Abstractin this paper, we provide an analysis of self organized network management, with an endtoend perspective of the network. Implementation of newer technology, called self organizing networks son is serving as a key driver for improving operational support systems for 4g networks. Such networks can learn to detect regularities and correlations in their input and adapt their future responses to that input accordingly. Selforganizing networks son in 3gpp long term evolution sujuan feng, eiko seidel nomor research gmbh, munich, germany 20th of may 2008 introduction as every mobile network, lte long term evolution system also needs to be managed. According to the new research report on the selforganizing network market by offering software, service, network segment ran, core network, backhaul, wifi, architecture cson, dson, hson, network technology 2g3g, 4glte, 5g, and geography global forecast to 2023, the market is expected to grow from usd 3. Introduction due to the increase of mobile communication in the last decade, mobile networks become more and more heterogeneous.
Heterogeneous small cell networks operate on licensed spectrum owned by the mobile operator fundamentally di erent from macrocells since they need to be autonomous and selforganizing and selfadaptive to maintain low costs femtocells are connected to the operator through dslcableethernet connection. Son functions are responsible for automatically planning, configuring, managing, optimizing and healing a mobile network. If the solution is considered as a state of the iterative system, the optimal solution is the selected, converged structure of the system. If professional advice or other expert assistance is required, the services of a competent professional should be sought. Heterogeneous small cell networks operate on licensed spectrum owned by the mobile operator fundamentally di erent from macrocells since they need to be autonomous and self organizing and self adaptive to maintain low costs femtocells are connected to the operator through dslcableethernet connection. This material is protected by uk and international laws. Use cases for selforganising networks fp7 socrates. The 19 articles take up developments in competitive learning and computational maps, adaptive resonance theory, and specialized. Therefore, the introduction of advanced mobile wireless networks has highlighted the need and essence for automation within the network. Self organizing networks include smallworld networks and scalefree networks. This topology has 18 nodes in the distance2 grid, 12 nodes in the distance1 grid, and 6 nodes. Self organizing networks and optimization software market is expected to set up over. The 19 articles take up developments in competitive learning and computational maps. The main drivers are essentially to reduce capex and opex, which would otherwise increase dramatically due to increased number of.
However, the exact implementation of the abs almost blank subframemechanism for eicic is left for operators. Review on self organizing networks son in lteadvanced. Selforganizing procedures for cooperative signal processing and resource management are also being incorporated into the awairs microsensor network system. Welldesigned and efficient son functions are able to achieve and maintain high. Cluster with selforganizing map neural network matlab. Researches have proposed some selforganizing way of this reservoir. And since the self organizing approaches followed by each network operators differ greatly in different parts of their. Self organizing maps are based on these principles. Self organizing networks are commonly divided into three major architectural types. Selforganizing networks son is a collection of functions for automatic configuration, optimization, diagnostisation and healing of cellular networks. Global selforganizing networks market is expected to. Controlling selforganizing dynamics on networks using. Selforganization, also called in the social sciences spontaneous order, is a process where some form of overall order arises from local interactions between parts of an initially disordered system.
Kohonens networks are arrangements of computing nodes in one, two, or multidimensional lattices. Principles of selforganizing networks selforganizing networks are defined as a set of use cases covering all aspects of network operation from network planning to maintenance activities. One of the main new technologies in future generation networks is that of the automation of their organization. In mobile communications the domains of a son incl ude self configuration, self optimization and self healing of the systems elements. The neurons of competitive networks learn to recognize groups of. Adjicomloadmeasdrnccellncho 0 not activated, if supported by u2100 then 1. Use of selforganizing networks to optimize radio access networks. Self organizing networks son in 3gpp long term evolution sujuan feng, eiko seidel nomor research gmbh, munich, germany 20th of may 2008 introduction as every mobile network, lte long term evolution system also needs to be managed. Software, one of the segments analyzed and sized in this study, displays the potential to grow at over 10. Since november 2009 she has worked at the radio research unit of nokia siemens networks and is responsible for the self organizing networks son research field.
This project cognitive selforganizing networks cson for 5g addresses the challenges of network operations that arise due to the. Selforganizing networks followed by the study of the selfoptimization category. They differ from competitive layers in that neighboring neurons in the self organizing map learn to recognize neighboring sections of the input space. In this context, selforganising network son is a common term used to refer to. Pattern recognition by selforganizing neural networks mit. Takechi et al use of selforganizing networks to optimize radio access networks section. Typically, in case of vehicular networks, the global structure has to ensure the network selforganization in order to optimize the vehicletovehicle and vehicletoinfrastructure communication with regard to nodes high mobility. As one of the first steps in the project a number of use cases has been set up. Introduction rapid technological advances are being made toward developing selforganizing distributed microsensor. Tech ii year scholar cne, dept of ise, the oxford college of engineering, bangalore, karnataka professor and hod, dept of ise, the oxford college of engineering bangalore, karnataka. These use cases express highlevel requirements for future networks and are based on the paradigm that network should selforganize and manage its. Jan 04, 2017 an introduction to self organizing networks son 1.
