EMC & EMI Testing Services
R&D, pre-cert, and official EMC/EMI testing to de-risk launches and schedules through actionable debugging.
Positioning
GPS/GNSS antenna design
Comprehensive GPS Antenna Design for Enhanced GNSS Performance
In GPS antenna design, creating solutions that support wider Global Navigation Satellite Systems (GNSS), including GPS, Glonass, BeiDou, and Galileo, is essential. At Radientum, we provide specialized GPS antenna design services for integrated single-band (L1) and dual-band (L1+L2) GNSS solutions, tailored to meet diverse navigation needs.
Key Aspects of GPS Antenna Design
Navigation satellites transmit right-hand circular polarized signals, which must be considered in the receiver antenna design. The advantage of circular polarization in user equipment is its ability to mitigate reflections, which would otherwise impair reception sensitivity. However, many devices effectively operate with a linear polarized antenna, which is easier to integrate into various user equipment configurations.
GNSS receivers can be either assisted or standalone. Standalone receivers rely solely on satellite signals for location services, setting high-performance expectations for GPS antenna design. Ensuring optimal antenna performance is crucial for accurate positioning in standalone systems.
Right‑Hand Circular Polarization (RHCP)
GNSS satellites transmit RHCP signals. Antennas must match this polarization to maximize signal reception and suppress reflected signals, which often arrive as LHCP and can cause errors.
Low‑Elevation Coverage & Radiation Pattern Control
GNSS signals arrive from satellites across the sky, including very low elevation angles. Antennas must maintain good gain toward the horizon while controlling back‑lobes to reduce interference and ground reflections. Trade-offs has to be considered when device is not stationary.
Phase Center Stability Across Frequency, Angle, and Polarization
GNSS accuracy depends on a stable and well‑defined antenna phase center. Multiband GNSS antennas must minimize phase‑center offset and variation over frequency, elevation, and azimuth to reduce ranging bias and multipath‑induced positioning errors.
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Round Solutions – Internationally certified industrial solutions
Discover how Round Solutions and Radientum collaborate to create internationally certified industrial IoT devices, enhancing reliability and customer satisfaction in the market.
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RELEVANT SERVICES
Radientum offers wide range of antenna, RF and EMI/EMC related services to companies developing products with radar feature.
Custom Antenna Design
Tailored antennas maximizing performance, overcoming constraints, reducing BOM, and improving reliability.
Standard Antenna Integration
Integrate off-the-shelf chip antennas rapidly with data-driven placement, matching, and materials choices.
Antenna Measurements
Verify, tune, and benchmark antenna performance with precise OTA and conducted measurements
Antennas for position and sensing technologies
Here are few other position sensing related RF technologies you should be aware of.
GPS / GNSS Antennas
Integrated GNSS antennas delivering accurate positioning performance in challenging environments
NFC / RFID Antenna Design
Custom NFC coils and RFID antennas integrated into constrained materials, mechanics, and environments.
Bluetooth Antenna Design
Efficient Bluetooth antennas and PCB traces improving BLE range and battery life reliably.
Radar Antenna Design
Custom radar antenna arrays for 24/60/77 GHz sensing, resolution, and compact integration.
UWB Antenna Design
UWB antennas engineered for bandwidth, stable group delay, and accurate positioning across angles.