Self-organizing networks (SONs) aim to raise the level of automated operation in next-generation networks. One use cases defined this field is optimization handover (HO) process, which involves a tradeoff between amount signaling load due HOs and quality active connections network. In paper, first, sensitivity analysis two main HO parameters, i.e., margin (HOM) time-to-trigger (TTT), carried out for different system levels user speeds Long-Term Evolution (LTE) Second, fuzzy logic controller...

The increase in the size and complexity of current cellular networks is complicating their operation maintenance tasks. While end-to-end user experience terms throughput latency has been significantly improved, have also become more prone to failures. In this context, mobile operators start concentrate efforts on creating self-healing networks, i.e., those capable troubleshooting an automatic way, making network reliable reducing costs. paper, diagnosis system based unsupervised techniques...

Future wireless networks will be Heterogeneous Networks (HetNet), as they comprise multiple Radio Access Technologies (RAT) and network architectures. The complexity of managing operating such is forcing operators to find new strategies if want remain competitive. In this context, Self-Organizing (SON) have arisen one the key technologies for enhancing operation minimizing costs in future networks. SON functionalities can classified self-configuration, self-optimization, self-healing....

Mobile-broadband traffic has experienced a large increase over the past few years. Femtocells are envisioned to cope with such demand of capacity in indoor environments. Since those small cells low-cost nodes, thorough deployment is not typically performed, particularly enterprise scenarios. As result, matching between and network resources rarely optimal. In this paper, several load balancing techniques based on self-tuning femtocell parameters designed solve localized congestion problems....

Fifth Generation (5G) is here to accelerate the digitization of economies and society, open up innovation opportunities for verticals. A myriad 5G-enabled use cases has been identified across disparate sectors like tourism, retail industry, manufacturing. Many networks these are expected be private networks, that is, intended exclusive an enterprise customer. This article provides overview technical aspects in 5G networks. We first identify key requirements enabling solutions Then, we...

The number of connected IoT devices is significantly increasing and it expected to reach more than two dozens billions connections in the coming years. Low Power Wide Area Networks (LPWAN) have become very relevant for this new paradigm due features such as large coverage low power consumption. One most appealing technologies among these networks LoRaWAN. Although may be considered one mature LPWAN platforms, there are still open gaps its capacity limitations. For reason, work proposes a...

Neural Architecture Search (NAS) is a powerful approach of automating the design efficient neural architectures. In contrast to traditional NAS methods, recently proposed one-shot methods prove be more in performing NAS. One-shot works by generating singular weight-sharing supernetwork that acts as search space (container) subnetworks. Despite its achievements, designing remains major challenge. this work we propose strategy for Vision Transformer (ViT)-based particular, convert Segment...

In Self-Organizing Networks (SON), load balancing has been recognized as an effective means to increase network performance. cellular networks, cell can be achieved by tuning handover parameters, for which a Fuzzy Logic Controller (FLC) usually provides good performance and usability. Operator experience used define the behavior of FLCs. However, such knowledge is not always available hence optimization techniques must applied in controller design. this work, fuzzy $Q$-Learning algorithm...

This letter presents a novel cell outage detection algorithm based on incoming handovers statistics.The main advantage of the proposed is that it uses neighbor measurements allow to detect in two cases.First, when able report performance indicators; second, these indicators are not available because base station affected.To evaluate and compare with other approaches, set tests has been carried out using an LTE simulator live network.

Mobile networks have rapidly evolved in recent years due to the increase multimedia traffic and offered services. This has led a growth volume of control data measurements that are used by self-healing systems. To maintain certain quality service, systems must complete their tasks reasonable time. The conjunction big limitation time requires approach problem self-healing. article reviews uses as input justifies its classification data. Big techniques applied mobile examined, some use cases...

Self-healing networks aim to detect cells with service degradation, identify the fault cause of their problem, and execute compensation repair actions. The development this type automatic system presents several challenges be confronted. first challenge is scarce number historically reported faults, which greatly complicates evaluation novel self-healing techniques. For reason, in paper, a model simulate faults Long-Term Evolution (LTE) networks, along most significant key performance...

