Multi-user interference in pulse-based Terahertz-band communication: Analytical model and multi-physics simulation
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Nanonetworks consist of nano-sized communicating devices which can perform simple tasks at the nanoscale, and are the enabling technology for long-awaited applications in the biomedical, industrial and military fields. However, in order to achieve this, nano-devices need to be able to work with high node densities and interact with each other. This will result in multi-user interference which is highly undesirable. The objective of this thesis is to analyze the multi-user interference for electromagnetic communication in nanonetworks. For this, first, an analytical model of multi-user interference in nanonetworks is developed. This model takes into account the peculiarities of the Terahertz-band channel, which is the expected frequency band of operation of novel nano-devices based on graphene. The nano-devices are still in their early stages of development, so it is necessary to develop a simulation platform to analyze the interference. For this, the second contribution in the thesis is to develop a Multi-Physics Network Simulator[MPNS]. This platform combines Matlab and COMSOL Multi-physics to emulate the behavior of nanonetworks with high physics accuracy. Finally, the platform is used to run complex simulations and use the data to analyze the network and the future work in this direction is outlined.