Bibliografie tematiche / Cellular network

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Letteratura scientifica selezionata sul tema "Cellular network"

Autore: Grafiati
Pubblicato: 4 giugno 2021
Ultima modifica: 1 giugno 2024

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Articoli di riviste sul tema "Cellular network"

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Saravanan, K. "A Review on Green Cellular Network". International Journal of Trend in Scientific Research and Development Volume-2, Issue-5 (31 agosto 2018): 342–49. http://dx.doi.org/10.31142/ijtsrd15839.

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Ohipeni, Edwin Angmor Kofi. "5G Cellular Network Forensics". Advances in Multidisciplinary and scientific Research Journal Publication 1, n. 1 (26 luglio 2022): 181–84. http://dx.doi.org/10.22624/aims/crp-bk3-p29.

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The fifth generation (5G) of cellular networks will bring 10Gbps user speeds, have a wider bandwidth which can accommodate 1000 times what the fourth generation (4G) could and 100 times faster than the previous 4G cellular network. This paper’s focus is to highlight on the legal aspects of the 5G cellular network. That is, the health issues, privacy, and security issues on Africans. Most crimes currently are facilitated by cellular network devices and with the improvement that the 5G cellular network brings, there is going to be an increase in cybercrime and hence the need for forensics. These forensics’ techniques used in evidence acquisition violates the privacy and security of the users of the 5G cellular network. Keywords: Cellular Networks, Fifth Generation (5G), Lawful Interception (LI), Lawful Access Location Services (LALS), Privacy, Security, Africa, Natural Resources, Carbon, Ozone Layer, Internet of Things (IoT) BOOK Chapter ǀ Research Nexus in IT, Law, Cyber Security & Forensics. Open Access. Distributed Free Citation: Edwin Angmor Kofi Ohipeni (2022): 5G Cellular Network Forensics Book Chapter Series on Research Nexus in IT, Law, Cyber Security & Forensics. Pp 181-184 www.isteams.net/ITlawbookchapter2022. dx.doi.org/10.22624/AIMS/CRP-BK3-P29
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O. H. Abdelwahed, O. H. Abdelwahed, e M. El-Sayed Wahed. "Optimizing Single Layer Cellular Neural Network Simulator using Simulated Annealing Technique with Neural Networks". Indian Journal of Applied Research 3, n. 6 (1 ottobre 2011): 91–94. http://dx.doi.org/10.15373/2249555x/june2013/31.

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Fuster, Joaquin M. "Cellular Dynamics of Network Memory". Zeitschrift für Naturforschung C 53, n. 7-8 (1 agosto 1998): 670–76. http://dx.doi.org/10.1515/znc-1998-7-819.

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Abstract One example of “emergence” is the development, as a result of neural ontogeny and living experience, of cortical networks capable of representing and retaining cognitive information. A large body of evidence from neuropsychology, electrophysiology and neuroimaging indi­cates that so-called working memory and long-term memory share the same neural substrate in the cerebral cortex. That substrate consists in a system of widespread, overlapping and hierarchically organized networks of cortical neurons. In this system, any neuron or group of neurons can be part of many networks, and thus many memories. Working memory is the temporary activation of one such network of long-term memory for the purpose of executing an action in the near future. The activation of the network may be brought about by stimuli that by virtue of prior experience are in some manner associated with the cognitive content of the network, including the response of the organism to those stimuli. The mechanisms by which the network stays activated are presumed to include the recurrent re-entry of impulses through associated neuronal assemblies of the network. Consistent with this notion is the following evidence: (1) working memory depends on the functional integrity of cortico-corti-cal connective loops; and (2) during working memory, remarkable similarities -including “attractor behavior” -have been observed between firing patterns in real cortex and in an artificial recurrent network.
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Kethanan, M., M. Jeyaseelan e R. Lathersan. "Service Quality and Subscriber Satisfaction of Cellular Network". International Journal of Science and Research (IJSR) 12, n. 12 (5 dicembre 2023): 637–40. http://dx.doi.org/10.21275/sr231128101617.

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Zhu, Jia, e Yulong Zou. "Cognitive Network Cooperation for Green Cellular Networks". IEEE Access 4 (2016): 849–57. http://dx.doi.org/10.1109/access.2016.2532600.

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Roska, Tamás, e Giovanni Pazienza. "Cellular neural network". Scholarpedia 4, n. 12 (2009): 1519. http://dx.doi.org/10.4249/scholarpedia.1519.

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Tadeusiewicz, Ryszard. "Cellular neural networks (with CNNS [Cellular Neural Network Simulator] software — ver.3.6)". Neurocomputing 8, n. 2 (luglio 1995): 224–25. http://dx.doi.org/10.1016/0925-2312(95)90034-9.

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SHIN, Won-Yong, e Bang Chul JUNG. "Network Coordinated Opportunistic Beamforming in Downlink Cellular Networks". IEICE Transactions on Communications E95-B, n. 4 (2012): 1393–96. http://dx.doi.org/10.1587/transcom.e95.b.1393.

