Search Results for author: Sofie Pollin

Found 33 papers, 3 papers with code

Distributed Deep Learning Models for Wireless Signal Classification with Low-Cost Spectrum Sensors

1 code implementation27 Jul 2017 Sreeraj Rajendran, Wannes Meert, Domenico Giustiniano, Vincent Lenders, Sofie Pollin

We show that a LSTM based model can learn good representations of variable length time domain sequences, which is useful in classifying modulation signals with different symbol rates.

Networking and Internet Architecture

A multi-layered energy consumption model for smart wireless acoustic sensor networks

1 code implementation17 Dec 2018 Gert Dekkers, Fernando Rosas, Steven Lauwereins, Sreeraj Rajendran, Sofie Pollin, Bart Vanrumste, Toon van Waterschoot, Marian Verhelst, Peter Karsmakers

This model provides a first step of exploration prior to custom design of a smart wireless acoustic sensor, and also can be used to compare the energy consumption of different protocols.

SAIFE: Unsupervised Wireless Spectrum Anomaly Detection with Interpretable Features

1 code implementation22 Jul 2018 Sreeraj Rajendran, Wannes Meert, Vincent Lenders, Sofie Pollin

Detecting anomalous behavior in wireless spectrum is a demanding task due to the sheer complexity of the electromagnetic spectrum use.

Anomaly Detection Data Compression

A Blind Beam Tracking Scheme for Millimeter Wave Systems

no code implementations19 Jun 2020 Steve Blandino, Thibault Bertrand, Claude Desset, Andre Bourdoux, Sofie Pollin

Millimeter-wave is one of the technologies powering the new generation of wireless communication systems.

Position

Spectrum Sharing Strategies for UAV-to-UAV Cellular Communications

no code implementations18 Aug 2020 M. Mahdi Azari, Giovanni Geraci, Adrian Garcia-Rodriguez, Sofie Pollin

In this article, we consider a cellular network deployment where UAV-to-UAV (U2U) transmit-receive pairs coexist with the uplink (UL) of cellular ground users (GUEs).

Massive MIMO goes Sub-GHz: Implementation and Experimental Exploration for LPWANs

no code implementations3 Dec 2020 Gilles Callebaut, Sara Gunnarsson, Andrea P. Guevara, Fredrik Tufvesson, Sofie Pollin, Liesbet Van der Perre, Anders J Johansson

The assessment demonstrates the effect of channel hardening as well as the potential benefits of the experienced array gain.

Edge Computing Assisted Autonomous Flight for UAV: Synergies between Vision and Communications

no code implementations10 Dec 2020 Quan Chen, Hai Zhu, Lei Yang, Xiaoqian Chen, Sofie Pollin, Evgenii Vinogradov

By proposing a framework of Edge Computing Assisted Autonomous Flight (ECAAF), we illustrate that vision and communications can interact with and assist each other with the aid of edge computing and offloading, and further speed up the UAV mission completion.

Edge-computing Trajectory Planning Networking and Internet Architecture Robotics Systems and Control Systems and Control

Towards Fine-Grained Indoor Localization based on Massive MIMO-OFDM System: Experiment and Analysis

no code implementations27 Mar 2021 Chenglong Li, Sibren De Bast, Emmeric Tanghe, Sofie Pollin, Wout Joseph

On top of the available MPCs, we propose a generalized fingerprinting system based on different single-metric and hybrid-metric schemes.

Indoor Localization

Drone classification from RF fingerprints using deep residual nets

no code implementations27 Nov 2020 Sanjoy Basak, Sreeraj Rajendran, Sofie Pollin, Bart Scheers

With the help of a newly proposed residual Convolutional Neural Network (CNN) model, we show that the drone RF frequency signatures can be used for effective classification.

Classification General Classification

3D beamforming and handover analysis for UAV networks

no code implementations7 Oct 2020 Achiel Colpaert, Evgenii Vinogradov, Sofie Pollin

In future drone applications fast moving unmanned aerial vehicles (UAVs) will need to be connected via a high throughput ultra reliable wireless link.

Avoiding normalization uncertainties in deep learning architectures for end-to-end communication

no code implementations16 Jul 2021 Simon Bos, Evgenii Vinogradov, Sofie Pollin

Recently, deep learning is considered to optimize the end-to-end performance of digital communication systems.

Drone technology: interdisciplinary systematic assessment of knowledge gaps and potential solutions

no code implementations14 Oct 2021 Evgenii Vinogradov, Sofie Pollin

Despite being a hot research topic for a decade, drones are still not part of our everyday life.

Management

Guard Beam: Protecting mmWave Communication through In-Band Early Blockage Prediction

no code implementations14 Aug 2022 Rizqi Hersyandika, Yang Miao, Sofie Pollin

We derive a channel model for the pre-shadowing event, design a moving blockage detection algorithm for the guard beam, and evaluate the performance of the guard beam theoretically and experimentally based on the measurement campaign using our mmWave testbed.

Contact-Free Multi-Target Tracking Using Distributed Massive MIMO-OFDM Communication System: Prototype and Analysis

no code implementations23 Aug 2022 Chenglong Li, Sibren De Bast, Yang Miao, Emmeric Tanghe, Sofie Pollin, Wout Joseph

To evade the complex association problem of distributed massive MIMO-based MTT, we propose to use a complex Bayesian compressive sensing (CBCS) algorithm to estimate the targets' locations based on the extracted target-of-interest CSI signal directly.

