Signal Processing Papers
@SignalPapers
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Theory, algorithms, performance analysis and applications of signal and data analysis - (new submissions to https://t.co/0eZpLy7WWo, not affiliated with arXiv)
Joined October 2009
The Future is Fluid: Revolutionizing DOA Estimation with Sparse Fluid Antennas.
arxiv.org
This paper investigates a design framework for sparse fluid antenna systems (FAS) enabling high-performance direction-of-arrival (DOA) estimation, particularly in challenging millimeter-wave...
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Fluid Antenna Enabled Direction-of-Arrival Estimation Under Time-Constrained Mobility.
arxiv.org
Fluid antenna (FA) technology has emerged as a promising approach in wireless communications due to its capability of providing increased degrees of freedom (DoFs) and exceptional design...
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Reduction of motion artifacts from photoplethysmography signals using learned convolutional sparse coding.
arxiv.org
Objective. Wearable devices with embedded photoplethysmography (PPG) enable continuous non-invasive monitoring of cardiac activity, offering a promising strategy to reduce the global burden of...
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Affine Frequency Division Multiplexing with Subcarrier Power-Level Index Modulation for Integrated Sensing and Communications.
arxiv.org
This study proposes an index modulation (IM) technique for affine frequency division multiplexing (AFDM) signals and examines its communication and sensing performance toward integrated sensing...
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Towards Hybrid Lunar PNT: Error Models, Lower Bounds and Algorithms.
arxiv.org
Accurate positioning, navigation and timing (PNT) are crucial for upcoming lunar surface missions. Lunar satellite navigation systems are being developed, but lack coverage during early deployment...
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Compressive Spectral Imaging in View of Earth Observation Applications.
arxiv.org
Earth observation from space is an important scientific and industrial activity that has applications in many sectors. The instruments employed are often large, complex, and expensive. In...
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Unsupervised Deep Equilibrium Model Learning for Large-Scale Channel Estimation with Performance Guarantees.
arxiv.org
Supervised deep learning methods have shown promise for large-scale channel estimation (LCE), but their reliance on ground-truth channel labels greatly limits their practicality in real-world...
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Inverse Synthetic Aperture Radar, Radar Cross Section, and Iterative Smooth Reweighting $\ell_1$-minimization.
arxiv.org
Radar Cross Section measurement data is often analyzed using Inverse Synthetic Aperture Radar images. This paper compares backprojection and iterative smooth reweighted $\ell_1$-minimization as...
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High SNR Probabilities of Continuous Fluid Antenna Systems in Ricean Environments.
arxiv.org
We consider a single-user (SU) continuous fluid antenna system (CFAS) employing matched filtering (MF) operating over a Ricean fading channel. Focusing on the upper tail of the received...
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Second Order Channel Statistics: An Analysis for Optimal Single-user RIS Systems.
arxiv.org
A key challenge facing reconfigurable intelligent surfaces (RISs) is channel state information acquisition. Passive RISs cannot generate pilot signals or process data, making rapid temporal...
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Interleaved Transceiver Design for a Continuous- Transmission MIMO-OFDM ISAC System.
arxiv.org
This paper proposes an interleaved transceiver design method for a multiple-input multiple-output (MIMO) integrated sensing and communication (ISAC) system utilizing orthogonal frequency division...
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Environment Reconstruction in Terahertz Monostatic Sensing: Joint Millimeter-level Geometry Mapping and Material Identification.
arxiv.org
Terahertz (THz) integrated sensing and communication (ISAC) offers high-speed communication alongside precise environmental sensing. This paper presents a computationally efficient framework for...
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A Deep Learning based Signal Dimension Estimator with Single Snapshot Signal in Phased Array Radar Application.
arxiv.org
Signal dimension, defined here as the number of copies with different delays or angular shifts, is a prerequisite for many high-resolution delay estimation and direction-finding algorithms in...
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Information Retention in Iterative Random Projection of Convex Bodies to Lower Dimensions.
arxiv.org
In this paper, we consider a bounded convex body $K_0 \subset \mathbb{R}^{n}$ subjected to two successive random orthogonal projections onto $\mathbb{R}^{n-1}$ and $\mathbb{R}^{n-2}$,...
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Comparative Analysis of Attention Mechanisms for Automatic Modulation Classification in Radio Frequency Signals.
arxiv.org
Automatic Modulation Classification (AMC) is a critical component in cognitive radio systems and spectrum management applications. This study presents a comprehensive comparative analysis of three...
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MultiFormer: A Multi-Person Pose Estimation System Based on CSI and Attention Mechanism.
arxiv.org
Human pose estimation based on Channel State Information (CSI) has emerged as a promising approach for non-intrusive and precise human activity monitoring, yet faces challenges including accurate...
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Scaling Achievable Rates in SIM-aided MIMO Systems with Metasurface Layers: A Hybrid Optimization Framework.
arxiv.org
We investigate the achievable rate (AR) of a stacked intelligent metasurface (SIM)-aided holographic multiple-input multiple-output (HMIMO) system by jointly optimizing the SIM phase shifts and...
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Spectrum Efficiency and Processing Latency Trade-offs in Panel-Based LIS.
arxiv.org
The next generation wireless systems will face stringent new requirements, including ultra-low latency, high data rates and enhanced reliability. Large Intelligent Surfaces, is one proposed...
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Per-antenna power constraints: constructing Pareto-optimal precoders with cubic complexity under non-negligible noise conditions.
arxiv.org
Precoding matrix construction is a key element of the wireless signal processing using the multiple-input and multiple-output model. It is established that the problem of global throughput...
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Beam Cross Sections Create Mixtures: Improving Feature Localization in Secondary Electron Imaging.
arxiv.org
Secondary electron (SE) imaging techniques, such as scanning electron microscopy and helium ion microscopy (HIM), use electrons emitted by a sample in response to a focused beam of charged...
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