This will allow a new wave of location-based services
STMicroelectronics, a global semiconductor leader serving customers across the spectrum of electronics applications and the leading supplier of MEMS (Micro-Electro-Mechanical Systems) for consumer and portable applications, will be demonstrating the world’s most accurate indoor positioning of a mobile phone at the World Mobile Congress, Barcelona.
Comprising a smartphone combining the leading-edge SiRFusionTM location technology from CSR plc and an optimized MEMS (Micro-Electro-Mechanical-Systems) inertial measurement unit from ST, the demonstration shows that location can be reliably determined to within a few metres even in the absence of GNSS (Global Navigation Satellite Systems) satellite signals.
Accurate indoor location will be the key enabler for future Location-Based Services (LBS), which are widely expected to be the next “killer application” in the mobile world. However, a challenge has been the problem of locating the mobile device with sufficient accuracy and reliability in urban canyons and indoor environments where the signals from the GNSS satellites cannot be received. In these cases, Wi-Fi and stored databases have been used so far to calculate the approximate location but the resulting accuracy has not been sufficient for many of the LBS services that are envisaged.
“This solution demonstrates that reliable pedestrian dead-reckoning achieved by combining ST’s industry-leading motion sensors with our SiRFusion location platform is the final piece of the indoor navigation jigsaw,” said Kanwar Chadha, chief marketing officer for CSR and founder of SiRF. “This will allow a new wave of location-based services that users will be able to enjoy both indoors and outdoors.”
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