Academic literature on the topic 'Allocation des ressources radio'
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Journal articles on the topic "Allocation des ressources radio"
Balassa, Bela. "Politiques agricoles et allocation internationale des ressources." Économie rurale 189, no. 1 (1989): 22–28. http://dx.doi.org/10.3406/ecoru.1989.3948.
Full textHung, Nguyen Manh. "L’efficacité économique du mode d’allocation des ressources naturelles." Articles 51, no. 3 (July 15, 2009): 405–19. http://dx.doi.org/10.7202/800630ar.
Full textAudibert, Gérard, Hélène Gebel, and Michel Hasselmann. "Allocation de ressources médicales rares : enjeux éthiques et citoyens." Revue française d'éthique appliquée N° 12, no. 1 (June 13, 2022): 171–82. http://dx.doi.org/10.3917/rfeap.012.0171.
Full textFREYENS, BENOÎT PIERRE, and CHRIS JONES. "Efficient Allocation of Radio Spectrum." Journal of Public Economic Theory 16, no. 1 (June 25, 2013): 1–23. http://dx.doi.org/10.1111/jpet.12045.
Full textKloeck, Clemens, Holger Jaekel, and Friedrich Jondral. "Multi-Agent Radio Resource Allocation." Mobile Networks and Applications 11, no. 6 (December 2006): 813–24. http://dx.doi.org/10.1007/s11036-006-0051-4.
Full textGamel, Claude. "Comment financer l'allocation universelle? La stratégie de Van Parijs (1995) en question." Recherches économiques de Louvain 70, no. 3 (2004): 287–315. http://dx.doi.org/10.1017/s0770451800010769.
Full textNkengne, Patrick, and Léonie Marin. "L’allocation des ressources enseignantes en Afrique subsaharienne francophone : pour une meilleure équité des systèmes éducatifs." Éducation et francophonie 45, no. 3 (May 28, 2018): 35–60. http://dx.doi.org/10.7202/1046416ar.
Full textBello, N., and F. O. Edeko. "Designing a Spectrum Allocation Chart for Nigeria." Nigerian Journal of Environmental Sciences and Technology 5, no. 2 (October 2021): 320–28. http://dx.doi.org/10.36263/nijest.2021.02.0277.
Full textSauner-Leroy, Jacques-Bernard. "Allocation de ressources, avantage concurrentiel et performance des petites et moyennes entreprises de l’industrie manufacturière française." Revue internationale P.M.E. 15, no. 1 (February 16, 2012): 65–85. http://dx.doi.org/10.7202/1008801ar.
Full textZhang, Pei, Long Xiang Yang, and Xu Liu. "Subcarrier Allocation in Cognitive Radio Systems." Applied Mechanics and Materials 195-196 (August 2012): 154–58. http://dx.doi.org/10.4028/www.scientific.net/amm.195-196.154.
Full textDissertations / Theses on the topic "Allocation des ressources radio"
LE, BRIS LOIC. "Allocation de ressources radio dans les reseaux cellulaires." Paris 7, 1999. http://www.theses.fr/1999PA077136.
Full textSharara, Mahdi. "Resource Allocation in Future Radio Access Networks." Electronic Thesis or Diss., université Paris-Saclay, 2023. http://www.theses.fr/2023UPASG024.
