NextNav, a leader in the next generation of GPS, has announced the successful integration of advanced location technology TerraPoiNT into its LTE chipset from GCT. GCT, a leading designer and supplier of advanced 4G and 5G solutions, will provide flexible performance equivalent to 3D GPS in its GDM7243i chip. This integration enables NextNav’s TerraPoiNT capability to be brought into mass market applications such as critical infrastructure timing, vehicle location/navigation, Internet of Things, and drone/eVTOL markets in GPS-challenged environments.
“As a leader in multi-platform chip systems, GCT is uniquely positioned to drive innovation in mass market applications of increasing importance for indoor and urban environments,” said Jimmy Kim, chief technology officer of GCT. “We are pleased to combine our best-in-class technology and NextNav TerraPoiNT network support with GCT’s GDM7243i chipset, which delivers a flexible architecture and high-definition indoor/urban location capability with low power consumption and convenient connectivity for mass market devices.”
NextNav’s TerraPoiNT terrestrial network has an initial footprint in 47 key markets including commercial scale deployment in San Francisco Market. TerraPoiNT is deployed much like a cellular network, but provides consistent positioning, navigation, and timing (PNT) services for every point within a covered metropolitan area, as well as accurate timing, horizontal positioning, and elevation information—particularly important potential for urban and indoor areas where systems tend to GPS to be more challenging. TerraPoiNT provides a complementary and flexible layer to GPS, with signals 100,000 times stronger and the ability to operate independently of GPS. TerraPoiNT also has signal encryption, which makes it less susceptible to interference or spoofing as is often the case with GPS signals. With agile signal design, it can operate on a variety of spectrum bands.
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The GDM7243i chipset from NextNav’s GCT TerraPoiNT supports LTE and GPS solutions, enabling a variety of use cases across positioning, navigation and timing.
- The chipset flexibly supports a range of frequencies including all LTE bands worldwide for further implementation across global markets including NextNav’s proprietary 920-928MHz spectrum within United Stateplus 855-860MHz where NextNav’s TerraPoiNT . operates Japan.
- The RF front end of the chipset also supports a large dynamic range of the signal, i.e. from the weakest signal below floor noise to the strongest signal close to the base station/beacon. This dynamic range is required for a terrestrial system such as TerraPoiNT (complementary to GNSS-based signal processing).
- The chipset is designed for extremely low power consumption and small size for mass market devices.
Dr. said. Arun RajagopathyCo-founder of NextNav and Senior Vice President of Engineering. “By complementing TerraPoiNT receivers with commercial GCT chip capabilities, we have reached a milestone in demonstrating the possibility of receiving TerraPoiNT signals on LTE/GPS capable chipset devices – all in a compact form factor suitable for mass market devices. We are pleased that GCT’s scale and track record in delivering chipsets This highly programmable will ensure wide availability of high-quality 3D indoor positioning provided by our TerraPoiNT network. We plan to conduct mass market customer trials and commercial proof of concepts in the coming months to take advantage of the GCT chips.”
The 2021 DOT report highlights NextNav’s technology outperformance in side-by-side tests. NextNav was the only DOT-testing solution that addressed every use case for position, navigation, and timing, and worked across all indoor and outdoor PNT scenarios, including airborne 3D positioning. In addition, it was the only technology capable of reporting a valid elevation or elevation estimate, enabling ground-level positioning.
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