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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Gelabert, X. Sayrac, B. Ben Jemaa, S. |
| Copyright Year | 1967 |
| Abstract | A self-organizing network (SON) is effectively realized by means of specific SON mechanisms (SONm), which relate to particular SON use cases (SONuc), these being defined by the Third-Generation Partnership Project (3GPP) and Next Generation Mobile Networks (NGMN). Typically, SONuc are grouped into self-configuration, self-optimization, and self-healing functions. Focusing on self-optimization, SONm therein aim at maintaining relevant key performance indicators (KPIs) above/below a specific target by actuating over an appropriate set of input parameters to achieve predefined network objectives. Typically, this problem is represented by several control loops where controllable input parameters are dynamically adjusted according to output measurable metrics and their corresponding target requirements. From an implementation viewpoint, the concept of a single SON “black box,” integrating multiple SONm, is very appealing. However, this approach may threaten the control that network operators (NOPs) have over their own network. As a result, a coordinated framework involving stand-alone SONm is proposed. Here, a SON controller (SONc) may be implemented responding to strategies, deciding at a given time which SONm actions have higher priority with respect to others. In the context of a heterogeneous network (HetNet) scenario, we propose and develop a simplified framework where stand-alone SONm react to either overshot or undershot KPI events by deciding to either increase or decrease corresponding influential parameter(s). By inspecting the arising interactions and possible conflicts between several SONm, we provide, for a specific evaluation scenario, a heuristic strategy-based solution for SON coordination, which may eventually trade off high-level NOP goals. |
| Sponsorship | IEEE Vehicular Technology Society |
| Starting Page | 1320 |
| Ending Page | 1334 |
| Page Count | 15 |
| File Size | 1680511 |
| File Format | |
| ISSN | 00189545 |
| Volume Number | 63 |
| Issue Number | 3 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2014-01-01 |
| Publisher Place | U.S.A. |
| Access Restriction | One Nation One Subscription (ONOS) |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Measurement Context Quality of service Optimization Rats Long Term Evolution self-organizing networks (SONs) Heterogeneous networks (HetNets) performance evaluation |
| Content Type | Text |
| Resource Type | Article |
| Subject | Applied Mathematics Automotive Engineering Computer Networks and Communications Electrical and Electronic Engineering Aerospace Engineering |
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