Full textThis dissertation considers radio and computing resource allocation in future radio access networks and more precisely Cloud Radio Access Network (Cloud-RAN) and Open Radio Access Network (Open-RAN). In these architectures, the baseband processing of multiple base stations is centralized and virtualized. This permits better network optimization and allows for saving capital expenditure and operational expenditure. In the first part, we consider a coordination scheme between radio and computing schedulers. In case the computing resources are not sufficient, the computing scheduler sends feedback to the radio scheduler to update the radio parameters. While this reduces the radio throughput of the user, it guarantees that the frame will be processed at the computing scheduler level. We model this coordination scheme using Integer Linear Programming (ILP) with the objectives of maximizing the total throughput and users' satisfaction. The results demonstrate the ability of this scheme to improve different parameters, including the reduction of wasted transmission power. Then, we propose low-complexity heuristics, and we test them in an environment of multiple services with different requirements. In the second part, we consider the joint radio and computing resource allocation. Radio and computing resources are jointly allocated with the aim of minimizing energy consumption. The problem is modeled as a Mixed Integer Linear Programming Problem (MILP) and is compared to another MILP problem that maximizes the total throughput. The results demonstrate the ability of joint allocation to minimize energy consumption in comparison with the sequential allocation. Finally, we propose a low-complexity matching game-based algorithm that can be an alternative for solving the high-complexity MILP problem. In the last part, we investigate the usage of machine learning tools. First, we consider a deep learning model that aims to learn how to solve the coordination ILP problem, but with a much shorter time. Then, we consider a reinforcement learning model that aims to allocate computing resources for users to maximize the operator's profit
Maaz, Bilal. "Allocation des ressources radio dans les réseaux sans fil de la 5 G." Thesis, Université Paris-Saclay (ComUE), 2017. http://www.theses.fr/2017SACLV010/document.
Full textMobile communication is considered as one of the building blocks of smart cities, where citizens should be able to benefit from telecommunications services, wherever they are, whenever they want, and in a secure and non-costly way. This can be done by dense deployment of the latest generation of mobile broadband networks. However, this dense deployment will lead to higher energy consumption, and thus more gas emission and pollution. Therefore, it is crucial from environmental point of view to propose solution reducing energy consumption. In this thesis, we introduce dynamic resource management methods that increase throughput and energy efficiency, and thus reduce pollution. In this framework, we are targeting green multi-cell networks where increased energy efficiency must take into account the increased demand of data by mobile users. This increase, which is exponential in terms of throughput, pushed operators to use the entire frequency spectrum in all cells of the latest generation of mobile networks. As a result, Inter-Cellular Interference (ICI) became preponderant and degraded the performance of users, particularly those with poor radio conditions. In this thesis, we focus on the techniques of power control on the downlink direction, which is considered as one of the key methods of Inter-Cell Interference Coordination (ICIC) while focusing on energy efficient methods. We propose centralized and decentralized methods for this problem of power allocation: centralized methods through convex optimization, and decentralized methods based on non-cooperative game theory. Furthermore, we propose a power control heuristic which has the advantage of being stable and based on signaling messages already existing in the system. The power control problem has a relevant impact on the allocation of radio resources and on the association of mobile users with their servicing Base Station. Therefore, in the second part of the thesis, we formulated a global problem encompassing power control, radio resources allocation, and control of users’ association to a base station. These three sub-problems are treated iteratively until the convergence to the overall solution. In particular, we propose three algorithms for the user association problem: a centralized algorithm, a semi-distributed algorithm and finally a fully distributed algorithm based on reinforcement learning. In addition, for power allocation we implement centralized solutions and distributed solutions. The proof of convergence for the various algorithms is established and the in-depth simulations allow us to evaluate and compare quantitatively the performance, the energy efficiency, and the convergence time of the proposed algorithms
Enderle, Nicolas. "Allocation de ressources radios pour les services paquets dans l'umts." Paris, ENST, 2003. http://www.theses.fr/2003ENST0004.
Full textIn this thesis, we study scheduling policies on the umts radio interface for packet-switched services like web browsing. Moreover, we analyse the interaction between resource allocation algorithms and protocols involved in end-to-end data transmission like tcp (transmission control protocol) and rlc (radio link control). First, we model the radio resource consumption induced by active users. We then introduce a new factor : the total interference factor the radio efficiency factor. It represents the cost in radio resource per unit of throughput in order to serve a given user. Then, by formulating the resource allocation problem as an optimization problem of users' satisfaction, we present an optimal solution based on the ratio user satisfaction/radio efficiency. Thanks to these results, we build a dynamic allocation algorithm and compare our solution with existing ones from the litterature. The impact of tcp and rlc protocols is taken into account in this study
Zayen, Bassem. "Stratégies d'accès et d'allocations des ressources pour la radio cognitive." Paris, Télécom ParisTech, 2010. https://pastel.hal.science/pastel-00576459.
