Enhanced Cell Range Expansion and Radio Resource Allocation for a Better Traffic Offloading in HetNets
作者: Emna FakhfakhSoumaya HamoudaSami Tabbane
作者单位: 1Communication Engineering School (Sup’Com)
刊名: Wireless Personal Communications, 2015, Vol.83 (4), pp.2539-2560
来源数据库: Springer Journal
DOI: 10.1007/s11277-015-2554-4
关键词: HetNetCell range expansionTDM-eICICFemtocellEnergy efficiency
英文摘要: Abstract(#br)Cell range expansion (CRE) is a promising solution to offload macrocells’ traffic and improve the radio capacity in heterogeneous network (HetNet). On the other hand, enhanced inter-cell interference coordination (eICIC) techniques are introduced in HetNets to mitigate the severe interference caused between the small cells and the macrocell. In this paper, we present a novel application of the CRE coupled with a new time and frequency domain based eICIC technique. Our approach offers a dynamic radio resource allocation scheme which takes into account the number of femtocells inside the macrocell, the femtocells’ loads and the macrocell load. First, we propose a so called FT-CRE scheme which alternates the transmission of the macrocell and the femtocells offering high traffic...
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影响因子:0.428 (2012)