Patent ID: 9426653
Filing Date: 2016-08-23
CPC Classification: G07C,H04L,H04W

Claim Text:
1. A method comprising: receiving at a computer server, a request from a mobile device to attach to a private cell phone wireless network utilizing an encrypted subscriber identifier, an encrypted equipment identifier, and an encryption key; determining via the computer server if the subscriber identifier is in a security database; determining via the computer server if the equipment identifier is in the security database; estimating whether a mobile device is located approximately within a remote monitoring and control system boundary utilizing timing offsets between the mobile device and a cell tower of the cell phone wireless network; authenticating via the computer server the mobile device using the subscriber identifier and the equipment identifier, wherein authenticating includes sharing the encryption key between the mobile device and the server to validate both the server and the mobile device as authorized; granting access to the private cell phone wireless network only if the subscriber identifier is found in the security database, the equipment identifier is found in the security database, the mobile device is located approximately within the remote monitoring and control system boundary, and the mobile device is authenticated, otherwise access to the private cell phone wireless network is rejected; and