What is Central Gateway Module and Its Significance in Automotive World

Introduction

In the early days, vehicle makers used single wires to connect the switches and actuators like wipers, speedometers, and lights. In present-day vehicles, communication network complexity has increased manifold due to the need for Advance Driver Assistance Functions (ADAS), data transfer, safety, security, and compliance requirements. Automotive protocols/interfaces in the form of CAN, LIN, FlexRay, and Automotive Ethernet have been designed to support high-rate data transfer between a multitude of sensors and actuators.

Central Gateway Module

The communication/data transfer between all the automotive protocols and the communication/data transfer between the vehicle and the cloud has to be managed by a central authority. This is where the central gateway functionality comes into the picture.

A central gateway is a hub that interconnects and transfers data across the many different networks found in vehicles in a secure, reliable, and dependable manner. It is supposed to provide physical isolation between different ECUs (controlling various sensors and actuators) and protocol portability/translation to route signals between functional domains in a vehicle (e.g. powertrain, chassis and safety, body control, infotainment, telematics, ADAS) that share data. In short, the Central Gateway acts as a router and enables communication between multi-protocol and connected services.

Capability Expectations from the Central Gateway Modules

The humongous computational and data exchange requirements of multimedia applications and advanced driver assistance systems (ADAS) require computationally powerful and secure central gateways. With the growing need for reliability, security, and interface of multiple sensors and actuators, the internal system architectures of the future Central Gateways will become more complex as they will require multiple cores and large internal/external memories for processing the data.

Know More@ https://www.einfochips.com/blog/what-is-central-gateway-module-and-its-significance-in-automotive-world/

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