Innovation: Interfacing Clearly: A New Approach to the Design and Development … – GPS World magazine


GPS World magazine
Innovation: Interfacing Clearly: A New Approach to the Design and Development
Systems engineering is an interdisciplinary field of engineering focusing on the design and management of complex engineering projects. According to the International Council on GNSS interoperability concerns the integration of different GNSS with

Summary: In this article, we present the results of ongoing research on the use of a modeling language, namely Interface Communication Modeling Language (ICML), for signal-in-space (SIS) interface specification of global navigation satellite systems (GNSS). … In particular, we outline how a model-based SIS interface specification can support the identification of solutions to two key issues: GNSS interoperability and the design of GNSS receivers, particularly Galileo receivers.

… linking the SIS interface specification to the design schemas of GNSS receivers — particularly Galileo ones — for tracing the interface elements onto the receiver functional and physical schema, thereby supporting the reuse and adaptation of existing HW and SW solutions;

…Scenario 3 is a development of Scenario 1 and Scenario 2, in which the physical schema definition and the physical components identification (HW and SW) may further exploit the ICML-based approach for supporting the reuse of existing GPS components.

…A GNSS receiver functional schema has been derived from A Software-Defined GPS and Galileo Receiver: A Single-Frequency Approach (see Further Reading) and its equivalent SysML internal block diagram (IBD) is shown in FIGURE 6.

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