2018•2018 IEEE International Conference on Applied System Invention (ICASI)Requires access
A dynamic adjustment scheme in handover thresholds for off-loading LTE small cells
Tsang‐Ling Sheu, Jhih-Yu Sie
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Abstract
This paper presents a dynamic adjustment scheme in handover thresholds (DAHT) for off-loading enhanced node basestation (eNB) in LTE (Long-Term Evaluation) small-cell networks. The proposed DAHT can distinguish whether user equipment (UE) is in static or mobile status from the strength of reference signal receiving power (RSRP). It then calculates a handover factor (HF), with which the source eNB can increase or decrease the handover thresholds of RSRP. The purpose of dynamic adjustment in handover thresholds is to advance or delay handover of a UE. Through the advanced and delayed handover, the load of an eNB can be relieved and its system performance can be improved. To demonstrate the proposed DAHT, we implement it on a Linux-based LTE small-cell platform. After the implementation, we measure the load on eNB and the residence time of UE to prove that the proposed DAHT can significantly improve the system performance.