The analysts of son selforganizing networks market report says amid growing demands for mobile broadband connectivity, mobile operators are. The process can be spontaneous when sufficient energy is available, not needing control by any external agent. Controlling selforganizing dynamics on networks using models. Benefits of selforganizing networks son for mobile operators. Re distributing this material or a part of it in any form is not permitted without written permission from the holder. Benefits of selforganizing networks son for mobile.
The main drivers are essentially to reduce capex and opex, which would otherwise increase dramatically due to. What this means is that the systems are trained by showing examples of patterns that are to be classified, and the network is allowed to produce its. Lte son training, selforganizing networks son training course covers all aspects of a sonenabled system including technologies, planning, design, architecture, operation and maintenance. Operators lack visibility and control of community wifi network performance, which means they cant fully leverage wifi strategies such as offload because they cant guarantee a consistent quality of experience qoe for endusers. Cluster with self organizing map neural network self organizing feature maps sofm learn to classify input vectors according to how they are grouped in the input space.
Optimization algorithms can be considered self organizing because they aim to find the optimal solution to a problem. Self configuring and self optimizing network use cases and solutions selforganizing networks son in 3gpp lte nomor research the socrates selfoptimisation and selfconfiguration in wireless networks project benefits of selforganizing. What this means is that the systems are trained by showing examples of patterns that are to be classified, and the network is allowed to produce its own output code for the classification. Pattern recognition by selforganizing neural networks presents the most recent advances in an area of research that is becoming vitally important in the fields of cognitive science, neuroscience, artificial intelligence, and neural networks in general. And since the self organizing approaches followed by each network operators differ greatly in. Use of selforganizing networks to optimize radio access. Selforganizing networks of information gathering cognitive. According to the new research report on the self organizing network market by offering software, service, network segment ran, core network, backhaul, wifi, architecture cson, dson, hson, network technology 2g3g, 4glte, 5g, and geography global forecast to 2023, the market is expected to grow from usd 3. The echo state network esn is a typical example of this type of networks. Selforganizing networks son is an automation technology in the wireless industry implemented to simplify the planning, deployment, operation. We offer a casespecific illustration of selforganization using network theory as an investigative lens.
Pdf selforganizing networks adeola rasheed academia. Lte son training introduces selfoptimization, selfconfiguration and selfhealing of lte and lteadvanced networks. Selforganizing networks son and optimization software. A selforganizing network son is an automation technology designed to make the planning, configuration, management, optimization and healing of mobile radio access networks simpler and faster. Lte selforganizing networks activities mera follows communication technology evolution trends and invests in expertise in a new generation of wireless communication standards, including lte and lte advanced. Telco oss selforganizing network ran optimization product. Introduction the concept of self organizing networks son has picked up only after the transition from 3g to 4g started. Selforganizing networks in complex infrastructure projects. In a way, 2g and 3g are cicuit switch philosophies, with nearly everything manually planned and controlled. They differ from competitive layers in that neighboring neurons in the selforganizing map learn to recognize neighboring sections of the input space. Selforganizing networks son and optimization software market is booming rapidly as fourth generation 4g of cellular communications is offering much greater bandwidth which is expected to stimulate the development, operation, and implementation of many new applications. Library of congress cataloginginpublication data selforganizing networks. A survey of selforganizing networks son nagesh c b, dr. Principles of self organizing networks self organizing networks are defined as a set of use cases covering all aspects of network operation from network planning to maintenance activities.
Learning by changes in synaptic weight a topographic organization of information ie similar information is found in a similar spatial location. Self organizing networks son is a collection of functions for automatic configuration, optimization, diagnostisation and healing of cellular networks. Selforganizing networks son was introduced by the next generation mobile networks ngmn, and was subsequently standardized by 3gpp along with. While significant importance is given to establishing formal organizational and contractual hierarchies, existing project management techniques neglect the management of selforganizing networks in largeinfrastructure projects. Selforganization as applied to cellular networks is usually referred to self organizing networks sons, and it is a key driver for improving. Self organizing networks for 3gpp lte springerlink.
This topology has 24 nodes in the distance2 grid, 16 nodes in the distance1 grid, and 8 nodes in the distance0 grid, which means the difference between each rectangular grid is 8 nodes. Stateoftheart, challenges and perspectives conference paper pdf available july 2010 with 1,233 reads how we measure reads. The socrates selfoptimisation and selfconfiguration in wireless networks project aims at the development of selforganisation methods for lte radio networks. An introduction to self organizing networks son from explanotech. Kohonens networks are one of basic types of self organizing neural networks. Dsouza university of california, davis, california 95616, usa received 3 may 20. Artificial neural networks which are currently used in tasks such as speech and handwriting recognition are based on learning mechanisms in the brain i. Comarch selforganizing network introduces true network automation, thus enabling mobile network.
