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Rigid Body Localization via Gaussian Belief Propagation with Quadratic Angle Approximation
Niclas Führling, Hyeon Seok Rou, Giuseppe Thadeu Freitas de Abreu +2
Gaussian belief propagation (GaBP) is a technique that relies on linearized error and input output models to yield low-complexity solutions to complex estimation problems, which ha…
Linear Precoding Design for OTFS Systems in Time/Frequency Selective Fading Channels
Yao Ge, Lingsheng Meng, David González G. +3
Even orthogonal time frequency space (OTFS) has been shown as a promising modulation scheme for high mobility doubly-selective fading channels, its attainability of full diversity…
Tone Reservation-Based PAPR Reduction Using Manifold Optimization for OFDM-ISAC Systems
Getuar Rexhepi, Kuranage Roche Rayan Ranasinghe, Giuseppe Thadeu Freitas de Abreu +1
We consider the peak-to-average power ratio (PAPR) reduction challenge of orthogonal frequency division multiplexing (OFDM) systems utilizing tone reservation (TR) under a sensing-…
Discrete Aware Matrix Completion via Convexized -Norm Approximation
Niclas Führling, Kengo Ando, Giuseppe Thadeu Freitas de Abreu +2
We consider a novel algorithm, for the completion of partially observed low-rank matrices in a structured setting where each entry can be chosen from a finite discrete alphabet set…
Enabling Energy-Efficiency in Massive-MIMO: A Scalable Low-Complexity Decoder for Generalized Quadrature Spatial Modulation
Hyeon Seok Rou, Giuseppe Thadeu Freitas de Abreu, David González G. +1
Generalized quadrature spatial modulation (GQSM) schemes are known to achieve high energy- and spectral- efficiencies by modulating information both in transmitted symbols and in c…