LTE telematics module drives on integration

01 April 2014

Continental predicts connected vehicles will be a part of the Internet of everything and will communicate with other cars and the cloud.

Its new generation telematics offers up to 100Mbit/s bandwidth where the 4G LTE mobile network standard is available. It can be used worldwide, due to integration of configurable frequency variants, interchangeable options for air interface solutions, GPS/GLONASS, and WLAN, says the company.

One of the biggest advantages is the bandwidth capability of LTE: compared to previous 3G technologies, 4G LTE finally brings the bandwidth for many innovative features in the vehicle. Bandwidth is a prerequisite for the best real-time experience when using HTML 5 apps and dynamic content, on-line location-based services, low-latency Vehicle-to-X (V2X) and Vehicle-to-Infrastructure-to-Vehicle (V2I2V) communications, fast media streaming and map updates, plus personalized cloud services and mobile office connectivity.

Applicable Telematics functions include connecting a smartphone to the vehicle, on- and off-board navigation, safety and security services such as advanced automatic collision notification or remote diagnostics, premium assistance on the road, WiFi hotspot for rear seat entertainment and business productivity, and apps.

The product architecture addresses multiple cellular technologies, including LTE, HSPA, EVDO, GSM, and CDMA. For worldwide use, the national frequency variants in the US, Europe, Russia, China, Brazil, and many other countries are supported. The module also offers premium speech and hands-free technologies. Consumer device connectivity options include WiFi, Bluetooth, and USB. To interface with the vehicle, many automotive bus standards such as MOST, CAN, LIN, Ethernet, USB, and WiFi are supported. It has configurable RAM and flash memory to support a range of applications.

The module is integrated on a small PCB which has the chipset – including the application IC – plus RAM/flash within a form factor of 35x40mm. Frequency variations, WiFi, and RAM/flash can be configured to the application, and cellular chips with identical footprint are available in multiple variants to cover all major cellular technologies, says the company.

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