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Статті в журналах з теми "Open Radio access networks, ORAN"

1

Pepadu, Jurnal, and Muhamad Shodikin. "ANALISIS PERANCANGAN LTE HOME PADA JARINGAN 4G LTE BERBASIS OPEN RADIO ACCESS NETWORK." Jurnal Pepadu 2, no. 4 (October 29, 2021): 408–20. http://dx.doi.org/10.29303/pepadu.v2i4.2255.

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Penelitian tentang LTE berlanjut hingga teknologi generasi kelima secara resmi ditetapkan oleh badan standar. Ketersediaan jaringan transmisi berbasis serat optik mendorong riset untuk mengoptimalkan kecepatan akses pelanggan rumahan sehingga PT Telkomsel meluncurkan layanan LTE Home berbasis modem CPE untuk menghadirkan komunikasi LTE. Dasar dari teknologi LTE Home adalah penguat sinyal menggunakan modem CPE di rumah pelanggan. Mudah diimplementasikan tetapi memiliki kelemahan yaitu tidak memancarkan sinyalnya sendiri dan membebani pemancar sumber LTE. Penelitian ini mengusulkan teknologi LTE Home berbasis Open Radio Access Network (ORAN) sebagai solusi, dengan memasang pemancar LTE Home di rumah pelanggan dan terkoneksi langsung ke jaringan inti melalui transmisi pita lebar milik sendiri / sewa. Penelitian ini penting dilakukan karena dapat menyelesaikan masalah konektivitas tidak langsung dengan sistem jaringan inti yang terjadi pada LTE Home berbasis modem CPE dan juga membuka peluang penerapan teknologi seperti IoT untuk rumah pintar dan gedung pintar. Metode penelitian ini menganalisis desain LTE Home berbasis ORAN, model pengukuran Key Performance Indicator (KPI) dan integrasinya ke dalam operator seluler. Batasan penelitian adalah eksplorasi teknologi LTE berbasis ORAN yang disimulasikan secara virtual terintegrasi dengan komponen Open Source. Luaran penelitian ini mendeskripsikan desain LTE Home berbasis ORAN, mendeskripsikan hardware dan software berbasis Open Source yang digunakan, menjelaskan desain dan simulasi teknik LTE Home berbasis ORAN, menjelaskan bahwa ORAN merupakan teknologi berbasis Open Source yang murah namun layak.
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2

Adrian Kliks, Marcin Dryjanski, Vishnu Ram, Leon Wong, and Paul Harvey. "Towards autonomous open radio access networks." ITU Journal on Future and Evolving Technologies 4, no. 2 (May 17, 2023): 251–68. http://dx.doi.org/10.52953/gjii3746.

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Анотація:
In this paper we give an overview of an open disaggregated network architecture based on an Open Radio Access Network (O-RAN), including the current work from standards bodies and industry bodies in this area. Based on this architecture, a framework for the automation of xApp development and deployment is proposed. This is then aligned with the key concepts described in ITU-T in terms of the evolution, experimentation, and adaptation of controllers. The various steps in such an aligned workflow, including design, validation, and deployment of xApps, are discussed, and use case examples are provided to illustrate further our position regarding the mechanisms needed to achieve automation.
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3

Plantin, Jean-Christophe. "The geopolitical hijacking of open networking: the case of Open RAN." European Journal of Communication 36, no. 4 (July 9, 2021): 404–17. http://dx.doi.org/10.1177/02673231211028375.

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This article investigates how discourses on open networking technologies provide a social imaginary that industry and government actors mobilize in an attempt to expand their control over mobile telecommunications networks. The case of recent initiatives aiming to ‘open up’ radio access network (or RAN, a key component of telecommunications infrastructure) with an ‘open RAN’ model reveals how the US Government came to promote this nascent technology to create an opposition between its own ‘open’ telecommunications networks versus proprietary and presumed ‘untrustworthy’ networks based on foreign equipment, namely Huawei. While a closer look casts doubts on the benefits of open radio access network to increase network security or to open up the equipment market, this case reveals how openness is an ambiguous notion that can be used by governments to exclude foreign trade enemies, while advocating for trust in telecommunications networks.
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4

Dryjański, Marcin, Łukasz Kułacz, and Adrian Kliks. "Toward Modular and Flexible Open RAN Implementations in 6G Networks: Traffic Steering Use Case and O-RAN xApps." Sensors 21, no. 24 (December 7, 2021): 8173. http://dx.doi.org/10.3390/s21248173.

