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Automotive Navigation Satellite System (GNSS) antennas are typically made of a material that is both conductive and durable, such as copper or stainless steel.
The antenna must be able to withstand the harsh conditions inside a car, such as extreme temperatures, vibration, and moisture.
It must also be able to receive signals from multiple satellites at the same time, which is why it is often made with multiple elements.
Some of the most common materials used for GNSS antennas include:
Copper: Copper is a good conductor of electricity, which makes it ideal for use in antennas.
It is also relatively inexpensive and easy to work with.
Copper is also a very good conductor of heat, which helps to keep the antenna cool in hot weather.
Stainless steel: Stainless steel is a durable material that can withstand the harsh conditions inside a car.
It is also resistant to corrosion, which is important for an antenna that will be exposed to moisture.
Stainless steel is also a very strong material, which helps to protect the antenna from damage.
Ceramic: Ceramic is a strong and lightweight material that is often used in high-performance antennas. It is also resistant to extreme temperatures and vibration.
Ceramic is also a very good insulator, which helps to prevent the antenna from picking up interference from other electrical devices.
Graphene: Graphene is a new material that is being used in a variety of applications, including antennas.
It is a very thin material that is very good at conducting electricity.
Graphene is also very strong and lightweight, making it ideal for use in antennas.
The type of material used for a GNSS antenna will depend on the specific application and the desired performance characteristics.
For example, a GNSS antenna that will be used in a harsh environment, such as a car, will need to be made of a durable material like stainless steel.
A GNSS antenna that will be used in a high-performance application, such as a drone, will need to be made of a lightweight material like graphene.
The Global Automotive Navigation Satellite System (GNSS) Antennas Material Market accounted for $XX Billion in 2023 and is anticipated to reach $XX Billion by 2030, registering a CAGR of XX% from 2024 to 2030.
STMicroelectronics, a worldwide semiconductor firm with clients across the range of electronics applications, has unveiled the world’s first car satellite-navigation chip, which provides high-quality location data required by sophisticated driving systems.
The STA8135GA, part of ST’s Teseo V series, is the first automotive-qualified GNSS (Global Navigation Satellite System) receiver to have a triple-band positional measurement engine on-chip, in addition to standard multi-band PVT and dead-reckoning.
Historically, triple band has been utilized in professional applications including as surveying, mapping, and precision agriculture, which need millimeter accuracy with less dependence on corrective data.
Triple-band, which was previously only possible in chipsets or modules that were larger and more expensive than ST’s single-chip approach, enables the receiver to effectively acquire and track the greatest number of signals.
The STA8135GA brings this capacity to the automotive sector in a compact and simple form, assisting driver-assistance systems in making correct judgements about the road ahead.
The multi-constellation receiver provides raw data to the host system, which may then be used to execute any precise-positioning algorithm, such as PPP/RTK (Precise Point Positioning / Real-Time Kinematic).
In-dash navigation systems, telematics equipment, smart antennas, and V2X communication systems, as well as maritime navigation systems, drones, and other vehicles, benefit from the STA8135GA.