Full textCognitive radio is a promising technique for efficient spectrum utilization. It must dynamically monitors activity in the primary spectrum and adapts its transmission to available spectral resources. The blind spectrum sensing and resource allocation in cognitive radio are being addressed in this thesis. The aim of the first part of this research has been to investigate whether model selection or signal space dimension estimation and information theoretic distance measures could be used to improve spectrum detection performance in a blind way and low signal to noise region. Through a thorough research effort, two novel spectrum sensing algorithms based on distribution analysis and dimension estimation of the primary user received signal were proposed and analyzed. The second part of this thesis presents and analyzes two user selection strategies based on outage probability. One explored the idea of combining multi-user diversity gains with spectral sharing techniques to maximize the secondary users sum rate while maintaining the outage probability of the primary user not degraded with a distributed manner, the other treat the beamforming problem in the context of cognitive radio using multiuser MIMO secondary user system and proposes a user selection strategy based on outage probability
Jin, Xin. "Resource allocation in multicarrier cognitive radio networks." Electronic Thesis or Diss., Evry, Institut national des télécommunications, 2014. http://www.theses.fr/2014TELE0014.
Full textIn view of the wide usage of multicarrier modulation in wireless communications and the prominent contribution of Cognitive Radio (CR) to deal with critical shortage of spectrum resource, we focus on multicarrier based cognitive radio networks to investigate general resource allocation issues: subcarrier allocation, power allocation, routing, and beamforming in this thesis. We investigate two types of multicarrier modulation: Wavelet-based Orthogonal Frequency Division Multiplexing (WOFDM) and Fourier-based Orthogonal Frequency Division Multiplexing (OFDM). WOFDM adopts Wavelet Packet Modulation (WPM). Compared with fourier-based OFDM, wavelet-based OFDM achieves much lower side lobe in the transmitted signal. Wavelet-based OFDM excludes Cyclic Prefix (CP) which is used in fourier-based OFDM systems. Wavelet-based OFDM turns to exploit equalization to combat Inter-Symbol Interference (ISI). We evaluate the performance of WOFDM under different channel conditions. We compare the performance of wavelet-based OFDM using equalization in the time domain to that of fourier-based OFDM with CP and the equalization in the frequency domain
Mharsi, Niezi. "Cloud-Radio Access Networks : design, optimization and algorithms." Thesis, Université Paris-Saclay (ComUE), 2019. http://www.theses.fr/2019SACLT043/document.
Full textCloud Radio Access Network (C-RAN) has been proposed as a promising architecture to meet the exponential growth in data traffic demands and to overcome the challenges of next generation mobile networks (5G). The main concept of C-RAN is to decouple the BaseBand Units (BBU) and the Remote Radio Heads (RRH), and place the BBUs in common edge data centers (BBU pools) for centralized processing. This gives a number of benefits in terms of cost savings, network capacity improvement and resource utilization gains. However, network operators need to investigate scalable and cost-efficient algorithms for resource allocation problems to enable and facilitate the deployment of C-RAN architecture. Most of these problems are very complex and thus very hard to solve. Hence, we use combinatorial optimization which provides powerful tools to efficiently address these problems.One of the key issues in the deployment of C-RAN is finding the optimal assignment of RRHs (or antennas) to edge data centers (BBUs) when jointly optimizing the fronthaul latency and resource consumption. We model this problem by a mathematical formulation based on an Integer Linear Programming (ILP) approach to provide the optimal strategies for the RRH-BBU assignment problem and we propose also low-complexity heuristic algorithms to rapidly reach good solutions for large problem instances. The optimal RRH-BBU assignment reduces the expected latency and offers resource utilization gains. Such gains can only be achieved when reducing the inter-cell interference caused by the dense deployment of cell sites. We propose an exact mathematical formulation based on Branch-and-Cut methods that enables to consolidate and re-optimize the antennas radii in order to jointly minimize inter-cell interference and guarantee a full network coverage in C-RAN. In addition to the increase of inter-cell interference, the high density of cells in C-RAN increases the amount of baseband processing as well as the amount of data traffic demands between antennas and centralized data centers when strong latency requirements on fronthaul network should be met. Therefore, we discuss in the third part of this thesis how to determine the optimal placement of BBU functions when considering 3GPP split option to find optimal tradeoffs between benefits of centralization in C-RAN and transport requirements. We propose exact and heuristic algorithms based on combinatorial optimization techniques to rapidly provide optimal or near-optimal solutions even for large network sizes
Mharsi, Niezi. "Cloud-Radio Access Networks : design, optimization and algorithms." Electronic Thesis or Diss., Université Paris-Saclay (ComUE), 2019. http://www.theses.fr/2019SACLT043.
