Browsing by Author "Khalfi, Bassem"
Now showing items 1-14 of 14
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Cooperative joint power splitting and allocation approach for simultaneous energy delivery and data transfer
Ben Ghorbel, Mahdi; Guizani, Mohsen; Khalfi, Bassem; Hamdaoui, Bechir ( Institute of Electrical and Electronics Engineers Inc. , 2015 , Conference Paper)In this paper, we propose to minimize the total energy consumption cost of a simultaneous data transmission and power delivery from different sources. The receiver is designed to simultaneously process information and ... -
Distributed fair spectrum assignment for large-scale wireless DSA networks
Khalfi, Bassem; Ben Ghorbel, Mahdi; Hamdaoui, Bechir; Guizani, Mohsen ( Springer Verlag , 2015 , Conference Paper)This paper proposes a distributed and fair resource allocation scheme for large-scale wireless dynamic spectrum access networks based on particle filtering theory. We introduce a proportionally fair global objective function ... -
Distributed Learning-Based Cross-Layer Technique for Energy-Efficient Multicarrier Dynamic Spectrum Access with Adaptive Power Allocation
Ben Ghorbel, Mahdi; Hamdaoui, Bechir; Guizani, Mohsen; Khalfi, Bassem ( Institute of Electrical and Electronics Engineers Inc. , 2016 , Article)This paper proposes energy and cross-layer aware resource allocation techniques that allow dynamic spectrum access (DSA) users, by means of learning algorithms, to locate and exploit unused spectrum opportunities effectively. ... -
Dynamic power pricing using distributed resource allocation for large-scale DSA systems
Khalfi, Bassem; Ben Ghorbel, Mahdi; Hamdaoui, Bechir; Guizani, Mohsen ( Institute of Electrical and Electronics Engineers Inc. , 2015 , Conference Paper)In this paper, we propose dynamic power pricing for distributed resource allocation in large-scale Dynamic Spectrum Access (DSA) systems. The dynamic power pricing is considered to influence the users' spectrum assignment ... -
Dynamic users assignment and bandwidth allocation for energy efficient hybrid powered communication systems
Touzri, Taha; Ghorbel, Mahdi Ben; Hamdaoui, Bechir; Guizani, Mohsen; Khalfi, Bassem ( Institute of Electrical and Electronics Engineers Inc. , 2016 , Conference Paper)In this paper, we aim to encourage the use of renewable power in communication systems through hybrid powering. The problem consists of optimizing the resource allocation problem using the hybrid powering from renewable ... -
Efficient Usage of Renewable Energy in Communication Systems Using Dynamic Spectrum Allocation and Collaborative Hybrid Powering
Touzri, Taha; Ghorbel, Mahdi Ben; Hamdaoui,Bechir; Guizani, Mohsen; Khalfi, Bassem ( Institute of Electrical and Electronics Engineers Inc. , 2016 , Article)In this paper, we introduce a new green resource allocation problem using hybrid powering of communication systems from renewable and nonrenewable sources. The objective is to efficiently allocate the power delivered from ... -
Exploiting wideband spectrum occupancy heterogeneity for weighted compressive spectrum sensing
Khalfi, Bassem; Hamdaoui, Bechir; Guizani, Mohsen; Zorba, Nizar ( Institute of Electrical and Electronics Engineers Inc. , 2017 , Conference Paper)Compressive sampling has shown great potential for making wideband spectrum sensing possible at sub-Nyquist sampling rates. As a result, there have recently been research efforts that aimed to develop techniques that ... -
Joint data and power transfer optimization for energy harvesting wireless networks
Khalfi, Bassem; Hamdaoui, Bechir; Ghorbel, Mahdi Ben; Guizani, Mohsen; Zhang, Xi ( Institute of Electrical and Electronics Engineers Inc. , 2016 , Conference Paper)Energy harvesting techniques emerge as a potential solution for prolonging the lifetime of the energy-constrained mobile wireless devices. In this paper, we focus on radio frequency (RF) energy harvesting for multiuser ... -
Joint user-channel assignment for efficient use of renewable energy in hybrid powered communication systems
Ben Ghorbel, Mahdi; Touzri, Taha; Hamdaoui, Bechir; Guizani, Mohsen; Khalfi, Bassem ( Institute of Electrical and Electronics Engineers Inc. , 2015 , Conference Paper)In this paper, we introduce a new green resource allocation problem using hybrid powering of the communication system from renewable and non-renewable sources. The objective is to efficiently allocate the power delivered ... -
Optimal power allocation for smart-grid powered point-to-point cognitive radio system
Khalfi, Bassem; Ben Ghorbel, Mahdi; Hamdaoui, Bechir; Guizani, Mohsen ( IEEE , 2014 , Conference Paper)This paper proposes an optimal power allocation analysis for a point-to-point wireless system when powered by a smart grid. We propose to minimize the total power consumption cost while ensuring individual and total ... -
Optimizing joint data and power transfer in energy harvesting multiuser wireless networks
Khalfi, Bassem; Hamdaoui, Bechir; Ghorbel, Mahdi Ben; Guizani, Mohsen; Zhang Xi.; Zorba, Nizar... more authors ... less authors ( Institute of Electrical and Electronics Engineers Inc. , 2017 , Article)Energy harvesting emerges as a potential solution for prolonging the lifetime of the energy-constrained mobile wireless devices. In this paper, we focus on radio frequency (RF) energy harvesting for multiuser multicarrier ... -
Power allocation analysis for dynamic power utility in cognitive radio systems
Ghorbel, Mahdi Ben; Khalfi, Bassem; Hamdaoui, Bechir; Guizani, Mohsen ( Institute of Electrical and Electronics Engineers Inc. , 2015 , Conference Paper)The focus of this paper is to investigate the fundamental limits of power allocation when taking into account a dynamic power pricing scheme. This paper proposes an optimal power allocation analysis for wireless systems ... -
Resources allocation for large-scale dynamic spectrum access system using particle filtering
Ben Ghorbel, Mahdi; Khalfi, Bassem; Hamdaoui, Bechir; Guizani, Mohsen ( IEEE , 2014 , Conference Paper)This paper proposes an efficient spectrum and power allocation solution for a large scale dynamic spectrum access (DSA) systems. Unlike conventional methods relying on optimization techniques which need huge computational ... -
Scalable spectrum database construction mechanisms for efficient wideband spectrum access management
Khalfi, Bassem; Hamdaoui, Bechir; Guizani, Mohsen; Elmaghbub, Abdurrahman ( Elsevier B.V. , 2021 , Article)We propose a novel framework for enabling scalable database-driven dynamic spectrum access and sharing of heterogeneous wideband spectrum. The proposed framework consists of two complementary approaches that exploit the ...