Patent ID: 9648491
Date: 2017-05-09
CPC Classifications: H04W

Claim:
1. A method, adopted by a wireless device to select an active subscriber identity module (SIM) from a plurality of SIMs which provide for packet switched (PS) data services, the method comprising: acquiring SIM information associated with each SIM which provides for the PS data service; calculating a SIM score of each SIM based on the acquired SIM information associated with each SIM; and selecting the active SIM based on all SIM scores to provide for the PS data service, wherein the SIM score is determined according to a priority assigned to the SIM and a data speed corresponding to the SIM, wherein the SIM score comprises an active SIM score and an inactive SIM score, wherein the active score is determined according to the priority assigned to the SIM, and a sum of a highest data speed corresponding to the SIM and a current data speed of the SIM, and the inactive SIM score is determined according to the priority assigned to the SIM, and the highest data corresponding to the SIM.