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Connected cars, how to solve new network management problems


Relations between industry and telephony operators (ANSA)

One of the most important changes that the car has experienced in the last two decades is that of the 'connection', not only capable of bringing entertainment content to the car but also of opening doors such as remote diagnosis (2001), the calls of localized rescue (2003), data transmission (2007) and the possibility of creating real 4G hotspots on board (2014). The car is no longer, therefore, a mechanical vehicle that moves from point A to point B, but a virtual entity inserted in the network, a substitute for the smartphone, an assistant to advise us on the most convenient route and a 'mechanic' for us. available h24.

This revolution, industry experts note, is traveling at great speed and the arrival of 5G networks will complete the transformation, leading to ultra-connected cars that will be defined by software rather than hardware, vehicles that will transmit and receive huge quantities of data and that will speak to the infrastructures, the Cloud and any other means and users of the road. To concretize this new reality, the relationship between global car manufacturers and mobile operators will have to be changed (also radically), to overcome what could be - not only technologically - critical areas. According to Claes Herlitz, head of connected vehicles at Ericsson, roaming cannot be a long-term usable solution. Today's roaming solution was built for a single user traveling outside of their local network provider - Herlitz said - and not for fleets of ultra-connected vehicles that regularly travel highways over long distances. In this context, the roaming solution has many limitations, such as greater latency and large delays, up to 120 seconds, in connectivity when switching from one network to another ''. A possible solution could come from an alliance of operators, but the industry also has technology with integrated eSIM available for 'provisioning' (i.e. user enabling) in each local network. '' Both will help a car stay connected - reiterated Herlitz - when traveling through different countries without fear of losing connectivity and the services provided.

The diffusion of the SIM cards supplied with the car, however, is creating unforeseen problems: the network subscription is 'incorporated' in the car and the resale to new owners (which can occur several times in the life of the vehicle) requires the modification of the contracts . This is complex if the SIM is 'buried' inside the car, but the transition to eSIM - which allow digital provisioning, remotely manageable - will allow you to switch from one owner to another with minimal interruption, keeping the car always connected.

Finally, the problem of the cost of data downloaded during the so-called over-the-air updates. In ultra-connected vehicles, the amount of 'Giga' that flows between the machine, the cloud and the surrounding environment will increase significantly, as will the cost of data traffic.

'' Will consumers be willing to pay for routine software updates provided by the automaker - asked Herlitz - and on the contrary, would manufacturers be willing to pay for data intended for in-car entertainment? ''. To solve this challenge, experts say, there are two alternatives: a separate subscription for each individual service or a single subscription used by multiple connections. Multiple subscriptions can be active simultaneously when multiple services are needed - explained the Ericsson connected vehicle manager - so that commissions and costs are billed appropriately. With a single subscription it is necessary to use the traffic flow separation for a differentiated management of the service and thus obtain a similar attribution of the invoice costs to the appropriate part. Before Christmas, Ericsson announced a strategic agreement with Microsoft to develop solutions for future generations of connected cars. The sector's overall market, according to Markets and Markets analysts, is expected to move from the current $ 42.6 billion (2019 data) to $ 212.7 billion in 2027.

Source: ansa

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