Patent ID: 9363633
Filing Date: 2016-06-07
CPC Classification: G01S,H04W

Claim Text:
1. An apparatus, comprising: at least a first SIM module configured to access a first wireless carrier and a second SIM module configured to access a second wireless carrier; at least one RF modem configured to communicate with the first and second wireless carriers; at least one global navigation satellite system (GNSS) receiver, receiving a GNSS clock signal from the satellite system; at least one processor; at least one memory including computer program code; the at least one memory and the computer program code configured to, with the at least one processor, cause the apparatus at least to: cause first assisted GNSS wireless signals to be received by the at least one RF modem from the first wireless carrier using the first SIM module; cause second assisted GNSS wireless signals to be received by the at least one RF modem from the second wireless carrier using the second SIM module; and cause the at least one RF modem to periodically switch between using the first SIM module and using the second SIM module to periodically switch between receiving first assisted GNSS wireless signals from the first carrier or receiving second assisted GNSS wireless signals from the second carrier, by using the GNSS clock signal as a time base for switching between the first SIM module and the second SIM module.