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Анотація:
The development of cellular wireless systems has entered the phase when 5G networks are being deployed and the foundations of 6G solutions are being identified. However, in parallel to this, another technological breakthrough is observed, as the concept of open radio access networks is coming into play. Together with advancing network virtualization and programmability, this may reshape the way the functionalities and services related to radio access are designed, leading to modular and flexible implementations. This paper overviews the idea of open radio access networks and presents ongoing O-RAN Alliance standardization activities in this context. The whole analysis is supported by a study of the traffic steering use case implemented in a modular way, following the open networking approach.
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5

Tsagkaris, Kostas, George Poulios, Panagiotis Demestichas, Abdoulaye Tall, Zwi Altman, and Christian Destré. "An open framework for programmable, self-managed radio access networks." IEEE Communications Magazine 53, no. 7 (July 2015): 154–61. http://dx.doi.org/10.1109/mcom.2015.7158279.

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6

Wypiór, Dariusz, Mirosław Klinkowski, and Igor Michalski. "Open RAN—Radio Access Network Evolution, Benefits and Market Trends." Applied Sciences 12, no. 1 (January 1, 2022): 408. http://dx.doi.org/10.3390/app12010408.

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Анотація:
Open RAN (radio access network) movement is perceived as a game changer, having robust potential to introduce shifts in mobile radio access networks towards tailor-made solutions based on the architecture decomposition. It is widely assumed that those changes will affect the approach to network deployments and supply chains of network elements and their further integration and maintenance. First deployments of O-RAN-based networks have already delivered broadband services to end users. In parallel, many proof-of-concept feature evaluations and theoretical studies are being conducted by academia and the industry. In this review, the authors describe the RAN evolution towards open models and make an attempt to indicate potential open RAN benefits and market trends.
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7

Azariah, Wilfrid, Fransiscus Asisi Bimo, Chih-Wei Lin, Ray-Guang Cheng, Navid Nikaein, and Rittwik Jana. "A Survey on Open Radio Access Networks: Challenges, Research Directions, and Open Source Approaches." Sensors 24, no. 3 (February 5, 2024): 1038. http://dx.doi.org/10.3390/s24031038.

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Анотація:
The open radio access network (RAN) aims to bring openness and intelligence to the traditional closed and proprietary RAN technology and offer flexibility, performance improvement, and cost-efficiency in the RAN’s deployment and operation. This paper provides a comprehensive survey of the Open RAN development. We briefly summarize the RAN evolution history and the state-of-the-art technologies applied to Open RAN. The Open RAN-related projects, activities, and standardization is then discussed. We then summarize the challenges and future research directions required to support the Open RAN. Finally, we discuss some solutions to tackle these issues from the open source perspective.
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8

Iturria-Rivera, Pedro Enrique, Han Zhang, Hao Zhou, Shahram Mollahasani, and Melike Erol-Kantarci. "Multi-Agent Team Learning in Virtualized Open Radio Access Networks (O-RAN)." Sensors 22, no. 14 (July 19, 2022): 5375. http://dx.doi.org/10.3390/s22145375.

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Анотація:
Starting from the concept of the Cloud Radio Access Network (C-RAN), continuing with the virtual Radio Access Network (vRAN) and most recently with the Open RAN (O-RAN) initiative, Radio Access Network (RAN) architectures have significantly evolved in the past decade. In the last few years, the wireless industry has witnessed a strong trend towards disaggregated, virtualized and open RANs, with numerous tests and deployments worldwide. One unique aspect that motivates this paper is the availability of new opportunities that arise from using machine learning, more specifically multi-agent team learning (MATL), to optimize the RAN in a closed-loop where the complexity of disaggregation and virtualization makes well-known Self-Organized Networking (SON) solutions inadequate. In our view, Multi-Agent Systems (MASs) with MATL can play an essential role in the orchestration of O-RAN controllers, i.e., near-real-time and non-real-time RAN Intelligent Controllers (RIC). In this article, we first provide an overview of the landscape in RAN disaggregation, virtualization and O-RAN, then we present the state-of-the-art research in multi-agent systems and team learning as well as their application to O-RAN. We present a case study for team learning where agents are two distinct xApps: power allocation and radio resource allocation. We demonstrate how team learning can enhance network performance when team learning is used instead of individual learning agents. Finally, we identify challenges and open issues to provide a roadmap for researchers in the area of MATL based O-RAN optimization.
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9

Kaarthik, K., P. T. Sivagurunathan, and S. Sivaranjani. "A REVIEW ON SPECTRUM SENSING METHODS FOR COGNITIVE RADIO NETWORKS." JOURNAL OF ADVANCES IN CHEMISTRY 12, no. 18 (November 16, 2016): 5053–57. http://dx.doi.org/10.24297/jac.v12i18.5380.

