The global son self organizing network market is an intelligent mobile network software solution that deals with complex network. It seems to be the most natural way of learning, which is used in our brains, where no patterns are defined. Selforganisation comprises selfoptimisation, selfconfiguration and selfhealing. Pdf benefits of selforganizing networks son for mobile. The crucial invention of kohonen was to introduce a system model that is composed of at least two interacting subsystems of different natures. Re distributing this material or a part of it in any form is not permitted without written permission from the holder. Self organizing networks for 3gpp lte springerlink. As one of the first steps in the project a number of use cases has been set up. A survey of selforganizing networks son nagesh c b, dr. It is often triggered by seemingly random fluctuations, amplified by positive feedback. Suppose we have some pattern of arbitrary dimensions, however, we need them in one dimension or two dimensions. The first response towards solving this problem in mobile networks is the development of the so called selforganizing network son standards for the 3gpp 4th. In this paper we describe an architecture for selforganizing wireless sensornetworks 1. With it, a model of diffusion of the plasticitycontrolling molecules is involved.
These networks are called selforganizing networks son. The ability to selforganize provides new possibilities adaptation to formerly unknown input data. A mobile adhoc network manet is a peertopeer network which is usually comprised of tens to. The process can be spontaneous when sufficient energy is available, not needing control by any external agent. Kohonens networks are arrangements of computing nodes in one, two, or multidimensional lattices. Use cases for selforganising networks fp7 socrates. It is widely applied to clustering problems and data exploration in industry, finance, natural sciences, and linguistics. Benefits of selforganizing networks son for mobile.
This can be simply determined by calculating the euclidean distance between input vector and weight vector. Essentials of the selforganizing map sciencedirect. It is considered to be a necessity in future mobile networks and operations due to the increased cost pressure. Introduction rapid technological advances are being made toward developing self organizing distributed microsensor. In this paper, a general overview of selforganizing networks son, and the rationale and stateoftheart of wireless son are first presented.
These are wireless adhoc network that connect deeply embedded sensors, actuators, and processors. Kohonens networks are one of basic types of selforganizing neural networks. One might also mention a recent version of selforganizing projections kohonen, 2005, kohonen, 2006 in which a global order can be achieved. These networks are called self organizing networks son. 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. In this report, we first discuss about when and why son was introduced. Self organizing network market statistics and trends. Selforganizing networks of information gathering cognitive. An introduction to selforganizing networks son date.
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. Review on self organizing networks son in lteadvanced. Takechi et al use of self organizing networks to optimize radio access networks to a base station with highload cells to one with lowload cells and thus better distribute the total load. These use cases express highlevel requirements for future networks and are based on the paradigm that network should self organize and manage its. Over the years, automation will eventually grow as an inherent component in. This combination of wireless and data networking will result in a new form of computational paradigm which is. In addition, one kind of artificial neural network, self organizing networks, is based on the topographical organization of the brain. Selforganization as applied to cellular networks is usually referred to selforganizing networks sons, and it is a key driver for improving. Kohonen selforganizing feature maps tutorialspoint. Self organizing networks son is a collection of functions for automatic configuration, optimization, diagnostisation and healing of cellular networks. 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. Controlling selforganizing dynamics on networks using.
Dsouza university of california, davis, california 95616, usa received 3 may 20. Originally, self organizing networks son was added on top of the lte system as a set of features to address use cases which were defined as early as within rel8 together with the first release of the lte system. Sep 18, 2012 the self organizing map som, commonly also known as kohonen network kohonen 1982, kohonen 2001 is a computational method for the visualization and analysis of highdimensional data, especially experimentally acquired information. 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. Such competition can be inducedimplemented by having lateral inhibition connections negative feedback paths between the neurons. Benefits of selforganizing networks son for mobile operators. As a solution for this, we propose a self organizing network son concept in lteadvanced. Selfconguration in lte self organizing networks florian kreitmair advisor. 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.
