LG Innotek enables smartphone to become a car key

LG Innotek enables smartphone to become a car key

Technology News |
By Jean-Pierre Joosting

LG Innotek has developed a digital car key module that is installed in a car to enable wireless data transmission between a car and a smartphone, allowing users to open or lock the car door or start the engine using a smartphone. A driver can use his/her smartphone to oversee the vehicle conditions, including driving distance, fuel efficiency, tire pressure, etc., at a glance as well as control the vehicle.

Users can lend the digital key to another person or allow only specific functions, such as opening or closing the trunk, using a smartphone app. Users don’t need to carry a physical key, reducing the risk of losing the key. Further, the smartphone must be inside the car to drive it, reducing the risk of car theft.

As the car sharing and rental services have grown recently, the demand for a digital car key module has increased every year. But the existing digital car key modules had low location detection precision and concerns for low security as they were prone to hacking, etc.

The digital car key module that LG Innotek developed uses the ultra-wideband (UWB) technology, which is a wireless LAN communication technology, and a proprietary algorithm, improving the location detection precision. In addition, the module has increased the security by applying a proprietary hacking prevention technology.

The digital car key module can detect the location of a smartphone five times more precisely than the existing key modules. The module’s error range between the actual smartphone’s location and the recognition location has been reduced from 50 cm (19.7 inches) to under 10 cm (3.9 inches).

To achieve this, LG Innotek used the ultra-wideband technology with better precision for distance and direction than the Bluetooth low energy (BLE) technology. In addition, for the module, LG Innotek used its proprietary design technology for a wireless communication antenna and its proprietary location measurement algorithm.

The more precisely a digital car key module detects the location of a smartphone, the more diverse and more convenient functions can be implemented. The digital car key module can detect the smartphone location and open the driver’s seat door in advance or start the engine automatically.

In addition, it can provide a driver with personalized driving environment. When several people use the same car, the module can recognize the smartphone location and set the driver’s seat or side-view mirrors automatically for the corresponding driver. When several people with the same digital car key get on the vehicle, the module can detect the person on the driver’s seat accurately.

Enhanced security includes a proprietary hacking prevention technology that prevents electromagnetic interference and tampering of communication between vehicle and smartphone. This drastically reduces the possibility of car theft due to the loss of smartphone or digital key hacking.

With all these functions, the digital car key module is compact and slim. The module, with the size of a single clip thanks to the ultra-precision high integration technology, contains about 60 components including the RF and power block elements. With its compact size, it can be freely installed anywhere inside and outside the vehicle.

The module complies with the latest standards of the Car Connectivity Consortium, a global digital key standardization organization, allowing it to be used regardless of country, terrain, and vehicle type. LG Innotek is a core member of this organization and actively participates in the standardization of a digital car key in cooperation with major global companies in the industry.

With the digital car key module, LG Innotek plans to actively make inroads into the market for next-generation communication components. The company is actively running promotions targeting global manufacturers of vehicles and vehicle components in the US, Japan, and Europe as well as in Korea with the aim of mass-producing the product by 2020.

Insoo Ryu, the Head of Automotive Components and Electronics Business Division, says, “It will be possible to implement various mobility services using the digital car key module to enhance customer value.” He adds, “We will continue to release innovative automotive components that can provide drivers with convenient, safe, and enjoyable driving experience.”

According to Strategic Analytics, a global market research institution, the number of vehicles with a digital key in the global market will increase by 360% from 6.3 million units in 2020 to 28.9 million units in 2025.


Further reading

5G AutoAir network to get major upgrades
UL Ventures invests in connected car software technology
NetModule and u-blox in automotive telematics partnership
Radar sensors and antenna startup closes $7M in investment
Partnership enables live and simulated testing of vehicle SIM cards

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