Alberding - Version Beacon.net - GNSS Positioning Modular Software
Alberding Beacon.net is a modular software solution for operators of DGNSS positioning and information services for inland waterways and ports. The service-based approach supports the separation of information generation from its transmission via different broadcasting channels (Beacon, AIS, Internet).
Modules
Beacon.net was adapted in different research projects to the requirements of the AtoN service providers. In addition to the basic system with web interface the following modules are available:
- Correction data sources:
- SBAS (e.g. EGNOS) with RTCA to RTCM conversion
- Local GNSS reference station → Generation of RTCM from raw data
- GNSS reference data streams → DGNSS networking module
- RTCM correction data from external providers (e.g. RTK service providers)
- Integrity check before transmission:
- Pre-Broadcast Monitoring (PBM) with GNSS raw data streams
- Generation of RTCM integrity flags
- Formatting of different transmissions:
- Radiobeacon (RTCM 2.x)
- AIS (Message # 17, #8)
- Internet (Ntrip)
- Other data channels
- Analysis of DGNSS positioning accuracy and signal availability via remote monitoring stations
- Automatic generation of alerts
- Backup solution for the generation of correction data at the transmitter
- Pre-Broadcast monitoring
- RTCA → RTCM conversion
- Active provision of messages to the maritime sector (Notices to Skippers - NtS) and water level information
- Transmission via AIS (Message #8)
- Module for converting the message into a machine-readable format (ship)
- Correction data via local base station or RTK service
- Integrity check before transmission
- AIS encoding via ASM (message #8)
- Integrity information
Applications
The Alberding GmbH has developed and commissioned several systems for DGNSS correction data generation and Far Field Monitoring in the inland waterway and maritime domain. These operational systems are partly very different in their extent and their complexity and show the variety of application possibilities of Beacon.net. The list below contains a brief description of the systems which has been realized during the last five-year period to the satisfaction of the customers.
Federal Waterways and Shipping Administration (WSV), GermanyRe-capitalization of the IALA Radiobeacon system for Inland Waterway Navigation in Germany, including:
- Beacon.net base module (central server software, redundant, two data centres)
- DGNSS Network module - Data processing to be based on a centralised approach, using the Virtual Reference Station (VRS) concept
- Pre-Broadcast Monitoring module - DGNSS corrections to be integrity checked before transmission within the VRS server
- Far Field Monitoring module - Quality control at eight locations in the coverage area
- EGNOS data conversion module - Backup solution at IALA Radiobeacon site
Installation of a DGNSS correction data generation and Far Field Monitoring System for IALA Radiobeacon sites along the Atlantic and Mediterranean coasts in France, including:
- Beacon.net base module (central server software)
- EGNOS data conversion module - EGNOS (EDAS) correction data processing based on a centralised approach, using the Virtual Reference Station (VRS) concept
- Pre-Broadcast Monitoring module - DGNSS corrections to be integrity checked before transmission (Pre-Broadcast Monitoring) within the VRS server
- Far Field Monitoring module - results to be sent back to the VRS server for centralised quality control
Installation of a Far Field Monitoring System for quality control of the transmission of IALA Radiobeacon sites along Baltic Sea in Poland, including:
- Beacon.net base module (central server software)
- Far Field Monitoring module
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