Sahar Hoteit

53
Documents

Publications

Publications

Deposit thumbnail

On flexible association and placement in disaggregated RAN designs

Hiba Hojeij , Mahdi Sharara , Sahar Hoteit , Véronique Vèque , Stefano Secci et al.

Computer Communications, 2025, 238, pp.108166. ⟨10.1016/j.comcom.2025.108166⟩

Article dans une revue hal-05039850v1
Deposit thumbnail

Policy-Gradient-based Reinforcement Learning for Maximizing Operator's Profit in Open-RAN

Mahdi Sharara , Sahar Hoteit , Yannick Carlinet , Antonia Maria Masucci , Nancy Perrot

Journal of Network and Systems Management, In press

Article dans une revue hal-05110723v1
Deposit thumbnail

On Flexible Placement of O-CU and O-DU Functionalities in Open-RAN Architecture

Hiba Hojeij , Mahdi Sharara , Sahar Hoteit , Véronique Vèque

IEEE Transactions on Network and Service Management, 2024, ⟨10.1109/TNSM.2024.3476939⟩

Article dans une revue hal-04760607v1
Deposit thumbnail

Throughput maximization in multi-slice cooperative NOMA-based system with underlay D2D communications

Asmaa Amer , Sahar Hoteit , Jalel Ben-Othman

Computer Communications, In press, ⟨10.1016/j.comcom.2024.01.030⟩

Article dans une revue hal-04432002v2
Deposit thumbnail

Minimizing energy consumption by joint radio and computing resource allocation in Cloud-RAN

Mahdi Sharara , Francesca Fossati , Sahar Hoteit , Véronique Vèque , Francesca Bassi

Computer Networks, 2023, 234, pp.109870. ⟨10.1016/j.comnet.2023.109870⟩

Article dans une revue hal-04140752v1
Deposit thumbnail

On Coordinated Scheduling of Radio and Computing Resources in Cloud-RAN

Mahdi Sharara , Sahar Hoteit , Patrick Brown , Véronique Vèque

IEEE Transactions on Network and Service Management, 2022, ⟨10.1109/TNSM.2022.3222068⟩

Article dans une revue hal-03878685v1
Deposit thumbnail

Resource Allocation for Downlink Full-Duplex Cooperative NOMA-Based Cellular System with Imperfect SI Cancellation and Underlaying D2D Communications

Asmaa Amer , Abdel-Mehsen Ahmad , Sahar Hoteit

Sensors, 2021, 21 (8), pp.2768. ⟨10.3390/s21082768⟩

Article dans une revue hal-03209391v1
Deposit thumbnail

Fair Resource Allocation in Systems with Complete Information Sharing

Francesca Fossati , Sahar Hoteit , Stefano Moretti , Stefano Secci

IEEE/ACM Transactions on Networking, 2018, 26 (6), pp.2801-2814. ⟨10.1109/TNET.2018.2878644⟩

Article dans une revue hal-01910226v1
Deposit thumbnail

Enriching sparse mobility information in Call Detail Records

Guangshuo Chen , Sahar Hoteit , Aline Carneiro Viana , Marco Fiore , Carlos Sarraute

Computer Communications, 2018, 122, pp.44-58. ⟨10.1016/j.comcom.2018.03.012⟩

Article dans une revue hal-01756120v2
Deposit thumbnail

Crowded spot estimator for urban cellular networks

Sahar Hoteit , Stefano Secci , Marco Premoli

Annals of Telecommunications - annales des télécommunications, 2017, 72 (11-12), pp.743-754. ⟨10.1007/s12243-017-0591-6⟩

Article dans une revue hal-01731502v1
Deposit thumbnail

On Fair Network Cache Allocation to Content Providers

Sahar Hoteit , Mahmoud El Chamie , Damien Saucez , Stefano Secci

Computer Networks, 2016, 103, pp.129-142. ⟨10.1016/j.comnet.2016.04.006⟩

Article dans une revue hal-01112367v1
Deposit thumbnail

Mobile Data Traffic Offloading over Passpoint Hotspots

Sahar Hoteit , Stefano Secci , Guy Pujolle , Adam Wolisz , Cezary Ziemlicki et al.