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Elsawy, Hesham, Hayssam Dahrouj, Tareq Y. Al-naffouri e Mohamed-slim Alouini. "Virtualized cognitive network architecture for 5G cellular networks". IEEE Communications Magazine 53, n. 7 (luglio 2015): 78–85. http://dx.doi.org/10.1109/mcom.2015.7158269.

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Tesi sul tema "Cellular network"

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Tseliou, Georgia. "Network virtualization in next generation cellular networks". Doctoral thesis, Universitat Politècnica de Catalunya, 2019. http://hdl.handle.net/10803/667301.

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The complexity of operation and management of emerging cellular networks significantly increases, as they evolve to correspond to increasing QoS needs, data rates and diversity of offered services. Thus critical challenges appear regarding their performance. At the same time, network sustainability pushes toward the utilization of haring Radio Access Network (RAN) infrastructure between Mobile Network Operators (MNOs). This requires advanced network management techniques which have to be developed based on characteristics of these networks and traffic demands. Therefore it is necessary to provide solutions enabling the creation of logically isolated network partitions over shared physical network infrastructure. Multiple heterogeneous virtual networks should simultaneously coexist and support resource aggregation so as to appear as a single resource to serve different traffic types on demand. Hence in this thesis, we study RAN virtualization and slicing solutions destined to tackle these challenges. In the first part, we present our approach to map virtual network elements onto radio resources of the substrate physical network, in a dense multi-tier LTE-A scenario owned by a MNO. We propose a virtualization solution at BS level, where baseband modules of distributed BSs, interconnected via logical point-to-point X2 interface, cooperate to reallocate radio resources on a traffic need basis. Our proposal enhances system performance by achieving 53% throughput gain compared with benchmark schemes without substantial signaling overhead. In the second part of the thesis, we concentrate on facilitating resource provisioning between multiple Virtual MNOs (MVNOs), by integrating the capacity broker in the 3GPP network management architecture with minimum set of enhancements. A MNO owns the network and provides RAN access on demand to several MVNOs. Furthermore we propose an algorithm for on-demand resource allocation considering two types of traffic. Our proposal achieves 50% more admitted requests without Service Level Agreement (SLA) violation compared with benchmark schemes. In the third part, we devise and study a solution for BS agnostic network slicing leveraging BS virtualization in a multi-tenant scenario. This scenario is composed of different traffic types (e.g., tight latency requirements and high data rate demands) along with BSs characterized by different access and transport capabilities (i.e., Remote Radio Heads, RRHs, Small Cells, SCs and future 5G NodeBs, gNBs with various functional splits having ideal and non-ideal transport network). Our solution achieves 67% average spectrum usage gain and 16.6% Baseband Unit processing load reduction compared with baseline scenarios. Finally, we conclude the thesis by providing insightful research challenges for future works.
La complejidad de la operación y la gestión de las emergentes redes celulares aumenta a medida que evolucionan para hacer frente a las crecientes necesidades de calidad de servicio (QoS), las tasas de datos y la diversidad de los servicios ofrecidos. De esta forma aparecen desafíos críticos con respecto a su rendimiento. Al mismo tiempo, la sostenibilidad de la red empuja hacia la utilización de la infraestructura de red de acceso radio (RAN) compartida entre operadores de redes móviles (MNO). Esto requiere técnicas avanzadas de gestión de redes que deben desarrollarse en función de las características especiales de estas redes y las demandas de tráfico. Por lo tanto, es necesario proporcionar soluciones que permitan la creación de particiones de red aisladas lógicamente sobre la infraestructura de red física compartida. Para ello, en esta tesis, estudiamos las soluciones de virtualización de la RAN destinadas a abordar estos desafíos. En la primera parte de la tesis, nos centramos en mapear elementos de red virtual en recursos de radio de la red física, en un escenario LTE-A de múltiples niveles que es propiedad de un solo MNO. Proponemos una solución de virtualización a nivel de estación base (BS), donde los módulos de banda base de BSs distribuidas, interconectadas a través de la interfaz lógica X2, cooperan para reasignar los recursos radio en función de las necesidades de tráfico. Nuestra propuesta mejora el rendimiento del sistema al obtener un rendimiento 53% en comparación con esquemas de referencia. En la segunda parte de la tesis, nos concentramos en facilitar el aprovisionamiento de recursos entre muchos operadores de redes virtuales móviles (MVNO), al integrar el capacity broker en la arquitectura de administración de red 3GPP con un conjunto míinimo de mejoras. En este escenario, un MNO es el propietario de la red y proporciona acceso bajo demanda (en inglés on-demand) a varios MVNOs. Además, para aprovechar al máximo las capacidades del capacity broker, proponemos un algoritmo para la asignación de recursos bajo demanda, considerando dos tipos de tráfico con distintas características. Nuestra propuesta alcanza 50% más de solicitudes admitidas sin violación del Acuerdo de Nivel de Servicio (SLA) en comparación con otros esquemas. En la tercera parte de la tesis, estudiamos una solución para el slicing de red independiente del tipo de BS, considerando la virtualización de BS en un escenario de múltiples MVNOs (multi-tenants). Este escenario se compone de diferentes tipos de tráfico (por ejemplo, usuarios con requisitos de latencia estrictos y usuarios con altas demandas de velocidad de datos) junto con BSs caracterizadas por diferentes capacidades de acceso y transporte (por ejemplo, Remote Radio Heads, RRHs, Small cells, SC y 5G NodeBs, gNBs con varias divisiones funcionales que tienen una red de transporte ideal y no ideal). Nuestra solución logra una ganancia promedio de uso de espectro de 67% y una reducción de la carga de procesamiento de la banda base de 16.6% en comparación con escenarios de referencia. Finalmente, concluimos la tesis al proporcionando los desafíos y retos de investigación para trabajos futuros.
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Liu, Siqian. "Network Convergence in Multicarrier Hybrid Cellular Network". Diss., North Dakota State University, 2014. https://hdl.handle.net/10365/27505.

