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SimXTRACT

SimXTRACT decomposes real-world GNSS IQ recordings into discrete signal paths, enabling repeatable, controllable PNT simulation testing in the lab.

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  • Compatible hardware

    PNT X, GSS7000

  • Use cases

    Real-World Signal Environments

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Highlights

SimXTRACT performs signal decomposition on scenarios captured on record & playback devices. This decomposed environment is then converted into fully controllable simulation scenarios for Spirent simulators, enabling repeatable, high-fidelity testing.

Signal decomposition and analysis

  • Breaks down recorded IQ data into discrete ray paths — line-of-sight and multipath — with Doppler offset, power level, and angle of arrival (AoA) metadata
  • Supports GPS (L1, L2C, L5) and Galileo (E1, E5a, E5b, E6); GLONASS, BeiDou, and Quasi-Zenith Satellite System (QZSS) support coming soon
  • Enables analysis of multipath, code error, power, and Angle of Arrival (AoA)
  • Reduces field recording data size from terabytes to megabytes for storage and sharing

Test workflow and integration

  • Outputs .scn test files compatible with Keysight PNT simulators (PNT X, GSS7000, PNT Xe)
  • Runs on PC or Spirent C50X hardware
  • Searches decomposed data by dilution of precision (DOP), satellites in view, signal-to-noise ratio (SNR), and signal type
  • Supports spoofing and interference detection

Development efficiency

  • Reduces issue resolution time by up to 50%
  • Converts drive tests into chamber-ready signal sets with accurate AoA
  • Cuts chamber test setup time by weeks
  • Enables reuse of existing drive test recordings with full signal insight

Services and support