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This article investigates mobility load balancing (MLB) algorithm implementation through network simulator (ns-3) in long term evolution (LTE) systems employing orthogonal frequency division multiple access (OFDMA) for downlink (DL) data transmission. MLB is introduced by the third generation partnership project (3GPP) as a key target of LTE self-organizing networks (SONs) [1]. Our contribution is twofold. First, we implemented elementary procedures (EPs) related to load management (LM) function of the X2-application protocol (X2AP) as specified in TS 136.423 [2]. We particularly focused on EPs

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