Search Results for author: Ahmed M. Eltawil

Found 22 papers, 1 papers with code

Explainable and Robust Millimeter Wave Beam Alignment for AI-Native 6G Networks

no code implementations23 Jan 2025 Nasir Khan, Asmaa Abdallah, Abdulkadir Celik, Ahmed M. Eltawil, Sinem Coleri

Integrated artificial intelligence (AI) and communication has been recognized as a key pillar of 6G and beyond networks.

Beam Prediction Outlier Detection

Near-Field ISAC: Synergy of Dual-Purpose Codebooks and Space-Time Adaptive Processing

no code implementations15 Jan 2025 Ahmed Hussain, Asmaa Abdallah, Abdulkadir Celik, Ahmed M. Eltawil

Integrated sensing and communication (ISAC) has emerged as a transformative paradigm, enabling situationally aware and perceptive next-generation wireless networks through the co-design of shared network resources.

NetOrchLLM: Mastering Wireless Network Orchestration with Large Language Models

no code implementations13 Dec 2024 Asmaa Abdallah, Abdullatif Albaseer, Abdulkadir Celik, Mohamed Abdallah, Ahmed M. Eltawil

The transition to 6G networks promises unprecedented advancements in wireless communication, with increased data rates, ultra-low latency, and enhanced capacity.

Natural Language Understanding

Hybrid Beamforming for Integrated Sensing and Communications With Low Resolution DACs

no code implementations5 Nov 2024 Ahmet M. Elbir, Abdulkadir Celik, Ahmed M. Eltawil

Therefore, this paper presents the design of Hybrid ANalog and Digital BeAmformers with Low resoLution (HANDBALL) digital-to-analog converters (DACs).

Quantization

BF-IMNA: A Bit Fluid In-Memory Neural Architecture for Neural Network Acceleration

no code implementations3 Nov 2024 Mariam Rakka, Rachid Karami, Ahmed M. Eltawil, Mohammed E. Fouda, Fadi Kurdahi

To demonstrate bit fluidity, we implement HAWQ-V3's per-layer mixed-precision configurations for ResNet18 on BF-IMNA using different latency budgets, and results reveal a trade-off between accuracy and Energy-Delay Product (EDP): On one hand, mixed-precision with a high latency constraint achieves the closest accuracy to fixed-precision INT8 and reports a high (worse) EDP compared to fixed-precision INT4.

Quantization

ENWAR: A RAG-empowered Multi-Modal LLM Framework for Wireless Environment Perception

no code implementations8 Oct 2024 Ahmad M. Nazar, Abdulkadir Celik, Mohamed Y. Selim, Asmaa Abdallah, Daji Qiao, Ahmed M. Eltawil

Large language models (LLMs) hold significant promise in advancing network management and orchestration in 6G and beyond networks.

RAG

A Recurrent YOLOv8-based framework for Event-Based Object Detection

no code implementations9 Aug 2024 Diego A. Silva, Kamilya Smagulova, Ahmed Elsheikh, Mohammed E. Fouda, Ahmed M. Eltawil

Object detection is crucial in various cutting-edge applications, such as autonomous vehicles and advanced robotics systems, primarily relying on data from conventional frame-based RGB sensors.

Autonomous Vehicles Data Augmentation +2

The Curse of Beam-Squint in ISAC: Causes, Implications, and Mitigation Strategies

no code implementations5 Jun 2024 Ahmet M. Elbir, Kumar Vijay Mishra, Abdulkadir Celik, Ahmed M. Eltawil

Integrated sensing and communications (ISAC) has emerged as a means to efficiently utilize spectrum and thereby save cost and power.

At the Dawn of Generative AI Era: A Tutorial-cum-Survey on New Frontiers in 6G Wireless Intelligence

no code implementations2 Feb 2024 Abdulkadir Celik, Ahmed M. Eltawil

The majority of data-driven wireless research leans heavily on discriminative AI (DAI) that requires vast real-world datasets.

