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Integrated self-management for future radio access networks: Vision and key challenges

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Author: Eisenblätter, A. · Conzalez Rodríguez, B. · Gunnarsson, F. · Kürner, T. · Litjens, R. · Sas, B. · Sayrac, B. · Schmelz, L.C. · Willcock, C.
Type:article
Date:2013
Publisher: IEEE
Place: Piscataway,NJ
Source:2013 Future Network and Mobile Summit, FutureNetworkSummit 2013, 3 July 2013 through 5 July 2013, Lisbon
Identifier: 485662
Article number: 6633567
Keywords: Informatics · 3G · LTE · Multi-layer · Multi-RAT · Radio access networks · Self-management · Self-optimisation · WiFi · Artificial intelligence · Complex networks · Decision support systems · Wireless telecommunication systems · Infrastructures · Information Society · Communication & Information · PNS - Performance of Networks & Services · TS - Technical Sciences

Abstract

Future radio access networks will require new self-management solutions to handle the increasing operational complexity caused by multi-technology and multi-layer deployments. Current networks already include stand-alone SON (Self-Organizing Networks) solutions, but these are not sufficient to properly handle the networks of tomorrow. In this paper, we highlight the key challenges for such self-management solutions based on our research and extensive feedback from several major operators. Based on these challenges we present a set of relevant use cases to validate future solutions and discuss our vision for a unified management framework, which integrates the existing and future advanced SON functions across several radio access technologies. It comprises (i) an integrated SON management system, in charge of policy transformation/supervision and conflict detection/handling; (ii) advanced multi-RAT/layer SON functions; and (iii) a Decision Support System providing measurement-based assistance for residual operational tasks, such as timely recommendations for targeted new site deployments. © 2013 Authors.