request through broadcast, detecting a reception
condition when a connection request echo sent back is received as a
terminal reception condition and sending it through broadcast; plural
repeaters for detecting a reception condition when the connection request
is received as a repeater reception condition, sending a connection
request echo including this repeater reception condition and sending back
a terminal reception condition echo to a master repeater when it receives
a terminal reception condition; and a master repeater for when receiving
the connection request echo and terminal reception condition, selecting a
repeater securing an optimum communication state based on the repeater
reception condition and terminal reception condition.