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In a multicarrier communication system with known channel state information at transmitter (CSIT), it is well-known that the water-filling power allocation scheme is optimal in achieving the Shannon capacity. However, in a multicarrier broadcast network (e.g. over-the-air TV network) without CSIT, the optimal power allocation among subcarriers is still unknown, largely due to the heterogeneity of the channel conditions associated with different receivers. In the first part of the thesis, the performance of a generic multicarrier broadcast network is thoroughly studied by exploiting the frequency diversity over subcarriers. In particular, the performance metric is first defined based on the relationship among broadcast transmission rate, coverage area and outage probability. In order to maximize the network performance, closed form expressions of the instantaneous mutual information (IMI) and the optimal power allocation schemes are derived for both low SNR and high SNR cases; upper and lower bounds are also provided to estimate broadcast coverage area in general SNR regime. Also we extend our discussion to the broadcast network with multiple collaborative transmitters. Extensive simulation results are provided to validate our analysis. In the second part of the thesis, we discuss the optimal performance of a generic broadcast cellular hybrid network. It is well known that the Dirty Paper Coding (DPC) achieves the channel capacity for multiuser degraded channels. However, the optimality of DPC remains unknown for non-degraded channel. Specifically, we derive the optimal interference pre-cancellation order for a DPC based broadcast and unicast hybrid network. Different DPC cancellation schemes are studied to maximize the hybrid capacity region. The conditions for each scheme being optimal are analytically derived. Both ergodic and outage capacity are considered as our performance metric. Our results show that the optimal interference pre-cancellation order varies with SNR and broadcast and unicast channel conditions. Moreover, in low SNR condition, the optimal power allocation scheme is derived to reach the maximal sum rate.
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DeMarinis, Nicholas AF. "On LTE Security: Closing the Gap Between Standards and Implementation". Digital WPI, 2015. https://digitalcommons.wpi.edu/etd-theses/791.

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Modern cellular networks including LTE (Long Term Evolution) and the evolving LTE- Advanced provide high-speed and high-capacity data services for mobile users. As we become more reliant on wireless connectivity, the security of voice and data transmissions on the network becomes increasingly important. While the LTE network standards provide strict security guidelines, these requirements may not be completely followed when LTE networks are deployed in practice. This project provides a method for improving the security of LTE networks by 1) characterizing a gap between security requirements defined in the standards and practical implementations, 2) designing a language to express the encoding formats of one of LTE’s network-layer protocols, 3) developing a compiler to translate a protocol description in our language into an implementation, and 4) providing recommendations on lessons learned during development of the language and compiler to support development of future protocols that employ formal representations. In this way, our work demonstrates how a formal language can be utilized to represent a cellular network protocol and serves as an example for further research on how adding formalism to network standards can help ensure that the security goals defined in the standards can be upheld in an implementation.
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Rakotomalala, Livaniaina Hary. "Network Decontamination Using Cellular Automata". Thesis, Université d'Ottawa / University of Ottawa, 2016. http://hdl.handle.net/10393/34095.

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We consider the problem of decontaminating a network where all nodes are infected by a virus. The decontamination strategy is performed using a Cellular Automata (CA) model in which each node of the network is represented by the automata cell and thus, the network host status is also mapped to the CA state (contaminated, decontaminating, decontaminated). All hosts are assumed to be initially contaminated and the status of each cell is synchronously updated according to a set of local rules, based on the state of its neighbourhood. Our goal is to find the set of local rules that will accomplish the decontamination in an optimal way. The metrics used to define optimality is the minimization of three metrics: the maximum number of decontaminating cells at each step, the required value of the immunity time of each cell and the number of steps to complete the sanitization algorithm. In our research, we explore the designing of these local decontamination rules by refining the concept of the neighbourhood radius of CA with the addition of two new dimensions: Visibility Hop and Contamination Distance. Additionally, a research tool that help us manage our study have been developed.
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Azari, Amin. "Energy Efficient Machine-Type Communications over Cellular Networks : A Battery Lifetime-Aware Cellular Network Design Framework". Licentiate thesis, KTH, Kommunikationssystem, CoS, 2016. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-194416.