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Анотація:
In Wireless Communication, Radio Spectrum is doing a vital role; for the future need it should use efficient. The existing system, it is not possible to use it efficiently where the allocation of spectrum is done based on fixed spectrum access (FSA) policy. Several surveys prove that it show the way to inefficient use of spectrum. An innovative technique is needed for spectrum utilization effectively. Using Dynamic spectrum access (DSA) policy, available spectrum can be exploited. Cognitive radio arises to be an attractive solution which introduces opportunistic usage of the frequency bands that are not commonly occupied by licensed users. Cognitive radios promote open spectrum allocation which is a clear departure from habitual command and control allocation process for radio spectrum usage. In short, it permits the formation of “infrastructure-less” joint network clusters which is called Cognitive Radio Networks (CRN). Conversely the spectrum sensing techniques are needed to detect free spectrum. In this paper, different spectrum sensing techniques are analyzed.
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10

Sun, Yaohua, Mugen Peng, Yijing Ren, Li Chen, Li Yu, and Shiqiang Suo. "Harmonizing Artificial Intelligence with Radio Access Networks: Advances, Case Study, and Open Issues." IEEE Network 35, no. 4 (July 2021): 144–51. http://dx.doi.org/10.1109/mnet.011.2000656.

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Більше джерел

Дисертації з теми "Open Radio access networks, ORAN"

1

Foroughi, Parisa. "Towards network automation : planning and monitoring." Electronic Thesis or Diss., Institut polytechnique de Paris, 2022. http://www.theses.fr/2022IPPAT038.

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La gestion de réseau subit des changements radicaux en raison des attentes élevées de l’infrastructure pour supporter de nouveaux services. Les diverses exigences de ces services nécessitent l’intégration de nouvelles technologies habilitantes qui compliquent le processus de surveillance et de planification du réseau. Par conséquent, pour alléger la charge et augmenter la précision de la surveillance et de la planification, des solutions plus automatisées au niveau des éléments/dispositifs sont nécessaires. Dans cette thèse, nous proposons un cadre semi-automatique appelé AI-driven telemetry (ADT) pour collecter, traiter et évaluer l’état des routeurs en utilisant des données de télémétrie en continu. ADT se compose de 4 blocs de construction : le collecteur, le détecteur, l’explicateur et l’exportateur. Nous nous concentrons sur le bloc de détection dans ADT et proposons une technique de détection de changement en ligne multi-variable appelée DESTIN. Notre étude sur le bloc d’explication de la TAD se limite à explorer le potentiel des données d’entrée et à montrer la possibilité d’une description automatique des événements. Ensuite, nous abordons le problème de la planification et du dimensionnement dans les réseaux d’accès radio équipés de serveurs périphériques distribués. Nous proposons un modèle qui satisfait aux exigences de service et utilise les nouvelles technologies habilitantes, c’est-à-dire le découpage en tranches du réseau et les techniques de virtualisation. Nous montrons les avantages de l’utilisation de notre modèle holistique pour automatiser la planification des réseaux d’accès radio en utilisant le recuit simulé et les méthodes gourmandes
Network management is undergoing drastic changes due to the high expectations of the infrastructure to support new services. The diverse requirements of these services, call for the integration of new enabler technologies that complicate the network monitoring and planning process. Therefore, to alleviate the burden and increase the monitoring and planning accuracy, more automated solutions on the element/device level are required. In this thesis, we propose a semi-automated framework called AI-driven telemetry (ADT) for collecting, processing, and assessing the state of routers using streaming telemetry data. ADT consists of 4 building blocks: collector, detector, explainer, and exporter. We concentrate on the detection block in ADT and propose a multi-variate online change detection technique called DESTIN. Our study on the explainer block of ADT is limited to exploring the potential of the input data and showcasing the possibility of the automated event description. Then, we tackle the problem of planning and dimensioning in radio access networks equipped with distributed edge servers. We propose a model that satisfies the service requirements and makes use of novel enabler technologies, i.e. network slicing and virtualization techniques. We showcase the advantages of using our holistic model to automate RAN planning by utilizing simulated annealing and greedy methods
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2

Sharara, Mahdi. "Resource Allocation in Future Radio Access Networks." Electronic Thesis or Diss., université Paris-Saclay, 2023. http://www.theses.fr/2023UPASG024.

