Patent ID: 8289897

Claim:
A method of processing Open state at an access terminal in a wireless communication system, comprising: receiving a Control Channel and a Forward Traffic Channel; requesting a MultipleInputMultipleOutput (MIMO) mode on the Forward Traffic Channel by sending a MIMORequest message; monitoring overhead messages; determining that the access terminal has received a ConnectionClose message from an access network of the wireless communication system; generating a RegistrationRadiusUpdated indication accompanied by the RegistrationRadiusFlag contained in the ConnectionClose message, wherein the RegistrationRadiusUpdated indication comprises an indication of an update of a RegistrationRadiusFlag, and wherein the RegistrationRadiusFlag comprises data to indicate an idle state registration procedure at the access terminal; sending a ConnectionClose message with CloseReason set CloseReply; returning a ConncectionClosed indication; transitioning to an Inactive State; and monitoring the Control Channel for a duration after sending the ConnectionClose message, to facilitate receipt of an unicast message from the access network, wherein the unicast message comprises one of a Page message or an ActiveSetAssignment message.