Computer Networks, 2015, 84, pp.76-93. ⟨10.1016/j.comnet.2015.04.010⟩

Article dans une revue hal-01148410v1
Deposit thumbnail

Estimating human trajectories and hotspots through mobile phone data

Sahar Hoteit , Stefano Secci , Stanislav Sobolevsky , Carlo Ratti , Guy Pujolle

Computer Networks, 2014, 64, pp.296-307

Article dans une revue hal-01018885v1
Deposit thumbnail

A Nucleolus-based Approach for Resource Allocation in OFDMA Wireless Mesh Networks

Sahar Hoteit , Stefano Secci , Rami Langar , Guy Pujolle

IEEE Transactions on Mobile Computing, 2013, 12 (11), pp.2145-2154. ⟨10.1109/tmc.2012.177⟩

Article dans une revue hal-01018880v1
Deposit thumbnail

Energy Efficiency Maximization with SIC power aware Hybrid SDMA/NOMA scheme

Asmaa Amer , Shreya Khisa , Ali Amhaz , Chadi Assi , Sahar Hoteit et al.

IEEE International Conference on Communications, Jun 2025, Montreal, Canada

Communication dans un congrès hal-04905065v1
Deposit thumbnail

Mobility Aware Task Migration in Vehicular Edge Computing Networks

Rim Sayegh , Hela Marouane , Sahar Hoteit , Abdulhalim Dandoush

36th International Teletraffic Congress "Towards Sustainable Digital Infrastructures" (ITC 36), Jun 2025, Trondheim, Norway

Communication dans un congrès hal-05041406v1
Deposit thumbnail

Energy-Efficient Placement and Association in Disaggregated O-RAN

Hiba Hojeij , Sahar Hoteit , Véronique Vèque , Alexis I Aravanis

IEEE CNSM 2025, Oct 2025, Bologna, Italy

Communication dans un congrès hal-05329935v1
Deposit thumbnail

Multi-Resource Orchestration and Energy-Aware VNF Placement for Open RAN

Hiba Hojeij , Sahar Hoteit , Véronique Vèque

IEEE NETSOFT 2025, Jun 2025, Budapest (Hungary), Hungary

Communication dans un congrès hal-05109889v1
Deposit thumbnail

Flexible Association and Placement for Open-RAN

Hiba Hojeij , Guilherme Iecker , Mahdi Sharara , Sahar Hoteit , Véronique Vèque et al.

IEEE INFOCOM 2024 NG-OPERA: Next-generation Open and Programmable Radio Access Networks, May 2024, Vancouver (Canada), Canada. ⟨10.1109/infocomwkshps61880.2024.10620754⟩

Communication dans un congrès hal-04510233v1
Deposit thumbnail

Reinforcement Learning for Inter-Operator Sharing in Open-RAN

Mahdi Sharara , Sahar Hoteit , Véronique Vèque

IEEE INFOCOM 2024 - IEEE Conference on Computer Communications Workshops (INFOCOM WKSHPS), May 2024, Vancouver, Canada. ⟨10.1109/infocomwkshps61880.2024.10620880⟩

Communication dans un congrès hal-04504786v1
Deposit thumbnail

Using Early-Exit Deep Neural Networks to Accelerate Spectrum Classification in O-RAN

Roberto Goncalves Pacheco , Rodrigo de Souza Couto , Sahar Hoteit

20th International Conference on Wireless and Mobile Computing, Networking and Communications (WiMob), 10.1109/wimob61911.2024.10770369, Oct 2024, Paris, France

Communication dans un congrès hal-04702654v1
Deposit thumbnail

Quality of Service-Driven Overlapping Cooperative NOMA Scheme

Asmaa Amer , Sahar Hoteit , Jalel Ben-Othman

IFIP/IEEE Networking 2024: XR&6GNet, Jun 2024, Thessaloniki, Greece

Communication dans un congrès hal-04572693v1
Deposit thumbnail

Preliminary Evaluation and Optimization of Task Offloading and Latency in Vehicular Edge Computing