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Cette thèse considère l'allocation des ressources radio et de calcul dans les futurs réseaux d'accès radio et plus précisément dans les réseaux Cloud-RAN (Cloud-Radio Access Networks) ainsi que les réseaux Open-RAN (Open-Radio Access Networks). Dans ces architectures, le traitement en bande de base de plusieurs stations de base est centralisé et virtualisé. Cela permet une meilleure optimisation du réseau et une réduction des dépenses d'investissement et d'exploitation. Dans la première partie de cette thèse, nous considérons un schéma de coordination entre les ordonnanceurs radio et de calcul. Dans le cas où les ressources de calcul ne sont pas suffisantes, l'ordonnanceur de calcul envoie un retour d'information à l'ordonnanceur radio pour mettre à jour les paramètres radio. Bien que cela réduise le débit radio de l'utilisateur, il garantit que la trame sera traitée au niveau de l'ordonnanceur de calcul. Nous modélisons ce schéma de coordination à l'aide de la programmation linéaire en nombres entiers (ILP) avec comme objectifs de maximiser le débit total ainsi que la satisfaction des utilisateurs. Les résultats montrent la capacité de ce schéma de coordination à améliorer différents paramètres, notamment la réduction du gaspillage de puissance de transmission. Ensuite, nous proposons des heuristiques à faible complexité et nous les testons dans un environnement de services multiples avec des exigences différentes. Dans la deuxième partie de cette thèse, nous considérons l'allocation conjointe des ressources radio et de calcul. Les ressources radio et de calcul sont allouées conjointement dans le but de minimiser la consommation énergétique. Le problème est modélisé à l'aide de la programmation linéaire mixte en nombres entiers (MILP), et est ensuite comparé à un autre problème MILP ayant comme objectif de maximiser le débit total. Les résultats montrent que l'allocation conjointe des ressources radio et de calcul est plus efficace que l'allocation séquentielle pour minimiser la consommation énergétique. Enfin, nous proposons un algorithme basé sur la théorie de matching (matching theory) à faible complexité qui pourra être une alternative pour résoudre le problème MILP à haute complexité. Dans la dernière partie de cette thèse, nous étudions l'utilisation des outils de l'apprentissage machine (machine learning). Tout d'abord, nous considérons un modèle d'apprentissage profond (deep learning) qui vise à apprendre comment résoudre le problème de coordination ILP, mais en un temps beaucoup plus court. Ensuite, nous considérons un modèle d'apprentissage par renforcement (reinforcement learning) qui vise à allouer des ressources de calcul aux utilisateurs afin de maximiser le profit de l'opérateur
This 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
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3

Behrad, Shanay. "Slice specific authentication and access control for 5G." Electronic Thesis or Diss., Institut polytechnique de Paris, 2020. http://www.theses.fr/2020IPPAS007.

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La cinquième génération de réseaux cellulaires mobiles, 5G, est conçue pour prendre en charge un ensemble de nouveaux cas d'utilisation et exigences, par exemple concernant la qualité de service ou la sécurité. En utilisant les technologies de virtualisation et le concept de découpage de réseau, les opérateurs de réseau 5G seront en mesure de fournir des capacités de connectivité spécifiques afin de prendre en charge ces différents cas d'utilisation. Chaque tranche de réseau (network slice) peut être dédiée à un tiers (c'est-à-dire tout acteur commercial qui n'est pas l'opérateur de réseau) et être conçue pour répondre à ses besoins.Cependant, bien que les tranches de réseau puissent être conçues en activant ou en désactivant certaines fonctions réseau, les mécanismes d'authentification et de contrôle d'accès (AAC) restent les mêmes pour toutes les tranches, avec des composants réseau étroitement couplés.Cette thèse propose 5G-SSAAC (5G Slice-Specific AAC), comme première étape pour introduire une conception à couplage plus lâche dans l'ensemble de l'architecture de réseau 5G. 5G-SSAAC permet aux réseaux 5G de fournir divers mécanismes AAC aux tiers selon leurs exigences de sécurité. Pour évaluer ce mécanisme innovant, la thèse analyse les conséquences de l'utilisation du 5G-SSAAC sur la sécurité de l'ensemble du système 5G. La faisabilité du 5G-SSAAC est également présentée avec la mise en œuvre d'un réseau mobile entièrement virtualisé via un banc d'essai basé sur OAI (Open Air Interface). Ce travail évalue enfin l'impact du mécanisme 5G-SSAAC sur la charge du réseau compte tenu du nombre prévu de messages de signalisation AAC par rapport aux mécanismes AAC existants dans les réseaux cellulaires
The fifth generation of mobile cellular networks, 5G, is designed to support a set of new use cases and requirements, e.g. concerning quality of service or security. Using the virtualization technologies and the concept of network slicing, the 5G network operators will be able to provide specific connectivity capabilities in order to support these various use cases. Each network slice can be dedicated to a 3rd party (i.e., any business actor that is not the network operator), and be designed to fit its requirements.However, although network slices can be designed by enabling or disabling certain network functions, the Authentication and Access Control (AAC) mechanisms remain the same for all slices, with tightly coupled network components.This thesis proposes 5G-SSAAC (5G Slice-Specific AAC), as an initial step to introduce a more loosely coupled design into the whole 5G network architecture. 5G-SSAAC enables 5G networks to provide various AAC mechanisms to the 3rd parties according to their security requirements. To assess this innovative mechanism, the thesis analyses the consequences of using the 5G-SSAAC on the security of the whole 5G system. The feasibility of the 5G-SSAAC is also presented with the implementation of a fully virtualized mobile network through an OAI (Open Air Interface) based testbed. This work finally evaluates the impact of 5G-SSAAC mechanism on the network load considering the anticipated number of AAC signalling messages compared to the existing AAC mechanisms in cellular networks
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4