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Internet of Things (IoT) refers to the interconnection of uniquely identifiable smart devices which enables them to participate more actively in everyday life. Among large-scale applications, machine-type communications (MTC) supported by cellular networks will be one of the most important enablers for the success of IoT. The existing cellular infrastructure has been optimized for serving a small number of long-lived human-oriented communications (HoC) sessions, originated from smartphones whose batteries are charged in a daily basis. As a consequence, serving a massive number of non-rechargeable machine-type devices demanding a long battery lifetime is a big challenge for cellular networks. The present work is devoted to energy consumption modeling, battery lifetime analysis, and lifetime-aware network design for massive MTC services over cellular networks. At first, we present a realistic model for energy consumption of machine devices in cellular connectivity, which is employed subsequently in deriving the key performance indicator, i.e. network battery lifetime. Then, we develop an efficient mathematical foundation and algorithmic framework for lifetime-aware clustering design for serving a massive number of machine devices. Also, by extending the developed framework to non-clustered MTC, lifetime-aware uplink scheduling and power control solutions are derived. Finally, by investigating the delay, energy consumption, spectral efficiency, and battery lifetime tradeoffs in serving coexistence of HoC and MTC traffic, we explore the ways in which energy saving for the access network and quality of service for HoC traffic can be traded to prolong battery lifetime for machine devices. The numerical and simulation results show that the proposed solutions can provide substantial network lifetime improvement and network maintenance cost reduction in comparison with the existing approaches.

QC 20161103

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Larsson, Martin, e Anton Silfver. "Signal-aware adaptive timeout in cellular networks : Analysing predictability of link failure in cellular networks based on network conditions". Thesis, Linköpings universitet, Institutionen för datavetenskap, 2017. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-138128.

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Cellular networks are becoming more common, this introduces new challenges in dealing with their error prone nature. To improve end-to-end performance when the first link in the connection is wireless, an adaptive timeout based on network conditions is constructed. Relevant network factors are identified by examining data collected by a device located in a vehicle moving around in southern Sweden. Channel Quality Indicator (CQI) is shown to be the primary predictor of errors in the connection. In our datasets, a CQI index of 2 is a very good predictor of an error prone state. The collected data is split into training and evaluation data, the training data is used to construct a model. An adaptive timeout mechanism which uses this model is proposed, the mechanism is shown to be superior in all tested cases in the dataset compared to the optimal static counterpart. Reducing timeouts allows for applications to make new decisions based on new information faster, increasing responsiveness and user satisfaction.
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Manssour, Jawad. "Network Coding in Uplink Cellular Systems". Thesis, KTH, Kommunikationssystem, CoS, 2010. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-48936.

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Ever since its introduction, network coding has attracted a lot of interest from the research community. This interest is a result of two main factors: the simplicity of application of network coding and the possibility to apply it to a plethora of applications. Research in network coding started on wired networks for different types of traffic, mainly focusing on code design, content distribution and network security. However, researchers soon came to realize that the inherent properties of the wireless medium render it a fertile ground for the application of network coding. This has resulted in tremendous research efforts on wireless applications of network coding for wireless systems, both academically and industrially, with the majority of these works targeting bidirectional traffic scenarios. In this work, we focus on practical implementation issues for network coding when applied to uplink cellular traffic. We provide our own relaying scheme based on decode-and-forward relays and network coding with a specially designed method of decoding at the receiver. We complement this method with user grouping, relay selection diversity and time division among the transmitting nodes in order to achieve the gains promised by network coding in terms of throughput increase, while halving the power usage at the relay nodes. We show that these complements are necessary in order to translate the decrease in the number of transmissions offered by network coding into capacity gains; otherwise, random application of network coding would provide a worse performance compared to direct transmission or decode-and-forward relaying.
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Sankerdial, Roger. "Developing a resilient green cellular network". Thesis, Monterey, California: Naval Postgraduate School, 2013. http://hdl.handle.net/10945/39006.

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CHDS State/Local
As technology drives society to a ubiquitously wireless world, the paradox of mobile wireless network accessibility versus resilience is disturbingly trending in opposite directions. The demand for cellular networks with greater capacity and bandwidth appears to be the primary factor in expanding coverage nationwide, with resilience becoming a secondary thought. It is expected that resilient systems will be able to withstand shocks and stresses from critical incidents and still be able to function as intentionally designed. However, the fragility of cellular networks affected by recent disasters within the last ten years has demonstrated otherwise. The purpose of this research is to direct attention to the importance of cellular base station functionality during power outages and illustrate how these assets require modification to provide critical communications for the public to summon aid, and first responders to coordinate response efforts. Prior research offers strategies to implement post-disaster remediation supplanting failed localized communication infrastructure. This mitigating strategy requires substantial time, labor, and planning to deploy that subsequently detracts from conducting immediate response and recovery. This research is intended to propose a path forward for resiliency in U.S. mobile cellular networks using renewable/alternative energy outlined in Indias National Telecom Policy for 2012.
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Nourizadeh, Hamed. "UMTS cellular network with relaying concept". Thesis, University of Surrey, 2006. http://epubs.surrey.ac.uk/844065/.

