Patent ID: 8489106

Claim:
A method for providing a quality of service assurance in a wireless communication system, comprising: defining lossless relocation indication information in the wireless communication system, wherein the lossless relocation indication information comprises an indicator for indicating a target object of the lossless relocation and a sequence number necessary to be transferred for the lossless relocation, wherein the lossless relocation indication information indicates an approach to achieve lossless relocation and a level of lossless-ness, wherein the lossless relocation indication information is applicable by operators to plan physical connectivity distribution and performance requirement according to move region and a number of users subscribing to the lossless relocation; receiving the lossless relocation indication information from an Authentication Authorization Accounting (AAA) server; transferring the lossless relocation indication information between entities in the wireless communication system; and providing a quality of service equal to or higher than that which is defined by the lossless relocation indication information.