| 摘要 |
PROBLEM TO BE SOLVED: To reliably allocate a connectable channel by causing a base station to transmit plural channel candidates to a mobile station when the base station allocates a channel, and causing the mobile station to select a channel to use for communication from among the channel candidates.SOLUTION: In response to a connection request from a mobile station 110, a base station 120 transmits plural channels as allocation candidates to the mobile station 110 as an allocation message. When receiving the allocation message, the mobile station 110 performs carrier sensing of channels included in the allocation message to check propriety of connection and performs radio connection with the base station 120 on a channel selected on the basis of the result of the check. |
