Model-driven requirements engineering (MDRE) for real-time ultra-wide instantaneous bandwidth signal simulation

Daniel Y. Chang; Neil C. Rowe

doi:10.1117/12.2017567

29 May 2013 Model-driven requirements engineering (MDRE) for real-time ultra-wide instantaneous bandwidth signal simulation

Daniel Y. Chang, Neil C. Rowe

Author Affiliations +

Proceedings Volume 8752, Modeling and Simulation for Defense Systems and Applications VIII; 875204 (2013) https://doi.org/10.1117/12.2017567
Event: SPIE Defense, Security, and Sensing, 2013, Baltimore, Maryland, United States

Abstract

While conducting a cutting-edge research in a specific domain, we realize that (1) requirements clarity and correctness are crucial to our success [1], (2) hardware is hard to change, most work is in software requirements development, coding and testing [2], (3) requirements are constantly changing, so that configurability, reusability, scalability, adaptability, modularity and testability are important non-functional attributes [3], (4) cross-domain knowledge is necessary for complex systems [4], and (5) if our research is successful, the results could be applied to other domains with similar problems. In this paper, we propose to use model-driven requirements engineering (MDRE) to model and guide our requirements/development, since models are easy to understand, execute, and modify. The domain for our research is Electronic Warfare (EW) real-time ultra-wide instantaneous bandwidth (IBW¹) signal simulation. The proposed four MDRE models are (1) Switch-and-Filter architecture, (2) multiple parallel data bit streams alignment, (3) post-ADC and pre-DAC bits re-mapping, and (4) Discrete Fourier Transform (DFT) filter bank. This research is unique since the instantaneous bandwidth we are dealing with is in gigahertz range instead of conventional megahertz.

Citation Download Citation

Daniel Y. Chang and Neil C. Rowe "Model-driven requirements engineering (MDRE) for real-time ultra-wide instantaneous bandwidth signal simulation", Proc. SPIE 8752, Modeling and Simulation for Defense Systems and Applications VIII, 875204 (29 May 2013); https://doi.org/10.1117/12.2017567

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KEYWORDS

Field programmable gate arrays

Data modeling

Clocks

Signal processing

Data conversion

Digital signal processing

Computer simulations

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