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Wideband Code Division Multiple Access (WCDMA) is one of the technologies for third generation systems. In a CDMA system, all users interfere with each others, therefore the CDMA system is interference limited. The users, who suffer from a strong shadow effect or that are far away from the BS, need more power to reach it. In this case, the users may transmit at their maximum allowed power without satisfying their Quality of Service. Therefore, this would leave some mobiles in outage and also create too much interference to the neighboring cells. One-way to counter this problem and therefore to improve the capacity is to increase the number of BSs. But this solution cannot be efficient as it significantly increases the network infrastructure cost. Alternative techniques that involve less planning and are quick to deploy appear to be more advantageous. Relaying is one of these techniques and is growing in importance for future wireless systems. In this thesis, a new radio access network based on combinations of multi-hop and star-topology architectures is proposed. The main objective of this thesis is to demonstrate achievable capacity gains under various relaying criteria compared with no-relaying (conventional) cellular architecture. In this new architecture, some intermediate nodes (mobile or fixed) located between the originating terminal and the BSs are used for the purpose of retransmitting the original packets. We show that under specific criteria and conditions the multihop concept indeed yields capacity gains. A number of different scenarios are defined and their relative performances are fully evaluated using an accurate dynamic system-level simulator. The capacity gains are compared to the case of no relaying/hopping. To demonstrate the achievable capacity gains, we use UMTS FDD and TDD modes. The proposed concepts and criteria for relaying are generic enough to be used with current and future radio access technologies. The results show that under certain conditions an uplink capacity gain of 30-40% is readily achievable with the multihop architecture.
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Åkesson, Emma. "Information visualization of network parameters in private cellular network solutions". Thesis, KTH, Skolan för elektroteknik och datavetenskap (EECS), 2020. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-280858.

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In the upcoming years, industrial enterprises are expected to undergo a major transformation, as the Internet of Things (IoT) reaches widespread adoption. A key enabler behind this transformation, known as Industry 4.0, is the 5th generation of cellular networks (5G). Through privately owned networks, enterprises will be able to utilize the 5G technology to tailor the network to meet their needs in terms of security, reliability, and quality of service. Although much of the technology is currently in place, few efforts have been dedicated to help enterprises understand and optimise the value that this new solution brings. One way of making 5G more accessible is through information visualization of its data. Dashboards are today the widely adopted tool for processing data in organisations. This study aimed at examining the affordances and challenges of information visualization of 5G network data in such a tool, in order to make 5G more accessible. A large number of commercial network management dashboards were reviewed in relation to research on effective dashboard design, and a prototype was developed and evaluated with seven user experience experts. Results from the expert review suggests information visualization clearly aided communication of the five visualized network parameters: throughput, latency, availability, coverage, and devices. However, to fully examine the usefulness of the tool, further research on the tool’s fit in an industry context needs to be conducted.
Inom de kommande åren förväntas industriföretag genomgå en stor transformation, i samband med att sakernas internet (engelskans Internet of Things, IoT) når utbredd användning. En viktig möjliggörare bakom denna transformation, känd som Industri 4.0, är den 5:e generationens mobilnät (5G). Genom privatägda mobilnät kommer företag att kunna använda 5G teknologin till att skräddarsy sina nätverk för att tillgodose de egna behoven gällande säkerhet, tillförlitlighet och kvalitet. Trots att mycket av 5G teknologin redan är på plats, har få ansträngningar gjorts för att hjälpa företag förstå och optimera värdet som denna nya lösning medför. Ett sätt som kan göra 5G mer lättförståeligt är genom informationsvisualisering av dess data. Dashboards är idag det mest använda verktyget för att bearbeta data i organisationer. Denna studie ämnade därför att undersöka fördelarna och nackdelarna med informationsvisualisering av data från ett privat 5G-nät i ett sådant verktyg. Ett stort antal kommersiella dashboards för nätverksprestationshantering granskades i förhållande till forskning inom området för effektiv design av dashboards, och en prototyp utvecklades och utvärderades med sju experter inom användarupplevelse. Resultaten från expertgranskningen tyder på att användningen av informationsvisualisering klart hjälpte i kommunikationen av de fem visualiserade nätverksparametrarna: genomströmning, svarstid, tillgänglighet, täckning och uppkopplade enheter. Däremot krävs ytterligare forskning kring verktygets roll i industriell kontext för att kunna göra en fullständig granskning av verktygets användbarhet.
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Libri sul tema "Cellular network"

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Mishra, Ajay R., a cura di. Advanced Cellular Network Planning and Optimisation. Chichester, UK: John Wiley & Sons, Ltd, 2006. http://dx.doi.org/10.1002/9780470057629.