Edge-computing

Index Modulation for Integrated Sensing and Communications: A Signal Processing Perspective

no code implementations16 Jan 2024 Ahmet M. Elbir, Abdulkadir Celik, Ahmed M. Eltawil, Moeness G. Amin

A joint design of both sensing and communication can lead to substantial enhancement for both subsystems in terms of size, cost as well as spectrum and hardware efficiency.

NEAT-MUSIC: Auto-calibration of DOA Estimation for Terahertz-Band Massive MIMO Systems

no code implementations7 Nov 2023 Ahmet M. Elbir, Abdulkadir Celik, Ahmed M. Eltawil

Terahertz (THz) band is envisioned for the future sixth generation wireless systems thanks to its abundant bandwidth and very narrow beamwidth.

Near-field Hybrid Beamforming for Terahertz-band Integrated Sensing and Communications

no code implementations25 Sep 2023 Ahmet M. Elbir, Abdulkadir Celik, Ahmed M. Eltawil

Terahertz (THz) band communications and integrated sensing and communications (ISAC) are two main facets of the sixth generation wireless networks.

Antenna Selection With Beam Squint Compensation for Integrated Sensing and Communications

no code implementations14 Jul 2023 Ahmet M. Elbir, Asmaa Abdallah, Abdulkadir Celik, Ahmed M. Eltawil

In this paper, we develop a sparse array architecture for THz-ISAC with hybrid beamforming to provide a cost-effective solution.

Spatial Path Index Modulation in mmWave/THz-Band Integrated Sensing and Communications

no code implementations22 Mar 2023 Ahmet M. Elbir, Kumar Vijay Mishra, Asmaa Abdallah, Abdulkadir Celik, Ahmed M. Eltawil

Then, we propose to employ a family of hybrid beamforming techniques such as hybrid, SI, and subcarrier-dependent analog-only, and beam-split-aware beamformers.

Millimeter-Wave Radar Beamforming with Spatial Path Index Modulation Communications

no code implementations8 Nov 2022 Ahmet M. Elbir, Kumar Vijay Mishra, Abdulkadir Çelik, Ahmed M. Eltawil

To efficiently utilize the wireless spectrum and save hardware costs, the fifth generation and beyond (B5G) wireless networks envisage integrated sensing and communications (ISAC) paradigms to jointly access the spectrum.

RIS-Assisted Grant-Free NOMA

no code implementations23 Jul 2022 Recep Akif Tasci, Fatih Kilinc, Abdulkadir Celik, Asmaa Abdallah, Ahmed M. Eltawil, Ertugrul Basar

This paper introduces a reconfigurable intelligent surface (RIS)-assisted grant-free non-orthogonal multiple-access (GF-NOMA) scheme.

BackLink: Supervised Local Training with Backward Links

no code implementations14 May 2022 Wenzhe Guo, Mohammed E Fouda, Ahmed M. Eltawil, Khaled N. Salama

This work proposes a novel local training algorithm, BackLink, which introduces inter-module backward dependency and allows errors to flow between modules.

Configurable Independent Component Analysis Preprocessing Accelerator

no code implementations10 Jan 2022 Hsi-Hung Lu, Chung-An Shen, Mohammed E. Fouda, Ahmed M. Eltawil

Specifically, the proposed accelerator is based on a high-performance matrix multiplication array (MMA).

Anomaly Detection

Efficient Training of Spiking Neural Networks with Temporally-Truncated Local Backpropagation through Time

no code implementations13 Dec 2021 Wenzhe Guo, Mohammed E. Fouda, Ahmed M. Eltawil, Khaled Nabil Salama

The results reveal that temporal truncation has a negative effect on the accuracy of classifying frame-based datasets, but leads to improvement in accuracy on dynamic-vision-sensor (DVS) recorded datasets.

On-Chip Error-triggered Learning of Multi-layer Memristive Spiking Neural Networks

1 code implementation21 Nov 2020 Melika Payvand, Mohammed E. Fouda, Fadi Kurdahi, Ahmed M. Eltawil, Emre O. Neftci

Recent breakthroughs in neuromorphic computing show that local forms of gradient descent learning are compatible with Spiking Neural Networks (SNNs) and synaptic plasticity.

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