Patent ID: 9154998
Filing Date: 2015-10-06
Classification: H04L,H04W

Abstract:
1. A method for improving Quality of Service, the method comprising: when a resource of an access network is changed, receiving, by an application network, resource information sent by the access network, wherein the resource information indicates a current resource status of the access network; adjusting, by the application network, a service request related to a current service according to the resource information and sending the adjusted service request to the access network; or negotiating, by the application network, a service parameter related to a current service with a User Equipment (UE) according to the resource information, so that the UE modifies the service parameter related to the current service according to a result of the negotiation; wherein the application network is an IP Multimedia Subsystem (IMS); and receiving, by the application network, the resource information sent by the access network comprises: receiving, by a Proxy-Call Session Control Function (P-CSCF) entity in the IMS, the resource information sent by a Policy and Charging Rules Function (PCRF) entity.