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Over the past ten years, high-precision GPS has seen a sharp increase in use for surveying applications. High accuracy and quick findings from GPS receivers can save a ton of time by quickly covering broad areas. Only measurements in the carrier and code phases can yield this accuracy.
However, there is an initial integer cycle ambiguity in carrier-phase measurements that needs to be cleared up. Dual-frequency measurements enable very reliable resolution of integers within seconds, but single-frequency observations require between 5 and 30 minutes to resolve the integer cycle ambiguities.
Additionally, they enable the elimination of a sizable portion of errors caused by the troposphere or ionosphere that are spatially correlated.
Therefore, the only receivers capable of conducting Real-Time Kinematic surveys with a reasonable Time To First Fix are dual-frequency or multi-frequency receivers. Dual-frequency receivers today are pricey, though. The requirement to use the highly patent-protected L2 signal, which operates at a second frequency, is what drives the exorbitant cost.
While some advancements have led to high-accuracy, real-time solutions using single-frequency receivers, the emergence of new signals and constellations has made it possible to use two frequencies more affordably.
The cost barrier for obtaining high-precision applications using double and triple-frequency solutions is anticipated to be lowered by recent advancements in GNSS.
The Global High-precision GNSS Receiver 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.
Telit has launched a high-precision GNSS SE868SY-D receiver module for use in applications involving several frequencies and constellations. The SE868SY-D is a multi-frequency, high-precision global navigation satellite system receiver module for applications that need high accuracy, multi-constellation support, and multipath resistance, Telit, is a worldwide Internet of Things enabler.
The SE868SY-D can easily fit IoT trackers and extremely small devices because it is only 11×11 mm in size. The high-precision SE868SY-D module, which has a very sensitive -167 dBm RF front end, is Telit’s first multi-frequency, multi-constellation GNSS receiver module and is currently available. Even in high-multipath situations like urban canyons, the SE868SY-D provides a substantially higher location accuracy than single-frequency devices by utilizing both the L1 and L5 bands.
Additionally, Telit’s SE868SY-D provides a pin-to-pin compatible migration path for applications based on the legacy GPS module JF2 and GNSS module SE868V3, demonstrating the company’s dedication to providing enduring support for customers’ applications.
