Real-Time Electromagnetic Wave Engineering for Next Generation Wireless Systems

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Extrapolating from current market trends, it is predicted that 5G networks will be required to support a 1,000-fold increase in data capacity to handle over 100 billion devices featuring peak rates of 10 Gb/s and low data transmission latency. Considering the eventual saturation of the technological limits of the semiconductor industry, and the fact that a mere evolution of current mobile technologies will be largely insufficient to meet the anticipated demands, transition to mm-waves is among the most promising solutions considered currently within the wireless industry. While transition to mm-wave features simplified system architectures, it requires major technological progress in terms of hardware constraints. As of today, mm-wave systems resort to hybrid architectures dominantly based on digital techniques, where a significant part of the signal processing is performed at baseband, implying high system complexity and cost. While the conventional wisdom points towards improving baseband and radio-frequency (RF) architectures, with the aim of realizing computationally efficient interfaces and higher density integrated designs, this proposal undertakes a fundamentally different and a potentially disruptive signal processing approach, which does not rely on digital techniques and hence without suffering from their technological bottlenecks. This signal processing paradigm is referred to as Real-Time Analog Wave Engineering (RT-AWE).