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CDMA cellular mobile communications & network security. Upper Saddle River, NJ: Prentice Hall PTR, 1998.

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Mishra, Ajay R. Fundamentals of Cellular Network Planning and Optimisation. Chichester, UK: John Wiley & Sons, Ltd, 2004. http://dx.doi.org/10.1002/0470862696.

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Batzilis, Dimitrios. New cellular networks in Malawi: Correlates of service rollout and network performance. Cambridge, MA: National Bureau of Economic Research, 2010.

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Andrews, Jeffrey G., Abhishek K. Gupta, Ahmad Alammouri e Harpreet S. Dhillon. An Introduction to Cellular Network Analysis Using Stochastic Geometry. Cham: Springer International Publishing, 2023. http://dx.doi.org/10.1007/978-3-031-29743-4.

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Evolved cellular network planning and optimization for UMTS and LTE. Boca Raton: Taylor & Francis, 2011.

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Lím, Drahoslav. Implementation of a programmable, modularly extendable cellular-neural-network signal processor. Konstanz: Hartung-Gorre, 2002.

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Gómez, G. End-to-End Quality of Service over Cellular Networks. New York: John Wiley & Sons, Ltd., 2005.

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Fundamentals of cellular network planning and optimisation: 2G, 2.5G, 3G-- evolution to 4G. Chichester: Wiley, 2004.

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Mishra, Ajay R. Fundamentals of cellular network planning and optimisation: 2G/2.5G/3G- evolution to 4G. Chichester: Wiley, 2004.

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Capitoli di libri sul tema "Cellular network"

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de Alencar, Marcelo Sampaio, e Djalma de Melo Carvalho Filho. "Cellular Communications Models". In Cellular Network Planning, 31–82. New York: River Publishers, 2022. http://dx.doi.org/10.1201/9781003337478-2.

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de Alencar, Marcelo Sampaio, e Djalma de Melo Carvalho Filho. "Mobile Cellular Telephony". In Cellular Network Planning, 1–29. New York: River Publishers, 2022. http://dx.doi.org/10.1201/9781003337478-1.

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Mishra, Ajay R. "Cellular Networks". In Advanced Cellular Network Planning and Optimisation, 1–13. Chichester, UK: John Wiley & Sons, Ltd, 2006. http://dx.doi.org/10.1002/9780470057629.ch1.

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de Alencar, Marcelo Sampaio, e Djalma de Melo Carvalho Filho. "Cell Planning". In Cellular Network Planning, 83–106. New York: River Publishers, 2022. http://dx.doi.org/10.1201/9781003337478-3.

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de Alencar, Marcelo Sampaio, e Djalma de Melo Carvalho Filho. "Cost-Effective Base Station Deployment Approach based on Artificial Immune Systems". In Cellular Network Planning, 121–31. New York: River Publishers, 2022. http://dx.doi.org/10.1201/9781003337478-5.

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de Alencar, Marcelo Sampaio, e Djalma de Melo Carvalho Filho. "Base Station Deployment based on Artificial Immune Systems". In Cellular Network Planning, 107–20. New York: River Publishers, 2022. http://dx.doi.org/10.1201/9781003337478-4.

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de Alencar, Marcelo Sampaio, e Djalma de Melo Carvalho Filho. "Cell Planning Using Voronoi Diagrams". In Cellular Network Planning, 133–54. New York: River Publishers, 2022. http://dx.doi.org/10.1201/9781003337478-6.

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Yi, Zhang, e K. K. Tan. "Cellular Neural Networks". In Network Theory and Applications, 33–67. Boston, MA: Springer US, 2004. http://dx.doi.org/10.1007/978-1-4757-3819-3_3.

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Liu, Yongkang, e Xuemin Shen. "Cognitive Cellular Network Management". In SpringerBriefs in Electrical and Computer Engineering, 13–23. Cham: Springer International Publishing, 2014. http://dx.doi.org/10.1007/978-3-319-06284-6_2.

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Andrews, Jeffrey G., Abhishek K. Gupta, Ahmad Alammouri e Harpreet S. Dhillon. "Heterogeneous Cellular Network Analysis". In Synthesis Lectures on Learning, Networks, and Algorithms, 47–59. Cham: Springer International Publishing, 2023. http://dx.doi.org/10.1007/978-3-031-29743-4_4.

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Atti di convegni sul tema "Cellular network"

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Boccardi, Federico, e Howard Huang. "Limited Downlink Network Coordination in Cellular Networks". In 2007 IEEE 18th International Symposium on Personal, Indoor and Mobile Radio Communications. IEEE, 2007. http://dx.doi.org/10.1109/pimrc.2007.4394807.

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Mahindra, Rajesh, Mohammad A. Khojastepour, Honghai Zhang e Sampath Rangarajan. "Radio Access Network sharing in cellular networks". In 2013 21st IEEE International Conference on Network Protocols (ICNP). IEEE, 2013. http://dx.doi.org/10.1109/icnp.2013.6733595.

