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IR-UWB IC boasts world record distance measurement

24 Apr 2013

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BeSpoon and CEA-Leti have developed an impulse radio ultra-wideband (IR-UWB) IC that can measure distances within a few centimetres' accuracy, and have established a world-record operating range at 880m (standard regulation) and 3,641m (emergency situations). IR-UWB is recognised as an ideal technology for indoor applications, both in terms of accuracy and robustness, the firms noted. It measures distances within a few centimetres' precision and is not affected by walls or people passing by.

The BeSpoon and Leti collaboration overcame two challenges sometimes associated with this technology: the difficulty integrating it on a single chip and its perceived limited operating range.

The chip jointly designed by BeSpoon and Leti features a full-blown IR-UWB CMOS-integrated transceiver that is able to perform accurate distance measurements. The stand-alone chip (RF front-end and digital base band) is designed for a straightforward integration within smartphones or STBs.

"Indoor location is only beginning and, very soon, robustness and precision will be key to offering great new services," said Jean-Marie André, BeSpoon CEO. "Mobile geofencing is another exciting development of our technology."

"This achievement capitalizes on the UWB expertise Leti has developed over the past 12 years," said Laurent Malier, CEO of Leti. "The world record distance measurement is a major milestone in our partnership with BeSpoon, and a source of great satisfaction for the people involved in this collaboration."




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