Method for performing zone switching in broadband wireless access system

A mobile station configured to communicate in accordance with a first protocol and a second protocol, and to perform zone switch, the mobile station comprising:

• a reception module;
• a transmission module;
• and
• a processor operatively connected to the transmission and reception modules,
• wherein the processor is configured to receive, from a target base station configured to operate in accordance with the first and the second protocol, a ranging response message including zone switch parameters used to perform zone switch from a first zone of the target base station corresponding to the first protocol to a second zone of the target base station corresponding to the second protocol, and to perform the zone switch from the first zone to the second zone using the zone switch parameters.