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Mobility Load Balancing over Intra-frequency Heterogeneous Networks Using Handover Adaptation

  • Hana JouiniEmail author
  • Mohamed Escheikh
  • Kamel Barkaoui
  • Tahar Ezzedine
Conference paper
Part of the Lecture Notes in Computer Science book series (LNCS, volume 10466)

Abstract

Heterogeneous Networks (HetNet) present a straightforward and effective key factor for enhancing performance of next generation cellular networks. Since outdoor macro-cells are often likely to be affected by heavy loaded situations, a major issue in HetNet planning is to ensure that small-cells actually serve enough user equipments (UE). A scenario to consider is the traffic offloading from macro-cells to small-cells. The concept of Mobility Load Balancing (MLB) which had arisen with the 3rd Generation Partnership Project (3GPP) Release 8 [1, 2] to maximize the whole capacity of the system by optimally distributing traffic among neighbouring cells, may play a key role in such a situation. In this paper, we present a review of MLB algorithms proposed in the literature and designed for HetNets by classifying these algorithms based on the UE state (i.e. UE in idle or connected mode). In fact the adopted MLB technique is closely related to the mode of the UE (idle or connected mode). We also present a technique for MLB based on optimizing handover (HO) by adapting hysteresis values based on cells’ loads.

Keywords

HetNet Mobility load balancing Connected mode Hysteresis Handover 

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Copyright information

© Springer International Publishing AG 2017

Authors and Affiliations

  • Hana Jouini
    • 1
    • 2
    Email author
  • Mohamed Escheikh
    • 1
  • Kamel Barkaoui
    • 1
    • 2
  • Tahar Ezzedine
    • 1
  1. 1.Communications Systems Laboratory (SysCom), National Enginneering School of Tunis (ENIT)University of Tunis El Manar (UTM)Tunis Le BelvédèreTunisia
  2. 2.Conservatoire National des Arts et Métiers, Ecole SITI - Département Informatique Lab. Cedric VespaParis Cedex 03France

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