Rim Sayegh , Abdulhalim Dandoush , Hela Marouane , Sahar Hoteit

IEEE 21st International Conference on Smart Communities: Improving Quality of Life using AI, Robotics and IoT (HONET), Dec 2024, Doha, Qatar. ⟨10.1109/honet63146.2024.10822928⟩

Communication dans un congrès hal-04702892v1
Deposit thumbnail

Resource Allocation for Enabled-Network-Slicing in Cooperative NOMA-Based Systems with Underlay D2D Communications

Asmaa Amer , Sahar Hoteit , Jalel Ben-Othman

ICC 2023 - IEEE International Conference on Communications, May 2023, Rome, Italy. pp.1938-1883

Communication dans un congrès hal-03983057v1
Deposit thumbnail

Reinforcement Learning based model for Maximizing Operator's Profit in Open-RAN

Mahdi Sharara , Sahar Hoteit , Véronique Vèque

2023 IEEE/IFIP Network Operations and Management Symposium, May 2023, Miami, United States. ⟨10.1109/NOMS56928.2023.10154452⟩

Communication dans un congrès hal-03981411v1
Deposit thumbnail

Dynamic Placement of O-CU and O-DU Functionalities in Open-RAN Architecture

Hiba Hojeij , Mahdi Sharara , Sahar Hoteit , Véronique Vèque

IEEE International Conference on Sensing, Communication, and Networking, SECON, Sep 2023, Madrid, Spain. ⟨10.1109/secon58729.2023.10287529⟩

Communication dans un congrès hal-04117757v2
Deposit thumbnail

Minimizing Power Consumption by Joint Radio and Computing Resource Allocation in Cloud-RAN

Mahdi Sharara , Sahar Hoteit , Véronique Vèque , Francesca Bassi

IEEE Symposium on Computers and Communications (ISCC 2022), Jun 2022, Rhodes, Greece. ⟨10.1109/iscc55528.2022.9912943⟩

Communication dans un congrès hal-03737135v1
Deposit thumbnail

Policy-Gradient-Based Reinforcement Learning for Computing Resources Allocation in O-RAN

Mahdi Sharara , Turgay Pamuklu , Sahar Hoteit , Véronique Vèque , Melike Erol-Kantarci

2022 IEEE 11th International Conference on Cloud Networking (CloudNet), Nov 2022, Paris, France. ⟨10.1109/cloudnet55617.2022.9978863⟩

Communication dans un congrès hal-03791024v1

Efficient Data Collection using Aerial Mobile Sinks for Delay Tolerant Wireless Sensor Networks

Véronique Vèque , Djibrilla Incha Adamou , Sahar Hoteit , Lynda Zitoune

13th IFIP Wireless and Mobile Networking Conference (WMNC 2021), Oct 2021, Montreal, Canada. pp.17-24, ⟨10.23919/WMNC53478.2021.9618998⟩

Communication dans un congrès hal-03613770v1
Deposit thumbnail

A Recurrent Neural Network Based Approach for Coordinating Radio and Computing Resources Allocation in Cloud-RAN

Mahdi Sharara , Sahar Hoteit , Véronique Vèque

2021 IEEE 22nd International Conference on High Performance Switching and Routing (HPSR), Jun 2021, Paris, France. ⟨10.1109/HPSR52026.2021.9481812⟩

Communication dans un congrès hal-03370462v1
Deposit thumbnail

Coordination between Radio and Computing Schedulers in Cloud-RAN

Mahdi Sharara , Sahar Hoteit , Patrick Brown , Véronique Vèque

IFIP/IEEE International Symposium on Integrated Network Management, May 2021, Bordeaux (virtual), France

Communication dans un congrès hal-02977821v2
Deposit thumbnail

Coordination de l'ordonnancement radio et de calcul dans Cloud-RAN

Mahdi Sharara , Sahar Hoteit , Patrick Brown , Véronique Vèque

ALGOTEL 2021 — 23èmes Rencontres Francophones sur les Aspects Algorithmiques des Télécommunications, Jun 2021, La Rochelle, France

Communication dans un congrès hal-03218492v1
Deposit thumbnail

Real Traffic-Aware Scheduling of Computing Resources in Cloud-RAN

Hatem Khedher , Sahar Hoteit , Patrick Brown , Véronique Vèque , Ruby Krishnaswamy et al.

