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Positioning module combines GPS, GLONASS receiver techs

Posted: 14 Aug 2014  Print Version  Bookmark and Share

Keywords:GNSS  GPS  GLONASS positioning 

Hong Kong-based Maestro Wireless Solutions and CSR plc jointly releases a concurrent GNSS positioning module that combines high performance GPS and GLONASS receiver technology in a 10mm x 15mm package for applications in wearable devices, cameras and automotive trackers.

The A5100-A is the first release within Maestro's line of GNSS receivers. It touts unprecedented accuracy with quad-constellation support, up to 30 per cent faster Time-To-First-Fix (TTFF), and up to 20 per cent lower power consumption using CSR's TricklePowerTM and Push-to-Fix (PtF) modes.

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The Maestro A5100-A module for GPS, GLONASS, QZSS, and SBAS satellites. Source: Maestro

The module integrates TCXO, SAW filter, RTC, antenna control mechanism, and flash memory for future-proof upgrades, as well as, offering a drop-in replacement capability for Maestro's previous SiRFstar4 generation modules. The castellated edge form factor also enables simpler manufacturing and reduces assembly cost.

"Maestro Wireless has worked closely with CSR for many years to design and commercialise highly accurate and reliable location products," said Anthony Murray, Business Group SVP at CSR. "But to win in today's highly competitive consumer electronics market performance isn't enough. That's why we've worked with Maestro Wireless to develop a solution that excels in a range of performance metrics but also offers the small form factor essential for today's compact devices and is highly integrated to help them get to market fast."

Supporting all currently deployed GNSS, the A5100-A acquires and tracks all visible GPS, GLONASS, QZSS, and SBAS satellites. Concurrent GNSS performance enables the A5100-A to choose the best satellites from different constellations and deliver optimal location information.

Maestro said its immediate benefits include better coverage, enhanced stability and accuracy in difficult environments, such as urban canyons, and stronger resilience to multi-path and signal jamming. This ensures consumers maintain a position fix whether they're in the middle of a busy city or in a remote rural location.





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