All case studies
Deployment / 03

Distributed RF Monitoring & Geolocation Platform

TDOA , FDOA Geolocation, and Direction Finding across synchronized Multi-Node SDR networks and Coherent SDR Arrays.

An SDR Geolocation and RF Monitoring Platform combining cyclostationary Signal Detection, ML-based classification, and Distributed RF Sensing through TDOA Geolocation and FDOA Geolocation across Multi-Node SDR networks for persistent spectrum awareness.

SIGINTTDOAFDOAGEO
S1S2S3S4
TDOA · 4 sensors · σ < 30 m
TGT · 67.1,62.0
Live · interactive previewCASE/03
Deployment Challenge

Infrastructure requirements

Distributed RF Sensing and Signal Detection across Multi-Node SDR networks requires synchronized wideband sensors, line-rate FPGA processing, edge ML inference, and TDOA Geolocation and FDOA Geolocation correlation across networked nodes with auditable evidence pipelines.

Reference Architecture

System building blocks

  • 01Coherent SDR Arrays with streaming FPGA front-ends for line-rate channelization and Signal Detection
  • 02PTP and GNSS-disciplined synchronization across Distributed RF Sensing sensor nodes
  • 03Edge ML inference for waveform classification and target identification at the sensor node
  • 04TDOA Geolocation and FDOA Geolocation correlation engine with outlier rejection for SDR Geolocation
  • 05Operator console with Direction Finding, map overlays, and chain-of-custody logging
03Deployment Characteristics

Deployment Characteristics

Baseline infrastructure parameters across a typical deployment.

C/01
Synchronization
PTP · GNSS Disciplined
C/02
Radio Infrastructure
Distributed SDR Sensors
C/03
Bandwidth
Up to 500 MHz
C/04
Deployment Model
Distributed / Field
C/05
Management
Operator Console
C/06
Architecture
Multi-Node RF Sensing
04Specifications

Technical Characteristics

Radio and network infrastructure capabilities.

Radio Infrastructure
  • Distributed SDR sensor nodes
  • FPGA front-end channelization
  • 30 MHz – 6 GHz coverage
  • Up to 500 MHz instantaneous BW
Network Infrastructure
  • PTP · GNSS-disciplined sync
  • Up to 32 networked sensor nodes
  • TDOA / AoA hybrid geolocation
  • ONNX · TensorRT edge inference
  • Evidence export and audit logging
05Detection & Geolocation Workflows

RF Sensing Workflows

Reference sensing and geolocation workflows enabled by distributed SDR infrastructure.

W/01

Spectrum Monitoring

Continuous RF monitoring and signal detection across distributed SDR sensor networks.

RFSPECTRUMMONITORING
W/02

Direction Finding

Determine signal direction-of-arrival using synchronized SDR arrays and coherent RF acquisition.

DOADFARRAYS
W/03

TDOA Geolocation

Locate transmitters through precise timing analysis across geographically distributed SDR nodes.

TDOAGEOTIMING
W/04

FDOA Geolocation

Track RF emitters using frequency difference measurements and distributed sensing infrastructure.

FDOATRACKINGRF
06Platform Stack

Layered architecture

Layered SDR infrastructure spanning radio, processing, timing, and management.

L/01

Radio Layer

  • Distributed SDR sensors
  • Wideband front-end
  • Up to 32 nodes
L/02

Processing Layer

  • FPGA channelization
  • Edge ML inference
  • Cyclostationary detection
L/03

Timing Layer

  • PTP synchronization
  • GNSS disciplining
  • Cross-node correlation
L/04

Management Layer

  • Operator console
  • Map overlays
  • Chain-of-custody logs
Software Ecosystem

Stack & interoperability

ONNXTensorRTGNU RadioPyTorchPTPdKafkaPostGISWebSDR
Deployment Environments

Where it deploys

  • Spectrum monitoring
  • RF sensing
  • Direction finding
  • Geolocation (TDOA / FDOA)
  • Signal detection
  • Distributed SDR systems
07Connected Products

Wavelet Lab platforms

Platforms powering this deployment architecture.