Systems and methods for optimizing network registration for all SIMs of a multi-SIM device using criticality-based prioritization schemes

US9307512B2 · kind B2 · utility

Assignee

• QUALCOMM Incorporated · US

Inventors

• Shivank Nayak · San Jose, US
• Ajeet Kumar · Hyderabad, IN
• Shilpa Nagpal · Rajpura, IN
• Rajesh Madhukar Patil · Hyderabad, IN
• Venugopal Krishna Srinivasa Srungaram · Hyderabad, IN
• Ravi Kanth Kotreka · Hyderabad, IN

Key dates

• Filing date: Apr 7, 2014
• Grant date: Apr 5, 2016
• Expiry date: Jun 7, 2034

Classification

• Technology area (CPC H): Electricity
• CPC primary: H04W88/02
• WIPO field: Digital communication
• WIPO sector: Electrical engineering

Abstract

Methods and devices are disclosed for enabling efficient network registration using a shared radio resource for at least a first and second SIM of a multi-SIM wireless communication device. After the end of a radio-off condition of the radio resource, the wireless device may identify services supported by each of the first and second SIMs, evaluate criticality of the supported services, determine which of the first and second SIM supports the service having the highest criticality, and prevent the other SIM from registering with its network before the SIM with the service of the highest criticality has successfully registered for service in its selected network.