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Hahner, Jorg, Klement Streit e Sven Tomforde. "Cellular traffic offloading through network-assisted ad-hoc routing in cellular networks". In 2016 IEEE Symposium on Computers and Communication (ISCC). IEEE, 2016. http://dx.doi.org/10.1109/iscc.2016.7543783.

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Bukkawar, S., e N. S. Killarikar. "Hybrid cellular adhoc network". In the International Conference & Workshop. New York, New York, USA: ACM Press, 2011. http://dx.doi.org/10.1145/1980022.1980200.

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Yang, Tao, e Dongyuan Yang. "Cellular Automata Network Model of Street Network". In International Conference on Traffic and Transportation Studies (ICTTS) 2002. Reston, VA: American Society of Civil Engineers, 2002. http://dx.doi.org/10.1061/40630(255)100.

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Kayama, Yoshihiko. "Network representation of cellular automata". In 2011 Ieee Symposium On Artificial Life - Part Of 17273 - 2011 Ssci. IEEE, 2011. http://dx.doi.org/10.1109/alife.2011.5954643.

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Ayhan, Tuba, e Mustak Erhan Yalcin. "Randomly reconfigurable Cellular Neural Network". In 2011 European Conference on Circuit Theory and Design (ECCTD). IEEE, 2011. http://dx.doi.org/10.1109/ecctd.2011.6043615.

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Jyh-Shyan Huang, Yao-Nan Lien e Chih-Lin Hu. "Design of Contingency Cellular Network". In 2012 14th Asia-Pacific Network Operations and Management Symposium (APNOMS). IEEE, 2012. http://dx.doi.org/10.1109/apnoms.2012.6356074.

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Vaze, Rahul, e Srikanth K. Iyer. "Capacity of cellular wireless network". In 2017 15th International Symposium on Modeling and Optimization in Mobile, Ad Hoc, and Wireless Networks (WiOpt). IEEE, 2017. http://dx.doi.org/10.23919/wiopt.2017.7959907.

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Faruque, Saleh. "Transition to green cellular network". In 2015 IEEE International Conference on Electro/Information Technology (EIT). IEEE, 2015. http://dx.doi.org/10.1109/eit.2015.7293332.

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Rapporti di organizzazioni sul tema "Cellular network"

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Riser, Stephen C. PALACE Drifters and the Global Cellular Network. Fort Belvoir, VA: Defense Technical Information Center, settembre 1999. http://dx.doi.org/10.21236/ada629723.

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Riser, Stephen C. PALACE Drifters and the Global Cellular Network. Fort Belvoir, VA: Defense Technical Information Center, giugno 2001. http://dx.doi.org/10.21236/ada389836.

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Batzilis, Dimitrios, Taryn Dinkelman, Emily Oster, Rebecca Thornton e Deric Zanera. New cellular networks in Malawi: Correlates of service rollout and network performance. Cambridge, MA: National Bureau of Economic Research, dicembre 2010. http://dx.doi.org/10.3386/w16616.

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Chen, Yongzhou, Ammar Tahir e Radhika Mittal. Controlling Congestion via In-Network Content Adaptation. Illinois Center for Transportation, settembre 2022. http://dx.doi.org/10.36501/0197-9191/22-018.

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Realizing that it is inherently difficult to match precisely the sending rates at the endhost with the available capacity on dynamic cellular links, we built a system, Octopus, that sends real-time data streams over cellular networks using an imprecise controller (that errs on the side of overestimating network capacity) and then drops appropriate packets in the cellular-network buffers to match the actual capacity. We designed parameterized primitives for implementing the packet-dropping logic, which the applications at the endhost can configure differently to express various content-adaptation policies. Octopus transport encodes the app-specified parameters in packet header fields, which the routers can parse to execute the desired dropping behavior. Our evaluation shows how real-time applications involving standard and volumetric videos can be designed to exploit Octopus for various requirements and achieve a performance that is 1.5 to 18 times better than state-of-the-art schemes.
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Slavova, Angela, e Galina Bobeva. On Cellular Nanoscale Network Model Arising in Nano Structures. "Prof. Marin Drinov" Publishing House of Bulgarian Academy of Sciences, luglio 2018. http://dx.doi.org/10.7546/crabs.2018.07.12.

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Kinney, Steven, e Elisha Peterson. Modeling of Diffusion through a Network: A New Approach using Cellular Automata and Network Science Techniques. Fort Belvoir, VA: Defense Technical Information Center, maggio 2010. http://dx.doi.org/10.21236/ada521397.

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Eshed-Williams, Leor, e Daniel Zilberman. Genetic and cellular networks regulating cell fate at the shoot apical meristem. United States Department of Agriculture, gennaio 2014. http://dx.doi.org/10.32747/2014.7699862.bard.

