Expanding cellular coverage via cell-edge deployment in heterogeneous networks: Spectral efficiency and backhaul power consumption perspectives

Yusuf A. Sambo, Muhammad Z. Shakir, Khalid Qaraqe, Erchin Serpedin, Muhammad A. Imran

Research output: Contribution to journalArticle

25 Citations (Scopus)

Abstract

Heterogeneous small-cell networks (HetNets) are considered to be a standard part of future mobile networks where operator/consumer deployed small-cells, such as femtocells, relays, and distributed antennas (DAs), complement the existing macrocell infrastructure. This article proposes the need-oriented deployment of smallcells and device-to-device (D2D) communication around the edge of the macrocell such that the small-cell base stations (SBSs) and D2D communication serve the cell-edge mobile users, thereby expanding the network coverage and capacity. In this context, we present competitive network configurations, namely, femto-on-edge, DA-onedge, relay-on-edge, and D2D-communication on- edge, where femto base stations, DA elements, relay base stations, and D2D communication, respectively, are deployed around the edge of the macrocell. The proposed deployments ensure performance gains in the network in terms of spectral efficiency and power consumption by facilitating the cell-edge mobile users with small-cells and D2D communication. In order to calibrate the impact of power consumption on system performance and network topology, this article discusses the detailed breakdown of the end-to-end power consumption, which includes backhaul, access, and aggregation network power consumptions. Several comparative simulation results quantify the improvements in spectral efficiency and power consumption of the D2D-communication-onedge configuration to establish a greener network over the other competitive configurations.

Original languageEnglish
Article number6829956
Pages (from-to)140-149
Number of pages10
JournalIEEE Communications Magazine
Volume52
Issue number6
DOIs
Publication statusPublished - 2014

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Heterogeneous networks
Electric power utilization
Communication
Base stations
Antennas
Femtocell
Wireless networks
Agglomeration
Topology

ASJC Scopus subject areas

  • Computer Science Applications
  • Computer Networks and Communications
  • Electrical and Electronic Engineering

Cite this

Expanding cellular coverage via cell-edge deployment in heterogeneous networks : Spectral efficiency and backhaul power consumption perspectives. / Sambo, Yusuf A.; Shakir, Muhammad Z.; Qaraqe, Khalid; Serpedin, Erchin; Imran, Muhammad A.

In: IEEE Communications Magazine, Vol. 52, No. 6, 6829956, 2014, p. 140-149.

Research output: Contribution to journalArticle

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