Dynamic DHCP for Wi-Fi connectivity in a vehicle

摘要

A system and a method using the system for wireless communication using a vehicle telematics unit, including the steps of: prior to a vehicle telematics unit establishing a network connection, assigning a temporary internet protocol (IP) address having a short-term lease duration to a mobile device to permit communication between the telematics unit and the mobile device; and if the network connection is not established prior to the expiration of the short-term lease duration, renewing the temporary IP address, wherein the renewal lease duration is shorter than the earlier lease duration.

主权项

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.