Full textCloud Radio Access Network (C-RAN) has been proposed as a promising architecture to meet the exponential growth in data traffic demands and to overcome the challenges of next generation mobile networks (5G). The main concept of C-RAN is to decouple the BaseBand Units (BBU) and the Remote Radio Heads (RRH), and place the BBUs in common edge data centers (BBU pools) for centralized processing. This gives a number of benefits in terms of cost savings, network capacity improvement and resource utilization gains. However, network operators need to investigate scalable and cost-efficient algorithms for resource allocation problems to enable and facilitate the deployment of C-RAN architecture. Most of these problems are very complex and thus very hard to solve. Hence, we use combinatorial optimization which provides powerful tools to efficiently address these problems.One of the key issues in the deployment of C-RAN is finding the optimal assignment of RRHs (or antennas) to edge data centers (BBUs) when jointly optimizing the fronthaul latency and resource consumption. We model this problem by a mathematical formulation based on an Integer Linear Programming (ILP) approach to provide the optimal strategies for the RRH-BBU assignment problem and we propose also low-complexity heuristic algorithms to rapidly reach good solutions for large problem instances. The optimal RRH-BBU assignment reduces the expected latency and offers resource utilization gains. Such gains can only be achieved when reducing the inter-cell interference caused by the dense deployment of cell sites. We propose an exact mathematical formulation based on Branch-and-Cut methods that enables to consolidate and re-optimize the antennas radii in order to jointly minimize inter-cell interference and guarantee a full network coverage in C-RAN. In addition to the increase of inter-cell interference, the high density of cells in C-RAN increases the amount of baseband processing as well as the amount of data traffic demands between antennas and centralized data centers when strong latency requirements on fronthaul network should be met. Therefore, we discuss in the third part of this thesis how to determine the optimal placement of BBU functions when considering 3GPP split option to find optimal tradeoffs between benefits of centralization in C-RAN and transport requirements. We propose exact and heuristic algorithms based on combinatorial optimization techniques to rapidly provide optimal or near-optimal solutions even for large network sizes
Jin, Xin. "Resource allocation in multicarrier cognitive radio networks." Thesis, Evry, Institut national des télécommunications, 2014. http://www.theses.fr/2014TELE0014/document.
Full textIn view of the wide usage of multicarrier modulation in wireless communications and the prominent contribution of Cognitive Radio (CR) to deal with critical shortage of spectrum resource, we focus on multicarrier based cognitive radio networks to investigate general resource allocation issues: subcarrier allocation, power allocation, routing, and beamforming in this thesis. We investigate two types of multicarrier modulation: Wavelet-based Orthogonal Frequency Division Multiplexing (WOFDM) and Fourier-based Orthogonal Frequency Division Multiplexing (OFDM). WOFDM adopts Wavelet Packet Modulation (WPM). Compared with fourier-based OFDM, wavelet-based OFDM achieves much lower side lobe in the transmitted signal. Wavelet-based OFDM excludes Cyclic Prefix (CP) which is used in fourier-based OFDM systems. Wavelet-based OFDM turns to exploit equalization to combat Inter-Symbol Interference (ISI). We evaluate the performance of WOFDM under different channel conditions. We compare the performance of wavelet-based OFDM using equalization in the time domain to that of fourier-based OFDM with CP and the equalization in the frequency domain
Nasreddine, Jad. "Allocation de ressources radios dans les systèmes UMTS à duplexage temporel." Rennes 1, 2005. http://www.theses.fr/2005REN1S009.
