On the Traffic Offloading in Wi-Fi Supported Heterogeneous Wireless Networks

Ali Rıza Ekti, Muhammad Zeeshan Shakir, Erchin Serpedin, Khalid Qaraqe, Muhammad A. Imran

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

Heterogeneous small cell networks (HetSNet) comprise several low power, low cost (SBSa), (D2D) enabled links wireless-fidelity (Wi-Fi) access points (APs) to support the existing macrocell infrastructure, decrease over the air signaling and energy consumption, and increase network capacity, data rate and coverage. This paper presents an active user dependent path loss (PL) based traffic offloading (TO) strategy for HetSNets and a comparative study on two techniques to offload the traffic from macrocell to (SBSs) for indoor environments: PL and signal-to-interference ratio (SIR) based strategies. To quantify the improvements, the PL based strategy against the SIR based strategy is compared while considering various macrocell and (SBS) coverage areas and traffic–types. On the other hand, offloading in a dense urban setting may result in overcrowding the (SBSs). Therefore, hybrid traffic–type driven offloading technologies such as (WiFi) and (D2D) were proposed to en route the delay tolerant applications through (WiFi) (APs) and (D2D) links. It is necessary to illustrate the impact of daily user traffic profile, (SBSs) access schemes and traffic–type while deciding how much of the traffic should be offloaded to (SBSs). In this context, (AUPF) is introduced to account for the population of active small cells which depends on the variable traffic load due to the active users.

Original languageEnglish
Pages (from-to)225-240
Number of pages16
JournalJournal of Signal Processing Systems
Volume83
Issue number2
DOIs
Publication statusPublished - 1 May 2016

Fingerprint

Heterogeneous Wireless Networks
Heterogeneous networks
Telecommunication traffic
Fidelity
Wireless networks
Path Loss
Traffic
Wi-Fi
Coverage
Interference
Telecommunication links
Energy utilization
Cells
Cell
Comparative Study
Energy Consumption
Air
Quantify
Infrastructure
Costs

Keywords

  • Active user population factor
  • and Path loss
  • Heterogeneous networks
  • Small cells
  • Traffic offloading
  • WiGig
  • Wi–Fi
  • Wi–Fi Direct

ASJC Scopus subject areas

  • Control and Systems Engineering
  • Modelling and Simulation
  • Hardware and Architecture
  • Information Systems
  • Signal Processing
  • Theoretical Computer Science

Cite this

On the Traffic Offloading in Wi-Fi Supported Heterogeneous Wireless Networks. / Ekti, Ali Rıza; Shakir, Muhammad Zeeshan; Serpedin, Erchin; Qaraqe, Khalid; Imran, Muhammad A.

In: Journal of Signal Processing Systems, Vol. 83, No. 2, 01.05.2016, p. 225-240.

Research output: Contribution to journalArticle

Ekti, Ali Rıza ; Shakir, Muhammad Zeeshan ; Serpedin, Erchin ; Qaraqe, Khalid ; Imran, Muhammad A. / On the Traffic Offloading in Wi-Fi Supported Heterogeneous Wireless Networks. In: Journal of Signal Processing Systems. 2016 ; Vol. 83, No. 2. pp. 225-240.
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