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

Ekti, AR, Shakir, MZ, Serpedin, E, Qaraqe, KA and Imran, MA (2016) On the Traffic Offloading in Wi-Fi Supported Heterogeneous Wireless Networks Journal of Signal Processing Systems, 83 (2). pp. 225-240.

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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.

Item Type: Article
Subjects : Electronic Engineering
Divisions : Faculty of Engineering and Physical Sciences > Electronic Engineering
Authors :
AuthorsEmailORCID
Ekti, ARUNSPECIFIEDUNSPECIFIED
Shakir, MZUNSPECIFIEDUNSPECIFIED
Serpedin, EUNSPECIFIEDUNSPECIFIED
Qaraqe, KAUNSPECIFIEDUNSPECIFIED
Imran, MAUNSPECIFIEDUNSPECIFIED
Date : 1 May 2016
Identification Number : 10.1007/s11265-015-1064-7
Uncontrolled Keywords : Science & Technology, Technology, Computer Science, Information Systems, Engineering, Electrical & Electronic, Computer Science, Engineering, Heterogeneous networks, Small cells, Wi-Fi, WiGig, Wi-Fi Direct, Traffic offloading, Active user population factor, Path loss, RADIO ACCESS NETWORKS, CELLULAR NETWORKS, TECHNOLOGIES, 5G
Related URLs :
Depositing User : Symplectic Elements
Date Deposited : 17 Jun 2016 07:11
Last Modified : 17 Jun 2016 07:11
URI: http://epubs.surrey.ac.uk/id/eprint/811020

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