US Patent No. 10,172,136


Patent No. 10,172,136
Issue Date January 01, 2019
Title Method And Apparatus For Stabilizing Wireless Wan Interface
Inventorship Shivaji Diwane, Pleasanton, CA (US)
Keith Neil Mark Dsouza, South San Francisco, CA (US)
Rahul Dasgupta, San Jose, CA (US)
Assignee Cisco Technology, Inc., San Jose, CA (US)

Claim of US Patent No. 10,172,136

12. A system for controlling a wireless wide area network (WWAN) modem configured to attach to at least one cellular network, the system comprising:at least one memory configured to store computer-executable instructions; and
at least one processor coupled to the at least one memory and configured, when executing the computer-executable instructions, to:
querying the modem in a plurality of instances, wherein each instance of the plurality of instances comprises:
determine values for a plurality of variables that describe an operational state of the modem relative to the at least one cellular network; and
increment a counter responsive to determining that the determined values satisfy a predefined first set of criteria, wherein satisfying the predefined first set of criteria indicates an impending failure of the modem; and
responsive to the value of the counter reaching a predefined number of instances that is greater than one, automatically perform a first action on the modem that comprises temporarily disrupting provision of power to the modem.