Patent ID: 9414397
Filing Date: 2016-08-09
CPC Classification: H04W

Claim Text:
1. A method to wirelessly connect to at least one base station at a multi-SIM communication device, wherein the multi-SIM communication device comprises a plurality of SIM card interfaces and a plurality of RF units, comprising the steps of: scanning for base stations using a first RF unit; observing received signal quality using the first RF unit; transmitting data packets based in part on the received signal quality through at least one of the plurality of RF units; selecting a first base station based in part on the received quality for the first base station; when a second RF unit is not available, making the second RF unit available by disconnecting a wireless connection that the second RF unit has established; establishing a wireless connection with the first base station using the second RF unit before performing the step of transmitting data packets; wherein the received signal quality for the first base station is above a threshold; and wherein the second RF unit is one of the at least one of the plurality of RF units.