Publications:A fibre-optic AWG-based real-time network for high-performance embedded computing

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Title A fibre-optic AWG-based real-time network for high-performance embedded computing
Author Annette Böhm and Magnus Jonsson and Kristina Kunert
Year 2004
PublicationType Conference Paper
Conference 2nd Swedish National Computer Networking Workshop (SNCNW), Karlstad University, 23-24 November, 2004
Diva url
Abstract In this paper, an architecture and a Medium Access Control (MAC) protocol for a multiwavelength optical communication network, applicable in short range communication systems like System Area Networks (SANs), are proposed. The main focus lies on guaranteed support for hard and soft real-time traffic. The network is based upon a single-hop star topology with an Arrayed Waveguide Grating (AWG) at its center. Traffic scheduling is centralized in one node (residing together with the AWG in a hub), which communicates through a physical control channel. The AWG’s property of spatial wavelength reuse and the combination of fixedtuned and tunable transceivers in the nodes enable simultaneous control and data transmission. A case study with defined real-time communication requirements in the field of Radar Signal Processing (RSP) was carried out and indicates that the proposed system is very suitable for this kind of application.