UWB fine-ranging chipset to allow broad deployment in mobile devices

UWB fine-ranging chipset to allow broad deployment in mobile devices
NXP Semiconductors' SR100T achieves precise positioning performance for next-generation UWB-enabled mobile devices. (NXP Semiconductors)

NXP Semiconductors N.V. has announced its secure fine ranging chipset, SR100T, to achieve precise positioning performance for next-generation UWB-enabled mobile devices. The SR100T enables mobile devices to communicate with connected doors, points of entry, and cars to open them once approaching. The chip enables lights, audio speakers, and any other connected device with UWB sensing capability to follow users from one room to another.

The chipset amplifies and builds on NXP’s connectivity, mobile ecosystem expertise, and proven security architecture found in mobile payment-enabled devices featuring NFC and SE hardware. Adding UWB capabilities brings a new level of connectivity for relative positioning among multiple devices, whether indoor or outdoor, with little to no interference. Additionally, the UWB implementation delivers high accuracy, even in crowded, multipath signal environments with numerous walls, people, and other obstacles.

The technology also uses angle-of-arrival (AoA) technology to accurately indicate the direction of a signal for added precision.

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RELATED:  NXP and VW show off concept car with UWB for security and safety

“UWB technology is one of the most highly anticipated developments in connectivity, and NXP is the first out of the gate to bring seamless, interoperable experiences with an all-in-one solution for mobile devices,” said Rafael Sotomayor, senior vice president of Mobile, in a statement. “The SR100T is an evolution of our secure connected offerings and is designed to complement existing standards like Bluetooth and Wi-Fi. This is a major step forward in allowing developers to deliver ubiquitous UWB experiences to people around the globe.”

The chipset has a 6 to 9 GHz frequency range with 500 MHz bandwidth per channel. Range accuracy in non-line-of-sight (nLOS) is ±10 cm with angle accuracy (LoS) of ±3°. The chipset has integrated security and meets the security requirements of IEEE 802.15.4z.

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