As a solution for this, we propose a selforganizing network son concept in lteadvanced. Fontechs wifi son solution solves this problem, giving carriers the tools to optimize community wifi networks. In section 7 a son function to detect problems in the self optimization p rocess is outlined and section 8 shows other possible uses for sons. Son functionality and behavior has been defined and specified in generally accepted mobile industry recommendations produced by organizations such as. Kohonen s model of selforganizing networks goes to the heart of this issue. However, the exact implementation of the abs almost blank subframemechanism for eicic is left for operators. An introduction to self organizing networks son date. Takechi et al use of selforganizing networks to optimize radio access networks independently of these monitoringmaintenance systems. Control of selforganizing nonlinear systems eckehard scholl. The self organizing map som is an automatic dataanalysis method. 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.
Protocols for selforganization of a wireless sensor network. Self organizing maps are a type of artificial neural network. Selforganizing network son is a concept for automating the operation of mo bile networks. Review on self organizing networks son in lteadvanced hetnets. Kohonen self organizing feature maps suppose we have some pattern of arbitrary dimensions, however, we need them in one dimension or two dimensions. Global selforganizing networks market is expected to. Artificial neural networks which are currently used in tasks such as speech and handwriting recognition are based on learning mechanisms in the brain i. And since the self organizing approaches followed by each network operators differ greatly in different parts of their. 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 networks son for mobile operators. Adjicomloadmeasdrnccellncho 0 not activated, if supported by u2100 then 1.
Our group is interested in how we can use inspiration from these biological systems to design simple selforganizing algorithms for sensor networks, that can easily adapt to errors, changes in topology, and changes in usage. This was because of the exponential increase in the data traffic which required a change in the way the network coverage and. The most extensive applications, exemplified in this paper, can be found in the management of massive textual databases and in bioinformatics. Software, one of the segments analyzed and sized in this study, displays the potential to grow at over 10. Unlike methods like back propagation, self organizing networks are unsupervised, hence the name self organizing. 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. Kohonens model of selforganizing networks goes to the heart of this issue. Use of selforganizing networks to optimize radio access. 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.
To be more specifi c, the existing systems collect network quality data and store them in the database, which can serve. 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. This course therefore sets out to describe the concepts behind self organizing networks, including explanations of self configuration, optimization and healing. The seamless evolution was made possible by nokia siemens network. Selforganizing networks of information gathering cognitive agents ahmed m. Selforganizing networks son was introduced by the next generation mobile networks ngmn, and was subsequently standardized by 3gpp along with. The selforganizing map som is an automatic dataanalysis method. Selforganizing networks sons can help manage the severe interference in dense heterogeneous networks hetnets. This material is protected by uk and international laws. The self organizing behaviour of social animals and the self organization of simple mathematical structures both suggest that self organization should be expected in human society. In abstract mathematical models, the details of network connections, synaptic plasticity, and chemical control are ignored, and the dynamics of the activities is represented by matrixvector functions and computations. Benefits of selforganizing networks son for mobile operators article pdf available in journal of computer networks and communications 2012 september 2012. 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. Kohonen s networks are a synonym of whole group of nets which make use of self organizing, competitive type learning method.
The analysts of son selforganizing networks market report says amid growing demands for mobile broadband connectivity, mobile operators are keen. The policy networks featured in this analysis provide a prominent example of such selforganizing mechanisms that arise to cope with institutional collective action dilemmas at central heclo 1978, laumann and knoke 1987 and local levels of governance laumann and pappi 1976, bardach 1998, scholz and wang 2006. 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. Selforganizing networks sons are considered a key technology for future mobile. Selforganizing networks son is a collection of functions for automatic configuration, optimization, diagnostisation and healing of cellular networks. The main drivers are essentially to reduce capex and opex, which would otherwise increase dramatically due to increased number of. 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. June, 2012, was when a telecom operator announced that the first operator in the world was using the 4g selforganizing network japans kddi. Then the process of feature mapping would be very useful to convert the wide pattern space into a typical feature space.
