A Cloud-Based Approach to GNSS Augmentation for Navigation Services

The proliferation of services and applications requiring user positioning through a Global Navigation Satellite System (GNSS) is driving the need of more accurate and reliable positioning systems, especially for safety-critical applications such as Disaster Alerting. Satellite-Based Augmentation Systems (SBAS) could achieve this goal by compensating for certain disadvantages of GNSS in terms of accuracy, integrity, continuity and availability. In this paper, we propose a novel cloud-based architecture that centrally computes position augmentation and position integrity by using the European SBAS system, i.e., EGNOS/EDAS. We implement our solution in a real test-bed, demonstrating the feasibility of our proposal and obtaining performances that can support real-time applications.