Abstract
The adoption of UE-assisted, network controlled and hard Handover (HO) procedure in LTE-A HetNet impose several challenges. It results in tremendous increase in HO failure, frequent and unnecessary HO when compared to Homogeneous Network. To overcome these challenges, the HO procedure need to be triggered in time by proper configuration of HO control parameters in consideration with the Environmental, Network and User Equipment (UE) characteristics. Further, in literature analyzing the combined impact of all the control parameters of HO procedure remains an open issue. Hence in this work, an attempt has been made to investigate the combined impact of the control parameters such as Hysteresis Margin, A3Offset and Time-To-Trigger involved in Macro-Macro environment. The dependency of these control parameter configuration on HO performance with respect to Inter-Site Distance (ISD) between the base stations and UEs with random movement are investigated.
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