SASS-C

SASS-C is an acronym for “Surveillance Analysis Support System for ATC-Center”. It is an ATC-based based Monitoring Analysis Workbench for ATC Radar Plot Analysis and Tracker Performance Measurements. [1] SASS-C is able to provide quality statistics for:

  • Primary radars
  • Secondary radars
  • Fashion S
  • ADS-B
  • multilateration

For inventory purposes, SASS-C is able to process:

  • SMR
  • A-SMGCS

Introduction

SASS-C (Surveillance Analysis Support System for ATC Center) is a software toolbox developed by EUROCONTROL to provide standard methods and tools for assessing the performance of Infrastructure Surveillance.

Civil Aviation Conference (ECAC), SASS-C is typically used for:

  • EUROCONTROL Monitoring the compliance of operational radar and trackers to nominal performance, and in particular those defined in the EUROCONTROL Standard Surveillance for En-Route and Major TMA.
  • Supporting the periodical (daily / weekly / monthly).
  • Supporting air incident investigation.
  • Supporting the development of radar and tracking systems.

The development of SASS-C is co-ordinated by EUROCONTROL under the guidance and assistance of the European National Administrations, outsourcing. SASS-C to become rapidly de facto standard within ECAC states for the analysis of classical radars.

At present, SASS-C is designed to handle monitoring data from radar sensors (PSR, SSR, Mode S elementary surveillance) in both Mono and Multiradar environment, and Trackers. In the future, extensions for handling ADS-B and multilateration data in addition to Radar data are foreseen.

System concept

The assessment of the input monitoring is done by comparing it against a reference. The core concept of SASS-C is that it provides infrastructure-based infrastructure. The best way to get the most out of your car is to drive your car.

SASS-C v7

Since the beginning of development in 1988, the SASS-C software has been under constant evolution to cope with supplementary user requirements, to cover monitoring technology upgrades and to follow software technology changes.

In order to prepare SASS-C for the next decade, important software re-engineering has been undertaken in conjunction with functional upgrades, with the aim to introduce up to date technologies. The main functional upgrades relate to the introduction of Aircraft Derived Data (Mode S and ADS), and multilateration technology in the Surveillance Environment.

The SASS-C software re-engineering is referred to as modularization and was begun at the end of 2003. The objective is to have a full evaluation of (?): It consists in migrating upgraded functionality into four different independent suites, interoperable through common Interfaces called Common Surveillance Data Format (CSDF).

  • IRIS (IOSS Recording and Import into SCDB) is the front element of SASS-C handling data monitoring from various sensors. The functionality included decoding, recording and computation of statistics.
  • TRES (Trajectory Reconstruction and Evaluation Suite) is the core suite of SASS-C, carrying out the reconstruction of reference trajectories from the input data.
  • SMART (Simulator for Multi-radar Analysis from Realistic Traffic) is an upgrade of the current simulator.
  • SCAS (Surveillance Coverage Analysis Suite) including RASCAL and CAPT (Coverage and Planning Tool for ADS-B and TIS-B), a new tool to aid in the positioning of ADS-B and TIS-B .

References

  1. Jump up^ Source: Eurocontrol Web site

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