Full textBooks on the topic "Allocation des ressources radio"
IX-Dauphine, Université Paris, ed. Allocation des ressources avec communication limitée. Grenoble: A.N.R.T. Université Pierre Mendès France Grenoble 2, 1992.
Find full textGreat Britain. Department of Trade and Industry. Radiocommunications Division. Table of U.K. radio frequency allocation. London: Department of Trade and Industry, 1986.
Find full textOrganisation for Economic Co-operation and Development., ed. The economics of radio frequency allocation. Paris: Organisation for Economic Co-operation and Development, 1993.
Find full textAuthority, Malawi Communications Regulatory. The Malawi National Frequency Allocation Plan. Blantyre, Malawi: Malawi Communications Regulatory Authority, 2013.
Find full textInternational Telecommunication Union. General Secretariat. Radio regulations. Geneva: The Secretariat, 1998.
Find full textUnion, International Telecommunications. Radio regulations. 2nd ed. Geneva: International Telecommunications Union, 2004.
Find full textInternational Telecommunication Union. General Secretariat. Radio regulations. [Geneva]: The Secretariat, 1990.
Find full textInternational Telecommunication Union. General Secretariat. Radio regulations. [Geneva]: The Secretariat, 1985.
Find full textEuropean Science Foundation. Committee on Radio Astronomy Frequencies. CRAF handbook for radio astronomy. 2nd ed. Dwingeloo, The Netherlands: CRAF Secretariat, Netherlands Foundation for Research in Astronomy, 1997.
Find full textWithers, D. J. Radio spectrum management. London, U.K: P. Peregrinus Ltd. on behalf of the Institution of Electrical Engineers, 1991.
Find full textBook chapters on the topic "Allocation des ressources radio"
Wang, Shaowei. "Dynamic Resource Allocation." In Cognitive Radio Networks, 9–25. Cham: Springer International Publishing, 2014. http://dx.doi.org/10.1007/978-3-319-08936-2_2.
Full textEl-Moghazi, Mohamed Ali, and Jason Whalley. "Radiocommunication Service Allocation." In The International Radio Regulations, 53–79. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-88571-7_4.
Full textGhorbanzadeh, Mo, Ahmed Abdelhadi, and Charles Clancy. "Radio Resource Block Allocation." In Cellular Communications Systems in Congested Environments, 117–46. Cham: Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-46267-7_6.
Full textGhorbanzadeh, Michael, and Ahmed Abdelhadi. "Radio Resource Block Allocation." In Practical Channel-Aware Resource Allocation, 71–91. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-73632-3_4.
Full textBenmammar, Badr, and Asma Amraoui. "Cognitive Radio." In Radio Resource Allocation and Dynamic Spectrum Access, 23–38. Hoboken, NJ USA: John Wiley & Sons, Inc., 2013. http://dx.doi.org/10.1002/9781118575116.ch2.
Full textKazmi, S. M. Ahsan, Latif U. Khan, Nguyen H. Tran, and Choong Seon Hong. "Network Slicing: Radio Resource Allocation." In Network Slicing for 5G and Beyond Networks, 43–67. Cham: Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-16170-5_4.
Full textKwon, Yangsoo, Jungwon Suh, Jaehak Chung, and Joohee Kim. "Multiband Radio Resource Allocation for Cognitive Radio Systems." In Lecture Notes in Computer Science, 480–86. Berlin, Heidelberg: Springer Berlin Heidelberg, 2006. http://dx.doi.org/10.1007/11893011_61.
Full textKoliadenko, Yulia, Mykola Moskalets, Valerii Badieiev, and Roman Savchenko. "Method Radio Resource Allocation in Cognitive Radio Network." In Information and Communication Technologies and Sustainable Development, 102–15. Cham: Springer Nature Switzerland, 2023. http://dx.doi.org/10.1007/978-3-031-46880-3_7.