2020 International Conference on Computing, Networking and Communications (ICNC), Feb 2020, Big Island, United States. pp.422-427, ⟨10.1109/ICNC47757.2020.9049679⟩

Communication dans un congrès hal-02575252v1
Deposit thumbnail

Cloud-RAN Resource Scheduling based on real traffic model

Hatem Khedher , Sahar Hoteit , Patrick Brown , Véronique Vèque , Ruby Krishnaswamy et al.

ALGOTEL 2020 – 22èmes Rencontres Francophones sur les Aspects Algorithmiques des Télécommunications, Sep 2020, lyon, France

Communication dans un congrès hal-02868103v1
Deposit thumbnail

Processing Time Evaluation and Prediction in Cloud-RAN

Hatem Khedher , Sahar Hoteit , Patrick Brown , Ruby Krishnaswamy , William Diego et al.

ICC 2019 - 2019 IEEE International Conference on Communications (ICC), May 2019, Shanghai, France. pp.1-6, ⟨10.1109/ICC.2019.8761870⟩

Communication dans un congrès hal-02345783v1
Deposit thumbnail

Forecasting Individual Demand in Cellular Networks

Guangshuo Chen , Sahar Hoteit , Aline Carneiro Viana , Marco Fiore , Carlos Sarraute

Rencontres Francophones sur la Conception de Protocoles, l’Évaluation de Performance et l’Expérimentation des Réseaux de Communication, May 2018, Roscoff, France

Communication dans un congrès hal-01784747v1
Deposit thumbnail

Spatio-Temporal Completion of Call Detail Records for Human Mobility Analysis

Sahar Hoteit , Guangshuo Chen , Aline C Viana , Marco C Fiore

Rencontres Francophones sur la Conception de Protocoles, l’Évaluation de Performance et l’Expérimentation des Réseaux de Communication, May 2017, Quiberon, France

Communication dans un congrès hal-01516717v1
Deposit thumbnail

The Spatiotemporal Interplay of Regularity and Randomness in Cellular Data Traffic

Guangshuo Chen , Sahar Hoteit , Aline Carneiro Viana , Marco Fiore , Carlos Sarraute

LCN 2017 - The 42nd IEEE Conference on Local Computer Networks, Oct 2017, Singapore, Singapore. ⟨10.1109/lcn.2017.41⟩

Communication dans un congrès hal-01646359v1
Deposit thumbnail

On joint power allocation and multipath routing in femto-relay networks

Sahar Hoteit , Pierre Duhamel , Samson Lasaulce

IEEE International Conference on Communications (ICC 2016), May 2016, Kuala Lumpur, Malaysia. pp.1 - 6, ⟨10.1109/ICC.2016.7511024⟩

Communication dans un congrès hal-01437583v1
Deposit thumbnail

Filling the Gaps: On the Completion of Sparse Call Detail Records for Mobility Analysis

Sahar Hoteit , Guangshuo Chen , Aline Carneiro Viana , Marco Fiore

Proceedings of the Eleventh ACM Workshop on Challenged Networks, Oct 2016, New York City, United States. pp.45 - 50

Communication dans un congrès hal-01448821v1
Deposit thumbnail

Mobility-aware estimation of content consumption hotspots for urban cellular networks

Sahar Hoteit , Stefano Secci , Guy Pujolle , Vinh Hoa La , Cezary Ziemlicki et al.

