Antenna enables global positioning to one centimetre
Developed under the European Community’s Seventh Framework Programme project HANDHELD, the compact antenna can be integrated in multi-frequency handheld GNSS devices to support high precision location applications up to 1 centimetre.
The companies have integrated imec’s GNSS antenna and Septentrio’s GNSS RF front-end so the antenna can simultaneously receive all GPS, GLONASS and GALILEO bands. It has a 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 market leading 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 well suited for Septentrio’s AsteRx-m receiver, a credit card-sized dual frequency GNSS receiver that provides centimetre accuracy at less than 500 mW.
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