Smart door locks ready for billions of private homes


The vision of Smart Home Access is to bring existing mechanical locking systems to the next level enabling smart life solutions. Today, smart card based access systems are in use by many enterprises, governmental institutions, hotels and campuses worldwide. In a joint effort, partners of NXP have transformed these solutions into optimized offerings for private homes, where mechanical keys are still dominant. In a worldwide field test these solutions have been implemented and assessed. In addition to smart cards or key fobs, NFC phones offer the opportunity to conveniently manage access rights and replace the need to carry keys altogether. A survey demonstrated that the systems are easy to implement, reliable and enable secure and flexible solutions.

Insights from NXP´s home access trial
A group of over 50 employees from NXP Semiconductors volunteered to use MIFARE enabled smart door locks replacing their traditional mechanical locking systems in their private homes. In over ten countries all over the world the employees, their partners and families are using the smart access solutions every day. The physical installation as well as the programming of the lock was done by the candidates themselves. A survey showed that more than 80% of the participants managed the physical integration without any difficulties. Many  employees confirmed that they would rather forget their keys than their smart phones.

Smart Solution for private doors
The replacement of mechanical lock was done seamlessly, without any additional wiring using lithium battery powered cylinders. The participants had the choice to use MIFARE DESFire EV1 based key fobs or their NFC smart phones to open the doors. Advanced systems enable flexible access right management e.g. enabling time restricted access for craftsmen or cleaners.

The solution offer clear advantages: Over 85% of the participants indicated that opening a door with a digital key is at least as intuitive as a using a traditional metal key. The locking and unlocking procedure is faster and more convenient by just presenting the credential to the door lock.

“It is a huge challenge to the change the world’s preference for home access from mechanical to smart solutions”, says Rainer Lutz, Senior Global Marketing Manager Access Management at NXP. “The close cooperation with a strong set of partners, the first-hand experience with a large group users and the wealth of possibilities enabled by the innovative solutions gives us great confidence that we are rapidly moving forward towards mass adoption of smart life solutions with an expanding group of partners.“

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