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Abstract (sommario):
The shoot apical meristem establishes plant architecture by continuously producing new lateral organs such as leaves, axillary meristems and flowers throughout the plant life cycle. This unique capacity is achieved by a group of self-renewing pluripotent stem cells that give rise to founder cells, which can differentiate into multiple cell and tissue types in response to environmental and developmental cues. Cell fate specification at the shoot apical meristem is programmed primarily by transcription factors acting in a complex gene regulatory network. In this project we proposed to provide significant understanding of meristem maintenance and cell fate specification by studying four transcription factors acting at the meristem. Our original aim was to identify the direct target genes of WUS, STM, KNAT6 and CNA transcription factor in a genome wide scale and the manner by which they regulate their targets. Our goal was to integrate this data into a regulatory model of cell fate specification in the SAM and to identify key genes within the model for further study. We have generated transgenic plants carrying the four TF with two different tags and preformed chromatin Immunoprecipitation (ChIP) assay to identify the TF direct target genes. Due to unforeseen obstacles we have been delayed in achieving this aim but hope to accomplish it soon. Using the GR inducible system, genetic approach and transcriptome analysis [mRNA-seq] we provided a new look at meristem activity and its regulation of morphogenesis and phyllotaxy and propose a coherent framework for the role of many factors acting in meristem development and maintenance. We provided evidence for 3 different mechanisms for the regulation of WUS expression, DNA methylation, a second receptor pathway - the ERECTA receptor and the CNA TF that negatively regulates WUS expression in its own domain, the Organizing Center. We found that once the WUS expression level surpasses a certain threshold it alters cell identity at the periphery of the inflorescence meristem from floral meristem to carpel fate [FM]. When WUS expression highly elevated in the FM, the meristem turn into indeterminate. We showed that WUS activate cytokinine, inhibit auxin response and represses the genes required for root identity fate and that gradual increase in WUCHEL activity leads to gradual meristem enlargement that affect phyllotaxis. We also propose a model in which the direction of WUS domain expansion laterally or upward affects meristem structure differently. We preformed mRNA-seq on meristems with different size and structure followed by k-means clustering and identified groups of genes that are expressed in specific domains at the meristem. We will integrate this data with the ChIP-seq of the 4 TF to add another layer to the genetic network regulating meristem activity.
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Li, Howell, Enrique Saldivar-Carranza, Jijo K. Mathew, Woosung Kim, Jairaj Desai, Timothy Wells e Darcy M. Bullock. Extraction of Vehicle CAN Bus Data for Roadway Condition Monitoring. Purdue University, 2020. http://dx.doi.org/10.5703/1288284317212.

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Obtaining timely information across the state roadway network is important for monitoring the condition of the roads and operating characteristics of traffic. One of the most significant challenges in winter roadway maintenance is identifying emerging or deteriorating conditions before significant crashes occur. For instance, almost all modern vehicles have accelerometers, anti-lock brake (ABS) and traction control systems. This data can be read from the Controller Area Network (CAN) of the vehicle, and combined with GPS coordinates and cellular connectivity, can provide valuable on-the-ground sampling of vehicle dynamics at the onset of a storm. We are rapidly entering an era where this vehicle data can provide an agency with opportunities to more effectively manage their systems than traditional procedures that rely on fixed infrastructure sensors and telephone reports. This data could also reduce the density of roadway weather information systems (RWIS), similar to how probe vehicle data has reduced the need for micro loop or side fire sensors for collecting traffic speeds.
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Teng, Henry, e Khalid Mosalam. Long-Term Monitoring of Bridge Settlements using Vision-Based Embedded System. Pacific Earthquake Engineering Research Center, University of California, Berkeley, CA, dicembre 2020. http://dx.doi.org/10.55461/apri8198.

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The State of California is highly seismic, capable of generating large-magnitude earthquakes that could cripple the infrastructure of several large cities. Yet the annual maintenance of the State’s bridges, such as highway overpasses, is not robust due to budget and staff constraints. Over 1000 bridges were not inspected according to the California Department of Transportation’s (Caltrans) 2015 Maintenance Plan. To help engineers monitor infrastructure conditions, presented within is a device recently developed that employs modern sensing, computing, and communication technologies to autonomously measure and remotely report vertical settlements of bridges, such as highway overpasses. Given the limitations of existing measurement devices, we propose a novel vision-based method that employs a camera to take a picture of a projected laser beam. This new device is referred to as the Projected Laser Target Method (PLTM). This report documents the embedded system design and development of two prototypes. The first prototype implements communication over a local WIFI network using synchronous code to measure distance over time; this PLTM is deployed in a laboratory setting. The second device under study implements communication over a Bluetooth Low Energy system using asynchronous code and communication over 2G cellular networks using synchronous code, with the aim of determining its accuracy in the field. This report evaluates the performance of the field-suitable system in terms of its system reliability, measurement accuracy and precision, power consumption, and its overall system performance.
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Gerstein, Mark. Tools and Models for Integrating Multiple Cellular Networks. Office of Scientific and Technical Information (OSTI), novembre 2015. http://dx.doi.org/10.2172/1225189.

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