Patent ID: 8437367

Claim:
A method of upgrading quality of a connection for data transmission, the method performed by an electronic device and comprising: displaying at least one upgradable connection of the electronic device when an available bandwidth for the data transmission is increased; receiving, a user input via a user interface to select one or more of the displayed at least one upgradable connection; and upgrading a transmission quality of the selected one or more of the displayed at least one upgradable connection according to the increased available bandwidth, wherein the at least one upgradable connection is determined based on traffic descriptor information and policy information corresponding the traffic descriptor information, wherein the traffic descriptor information includes at least an available data rate list, an activated data rate, and information indicating whether transmission quality is changeable, wherein the activated data rate indicates a specific data rate from the available data rate list that is used for the at least one upgradable connection, and wherein the policy information indicates priority information of the at least one upgradable connection.