Alita

GNSS Baseband ASIC

High-precision GNSS baseband ASIC chip Alita is launched based on our extensive applications of mature FPGA solutions. Alita can track up to 72 satellites simultaneously and support BDS-3 signals. Meanwhile, its channels, sensitivity and anti-jamming performance have achieved all-round development and improvement. Integrated multi-sensor fusion interface supports 4-channel frequency-variable output and synchronization signal of the EVENT input. The synchronization accuracy is 20ns, and it can be precisely synchronized with other sensors such as LiDAR, INS and camera.

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Achieve All-round Development and Improvement in
Channels, Sensitivity and Anti-jamming Performance

Track up to 72 satellites simultaneously and support BDS-3 signals

Designed for Excellence

Core Technology

1）Vector tracking loop. Achieve better performance in anti-jamming and anti-spoofing with multi-satellite multi-frequency joint tracking.
2）Multi-correlator based multipath suppression technique. Multi-correlator based parallel correlation methods suppress multipath effect where GNSS signal is reflected off buildings in urban environment, and improve the quality of GNSS observation data.
3）Deeply integrated navigation. Support external input inertial navigation information to assist signal tracking, and provide more robust and accurate observation data in harsh environment.
4）Signal quality monitoring. Monitor real-time tracking loop performance, output the accuracy of GNSS observation.

Performance Other Specification

Performance

Model	Alita
Channel Number	328
Receivable Signals	BDS-2 BDS-3 GPS GLONASS Galileo QZSS NavIC SBAS	B1I, B2I, B3I B1I, B1C, B3I, B2a, B2b (Reserved) L1C/A, L1C, L2, L5 L1, L2 E1, E5a, E5b L1C/A, L1C, L2, L5 L5 L1C/A
Sensitivity	Capture： -142dBm Tracking： -145dBm
Recapture Time	≤1s
Dynamic Performance	Velocity: ≤500m/s Acceleration: ≤4g
Update Rate of Observation Data	Up to 100Hz
Accuracy of Observation Data	Carrier phase:≤1mm（1σ） Pseudo-range: 0.5M code signal: ≤ 0.20m（1σ） 1M code signal:≤ 0.16m（1σ） 2M code signal: ≤ 0.12m（1σ） 10M code signal:≤ 0.09m（1σ）
Timing Accuracy	≤20ns
Signal Interface	12-channel digital IF signal input, supporting I channel and I/Q dual-channel, 2-bit/4-bit quantization

Model	Alita
Communication Interface	QSPI (up to 132 MHz)
Working Temperature	-40℃~+85℃
Storage Temperature	-55℃~+150℃
Power Consumption	0.8 W (Typical)

Optimizing Performance for Every Need

Applications

Being widely used in intelligent driving, driver license testing, surveying and mapping, engineering machinery, unmanned systems (UAVs, UAS etc.) and many other fields.

Automatic Driving
Driving Test

Driving Test
Surveying and Mapping

Surveying and Mapping
Digital Construction

Digital Construction
UAV

UAV

Ensuring Excellence in Every Step

Mass Production and Quality

Bynav has all-round automotive certificates, sophiscated equipment and fully-automated production lines to ensure mass production capacity as well as reliable and high-quality products.

Automated Production Lines

To ensure the quality and consistency of assembly and testing of boxes and modules.

Automotive Certificates

ISO 26262 ASIL B (Product), ISO 26262 ASIL D (Management) , ISO/SAE 21434, AEC-Q104, AEC-Q100, ASPICE, IATF 16949.

Smart Management Systems

To record key data throughout the entire product life cycle and make every process traceable and manageable.

Experimental Capability

IMU Calibration Center, GNSS Laboratory, Functional Test, Durability/Environmental Test, Optical/Vision Inspection.

Trial application

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Achieve All-round Development and Improvement in
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