Septentrio, Imec Co-Design Antenna for High-Precision GNSS

February 24, 2014  - By 0 Comments

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Imec and Septentrio have collaborated to design multi-frequency GNSS antenna that simultaneously receives all GPS, GLONASS, BeiDou, and Galileo bands. Developed under the European Community’s Seventh Framework Programme project Handheld, the compact antenna can be integrated in multi-frequency handheld GNSS devices for high-precision location applications up to 1 centimeter.

The announcement came at the Mobile World Conference being held this week in Barcelona, Spain.

The compact antenna integrates Imec’s GNSS antenna and Septentrio’s GNSS RF front-end. Imec’s antenna design satisfies the requirements for the high-accuracy GNSS market while remaining small enough to fit in a handheld surveyor device, the companies said. The antenna has desired uniform gain and phase coverage over the complete upper hemisphere, with strong suppression of unwanted reflected signals below or in the vicinity of the GNSS receiver.

The GNSS RF front-end, based on established front-end technology developed by Septentrio, is characterized by a superb out-of-band interference rejection to avoid notably device self-interference with other radiation sources such as Bluetooth and WLAN radios, as well as other ambient intentional and non-intentional interference. The compact multi-frequency antenna is a perfect companion of Septentrio’s compact and low-power AsteRx-m receiver, a credit card-sized dual frequency GNSS receiver that provides centimeter accuracy at less than 500-mW power consumption, by far the lowest power consumption in the professional GNSS market.

The research leading to these results has received funding from the European Union Framework Programme (FP7/2007-2013) under grant agreement n°287183.

GPS World staff

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