(9720671), Theodore Phillip Banaszak. "REDHAWK for VITA 49 Development in Open Radio Access Networks." Thesis, 2020.

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This thesis establishes the need for a standardized, interoperable, front end interface to support the development of open RAN technologies, and establishes the viability and desirability of the VITA 49 interface standard as the alternative to other interface technologies. The purpose of this work is to propose a testbed platform for the further development for VITA 49 as a standard frontend interface as other current testbeds are not designed not as well suited to the VITA 49 standard or open RAN architecture. The VITA 49 interface standard provides a packetized interface between the front-end and the digital back-end of a split architecture system in a way that enables hardware interoperability between and within vendor supplies. The VITA 49 Radio Transport standard is ideally appropriate for integration into SDRs [12] due to its flexibility and metadata support. The REDHAWK platform is an integrated development environment which is used to develop a radio system that utilizes a remote radio unit to send and receive signals which transmits it using the VITA 49 protocol to the base band unit for processing. It was found that REDHAWK is better than GNURadio for this purpose, and that VRT technology is a much better than the current CPRI Standard as it provides an open standard, that enables a flexible, scalable interface that enables long-term growth.
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Книги з теми "Open Radio access networks, ORAN"

1

Camenisch, Jan. Open Research Problems in Network Security: IFIP WG 11.4 International Workshop, iNetSec 2010, Sofia, Bulgaria, March 5-6, 2010, Revised Selected Papers. Berlin, Heidelberg: IFIP International Federation for Information Processing, 2011.

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2

Oshana, Robert, and Wim Rouwet. Open Radio Access Networks (o-RAN) Systems Architecture and Design. Elsevier Science & Technology Books, 2022.

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3

Oshana, Robert, and Wim Rouwet. Open Radio Access Networks (o-RAN) Systems Architecture and Design. Elsevier Science & Technology, 2022.

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4

Walden, Ian, ed. Telecommunications Law and Regulation. Oxford University Press, 2018. http://dx.doi.org/10.1093/oso/9780198807414.001.0001.

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Since the last edition of this book was published, numerous changes have occurred in the telecommunications sector, at a national, European, and international level. Telecommunications Law and Regulation takes these changes into account, including an examination of the·adoption of Directive 2014/61/EU on the measures to reduce to cost of deploying electronic communication networks; Directive 2014/53/EU on radio equipment; Regulation 2015/2120 on 'open internet access' and roaming; and the implications of Brexit on the UK telecommunications sector. There is also coverage of substantial regulatory developments in US law since 2012, including the FCC's order on 'Protecting and Promoting the Open Internet' (March 2015). Written by leading experts, it is essential reading for legal practitioners and academics involved in the telecommunications industry.
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Частини книг з теми "Open Radio access networks, ORAN"

1

Peng, Mugen, Zhongyuan Zhao, and Yaohua Sun. "Future Trends and Open Issues in Fog Radio Access Networks." In Wireless Networks, 203–18. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-50735-0_10.