IEEE/IFIP Network Operations and Management Symposium (NOMS 2014), May 2014, Krakow, Poland. pp.1-7, ⟨10.1109/NOMS.2014.6838312⟩

Communication dans un congrès hal-01131513v1
Deposit thumbnail

Quantifying the Achievable Cellular Traffic Offloading Gain with Passpoint Hotspots

Sahar Hoteit , Stefano Secci , Guy Pujolle , Sven Wietholter , Adam Wolisz et al.

WiMobCity'14 - ACM international workshop on Wireless and mobile technologies for smart cities, Aug 2014, Philadelphia, United States. pp.19-28, ⟨10.1145/2633661.2633672⟩

Communication dans un congrès hal-01131518v1
Deposit thumbnail

Estimating Real Human Trajectories through Mobile Phone Data

Sahar Hoteit , Stefano Secci , Stanislav Sobolevsky , Guy Pujolle , Carlo Ratti

MDM 2013 - 14th IEEE International Conference on Mobile Data Management, Jun 2013, Milan, Italy. pp.148-153, ⟨10.1109/MDM.2013.85⟩

Communication dans un congrès hal-01131515v1
Deposit thumbnail

Do Mobile Phone Data Allow Estimating Real Human Trajectory?

Sahar Hoteit , Stefano Secci , Stanislav Sobolevsky , Guy Pujolle , Carlo Ratti

Conference on the Analysis of Mobile Phone Datasets (NetMob), May 2013, Cambridge, United States. pp.36-37

Communication dans un congrès hal-01131520v1
Deposit thumbnail

Content consumption cartography of the paris urban region using cellular probe data

Sahar Hoteit , Stefano Secci , Guy Pujolle , Zhuochao He , Cezary Ziemlicki et al.

URBANE 2012, Dec 2012, Nice, France. ⟨10.1145/2413236.2413246⟩

Communication dans un congrès hal-01131516v1
Deposit thumbnail

A bankruptcy game approach for resource allocation in cooperative femtocell networks

Sahar Hoteit , Stefano Secci , Rami Langar , Guy Pujolle , Raouf Boutaba

IEEE Global Communications Conference (IEEE GLOBECOM), Dec 2012, Anaheim, United States. ⟨10.1109/GLOCOM.2012.6503376⟩

Communication dans un congrès hal-01131511v1
Deposit thumbnail

Strategic subchannel resource allocation for cooperative OFDMA Wireless Mesh Networks

Sahar Hoteit , Stefano Secci , Rami Langar , Guy Pujolle

IEEE International Conference on Communications (ICC 2012), Jun 2012, Ottawa, Canada. pp.440-444, ⟨10.1109/ICC.2012.6364139⟩

Communication dans un congrès hal-01131503v1
Deposit thumbnail

Enriching Sparse Mobility Information in Call Detail Records

Guangshuo Chen , Sahar Hoteit , Aline Carneiro Viana , Marco Fiore , Carlos Sarraute

[Technical Report] RT-0496, INRIA Saclay - Ile-de-France. 2017

Rapport (rapport technique) hal-01646608v2
Deposit thumbnail

Spatio-Temporal Predictability of Cellular Data Traffic

Guangshuo Chen , Sahar Hoteit , Aline Carneiro Viana , Marco Fiore , Carlos Sarraute

[Research Report] RT-0483, INRIA Saclay - Ile-de-France. 2017, pp.17

Rapport (rapport de recherche) hal-01393361v2
Deposit thumbnail

Relevance of Context for the Temporal Completion of Call Detail Record

Guangshuo Chen , Sahar Hoteit , Aline Carneiro Viana , Marco Fiore , Carlos Sarraute

[Research Report] RT-0482, INRIA Saclay. 2016, pp.14

Rapport (rapport de recherche) hal-01393364v1
Deposit thumbnail

Resource and crowd management in mobile networks

Sahar Hoteit

Networking and Internet Architecture [cs.NI]. Université Pierre et Marie Curie - Paris VI, 2014. English. ⟨NNT : 2014PA066245⟩

Thèse tel-01086696v1