One of the main new technologies in future generation networks is that of the automation of their organization. A self organizing network son is an automation technology designed to make the planning, configuration, management, optimization and healing of mobile radio access networks simpler and faster. Welldesigned and efficient son functions are able to achieve and maintain high levels of network. Selforganizing networks current features and evolution. Introduction the concept of self organizing networks son has picked up only after the transition from 3g to 4g started. These use cases express highlevel requirements for future networks and are based on the paradigm that network should selforganize and manage its. Presentation on the basics of selforganizingselfoptimizing networks son in lte. Therefore, the introduction of advanced mobile wireless networks has highlighted the need and essence for automation within the network. The 19 articles take up developments in competitive learning and computational maps, adaptive resonance theory, and specialized architectures. For obvious reasons, such a network is called a self organizing map som.
Another variation on the neural network are systems which are said to be selforganizing networks. Selforganization as applied to cellular networks is usually referred to self organizing networks sons, and it is a key driver for improving. 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. Those patterns take shape during the learning process, which is combined with normal work. Telltale signs of self organization are usually statistical properties shared with self organizing physical systems. Selforganizing procedures for cooperative signal processing and resource management are also being incorporated into the awairs microsensor network system. The result is that the neurons are forced to organise themselves.
The neurons of competitive networks learn to recognize groups of. In this paper, a general overview of self organizing networks son, and the rationale and stateoftheart of wireless son are first presented. Global selforganizing networks market revenue trend, 20122022 in usd million selforganizing networks son is a relative term for mobile network automation, which is critical for the deployment, operation and maintenance of mobile networks, cost efficiently. The selforganizing map proceedings of the ieee author. One of these subsystems is a competitive neural network that implements the winnertakeall function. Jan 04, 2017 an introduction to self organizing networks son 1. 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. Selforganizing network market by offering, type, network. In this paper we describe an architecture for self organizing wireless sensor networks 1. Son functionality and behavior has been defined and specified in generally accepted mobile industry recommendations produced by organizations such as 3gpp 3rd generation partnership. Another variation on the neural network are systems which are said to be self organizing networks. Pattern recognition by selforganizing neural networks mit.
This includes the detection of a faulty element and the diagnosis of the root problem. The use cases and accompanied son features have been gradually enhanced and added as the standard evolves over subsequent releases. Use of selforganizing networks to optimize radio access networks. Implementation of machine learning for autonomic capabilities in. Objectivedriven operations of selforganizing networks. Reinforcement learning for selforganization and power control of. Such networks can learn to detect regularities and correlations in their input and adapt their future responses to that input accordingly. Presentation on the basics of self organizing self optimizing networks son in lte. The son server exchanges data with these systems via a database. This is the reason selfhealing of selforganizing networks was introduced as a requirement for lte by 3gpp, the 3rd generation.
Any selforganization functionality depends on knowledge about the current system state. However, the selforganizing power of these early models was rather weak. Self organizing networks modern mobile communications networks tend towards end nodes. Self organizing networks sons are considered a key technology for future mobile.
Kohonens networks are a synonym of whole group of nets which make use of selforganizing, competitive type learning method. Selforganizing sensor networks selforganizing systems. Introduction rapid technological advances are being made toward developing selforganizing distributed microsensor. Son functions are responsible for automatically planning, configuring, managing, optimizing and healing a mobile network. Self organizing networks son were adopted by the third generation partnership project 3gpp and next generation mobile networks ngmn as the promising solution with a lot of potential for. The socrates selfoptimisation and selfconfiguration in wireless networks project aims at the development of selforganisation methods for lte radio networks. Tsvetko tsvetkov autonomous communication networks 20 chair for network architectures and services department of informatics, technische universitat munchen email. The most common model of soms, also known as the kohonen network, is the topology. 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. This improves the use of system capacity and increases average user throughput.
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