A new approach to using neural networks for low-power digital pre-distortion in mmWave systems

Overview of the proposed architecture for digital pre-distortion (DPD), connected in between the baseband layer (BB) and the analog front-end (AFE). The top part operates continuously during transmission, whereas the bottom part is only involved in updating the calibration coefficients. Credit: Ludovico Minati / Tokyo Tech In a study published in the journal IEICE Electronics […]

Deep learning empowers reconfigurable intelligent surfaces in terahertz communication

A: Indoor user equipment receiving signals from the base station (BS) via a reconfigurable intelligent surface (RIS) on a building window. B: Hardware architectures at the base station, reconfigurable intelligent surface, and user equipment. Credit: Yang Wang et al. The escalating demand for wireless data traffic, driven by the proliferation of internet-of-things devices and broadband […]

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