“The Wi-STARK Architecture For Resilient Real-Time Wireless Communications”

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Jeferson L. R. Souza, José Rufino

ACM SIGBED Review, vol. 11, no. 4, pp. 1–6, Dec. 2014.

Special Issue on 4th Embedded Operating Systems Workshop (EWiLi), Lisbon, Portugal.
Abstract: Networking communications play an important role to secure a dependable and timely operation of distributed and real-time embedded system applications; however, an effective real-time support is not yet properly addressed in the wireless realm. This paper presents Wi-STARK, a novel architecture for resilient and real-time wireless communications within an one-hop communication domain. Low level reliable (frame) communications, node failure detection, membership management, and networking partition control are provided; since these low level services extend and build upon the exposed interface offered by networking technologies, Wi-STARK is in strict compliance with wireless communication standards, such as IEEE 802.15.4 and IEEE 802.11p. The Wi-STARK service interface is then offered as operating system primitives, helpful for building distributed control applications. The one-hop dependability and timeliness guarantees offered by Wi-STARK are a fundamental step towards an effective design of real-time wireless networks with multiple hops, including end-to-end schedulability analysis of networking operations.

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Project(s): Project:READAPT, Project:KARYON

Research line(s): Timeliness and Adaptation in Dependable Systems (TADS)

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