Browsing by Author "Alouini, Mohamed-Slim"
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A game theoretic framework for green hetnets using D2D traffic offload and renewable energy powered base stations
Yaacoub, Elias; Ghazzai, Hakim; Alouini, Mohamed-Slim ( IGI Global , 2015 , Book chapter)This chapter investigates the interplay between cooperative device-to-device (D2D) communications and green communications in LTE heterogeneous networks (HetNets). Two game theoretic concepts are studied and analyzed in ... -
A game theoretic framework for green HetNets using D2D traffic offload and renewable energy powered base stations
Yaacoub, Elias; Ghazzai, Hakim; Alouini, Mohamed-Slim ( IGI Global , 2016 , Book chapter)This chapter investigates the interplay between cooperative device-to-device (D2D) communications and green communications in LTE heterogeneous networks (HetNets). Two game theoretic concepts are studied and analyzed in ... -
A genetic algorithm solution for the operation of green LTE networks with energy and environment considerations
Ghazzai, Hakim; Yaacoub, Elias; Alouini, Mohamed Slim; Abu-Dayya, Adnan ( Springer , 2012 , Conference)The Base Station (BS) sleeping strategy has become a well-known technique to achieve energy savings in cellular networks by switching off redundant BSs mainly for lightly loaded networks. Besides, the exploitation of ... -
A Hybrid Energy Sharing Framework for Green Cellular Networks
Farooq, Muhammad Junaid; Ghazzai, Hakim; Kadri, Abdullah; ElSawy, Hesham; Alouini, Mohamed-Slim ( Institute of Electrical and Electronics Engineers Inc. , 2017 , Conference)Cellular operators are increasingly turning toward renewable energy (RE) as an alternative to using traditional electricity in order to reduce operational expenditure and carbon footprint. Due to the randomness in both RE ... -
A time-varied probabilistic ON/OFF switching algorithm for cellular networks
Ben Rached, Nadhir; Ghazzai, Hakim; Kadri, Abdullah; Alouini, Mohamed-Slim ( Institute of Electrical and Electronics Engineers Inc. , 2018 , Article)In this letter, we develop a time-varied probabilistic on/off switching planning method for cellular networks to reduce their energy consumption. It consists in a risk-aware optimization approach that takes into consideration ... -
Achievable Rates of UAV-Relayed Cooperative Cognitive Radio MIMO Systems
Sboui, Lokman; Ghazzai, Hakim; Rezki, Zouheir; Alouini, Mohamed-Slim ( Institute of Electrical and Electronics Engineers Inc. , 2017 , Conference)We study the achievable rate of an uplink MIMO cognitive radio system where the primary user (PU) and the secondary user (SU) aim to communicate to the closest primary base station (BS) via a multi-access channel through ... -
Achieving energy efficiency in LTE with joint D2D communications and green networking techniques
Yaacoub, Elias; Ghazzai, Hakim; Alouini, Mohamed-Slim; Abu-Dayya, Adnan ( IEEE , 2013 , Conference)In this paper, the joint operation of cooperative device-to-device (D2D) communications and green cellular communications is investigated. An efficient approach for grouping mobile terminals (MTs) into cooperative clusters ... -
Antenna subset selection at multi-antenna relay with adaptive modulation
Choi, Seyeong; Hasna, Mazen O.; Yang, Hong-Chuan; Alouini, Mohamed-Slim ( John Wiley & Sons, Ltd. , 2013 , Article)In this paper, we proposed several antenna selection schemes for cooperative diversity systems with adaptive transmission. The proposed schemes were based on dual-hop relaying where a relay with multiple-antenna capabilities ... -
Bandwidth and power allocation for two-way relaying in overlay cognitive radio systems
Alsharoa, Ahmad; Ghazzai, Hakim; Yaacoub, Elias; Alouini, Mohamed-Slim ( IEEE , 2014 , Conference)In this paper, the problem of both bandwidth and power allocation for two-way multiple relay systems in overlay cognitive radio (CR) setup is investigated. In the CR overlay mode, primary users (PUs) cooperate with cognitive ... -
Channel modelling and performance analysis of V2I communication systems in blind bend scattering environments
Chelli, Ali; Hamdi, Rami; Alouini, Mohamed-Slim ( EMW Publishing , 2014 , Article)In this paper, we derive a new geometrical blind bend scattering model for vehicle-to- infrastructure (V2I) communications. The proposed model takes into account single-bounce and double- bounce scattering stemming from ... -