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2

Rouwet, Wim. "Synchronization in open radio access networks." In Open Radio Access Network (O-RAN) Systems Architecture and Design, 265–307. Elsevier, 2022. http://dx.doi.org/10.1016/b978-0-323-91923-4.00005-7.

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3

"Mathematical Model for Open-Access Cognitive Radio Networks." In Fundamentals of Cognitive Radio, 157–66. Hoboken, NJ, USA: John Wiley & Sons, Inc., 2017. http://dx.doi.org/10.1002/9781119405818.app1.

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4

Ahmed, Ejaz, Salman Ali, Adnan Akhunzada, and Ibrar Yaqoob. "Cognitive Radio Sensor Networks." In Advances in Wireless Technologies and Telecommunication, 160–95. IGI Global, 2014. http://dx.doi.org/10.4018/978-1-4666-6212-4.ch007.

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This chapter provides a review of design practices in network communication for Cognitive Radio Sensor Networks. The basics of networking and Medium Access Control functionalities with focus on data routing and spectrum usage are discussed. Technical differences manifest in various network layouts, hence the role of various specialized nodes, such as relay, aggregator, or gateway in Cognitive Radio Sensor Networks need analysis. Optimal routing techniques suitable for different topologies are also summarized. Data delivery protocols are categorized under priority-based, energy-efficient, ad hoc routing-based, attribute-based, and location-aware routing. Broadcast, unicast, and detection of silence periods are discussed for network operation with slotted or unslotted time. Efficient spectrum usage finds the most important application here involving use of dynamic, opportunistic, and fixed spectrum usage. Finally, a thorough discussion on the open issues and challenges for Cognitive Radio Sensor Network communication and internetworking in Cognitive Radio Sensor Network-based deployments and methods to address them are provided.
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5

Zubair, Suleiman, Norsheila Fisal, Mohammed B. Abazeed, Zubair Khalid, Yahya O. Salihu, Bala A. Salihu, Hassan T. AbdulAzeez, and Ahmad Suleiman. "Network Layer for Cognitive Radio Sensor Networks." In Mobile Computing and Wireless Networks, 961–93. IGI Global, 2016. http://dx.doi.org/10.4018/978-1-4666-8751-6.ch041.

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Анотація:
Based on recent trends, Cognitive Radio paradigm has become an integral part of future communication networks of which Wireless Sensor Network is an integral part. However, Cognitive Radio (CR) introduces critical issues that have to be addressed for communication in networks to be achieved. Routing, being the core of communication, has to be critically examined within the context of Cognitive Radio Sensor Networks. In this chapter, the authors discuss relevant issues on the topic of routing in Cognitive Radio Sensor Networks (CRSN). As a basis, a general overview of routing in the Wireless Sensor Network (WSN) is made. The applicability of these protocols in CRSN is discussed and the need for integrating Opportunistic Spectrum Access components into existing Wireless Sensor Network protocols is exposed. Factors affecting routing in CRSN are outlined with an emphasis on a cross layering design approach based on a generalized framework. Recent works in this respect are categorized, and finally, open issues in need for research attention are pinpointed.
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6

Zubair, Suleiman, Norsheila Fisal, Mohammed B. Abazeed, Zubair Khalid, Yahya O. Salihu, Bala A. Salihu, Hassan T. AbdulAzeez, and Ahmad Suleiman. "Network Layer for Cognitive Radio Sensor Networks." In Advances in Wireless Technologies and Telecommunication, 196–229. IGI Global, 2014. http://dx.doi.org/10.4018/978-1-4666-6212-4.ch008.

Повний текст джерела
Анотація:
Based on recent trends, Cognitive Radio paradigm has become an integral part of future communication networks of which Wireless Sensor Network is an integral part. However, Cognitive Radio (CR) introduces critical issues that have to be addressed for communication in networks to be achieved. Routing, being the core of communication, has to be critically examined within the context of Cognitive Radio Sensor Networks. In this chapter, the authors discuss relevant issues on the topic of routing in Cognitive Radio Sensor Networks (CRSN). As a basis, a general overview of routing in the Wireless Sensor Network (WSN) is made. The applicability of these protocols in CRSN is discussed and the need for integrating Opportunistic Spectrum Access components into existing Wireless Sensor Network protocols is exposed. Factors affecting routing in CRSN are outlined with an emphasis on a cross layering design approach based on a generalized framework. Recent works in this respect are categorized, and finally, open issues in need for research attention are pinpointed.
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7

Kumar, Pardeep, and Mesut Gunes. "Medium Access Control Protocols for Wireless Sensor Networks." In Wireless Sensor Networks and Energy Efficiency, 367–95. IGI Global, 2012. http://dx.doi.org/10.4018/978-1-4666-0101-7.ch018.

