UGV Resilience
Tactical-Grade GNSS Protection
for Unmanned Ground Platforms
RF Interference Threats
in UGV Operations
UGVs frequently rely on continuous GNSS reception while operating in electromagnetically complex and interference-prone ground environments.
Mission reliability depends on maintaining stable PNT in the presence of:
• Ground-based jammers and countermeasure systems
• Airborne interference from UAVs
• Nearby high-power RF emitters
• Onboard EMC and self-interference
Multiple Ground-Based RF Emitters
High-power RF emitters on the ground may introduce interference that degrades GNSS tracking and navigation accuracy for UGVs.
Airborne interference from UAVs
Nearby UAVs may create airborne interference that degrades GNSS reception, tracking stability, and positioning reliability for UGVs.
Onboard EMC and Self-Interference
Multiple onboard radios and electronic subsystems may create EMC and self-interference that affects GNSS performance.
High-Power Infrastructure Emissions
High-power terrestrial transmitters may elevate the RF noise floor and compromise GNSS tracking reliability in ground operating environments.
UGV GNSS ANTI-JAMMING SOLUTIONS
SECURING MISSION-CRITICAL NAVIGATION FOR UGVS
UGV GNSS ANTI-JAMMING SOLUTIONS
SECURING MISSION-CRITICAL NAVIGATION FOR UGVS
ADVANCED CRPA TECHNOLOGY
CRPA Array ANTENNA
Adaptive null-steering for suppressing directional jammers and preserving reliable GNSS reception in contested ground environments.
MULTI-JAMMER SPATIAL NULLING
DYNAMIC SPATIAL NULL & SUPPRESSION
Real-time generation of multiple nulls to mitigate concurrent jamming sources from different directions in ground operating scenarios.
GROUND-MOTION ROBUSTNESS
STABLE TRACKING UNDER VEHICLE MOTION
Maintains stable anti-jamming performance and GNSS tracking during vehicle movement, vibration, and rough-terrain operations.
HIGH-REJECTION RF CONDITIONING
FILTERING & FRONT-END CONDITIONING
High-selectivity filtering and front-end conditioning help reject out-of-band interference and reduce the risk of receiver saturation.
OPTIMIZED ARRAY GEOMETRY
PLATFORM-ADAPTED ELEMENT PLACEMENT
Array layout is optimized for vehicle-top integration, low-elevation interference mitigation, and reliable ground-level coverage.
ADVANCED CRPA TECHNOLOGY
CONTROLLED RECEPTION PATTERN ANTENNA
Adaptive null-steering for suppressing directional jammers and preserving reliable GNSS reception in contested ground environments.
MULTI-JAMMER SPATIAL NULLING
DYNAMIC SPATIAL NULL & SUPPRESSION
Real-time generation of multiple nulls to mitigate concurrent jamming sources from different directions in ground operating scenarios.
GROUND-MOTION ROBUSTNESS
STABLE TRACKING UNDER VEHICLE MOTION
Maintains stable anti-jamming performance and GNSS tracking during vehicle movement, vibration, and rough-terrain operations.
HIGH-REJECTION RF CONDITIONING
FILTERING & FRONT-END CONDITIONING
High-selectivity filtering and front-end conditioning help reject out-of-band interference and reduce the risk of receiver saturation.
OPTIMIZED ARRAY GEOMETRY
PLATFORM-ADAPTED ELEMENT PLACEMENT
Array layout is optimized for vehicle-top integration, low-elevation interference mitigation, and reliable ground-level coverage.
CRPA ANTI-JAMMING TECHNOLOGY PRINCIPLE
RF SENSOR ARRAY (4 Elements)
MULTI-CHANNEL RF FRONT-END
ANTI-JAMMING SIGNAL PROCESSOR (FPGA)
SIGNAL RECONSTRUCTION
GNSS RECEIVER
FINAL OUTPUT
LNA
BPF
RF to IF
HIGH-SPEED ADC
CORE SIGNAL PROCESSING
FILTERING
STAP CORE
ADAPTIVE NULLING ALGORITHM
WEIGHT CALCULATION UNIT
DIGITAL SUMMING
DAC & UP-CONVERTER
MULTI-CONSTELLATION TRACKING
CARRIER/CODE LOOP
RTK PROCESSOR
PVT DATA
ANTI-JAM STATUS
SPATIAL SAMPLING OF GNSS & INTERFERENCE SIGNALS
CORE SIGNAL PROCESSING
SPATIAL RECONSTRUCTION
Adaptive Null-Steering Against Multi-Source Jamming
The 4-element CRPA array dynamically identifies jamming signals and creates “Deep Nulls” in their direction. Even with multiple or mirrored jammers, the antenna maintains a high-gain beam toward GNSS satellites, ensuring uninterrupted PNT (Position, Navigation, and Timing) in contested environments.
Recommended Anti-Jamming Products for UGV Platforms
Recommended Anti-Jamming Products for UGV Platforms
4-Element Anti-Jamming CRPA Antenna
AJ-4-100 is a compact 4-element (Controlled Reception Pattern Antenna) CRPA designed for reliable GNSS signal reception in jamming-prone UGV environments. It supports GPS L1, and BeiDou B1 signal bands.
Designed for low SWaP integration, it can suppress up to three simultaneous jamming sources, delivering J/S capability of ≥90 dB for a single jammer and ≥80 dB for three jammers.
4-Element Anti-Jamming CRPA Antenna
AJ-4-100 is a compact 4-element (Controlled Reception Pattern Antenna) CRPA designed for reliable GNSS signal reception in jamming-prone UGV environments. It supports GPS L1, and BeiDou B1 signal bands.
Designed for low SWaP integration, it can suppress up to three simultaneous jamming sources, delivering J/S capability of ≥90 dB for a single jammer and ≥80 dB for three jammers.
4-Element Anti-Jamming CRPA System
AJS-4-65 is a compact integrated anti-jamming GNSS system for UGV applications. It supports GPS L1, and BeiDou B1 signal bands.
Combining a 4-element CRPA antenna, adaptive anti-jamming processing, and a built-in GNSS receiver in a 65 × 65 mm, ≤150 g enclosure, it supports up to three simultaneous jammers with J/S capability of ≥100 dB (single jammer) and ≥90 dB (three jammers).
4-Element Anti-Jamming CRPA System
AJS-4-65 is a compact integrated anti-jamming GNSS system for UGV applications. It supports GPS L1, and BeiDou B1 signal bands.
Combining a 4-element CRPA antenna, adaptive anti-jamming processing, and a built-in GNSS receiver in a 65 × 65 mm, ≤150 g enclosure, it supports up to three simultaneous jammers with J/S capability of ≥100 dB (single jammer) and ≥90 dB (three jammers).