It is considered to be a necessity in future mobile networks and operations due to the increased cost pressure. The introduction of son in lte therefore brings about optimum network performance and higher end user quality of experience. At the establishment of nokia siemens networks in 2007, she lead the network telecom team in ran system architecture, dealing with 2g, 3g, wimax and lte call processing. Another variation on the neural network are systems which are said to be selforganizing networks. Such networks are shaped by a wealth of plasticity mechanisms which affect synaptic as well as neuronal properties and operate over various time. Introduction the widespread usage of mobile devices, together with the emergence of socialbased services and applications, have inspired novel and selforganized networking paradigms that capitalize on the ability of mobile devices to connect and share information in an adhoc. Presentation on the basics of selforganizingselfoptimizing networks son in lte. Selforganizing network son is an automation technology which is designed to make the planning, deployment, operation, optimization and healing of mobile radio access networks simpler and faster. The analysts of son selforganizing networks market report says amid growing demands for mobile broadband connectivity, mobile operators are keen.
Kohonen selforganizing feature maps tutorialspoint. Why is self organizing networks son needed for lte. As a solution for this, we propose a selforganizing network son concept in lteadvanced. Pattern recognition by self organizing neural networks presents the most recent advances in an area of research that is becoming vitally important in the fields of cognitive science, neuroscience, artificial intelligence, and neural networks in general.
These networks are called self organizing networks son. Cellular networks, long term evolution, selforganizing networks, selfcon guration, dynamic radio con guration, femto cells, cell allocation 1. In addition, one kind of artificial neural network, self organizing networks, is based on the topographical organization of the brain. The concept of self organizing networks son has picked up only after the transition from 3g to 4g started. Get your oss ready for selforganizing networks with comarch telecom son and ran optimization solution. Selforganisation comprises selfoptimisation, selfconfiguration and selfhealing. Cluster with selforganizing map neural network selforganizing feature maps sofm learn to classify input vectors according to how they are grouped in the input space. Introduction rapid technological advances are being made toward developing self organizing distributed microsensor. Takechi et al use of self organizing networks to optimize radio access networks section. Selforganizing networks appear as a solution to reduce these expenditures as. An introduction to selforganizing networks son date. Self organizing network market statistics and trends. These use cases express highlevel requirements for future networks and are based on the paradigm that network should self organize and manage its. Self configuring and self optimizing network use cases and solutions self organizing networks son in 3gpp lte nomor research the socrates self optimisation and self configuration in wireless networks project benefits of self organizing.
We saw that the self organization has two identifiable stages. Kohonens networks are one of basic types of selforganizing neural networks. Fontechs wifi son solution solves this problem, giving carriers the tools to optimize community wifi networks. Review on self organizing networks son in lteadvanced hetnets.
The global son selforganizing network market is an intelligent mobile network software solution that deals with complex network. Cellular networks, long term evolution, self organizing networks, self con guration, dynamic radio con guration, femto cells, cell allocation 1. Selforganizing network the input to the network is a point set p p i 2 r3,i0,n. Since lte is an evolvement of umts, the management should also evolve from umts. Introduction the widespread usage of mobile devices, together with the emergence of socialbased services and applications, have inspired novel and self organized networking paradigms that capitalize on the ability of mobile devices to connect and share information in an adhoc. When applying a son to actual networks, the following points should be taken into account. An introduction to self organizing networks son date. The ability to self organize provides new possibilities adaptation to formerly unknown input data. Controlling selforganizing dynamics on networks using models that selforganize pierreandre. We began by defining what we mean by a self organizing map som and by a topographic map. Son functionality and behavior has been defined and specified in generally accepted mobile industry recommendations produced by organizations such as 3gpp 3rd generation. Kohonens model of selforganizing networks goes to the heart of this issue. Self organizing procedures for cooperative signal processing and resource management are also being incorporated into the awairs microsensor network system.
Another variation on the neural network are systems which are said to be self organizing networks. It is often triggered by seemingly random fluctuations, amplified by. Pattern recognition by selforganizing neural networks. Distributed son edit in this type of son dson, functions are distributed among the network elements at the edge of the network, typically the enodeb elements. This was because of the exponential increase in the data traffic which required a change in the way the network coverage and capacity were planned. The ability to selforganize provides new possibilities adaptation to formerly unknown input data. It should be sufficiently autonomous and dynamic to deal with any local change. Selforganizing networks son in 3gpp long term evolution. Self organizing networks son developed by 3gpp, using automation, ensures operational efficiency and next generation simplified network management for a mobile wireless. Self organization as applied to cellular networks is usually referred to self organizing networks sons, and it is a key driver for improving operations, administration, and maintenance oam activities. Self organizing maps are a type of artificial neural network. We then looked at how to set up a som and at the components of self organisation.
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