Method and apparatus for sending and receiving multi-carrier information in multi-carrier communication system

A method for transceiving multi-carrier information in a communication system supporting a multi-carrier, the method comprising:

• performing a capability negotiation with respect to whether or not to support the multicarrier through a network entry with a base station;
• receiving a broadcast message from the base station, the broadcast message including multicarrier configuration information supported by the base station;
• sending to the base station a multicarrier request message including carrier information, the carrier that the terminal is able to support according to the terminal capability or prefers, of the received multicarrier configuration information;
• and
• receiving from the base station a response message to the multicarrier request message, the response message including carrier allocation information including a primary carrier and a secondary carrier allocated to the terminal.