The large increase in size and complexity experienced by cellular networks recent years has led to a new paradigm known as heterogeneous networks, or HetNets. In this context, with different cell sizes, radio access technologies, carrier frequencies can be deployed the same environment. As coverage area of each these is typically overlapped, operators have some degree freedom modify user distributions across (i.e., traffic steering) order improve network performance. This article introduces...

The recent developments in cellular networks, along with the increase services, users and demand of high quality have raised Operational Expenditure (OPEX). Self-Organizing Networks (SON) are solution to reduce these costs. Within SON, self-healing is functionality that aims automatically solve problems radio access network, at same time reducing downtime impact on user experience. Self-healing comprises four main functions: fault detection, root cause analysis, compensation recovery. To...

Network slicing is considered a key mechanism to serve the multitude of tenants (e.g. vertical industries) targeted by forthcoming 5G systems in flexible and cost-efficient manner. In this paper, we present SDN/NFV architecture with multi-tenancy support. This enables network slice provider deploy instances for multiple on-the-fly, simultaneously provision them isolation guarantees. Following Slice as-a-Service delivery model, tenant may access Service Catalog, selecting that best fits its...

The new fifth generation (5G) era has transformed previous mobile generations into fast, smart networks that will be more responsive and customizable. With network slicing, 5G can dynamically adapted to the different needs of specific vertical industries. This capability opened opportunity business models whereby infrastructure owners monetize their investment by leasing resources third parties (i.e. tenants). In this respect, a challenging task for owner radio access provider) is spectrum...

Self-Organizing Networks (SONs) aim to raise the level of automated management in cellular technologies. In this field, Load Balancing (LB) and Handover Optimization (HOO) are two important functions improve network performance. As these can adjust same parameters, a conflict may happen if LB HOO tune them at time. paper, resolution both Long-Term Evolution (LTE) networks is addressed. Results show that proposed coordination effectively provides better performance those situations which...

An important concept in the fifth generation of mobile networks is multitenancy, which allows diverse operators sharing same wireless infrastructure. To support this feature conjunction with challenging performance requirements future networks, more automated and faster planning required radio capacity needed. Likewise, installing small cells an effective resource to provide greater both indoor outdoor places. This paper proposes a new framework for cell multitenant networks. In particular,...

Fifth Generation (5G) is expected to meet stringent performance network requisites of the Industry 4.0. Moreover, its built-in slicing capabilities allow for support traffic heterogeneity in 4.0 over same physical infrastructure. However, 5G might not be enough terms degree isolation many private networks use cases, such as multi-tenancy In this vein, infrastructure slicing, which refers dedicated and well isolated resources each slice at every domain, fits necessities those cases. article,...

In this paper the behavior and self-optimization of an LTE network under realistic conditions are investigated. To enhance performance in a urban environment controller to auto-tune parameters has been proposed. An mobility model also defined order test proposed method conditions. This allows investigate some features, wich not visible with simple model. paper, we propose use Fuzzy Logic Controller (FLC) for optimization handover adaptive load balancing. Results show that agglomeration...

The current trend in the management of mobile communication networks is to increase level automation order enhance network performance while reducing Operational Expenditure (OPEX). In this context, 3rd Generation Partnership Project (3GPP) has presented different solutions. On one hand, Self-Organizing Networks (SON) include self-healing capabilities, which allow operators automate their troubleshooting tasks identify and solve problems network. other use traces or Minimization Drive Tests...

The increasing amount of network elements in the current deployments cellular networks is leading to an enormous complexity operation and maintenance. Self-organizing (SONs) a good solution for operators save operational expenditures by automating management. One key challenges this context automatic identification degraded cells. In letter, method detect cells through analysis time evolution metrics proposed. Results show that cell faulty patterns can be effectively detected comparing them...

By 2020, mobile networks will support a wide range of communication services while at the same time, number user terminals be enormous. To cope with such increased complexity in network management, innovative solutions for next generation self-organizing (SONs) need to deployed. In field self-healing, heterogeneous character future fifth-generation (5G) radio access (RANs) provide diversity measurements and metrics that can translated into valuable knowledge detection diagnosis activities....