Satellite technology startup IDCT announced on the 14th that it is partnering with Daebo Information & Communication, a domestic transportation IT company, to address GPS shadowing issues occurring in tunnels and underground spaces. The two companies signed a business agreement on the 9th to "build an infrastructure to connect GPS location information within tunnels."
Tunnels and large underground parking lots are typical GPS shadow areas where satellite signal reception is difficult. Drivers have consistently complained about navigation interruptions and location errors. In the event of an accident, the difficulty in accurately determining the location can delay response. With the proliferation of autonomous driving technology, the importance of addressing these issues is growing.
Through this agreement, the two companies will pursue the development of infrastructure capable of providing continuous location information even inside tunnels. IDCIT's uGPS technology generates GNSS signals identical to actual satellite signals, providing location information to existing smartphones and vehicle navigation systems without the need for separate applications or additional equipment.
IDCity's uGPS solution was recognized as a key technology for implementing smart cities at TechCrunch Disrupt 2025, and its technological competitiveness was confirmed at CES 2026 with inquiries from global companies.
Through this collaboration, the two companies plan to establish a stable location information system across transportation infrastructure, including tunnels and underground spaces, and expand its scope of application to autonomous driving and smart mobility in the future.
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