Weighted Performance Based Handover Parameter Optimization in LTE

Handover parameter optimization is a self-optimizing network (SON) use case that promises significant performance improvement of the radio network. The basic idea is to adapt the handover control parameters, hysteresis and time-to-trigger, to the individual cell situation, in terms of e.g. the build...

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Bibliographic Details
Main Authors: Jansen, T., Balan, I., Stefanski, S., Moerman, I., Kurner, T.
Format: Conference Proceeding
Language:English
Subjects:
Hysteresis
Layout
Measurement
Optimized production technology
Radio link
Simulation
Online Access:Request full text
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Description
Summary:Handover parameter optimization is a self-optimizing network (SON) use case that promises significant performance improvement of the radio network. The basic idea is to adapt the handover control parameters, hysteresis and time-to-trigger, to the individual cell situation, in terms of e.g. the building density, cell environment and degree of user mobility. The aim is to reduce the number of handover failures, ping-pong handovers and radio link failures. We propose an handover parameter optimization algorithm that tunes the hysteresis and time-to-trigger in iterative steps and show the system performance improvement with it in both a realistic and a hexagonal simulation scenario.
ISSN:1550-2252
DOI:10.1109/VETECS.2011.5956572