The key to semiconductor technology in achieving mobility in metropolitan transportation

Abstract: In the world's megacities, transportation infrastructure often seems to collapse at any time due to explosive population growth. Congested roads, traffic noise and other stresses are part of everyday urban life, so intelligent traffic management is a must to ensure future mobility. Semiconductors are the key to promoting simple, safe and convenient mobility in the world's megacities. NXP's smart car keys, NFC, telematics systems and automotive intelligent transportation system platforms enable applications to simplify and improve urban mobility. In this vision of Connected Mobi ty, cars are no longer a symbol of the traditional status of the past, nor a means of transportation for a single individual, but an important part of the Internet of Things, while Asian megacities have The role of the leader.

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In the world's megacities, transportation infrastructure often seems to collapse at any time due to explosive population growth. Stresses such as crowded roads, traffic noise, and the risk of accidents are all part of our daily urban life. In such crowded urban areas, intelligent traffic management is a must to ensure future mobility. The chip design of NXP Automotive Solutions is designed to optimize the road traffic needs of future metropolitan areas.

Despite the many double-deck, multi-lane highways in Shanghai and Beijing, hours of traffic congestion are the norm in everyday life in cities with a population of one million. About 10,000 newly registered vehicles are added to the array every week. At the same time, urbanites are on the verge of suffocation because of the air pollution they produce. Ironically, the more people become on the road, the slower they get to their destination. As a result, metropolitan areas around the world are looking for sustainable infrastructure and mobility concepts.

Many city authorities in Asia have recognized that building more roads, tunnels or flyovers in the long run does not alleviate daily traffic loads. More and more governments are beginning to take adjustment measures, such as setting up road toll stations to control traffic, high license plate registration fees, or restricting access to the city center according to vehicle license numbers. The above attempts to alleviate increasing congestion have had varying degrees of effectiveness, and municipalities have begun to work with industry to establish efficient traffic management systems for private and public transportation.

1 vehicles that will see and think

Smart cars can solve today's traffic problems. A car with "thinking" ability seems to be able to unload the burden of the driver, and then a certain degree of control of the steering wheel J to determine the route to go; for example, choose the correct route or energy-saving driving mode. In the future, such a car will be able to really control the steering wheel J just like the literal meaning of r. Such intelligent technology is implemented by a vehicle network and a wireless network that extends to the infrastructure. Semiconductor manufacturer NXP is a leader in automotive electronics interfaces and has developed technologies for telematics and intelligent transportation systems (ITS).

NXP's automotive telematics platform (ATOP) and IEEE802.1 1P CarITS platform enable cars to interact and exchange information with their environment, including car-to-car and vehicle-to-infrastructure communications.

This network solution allows traffic lights and vehicles to "talk" to each other and regulate traffic flow. Traffic lights will tell the driver how many speeds to drive to reduce the number of times the red light must be stopped. The system will proactively provide traffic obstacles on the road, such as construction sites, traffic jams or other dangerous points, so that the driver can adjust his route. Telematics and vehicle-to-vehicle traffic management systems give priority to public transport vehicles, enabling them to maintain good on-time arrival times and shift schedules. This improved flow rate not only allows you to reach your destination faster, but also has a positive effect on controlling city carbon emissions.

2 Reduce fuel consumption through smart driving

Such field trials have been conducted around the world. Big cities in Asia have been testing ATOP solutions since 2010.

By adopting such a telematics system, our goal is to make the vehicles passing through the city reach the destination faster by using a telematics system. To some extent, this approach is also better for the environment. Vehicles can analyze real-time road conditions or traffic conditions, and drivers can choose the fastest route to save fuel and reduce emissions.

In Europe, there is already a field trial fee system based on telematics and using NXP's ATOP solution, which is being field tested. The GPS receiver determines the location of the vehicle, while the GPRS through the mobile communication network continuously sends the mileage to the computer's back-end computer infrastructure through ATOP. In this way, the charge can be calculated with the exact distance actually used. This method of charging by distance is a substitute for the traditional method of vehicle charging, which is more fair to every consumer. In addition, different fees can be charged during busy hours and heavily congested areas.

In the field test results in the Netherlands, drivers can use this to optimize their route, avoid peak hours and road sections, and choose cheaper alternative roads. It is currently calculated that this method can reduce traffic congestion by more than 50%.

Telematics systems have gained a lot of positive experience and feedback, so Asian megacities are now evaluating how to improve road toll systems. With the support of satellites, tolls can be levied according to the route, traffic volume and time of use. The toll collection is no longer a functional function of the destination. This allows the driver to plan their route more efficiently while benefiting from lower fees.

3 E-ticketing simplifies local traffic

In China's megacities, public transport agencies such as Beijing, Shanghai and Hong Kong are also looking for advanced chip systems for commuters around the day to improve congestion at traffic spikes. For example, pay for fares using RFID or Near Field Communication (NFC). Using the electronic ticket system, passengers can purchase virtual tickets by using a transportation card or mobile phone without having to queue up to buy tickets. An NFC chip integrated into a mobile phone is used for this purpose. These electronic chips are capable of safely transferring data to readers that are short distances of a few centimeters. At the beginning and end of the ride, users can use their mobile phones to complete automatic payments at the terminal reader according to the distance traveled. Due to the universality of mobile phones, this simple and non-cash payment method is currently used for parking tickets or various tickets.

China uses an electronic ticketing system in its 130 major cities and is a leader in contactless payments for mobile phones. More and more German transportation authorities are also adopting such use cases and starting pilot projects to test NFC technology, such as the Rhine-Main and Rhine-Ruhr (Rhine-Ruhr) public Urban agglomeration of transportation networks.

4 future mobile 憧憬

Mobile electronic ticketing is only the first step in the new future of transportation.

From a technical point of view, it is feasible to combine an ID card, a driver's license, a credit card, and a family, car, or hotel key in an electronic device on a mobile phone. This shapes the concept of urban transport, and it is conceivable that the mobile phone is a highly integrated integrated communication platform that is best suited to assist in the selection of the best mode of transportation. Use the mobile navigation function to select a destination, and depending on the traffic situation, choose public transportation, taxi or rental car as the way to arrive. Mobile phones can also be used as a tool for paying for car tickets and taxi fares, and can even be used to open the doors of commonly rented cars. The mobile phone makes it easy for the driver to authenticate and charge by distance.

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