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Real-Time Guarantees in Networks-on-Chip with Wired and Wireless Links (SEtS Doctoral Studentship)


   Department of Computer Science


About the Project

About SEtS

This is a Studentship opportunity within the Doctoral Centre for Safe, Ethical and Secure Computing (SEtS) in the Department of Computer Science at the University of York. SEtS is a key initiative which supports our strategic vision to internationally lead education and research in the engineering of safe, ethical and secure computational systems. Find out more about SEtS.

About the Project

Networks-on-Chip (NoC) are the interconnect of choice for integrated circuits with a large number of cores. Over the last two decades, several NoC architectures have been developed, and some of them were shown to be amenable to providing real-time guarantees to packets [1][2][3][4]

Recent advances in architectural research and mixed-signal integrated circuits has allowed the use of microwave RF on-chip communications, opening the possibility of wireless NoCs [5]. Given the state of that technology regarding bandwidth and reliability, it is unlikely that a wireless NoC would become the main backbone for on-chip communication in the foreseeable future, and its usage will be mainly as a complement to a regular wired NoC.  

This project will address the usage of wireless NoCs to enable and improve the support for real-time guarantees in wired NoCs. The nature of the wireless NoC channel, which facilitates broadcasts, multicasts and single hop communication across the whole chip (or multiple 3D-stacked chips) can be exploited in many ways to enable more efficient arbitration and synchronisation of real-time packet flows, which in turn can provide tighter real-time guarantees and higher NoC utilisation.

Key Dates

  • Application submission period: 15 November 2022 - 15 February 2023
  • Interviews: 1 March - 20 March 2023
  • Notification of offers: 31 March 2023
  • Deadline for accepting studentship offers: 17 April 2023

Read more about the application process and follow our step-by-step guidance for applicants: How to apply

Informal enquiries


Funding Notes

The Doctoral Scholarship includes full coverage of tuition fees and an annual stipend of £17,668 (full time equivalent for 2022/23). Funding is available to successful UK and International students

References

[1] B. Nikolic, S. Tobuschat, L. S. Indrusiak, R. Ernst, and A. Burns, “Real-time analysis of priority-preemptive NoCs with arbitrary buffer sizes and router delays,” Real-Time Syst, vol. 55, no. 1, pp. 63–105, 2019.
[2] F. Giroudot and A. Mifdaoui, “Tightness and computation assessment of worst-case delay bounds in wormhole networks-on-chip,” in 27th Int Conf on Real-Time Networks and Systems (RTNS), p. 19–29, 2019.
[3] L. S. Indrusiak and A. Burns, “Real-Time Guarantees in Routerless Networks-on-Chip”, arXiv:2209.10430 [cs.PF], 2022.
[4] S. Hesham, J. Rettkowski, D. Goehringer, and M. A. Abd El Ghany, “Survey on real-time networks-on-chip,” IEEE Transactions on Parallel and Distributed Systems, vol. 28, no. 5, pp. 1500–1517, 2017.
[5] X. Timoneda, S. Abadal, A. Franques, D. Manessis, J. Zhou, J. Torrellas, E. Alarcón, and A. Cabellos-Aparicio, “Engineer the Channel and Adapt to it: Enabling Wireless Intra-Chip Communication,” IEEE Transactions on Communications, vol. 68, no. 5, pp. 3247-3258, 2020.

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