Rolling Wireless provides a wide range of smart services built on top of the Legato platform. These ready-to-use applications are designed to address common telematics use cases.
All our applications are flexible and easily customised to fit your specific requirements. They are fully validated, and continuously maintained and updated to meet changing regulatory and industry standards.
Rolling Wireless offers these services as additional value-added features on top of the standard Legato services and APIs.
eCall Ready IVS Service
The high-availability Legato eCall IVS application is designed to meet eCall requirements for regions with mandatory emergency call regulations. These include the pan-European eCall service, ERA-GLONASS in Russia, as well as upcoming mandates in Japan, China, USA, and other countries.
This application implements the complete state machine for an eCall IVS application, including voice prompt playback, redial timers, call resume, etc.
The application is validated and pre-certified using the same test equipment, scripts, and methods as those used for vehicle-level eCall certifications. Rolling Wireless will provide support throughout the certification process to ensure quick completion.
This application can be customized and extended to meet most customers’ private eCall (CAN call) implementation. Rolling Wireless will also update the application to add support for NG-eCall on supported modules as soon as the regulatory requirements are available.
As an additional option, Rolling Wireless also offers a comprehensive audio tuning service to meet the stringent eCall audio quality requirements at the vehicle level.
eCall IVS diagram
With the integration of Wi-Fi, Bluetooth and cellular modules in most TCUs, in-vehicle connectivity options have multiplied. Rolling Wireless offers a smart service to ensure reliable, optimised connectivity at all times.
The Network Manager application monitors available networks and provides smart switching between the connections to optimise for your desired KPIs. The application can monitor multiple cellular networks (if the TCU is equipped with multiple SIMs); available Radio Access Technologies (RATs) like 3G, 4G and 5G; as well as Wi-Fi and Bluetooth networks.
Multiple parameters can be tuned to address different use cases. Examples include:
Highest available speed
Minimum power consumption
Network Manager diagram
This service monitors the health of the NAD as well as the TCU to ensure that both systems can meet the expected lifetime of the device.
The application can monitor several environmental parameters, such as the temperature of the NAD, PA’s, PMIC, etc. as well as monitoring the memory read/write and CPU usage to detect and prevent unexpected behavior.
The application can either do passive monitoring and generate alerts, or take corrective action to reduce permanent harm to the device by managing the mission profile configured over the air.
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