Compressive Sensing Human Activity Recognition

Ubiquitous Indoor Fine-Grained Positioning and Tracking: A Channel Response Perspective

no code implementations25 Sep 2022 Chenglong Li, Emmeric Tanghe, Sofie Pollin, Wout Joseph

Then, we present a micro-benchmark of channel response-based direct positioning and tracking for both device-based and contact-free schemes.

Position

Reducing safe UAV separation distances with U2U communication and new Remote ID formats

no code implementations27 Sep 2022 Evgenii Vinogradov, Sofie Pollin

As the number of Unmanned Aerial Vehicles (UAVs) in the airspace grows, ensuring that the aircraft do not collide becomes vital for further technology development.

Impact of Reconfigurable Intelligent Surface Geometry on Communication Performance

no code implementations29 Oct 2022 Zhuangzhuang Cui, Sofie Pollin

When beamforming is applied at the transmitter, only part of reconfigurable intelligent surfaces (RISs) will be active, and it becomes indispensable to study the impact of RIS geometry.

Intelligent Blockage Recognition using Cellular mmWave Beamforming Data: Feasibility Study

no code implementations30 Oct 2022 Bram van Berlo, Yang Miao, Rizqi Hersyandika, Nirvana Meratnia, Tanir Ozcelebi, Andre Kokkeler, Sofie Pollin

Joint Communication and Sensing (JCAS) is envisioned for 6G cellular networks, where sensing the operation environment, especially in presence of humans, is as important as the high-speed wireless connectivity.

Massive MIMO Channel Measurement Data Set for Localization and Communication

no code implementations10 Nov 2022 Achiel Colpaert, Sibren De Bast, Andrea P. Guevara, Zhuangzhuang Cui, Sofie Pollin

We also show this data can be used for learning-based localization and enhanced communication research.

Path Loss Analysis for Low-Altitude Air-to-Air Millimeter-Wave Channel in Built-Up Area

no code implementations28 Jan 2023 Zhuangzhuang Cui, Abdul Saboor, Achiel Colpaert, Sofie Pollin

Then, the path loss under different propagation conditions is investigated to obtain an integrated path loss model.

Enabling Low-Overhead Over-the-Air Synchronization Using Online Learning

no code implementations2 Mar 2023 Dieter Verbruggen, Hazem Sallouha, Sofie Pollin

Accurate network synchronization is a key enabler for services such as coherent transmission, cooperative decoding, and localization in distributed and cell-free networks.

Probability of Line of Sight Evaluation in Urban Environments using 3D Simulator

no code implementations6 Mar 2023 Abdul Saboor, Evgenii Vinogradov, Zhuangzhuang Cui, Sofie Pollin

Using these simulators, we assess the accuracy of existing models for $\mathbf{P_{LoS}}$ estimation and examine $\mathbf{P_{LoS}}$ for different UAV heights, user-UAV distances, and azimuth/elevation angles.

Sensing with OFDM Waveform at mmWave Band based on Micro-Doppler Analysis

no code implementations29 Mar 2023 Mingqing Liu, Fei Gao, Zhuangzhuang Cui, Sofie Pollin, Qingwen Liu

Joint communication and sensing (JCAS) technology has been regarded as one of the innovations in the 6G network.

Human Activity Recognition

ecoBLE: A Low-Computation Energy Consumption Prediction Framework for Bluetooth Low Energy

no code implementations2 Aug 2023 Luisa Schuhmacher, Sofie Pollin, Hazem Sallouha

Bluetooth Low Energy (BLE) is a de-facto technology for Internet of Things (IoT) applications, promising very low energy consumption.

6G Wireless Communications in 7-24 GHz Band: Opportunities, Techniques, and Challenges

no code implementations10 Oct 2023 Zhuangzhuang Cui, Peize Zhang, Sofie Pollin

Thus, as an inexorable prerequisite, a comprehensive investigation encompassing spectrum utilization and channel modeling is the first step to exploit potential applications and future prospects of using this FR in the 6G ecosystem.

Vital Signs Estimation Using a 26 GHz Multi-Beam Communication Testbed

no code implementations19 Nov 2023 Miquel Sellés Valls, Sofie Pollin, Ying Wang, Rizqi Hersyandika, Andre Kokkeler, Yang Miao

The results show that the estimated breath rate and heart rate reach below 2 beats per minute (bpm) error compared to the reference captured by on-body sensor for the single-person monostatic sensing scenario with body-transceiver distance up to 2 m, and the two-person bistatic sensing scenario with BS-UE distance up to 4 m. The presented work does not optimize the OFDM waveform parameters for sensing; it demonstrates a promising JCAS proof-of-concept in contact-free vital sign monitoring using mmWave multi-beam communication systems.

Sequential Processing in Cell-free Massive MIMO Uplink with Limited Memory Access Points

no code implementations9 Dec 2023 Vida Ranjbar, Robbert Beerten, Marc Moonen, Sofie Pollin

However, we show that in case of limited memory capacity at each AP, the memory capacity to store the received signal vectors at the final AP of this fronthaul becomes a limiting factor.

CSI Measurements and Initial Results for Massive MIMO to UAV Communication

no code implementations23 Dec 2023 Zhuangzhuang Cui, Achiel Colpaert, Sofie Pollin

Non-Terrestrial Network (NTN) has been envisioned as a key component of the sixth-generation (6G) mobile communication system.

Distributed Deep Learning for Modulation Classification in 6G Cell-Free Wireless Networks

no code implementations13 Mar 2024 Dieter Verbruggen, Hazem Salluoha, Sofie Pollin

However, the integration of intelligent mechanisms is crucial for optimizing the efficiency, scalability, and adaptability of these 6G cell-free networks.

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