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Анотація:
This chapter provides an overall understanding of the design aspects of Medium Access Control (MAC) protocols for Wireless Sensor Networks (WSNs). A WSN MAC protocol shares the wireless broadcast medium among sensor nodes and creates a basic network infrastructure for them to communicate with each other. The MAC protocol also has a direct influence on the network lifetime of WSNs as it controls the activities of the radio, which is the most power-consuming component of resource-scarce sensor nodes. In this chapter, the authors first discuss the basics of MAC design for WSNs and present a set of important MAC attributes. Subsequently, authors discuss the main categories of MAC protocols proposed for WSNs and highlight their strong and weak points. After briefly outlining different MAC protocols falling in each category, the authors provide a substantial comparison of these protocols for several parameters. Lastly, the chapter discusses future research directions on open issues in this field that have mostly been overlooked.
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8

Dhaya R., Rajeswari A., and Kanthavel R. "Sensing Techniques for Next Generation Cognitive Radio Networks." In Advances in Wireless Technologies and Telecommunication, 108–24. IGI Global, 2019. http://dx.doi.org/10.4018/978-1-5225-5354-0.ch006.

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Анотація:
Cognitive radio is the technology used to solve the problem of spectrum underutilization by performing spectrum sensing, spectrum management, spectrum sharing, and spectrum mobility. The primary goal of cognitive radio is open spectrum sharing. Spectrum is a scarce and valuable natural resource that has to be used very effectively. The static allocation of spectrum to the licensed users will lead to wastage of resources when the spectrum is unused by the licensed user. Spectrum sensing methodology helps in detecting the spectrum holes and enables the unlicensed users to access the unused bands in the licensed spectrum effectively without interfering the licensed users. Cognitive thinking takes wireless communication to the next level by sensing the electromagnetic environment and dynamically adjusts its operating parameters in order to achieve maximum throughput, mitigate interference, facilitate interoperability, etc. The chapter presents the basics of cognitive radio networks, its architecture, its application, and advantages of cognitive radio networks.
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9

Kumar, Pardeep, and Mesut Gunes. "Medium Access Control Protocols for Wireless Sensor Networks." In IT Policy and Ethics, 947–74. IGI Global, 2013. http://dx.doi.org/10.4018/978-1-4666-2919-6.ch043.

Повний текст джерела
Анотація:
This chapter provides an overall understanding of the design aspects of Medium Access Control (MAC) protocols for Wireless Sensor Networks (WSNs). A WSN MAC protocol shares the wireless broadcast medium among sensor nodes and creates a basic network infrastructure for them to communicate with each other. The MAC protocol also has a direct influence on the network lifetime of WSNs as it controls the activities of the radio, which is the most power-consuming component of resource-scarce sensor nodes. In this chapter, the authors first discuss the basics of MAC design for WSNs and present a set of important MAC attributes. Subsequently, authors discuss the main categories of MAC protocols proposed for WSNs and highlight their strong and weak points. After briefly outlining different MAC protocols falling in each category, the authors provide a substantial comparison of these protocols for several parameters. Lastly, the chapter discusses future research directions on open issues in this field that have mostly been overlooked.
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10

Zeadally, Sherali. "Audio Streaming to IP-Enabled Bluetooth Devices." In Encyclopedia of Multimedia Technology and Networking, Second Edition, 90–97. IGI Global, 2009. http://dx.doi.org/10.4018/978-1-60566-014-1.ch013.

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Анотація:
Over the last few years, we have witnessed the emergence of many wireless systems and devices such as cellular phones, personal digital assistants, pagers, and other portable devices. However, they are often used separately, and their applications do not interact. One of the goals of personal area networks (PANs) (Bluetooth SIG, 2002a; Gavrilovska & Prasad, 2001) is to enable such a diverse set of devices to exchange information in a seamless, friendly, and efficient way. The emergence of Bluetooth (Bluetooth SIG, 2001b; Roberts, 2003) wireless technology promises such seamless networking. Bluetooth is an open industry standard that can provide short-range radio communications among small form factor mobile devices. Bluetooth is based on a high-performance, low-cost integrated radio transceiver and has been designed to provide a cable replacement technology with emphasis on robustness and low cost. Bluetooth supports two types of links: the synchronous connection-oriented (SCO) link and the asynchronous connectionless link (ACL). Figure 1 illustrates the Bluetooth protocol stack. The link manager protocol (LMP) performs link setup and configuration functions. The logical link and control adaptation (L2CAP) layer supports protocol multiplexing and connection-oriented/connectionless data services. The host controller interface (HCI) layer provides an interface to access the hardware capabilities of Bluetooth. In this article, we focus on the design and implementation of an architecture that (a) provides interoperability and connectivity of Bluetooth networks with other networks using Internet protocol (IP) technology and (b) enables Bluetooth mobile devices to wirelessly stream high-quality audio (greater bandwidth than toll quality voice) content from other Internet devices. We also investigate the efficiency of different design approaches that can be used by Bluetooth-enabled devices for high-quality audio streaming.
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Тези доповідей конференцій з теми "Open Radio access networks, ORAN"