Full textWang, Shaowei. "Spectral-Efficient Resource Allocation in CR Systems." In Cognitive Radio Networks, 27–65. Cham: Springer International Publishing, 2014. http://dx.doi.org/10.1007/978-3-319-08936-2_3.
Full textWang, Shaowei. "Energy-Efficient Resource Allocation in CR Systems." In Cognitive Radio Networks, 67–91. Cham: Springer International Publishing, 2014. http://dx.doi.org/10.1007/978-3-319-08936-2_4.
Full textConference papers on the topic "Allocation des ressources radio"
Yoshikawa, Kotaro, Takumi Tanagi, and Koichi Adachi. "Radio Resource Allocation Scheme Considering Future Channel Conditions Based on Radio Environment Map." In 2024 VTS Asia Pacific Wireless Communications Symposium (APWCS), 1–5. IEEE, 2024. http://dx.doi.org/10.1109/apwcs61586.2024.10679301.
Full textKabaou, Mohamed Ouwais, Belgacem Chibani Rhaimi, Mohamed Naceur Abdelkrim, and Mongi Marzoug. "Radio ressource allocation for multimedia traffic over wireless channels in OFDMA downlink systems." In 2010 2nd International Conference on Advanced Computer Control. IEEE, 2010. http://dx.doi.org/10.1109/icacc.2010.5486849.
Full textKhabir, Abdelilah, Zoubir Elfelssoufi, and Hamid Azzouzi. "Flexible Allocation of Human Ressources Uder Constraints." In 2019 International Colloquium on Logistics and Supply Chain Management (LOGISTIQUA). IEEE, 2019. http://dx.doi.org/10.1109/logistiqua.2019.8907314.
Full textLabdaoui, Rym, Khalida Ghanem, and Fatiha Youcef Ettoumi. "Using market equilibrium optimization technique for ressource allocations in underlay cognitive radio." In 2015 International Conference on Electrical and Information Technologies (ICEIT). IEEE, 2015. http://dx.doi.org/10.1109/eitech.2015.7162981.
Full textZhioua, Ghayet El Mouna, Soumaya Hamouda, Philippe Godlewski, and Sami Tabbane. "A femtocells ressources allocation scheme in OFDMA based networks." In 2010 Second International Conference on Communications and Networking (ComNet). IEEE, 2010. http://dx.doi.org/10.1109/comnet.2010.5699812.
Full textNicolicin-Georgescu, Vlad, Vincent Benatier, Remi Lehn, and Henri Briand. "Ontology-Based Autonomic Computing for Decision Support Systems Management: Shared Ressources Allocation between Groups of Data Warehouses." In 2010 Third International Conference on Communication Theory, Reliability, and Quality of Service. IEEE, 2010. http://dx.doi.org/10.1109/ctrq.2010.46.
Full textChu, Feng-Seng, and Kwang-Cheng Chen. "Radio Resource Allocation in OFDMA Cognitive Radio Systems." In 2007 IEEE 18th International Symposium on Personal, Indoor and Mobile Radio Communications. IEEE, 2007. http://dx.doi.org/10.1109/pimrc.2007.4394507.
Full textLin, Pin-Hsun, Tong-Hua Hsieh, and Hsuan-Jung Su. "Resource allocation for cognitive radio." In First International Workshop. New York, New York, USA: ACM Press, 2007. http://dx.doi.org/10.1145/1577382.1577385.
Full textMoura, David F. C., Juraci F. Galdino, and Ronaldo M. Salles. "Autonomic radio networks channel allocation." In MILCOM 2008 - 2008 IEEE Military Communications Conference (MILCOM). IEEE, 2008. http://dx.doi.org/10.1109/milcom.2008.4753456.
Full textHe, Zhenfeng, and M. K. Gurcan. "Optimizing radio resource allocation in HSDPA using 2 group allocation." In the 2009 International Conference. New York, New York, USA: ACM Press, 2009. http://dx.doi.org/10.1145/1582379.1582622.
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