How to Perform Smart Spectrum Monitoring

+ Signal Analyzer

Capturing Real-world RF Environments for Smart Spectrum Monitoring

Smart spectrum monitoring for mission-critical communications requires the emulation of real-world RF environments to test system performance under dynamic and challenging conditions. This includes scenarios involving signal detection, geolocation of emitters, and the ability to record and replay RF activity. These testing scenarios must address a range of operational challenges, including signal anomalies, interference, and dynamic emitter movement across multiple bands and locations. Validating performance under these conditions is essential to ensure reliability, resilience, and situational awareness in complex communication environments.

Spectrum monitoring requires emulating three key use cases: activity detection, fast geolocation, and RF record-and-replay. Test engineers must simulate active RF environments to assess the system’s ability to detect and flag unauthorized transmissions quickly. Geolocation scenarios evaluate how precisely and quickly a system can triangulate RF sources under varying conditions. RF capture and playback enables the analysis of historical signal environments and supports repeatable testing, training, and troubleshooting. The solution must support automation, repeatability, and integration of multiple signal types and impairments to ensure accurate performance measurement and operational readiness.

Smart Spectrum Monitoring Solution

Spectrum monitoring requires emulation of complex RF environments and real-world signal conditions. The Keysight smart spectrum monitoring solution integrates field-ready and lab-based tools to support a complete range of detection, geolocation, and RF record-and-playback use cases. This comprehensive solution enables engineers and operators to test and evaluate spectrum monitoring performance under dynamic, congested, and potentially contested RF conditions. The solution combines the portability and precision of the Keysight FieldFox handheld analyzer with the cloud-based Spectrum Monitoring System (KSMS) to provide continuous, real-time spectrum monitoring across wide frequency ranges up to 54 GHz. FieldFox captures real-world RF activity and supports geolocation through time difference of arrival (TDOA) techniques. KSMS PC-based software leverages cross-correlation techniques for geo-location based on TDOA, analyzing data from distributed sensors, enabling centralized visibility and effective signal location estimates based on GPS accuracy.

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