1

Liu, Chang, and Randall Berry. "Competition with Open Spectrum Access: Sharing vs. Unlicensed Access." In 9th International Conference on Cognitive Radio Oriented Wireless Networks. ICST, 2014. http://dx.doi.org/10.4108/icst.crowncom.2014.255739.

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2

Kougioumtzidis, Georgios, Vladimir Poulkov, Zaharias D. Zaharis, and Pavlos I. Lazaridis. "Intelligent and QoE-aware Open Radio Access Networks." In 2022 3rd URSI Atlantic and Asia Pacific Radio Science Meeting (AT-AP-RASC). IEEE, 2022. http://dx.doi.org/10.23919/at-ap-rasc54737.2022.9814435.

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3

Aryal, Nischal, Fariba Ghaffari, Emmanuel Bertin, and Noel Crespi. "Moving Towards Open Radio Access Networks with Blockchain Technologies." In 2023 5th Conference on Blockchain Research & Applications for Innovative Networks and Services (BRAINS). IEEE, 2023. http://dx.doi.org/10.1109/brains59668.2023.10316961.

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4

Kougioumzidis, Georgios, Atanas Vlahov, Vladimir Poulkov, Zaharias Zaharis, and Pavlos Lazaridis. "QoE-Oriented Open Radio Access Networks for Virtual Reality Applications." In 2022 25th International Symposium on Wireless Personal Multimedia Communications (WPMC). IEEE, 2022. http://dx.doi.org/10.1109/wpmc55625.2022.10014946.

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5

Kak, Ahan, Van-Quan Pham, Huu-Trung Thieu, and Nakjung Choi. "RANSight: Programmable Telemetry for Next-Generation Open Radio Access Networks." In GLOBECOM 2023 - 2023 IEEE Global Communications Conference. IEEE, 2023. http://dx.doi.org/10.1109/globecom54140.2023.10437430.

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6

Cao, Yang, Shao-Yu Lien, Ying-Chang Liang, and Kwang-Cheng Chen. "Federated Deep Reinforcement Learning for User Access Control in Open Radio Access Networks." In ICC 2021 - IEEE International Conference on Communications. IEEE, 2021. http://dx.doi.org/10.1109/icc42927.2021.9500603.

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7

Lee, Moonwon, Gwangzeen Ko, Sunmin Lim, Myungsun Song, and Changjoo Kim. "Dynamic Spectrum Access Techniques: TPC-resilient Initial Access in Open Spectrum Bands." In 2008 3rd International Conference on Cognitive Radio Oriented Wireless Networks and Communications (CrownCom). IEEE, 2008. http://dx.doi.org/10.1109/crowncom.2008.4562489.

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8

Aryal, Nischal, Emmanuel Bertin, and Noel Crespi. "Open Radio Access Network challenges for Next Generation Mobile Network." In 2023 26th Conference on Innovation in Clouds, Internet and Networks and Workshops (ICIN). IEEE, 2023. http://dx.doi.org/10.1109/icin56760.2023.10073507.

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9

Niemelä, Jaakko, Markku Jokinen, and Tuomo Hänninen. "Linux enriched design in second generation wireless open-access research platform." In 9th International Conference on Cognitive Radio Oriented Wireless Networks. ICST, 2014. http://dx.doi.org/10.4108/icst.crowncom.2014.255398.

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10

Dmochowski, Pawel A., Peter J. Smith, and Mansoor Shafi. "Capacity analysis for closed and open access femto cell networks." In 2012 IEEE 23rd International Symposium on Personal, Indoor and Mobile Radio Communications - (PIMRC 2012). IEEE, 2012. http://dx.doi.org/10.1109/pimrc.2012.6362627.

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