UWB powered Car Key

UWB powered Car Key

Enhance automotive customer experience with location service and improve security against cyber attacks


4 min read


As technology continues to evolve, it has transformed the way we interact with the world around us. One area that has been revolutionized is the automotive industry. Today, cars come equipped with sophisticated systems that enhance the driving experience and make it more convenient. One such system is the UWB-enabled car key, which is gaining popularity in the market. In this blog post, we will explore the importance of the Ultra-wideband application in car keys and how it enhances accuracy, reliability, and security. We will also discuss how UWB solves the relay attack in car key applications, how multiple applications can be unlocked using a UWB-enabled car key, and the promising future of UWB-enabled automotive applications.

One-Dimensional UWB Application:

UWB (Ultra-Wideband) technology is a wireless communication technology that uses short-range, high-bandwidth signals to transmit data over a wide frequency range. One-dimensional UWB application is particularly useful in automotive applications as it provides accurate and reliable location data. UWB is ideal for tracking objects in real time, and it can provide positioning accuracy down to a few centimeters. This makes it an ideal choice for car keys, as it ensures that the car can be accessed only by authorized users.

Accuracy, Reliability, and Security Enhancements:

UWB-enabled car keys provide a high degree of accuracy, reliability, and security. With UWB, car keys can be located with pinpoint accuracy, which ensures that only authorized users can access the vehicle. This feature also enhances security, as it prevents unauthorized access to the car. In addition, UWB is a secure technology that uses encryption to protect data transmission. This means that UWB-enabled car keys are less vulnerable to hacking and other cyber attacks.

Solving Relay Attacks in Car Key Applications:

One of the biggest challenges in car key applications is the relay attack, where a hacker uses a relay device to intercept the signals between the car key and the car. This allows the hacker to access the car without the key, which can lead to theft or other security breaches. UWB technology solves this problem by using time-of-flight measurements to verify the distance between the car key and the car. This ensures that the signals are transmitted only over a short range and cannot be intercepted by a relay device.

Secure Transactions

You can’t hack time and UWB uses the time of flight (ToF) to calculate the precise location of a device. The distance-bounding communication technique defined by the IEEE standard provides a level of security that makes it extremely difficult to hack. In the automotive industry, key fobs using UWB technology create a secure communication and distance measurement that deters car theft. By using different location measuring topologies and security measures per the IEEE standard, UWB technology can prevent relay attacks and thefts. A UWB-enabled key fob uses your precise location, meaning you must be physically near your vehicle to unlock it

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Unlocking Multiple Applications Using UWB Enabled Car Key:

Another advantage of UWB-enabled car keys is that they can unlock multiple applications. For example, a UWB-enabled car key can be used to unlock the car, start the engine, and even pay for parking. This makes the car key a versatile tool that can be used for various applications.

Promising Future of UWB-Enabled Automotive Applications:

As UWB technology continues to evolve, it is likely to become an integral part of the automotive industry. UWB-enabled car keys are just the beginning, as UWB can be used for a wide range of applications, including collision avoidance systems, lane departure warnings, parking assistance and autonomous driving. With UWB, the automotive industry can develop safer, more efficient, and more secure vehicles that provide a better driving experience for users. In addition, UWB can also be used to enable new services, such as personalized marketing messages and location-based services. Overall, the future of UWB-enabled automotive applications is promising, and we can expect to see more innovations in this space in the coming years.

With its high level of accuracy, reliability, and security, UWB technology is the best choice for car manufacturers looking to develop next-generation automotive applications.

Locus RTLS is at the forefront of this technology, providing customers with cutting-edge solutions that are tailored to their specific needs. With its expertise in UWB technology and its commitment to customer satisfaction, Locus RTLS is the ideal partner for any company looking to take advantage of the many benefits that UWB has to offer.