Cooperative ad hoc networks for energy and delay efficient content distribution with fast channel variations
Atat, Rachad; Yaacoub, Elias; Alouini, Mohamed-Slim; Abu-Dayya, Adnan ( John Wiley and Sons Ltd , 2012 , Article)Cooperative ad hoc networks for the efficient distribution of content of common interest are studied in the case of fast channel variations. Mobiles are grouped into cooperative clusters for the purpose of receiving the ... -
Cooperative relay-based multicasting for energy and delay minimization
Atat, Rachad; Yaacoub, Elias; Alouini, Mohamed-Slim; Abu-Dayya, Adnan ( IEEE , 2012 , Conference)Relay-based multicasting for the purpose of cooperative content distribution is studied. Optimized relay selection is performed with the objective of minimizing the energy consumption or the content distribution delay ... -
Delay efficient cooperation in public safety vehicular networks using LTE and IEEE 802.11p
Atat, Rachad; Yaacoub, Elias; Alouini, Mohamed-Slim; Filali, Fethi ( IEEE , 2012 , Conference)Cooperative schemes for critical content distribution over vehicular networks are presented and analyzed. The first scheme is based on unicasting from the base station, whereas the second is based on threshold based ... -
Delay-sensitive content distribution via peer-to-peer collaboration in public safety vehicular ad-hoc networks
Atat, Rachad; Yaacoub, Elias; Alouini, Mohamed-Slim; Filali, Fethi; Abu-Dayya, Adnan ( Elsevier , 2014 , Article)Delay-sensitive content distribution with peer-to-peer (P2P) cooperation in public safety vehicular networks is investigated. Two cooperative schemes are presented and analyzed. The first scheme is based on unicasting from ... -
Dynamic spectrum management in green cognitive radio cellular networks
Sboui, Lokman; Ghazzai, Hakim; Rezki, Zouheir; Alouini, Mohamed-Slim ( Institute of Electrical and Electronics Engineers Inc. , 2017 , Conference)In this paper, we propose a new cellular network operation scheme fulfilling the 5G requirements related to spectrum management and green communications. We focus on cognitive radio cellular networks in which both the ... -
Effects of Post and Early Selection on SEC Based Transmit Diversity Systems with Linear Power Loading
Hasna, M.O.; Yang, Hong-Chuan; Alouini, Mohamed-Slim ( IEEE , 2008 , Conference)Switch and examine combing (SEC) diversity scheme provides a lowest-complexity closed-loop transmit diversity solution. Furthermore, by probing sequentially available branches with different power loading levels, the SEC ... -
Efficient Fronthaul and Backhaul Connectivity for IoT Traffic in Rural Areas
Yaacoub, Elias; Alouini, Mohamed Slim ( Institute of Electrical and Electronics Engineers Inc. (IEEE) , 2021 , Article)In this article, internet of things (IoT) connectivity in rural areas is investigated. Both fronthaul and backhaul considerations are studied. First, intelligent radio resource management (RRM) and network planning techniques ... -
Energy management optimization for cellular networks under renewable energy generation uncertainty
Ben Rached, Nadhir; Ghazzai, Hakim; Kadri, Abdullah; Alouini, Mohamed-Slim ( Institute of Electrical and Electronics Engineers Inc. , 2017 , Conference)The integration of renewable energy (RE) as an alternative power source for cellular networks has been deeply investigated in the literature. However, RE generation is often assumed to be deterministic; an impractical ... -
Energy sharing framework for microgrid-powered cellular base stations
Farooq, Muhammad Junaid; Ghazzai, Hakim; Kadri, Abdullah; ElSawy, Hesham; Alouini, Mohamed-Slim ( IEEE , 2016 , Conference)Cellular base stations (BSs) are increasingly becoming equipped with renewable energy generators to reduce operational expenditures and carbon footprint of wireless communications. Moreover, advancements in the traditional ... -
Energy-efficient power allocation for UAV cognitive radio systems
Sboui, Lokman; Ghazzai, Hakim; Rezki, Zouheir; Alouini, Mohamed-Slim ( Institute of Electrical and Electronics Engineers Inc. , 2017 , Conference)We study the deployment of unmanned aerial vehicles (UAV) based cognitive system in an area covered by the primary network (PN). An UAV shares the spectrum of the PN and aims to maximize its energy efficiency (EE) by ...




