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Alice GNSS SoC

High Precision GNSS SoC

The SoC is based on ISO26262 ASIL B functional safety requirements and uses automotive grade process of 22nm with size 6×8mm and package of LGA. Supports full constellations and full frequencies with L-BAND and CLAS, and has 1500+ channels(including 750 FuSa channels). 

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Alice GNSS SoC

The SoC has built-in REAL RTK positioning engine and DIST deep-coupled GNSS/INS navigation engine. SAIF(Smart Advanced Interference defense), the high-performance multiple interference suppresion technoloy, is also built in and capable of handling different interferences such as single-frequency, multitone, sweeping, pulse, narrowband with interference-signal ratio of 65 dB. 

Full constellations and full frequencies 

1500+ channels (including 750 FuSa channels)

Core Technology

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

Performance

Index

Horizontal Positioning Accuracy

Single Point

1.5m (RMS)

RTK

1cm + 1ppm (RMS)

Vertical Positioning Accuracy

Single Point

2.5m (RMS)

RTK

1.5cm + 1ppm (RMS)

Number of Channel

1507

Tracking

L-Band

Supported

BDS

B1I/B2I/B3I, B1C*/B2a/B2b

GPS

L1 C/A/L1C/L2/L5

GLO

L1/L2

GAL

E1/E5a/E5b/E6

QZSS

L1/L2/L5/L6 (CLAS)

NavIC

L5

SBAS

L1 C/A

Anti-interference

Categories

Multi-tone interference with more than 6 pulses

Narrowband interference that is not less than 10% of the signal bandwidth

Fast sweep interference

Interference-Signal Ratio

65 dBc

Observation Measurement Precision

Carrier Phase

≤1mm(RMS)

Pseudorange

≤0.1m(RMS)

Sensitivity

Acquisition

-144dBm

Tracking

-154dBm

Observe Output Rate

50Hz

Re-acqusition Time

≤ 1s

Heading Accuracy

0.2°/m

Timing Accuracy

≤20 ns (RMS)

Velocity Accuracy

0.05m/s (RMS)

Size

6×8mm²

Ambient Temperature

-40°C ~ +105°C

Storage Temperature

-55°C ~ +150°C

Applications

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

 
  • Intelligent Driving
    Intelligent Driving
  • Driver License Testing
    Driver License Testing
    Driver License Testing
  • Surveying And Mapping
    Surveying And Mapping
    Surveying And Mapping
  • Engineering Machinery
    Engineering Machinery
    Engineering Machinery
  • UAV
    UAV
    UAV
Trial application

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