FP-scheduling for mode-controlled dataflow : a case study

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Abstract

Dual-Radio Simultaneous Access (DRSA) is an emerging topic in Software Defined Radio (SDR) in which two SDRs are running simultaneously on a shared hardware, typically a heterogeneous Multi-Processor System-on-Chip (MPSoC). Each SDR has a independent hard latency and/or throughput requirement and needs rigorous timing analysis. Moreover, SDRs are often modeled in enriched variants of dataflow to accommodate the growing dynamic execution of SDRs, making it a challenge to perform timing analysis on them. This paper considers the preemptive Fixed Priority Scheduling (FPS) of SDRs modeled in Mode-Controlled Dataflow. To the best of our knowledge this is the first attempt on static timing analysis of FPS for a (semi-)dynamic variant of synchronous dataflow. We propose a two-phase algorithm to determine the worst-case response time of an actor. We demonstrate our analysis results for a DRSA case study of two 4G-LTE receivers.
Original languageEnglish
Title of host publicationDesign, Automation & Test in Europe Conference & Exhibition (DATE 2015, Grenoble, France, March 9-13, 2015)
Place of PublicationPiscataway
PublisherInstitute of Electrical and Electronics Engineers
Pages1257-1260
ISBN (Print)978-3-9815-3704-8
Publication statusPublished - 2015

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