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...

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....

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 world is currently undergoing a new industrial revolution characterized by the digitization and automation of industry through use Information Communication Technologies (ICTs). construction sector one largest sectors industry. Most tasks associated with this are carried out at worksites that defined their dynamism, decentralization, temporality, intervention large number workers, subcontractors, machinery, equipment, materials. These characteristics make great challenge for...

Mobility performance has been a key focus in cellular networks up to 5G. To enhance handover (HO) performance, 3GPP introduced Conditional Handover (CHO) and Layer 1/Layer 2 Triggered (LTM) mechanisms While these reactive HO strategies address the trade-off between failures (HOF) ping-pong effects, they often result inefficient radio resource utilization due additional preparations. overcome challenges, this article proposes proactive framework for mobility management O-RAN, leveraging...

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...

Computationally-Efficient Design of a Dynamic System-Level LTE Simulator The Long-Term Evolution (LTE) is the next generation current mobile telecommunication networks. has new flat radio-network architecture and significant increase in spectrum efficiency. In this paper, computationally-efficient tool for dynamic system-level simulations proposed. A physical layer abstraction performed to predict link-layer performance with low computational cost. At link layer, there are two important...

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....

Within Self-Organizing Networks (SON), the Cell Outage Compensation (COC) functionality is one of most important use cases in Self-Healing mobile communication networks.The state-of-the-art has proposed different COC techniques, each them to be indistinctly applied all cells outage.Conversely, this paper presents an improvement function by adapting strategies cell outage situations.With objective, a novel methodology proposed.When occurs network, detailed analysis faulty situation carried...

Next-generation self-organizing networks (NG-SONs) are the key that will lead to full automation of network management in forthcoming generations cellular communications. New challenges, like deployment novel wireless services or aim operators provide end-to-end monitoring and optimization, make it necessary develop an innovative scheme for management. Within SON, self-healing (SH) comprises fault detection, root cause analysis (RCA), compensation. these, RCA activities is one elements...

In the context of Long‐Term Evolution (LTE), next generation mobile telecommunication network, femtocells are low‐power base stations that efficiently provide coverage and capacity indoors. This paper presents a computationally efficient dynamic system‐level LTE simulator for enterprise femtocell scenarios. The includes specific mobility traffic propagation models indoor environments. A physical layer abstraction is performed to predict link‐layer performance with low computational cost. At...

In cellular networks, traffic demand is unevenly distributed both in time and space. This paper investigates the problem of re-distributing between LTE femtocells an enterprise scenario. A performance comparison several sharing techniques carried out based on simulations. For this purpose, efficient dynamic system-level simulator built. Results show that combination directed retry load by tuning handover margins transmit power effective means to solve localized congestion problems.

Multi-channel access is a family of multi-service radio resource management solutions that enable user equipment to aggregate resources from multiple sources. The objective multi-fold: throughput enhancement through larger bandwidth tailored for enhanced mobile broadband, reliability improvement by increasing the diversity order and/or coordinated transmission/reception ultra-reliable low latency communication service classes, as well flexibility and load balancing decoupling downlink uplink...

The arrival of the fifth generation (5G) standard has further accelerated need for operators to improve network capacity. With this purpose, mobile topologies with smaller cells are currently being deployed increase frequency reuse. In way, number nodes that collect performance data is risen, so metrics be managed and analyzed highly increased. Therefore, it fundamental have tools automatically inform operator relevant information within vast amount collected. continuous monitoring...

Despite self-organizing networks (SONs) pursue the automation of management tasks in current cellular networks, selection most useful performance indicators (PIs), used as inputs for SON functions, is still performed by network experts. In this letter, a novel supervised technique automatic PIs self-healing functions proposed, relying on dissimilarity their statistical behavior under different states. Results using data from live show that proposed method outperforms an expert's selection,...

Next-generation mobile communications networks will have to cope with an extraordinary amount and variety of network performance indicators, causing increase in the storage needs databases degradation management functions due high-dimensionality every observation. In this paper, different techniques for feature extraction are described proposed as a means reducing high dimensionality, be integrated intermediate stage between monitoring indicators their usage networks’ functions. Results...

Self-organizing networks (SONs) are an important feature for network management automation in the new generation of mobile communications. While SONs have been considered to be part recent 3GPP standards such as LTE, it is expected that future 5G will present challenges SON solutions. One most use cases self-healing cell outage compensation (COC). This article proposes improvement COC functionality based on analyzing large real data sets from live order adapt neighboring context. First, we...