A Dynamic Hysteresis-Adjusting Algorithm in LTE Self-Organization Networks

Provided by: Institute of Electrical & Electronic Engineers
Topic: Mobility
Format: PDF
Handover Parameter Optimization (HPO) and Load Balancing (LB) are two Self-Organization Network (SON) aspects which aim at improving LTE system handover performance and user's satisfaction respectively. However, there is often counteraction between LB and HPO, because LB would increase the frequency of inter-cell handover and correspondingly increase the possibility of handover problems. Furthermore, most of the LB and HPO jointly optimization methods don't consider the network allowed maximum Radio Link Failure (RLF) ratio, which would increase the possibility of call dropping although the cell loading is balanced.

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