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METHOD FOR PERFORMING ZONE SWITCHING IN BROADBAND WIRELESS ACCESS SYSTEM

  • US 20100172325A1
  • Filed: 01/07/2010
  • Published: 07/08/2010
  • Est. Priority Date: 01/07/2009
  • Status: Active Grant
First Claim
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1. A method, by a mobile station capable of communicating in accordance with a first protocol and a second protocol, of performing handover and zone switching from a serving base station configured to operate only in accordance with the first protocol to a target base station configured to operate in accordance with the first and the second protocol, the method comprising:

  • receiving, in the mobile station and from the target base station, a ranging response message including a zone switching type/length/value (TLV) parameter used to perform zone switching from a mobile station support zone of the target base station corresponding to the first protocol (LZone) to a mobile station support zone of the target base station corresponding to the second protocol (MZone); and

    transmitting, from the mobile station to the target base station, a request for bandwidth for transmitting a ranging request to the MZone using the zone switching TLV parameter.

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