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Noisy Electromagnetic Fields –

Noisy Electromagnetic Fields – A Technological Platform for Chip-to-Chip Communication in the 21st Century (NEMF21) Gabriele Gradoni , Gregor Tanner, Stephen Creagh Contributions & Collaborations from the School of Mathematical Sciences , University of Nottingham, United Kingdom.

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Noisy Electromagnetic Fields –

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  1. Noisy Electromagnetic Fields – A Technological Platform for Chip-to-Chip Communication in the 21st Century (NEMF21) Gabriele Gradoni, Gregor Tanner, Stephen Creagh Contributions & Collaborations from the School of Mathematical Sciences, University of Nottingham, United Kingdom

  2. WP Leaders for: WP 2:Method and Software Evaluation (6 + 6) WP 6:Numerical propagation methods for noisy EM-field (15+15) WP10: Management (4) WP11:Dissemination and Exploitation (2) Contributing: WP 8:C2C simulation toolbox based on n-point near-field measurements (9+9) WP 9 :C2C design guidelines – formulation and validation (6+6)

  3. What we promised to do in terms of R&D … T2.3: In-house TLM code, IMST and CST code applied to benchmarks; T2.6: Data pool created as part of Data Management Programme; T6.2: Propagation of EM field-field correlation functions using a Wigner function (WF) for solving flow equations, as well as transfer operator methods; T6.3 Deterministic models obtained from TLM calculation coupled with DFM matrices yielding a hybrid DFM-TLM method; T8.2 From T6.2, T6.3, a combined WF-DFM-TLM solver with input form the n-point measurements (T4.2) will be set up and tested on data from IMST andNXP; interfaces with CST and IMST software will be created (?); T9.1 UoN software packages will be validated against measurement data on C2C devices; design decisions for the antenna on chip architecture will be verified.

  4. What we like to do … • Develop method for propagating Wigner functions (WF) for EM fields in 3D in arbitrarily complex domains. • Coupling WF propagator with TLM, FDTD codes as well as Random Matrix Theory (Random Coupling Method) – to include source radiation. • Simulating sources? Testing commercial codes  IMST and CST. • Characterising near field effects and fluctuating sources. • Combined analysis/design of sources and environments – efficient energy routing. • Influence of noise, roughness, materials, and environment parameters, …

  5. What we deliver … • Statistical properties of fields (average field strength, variance, higher moments) for a given source distribution and for specified degree of uncertainty (surface roughness, exterior noise etc) both in the near and far field: • Antenna distribution, radiation pattern • Energy routing feedback • Transfer operator formalism suitable for describing wavefront shaping – associated to efficient energy routing • Main challenge: source description, space-time domain boundaries • Limitations:needs to be modified to include deterministic/systematic interference effects (short orbits, proximity effects on antennas, etc…)

  6. Collaborations: Nice: Efficient energy routing. TUM – Russer: Correlation function – exact vs ray tracing methods. TUM – Nossek: 3D wireless routing -> how does this effect coding and signal processing; influence of noise (EMI, source, uncertainty) on data rates; impact of antenna design (MIMO). NXP/ISAE: Source characterisation, source modelling. IMST: Source modelling; hybrid FDTD – WF solver; working with EMPIRE. CST: Source modelling; hybrid TLM – WF solver; working with CST – Studio.

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