Patent ID: 9584470
Date: 2017-02-28
CPC Classifications: H04L,H04W

Claim:
1. A method of wireless communication using a vehicle telematics unit, comprising the steps of: (a1) attempting at the vehicle telematics unit to establish a cellular connection with a wireless carrier system; (a2) assigning an internet protocol (IP) address to a mobile device via a short range wireless communication (SRWC) link, wherein the IP address has a lease of a first short-term duration; and (b) when, following steps (a1) and (a2), the telematics unit has not established the cellular connection at an expiration of the lease, then renewing the lease based on an absence of an established cellular connection between the telematics unit and the wireless carrier system, wherein the renewed lease has a second short-term duration which is shorter than the first short-term duration.