Search Results for author: Roberto Bomfin

Found 11 papers, 1 papers with code

Upper Mid-Band Spectrum for 6G: Vision, Opportunity and Challenges

no code implementations25 Feb 2025 Ahmad Bazzi, Roberto Bomfin, Marco Mezzavilla, Sundeep Rangan, Theodore Rappaport, Marwa Chafii

Driven by the pursuit of gigabit-per-second data speeds for future 6G mobile networks, in addition to the support of sensing and artificial intelligence applications, the industry is expanding beyond crowded sub-6 GHz bands with innovative new spectrum allocations.

Astronomy

Statistical and Deterministic RCS Characterization for ISAC Channel Modeling

no code implementations17 Feb 2025 Ali Waqar Azim, Ahmad Bazzi, Roberto Bomfin, Nikolaos Giakoumidis, Theodore S. Rappaport, Marwa Chafii

In this study, we perform a statistical analysis of the radar cross section (RCS) for various test targets in an indoor factory at \(25\)-\(28\) GHz, with the goal of formulating parameters that may be used for target identification and other sensing applications for future wireless systems.

ISAC

Reinforcement Learning for Enhancing Sensing Estimation in Bistatic ISAC Systems with UAV Swarms

no code implementations11 Jan 2025 Obed Morrison Atsu, Salmane Naoumi, Roberto Bomfin, Marwa Chafii

This paper introduces a novel Multi-Agent Reinforcement Learning (MARL) framework to enhance integrated sensing and communication (ISAC) networks using unmanned aerial vehicle (UAV) swarms as sensing radars.

Integrated sensing and communication ISAC +1

Statistical Radar Cross Section Characterization for Indoor Factory Targets

no code implementations5 Nov 2024 Ali Waqar Azim, Ahmad Bazzi, Roberto Bomfin, Hitesh Poddar, Marwa Chafii

The test targets that we consider are drones, humans, quadruped robot and a robotic arm.

Fundamental Trade-offs in Quantized Hybrid Radar Fusion: A CRB-Rate Perspective

no code implementations1 Nov 2024 Akhileswar Chowdary, Ahmad Bazzi, Roberto Bomfin, Marwa Chafii

To investigate the influence of quantization and ADC resolution on HRF, we employ the quantized Cram\'er-Rao bound (CRB) as a metric for sensing accuracy.

Integrated sensing and communication ISAC +1

Unique Word-Based Frame Design for Bistatic Integrated Sensing and Communication

no code implementations10 Oct 2024 Roberto Bomfin, Marwa Chafii

The results demonstrate that the UW frames exhibit competitive radar performance with PS while having a 16. 67% higher data rate for the cases investigated.

Integrated sensing and communication ISAC

Layered Chirp Spread Spectrum Modulations for LPWANs

no code implementations29 May 2024 Ali Waqar Azim, Ahmad Bazzi, Roberto Bomfin, Raed Shubair, Marwa Chafii

Unlike our proposed LCSS and LDMCSS, other CSS alternatives for LPWANs cannot provide the same level of flexibility and SE.

Complex Neural Network based Joint AoA and AoD Estimation for Bistatic ISAC

1 code implementation31 Mar 2024 Salmane Naoumi, Ahmad Bazzi, Roberto Bomfin, Marwa Chafii

Integrated sensing and communication (ISAC) in wireless systems has emerged as a promising paradigm, offering the potential for improved performance, efficient resource utilization, and mutually beneficial interactions between radar sensing and wireless communications, thereby shaping the future of wireless technologies.

Computational Efficiency Integrated sensing and communication +1

A System Level Analysis for Integrated Sensing and Communication

no code implementations1 Feb 2024 Roberto Bomfin, Konpal Shaukat Ali, Marwa Chafii

In this work, we provide a system level analysis of integrated sensing and communication (ISAC) systems, where a setup with a mono-static dual-functional radar communication base station is assumed.

Integrated sensing and communication ISAC

On the Performance Analysis of Zero-Padding OFDM for Monostatic ISAC Systems

no code implementations31 Jan 2024 Roberto Bomfin, Marwa Chafii

In particular, we show that the PD expressions lead to an upper bound for the ZP-OFDM transmission, which is useful for selecting the best ZP size for a given system configuration.

Integrated sensing and communication ISAC

Channel Estimation for MIMO Space Time Coded OTFS under Doubly Selective Channels

no code implementations2 Apr 2021 Roberto Bomfin, Marwa Chafii, Ahmad Nimr, Gerhard Fettweis

The OTFS modulation has been recently proposed as a robust technique under time varying channels due to its property of spreading the data symbols over time and frequency.

Diversity

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