Patent ID: 7573842

Claim:
A method for a network side to enable a Mobile Station System to enter an idle mode in a wireless metropolitan area network comprising: sending, by a Paging Agent/Serving Base Station, a Mobile Station System information request message to a Relay Paging Controller; recommending, by the Relay Paging Controller, an anchor Paging Controller/Location Register and paging parameters for the Mobile Station System in response to the Mobile Station System Information Request message; sending, by the Relay Paging Controller, a Mobile Station System Information Request message carrying the paging parameters to the anchor Paging Controller; sending, by the Paging Agent/Serving Base Station, a deregistration command message to the Mobile Station System: receiving, by the Paging Agent/Serving Base Station, a deregistration request message from the Mobile Station System indicating that the Mobile station System has entered the idle mode: sending, by the Paging Agent/Serving Base Station, a Data Path release request message requesting to release a data path of the Mobile Station System; and updating, by the anchor Paging Controller/Location Register, idle mode information of the Mobile Station System, after the Paging Agent/Serving Base Station receiving the deregistration request message.