The accuracy of time-based hybrid localization technique in heterogenous wireless network

Sabariah Bohanudin, Mahamod Ismail, Mardina Abdullah

Research output: Contribution to journalArticle

Abstract

Localization of mobile users is very important feature that has been studied in location-based service (LBS). The accuracy of the estimation of mobile user’s position through wireless communication services is the main issue especially in the case of emergency. The main goal of this work is to analyze the accuracy of Hybrid Localization Determination Technique (HLDT) based on Time Difference of Arrival (TDOA) and Time of Arrival (TOA) in localizing of the mobile user which is located in the vicinity of area with the availability of heterogeneous network that consist of GSM, Wideband Code Division Multiple Access (WCDMA), WiMAX and Long Term Evolution (LTE) system. This localization method was chosen as the user equipment (UE) often experiences enough hearability for the trilateration method in urban area. Several drive tests have been observed in urban area sample from Shah Alam to Kuala Lumpur, Malaysia. Data from drive test of Received Signal Code Power (RSCP) of Node Bs have been used to simulate by using the simulation model with fixed input parameters. Then we proceed with analyze the data to gain the estimation of the localization by using time-based HLDT method. The accuracy of location estimation of mobile user has been observed and it resulted that at 67% and 95% of CDF plot shows the performance of localization with improving and fulfill the requirements of E911.

Original languageEnglish
Pages (from-to)35-42
Number of pages8
JournalJournal of Theoretical and Applied Information Technology
Volume73
Issue number1
Publication statusPublished - 10 Mar 2015

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Wireless Networks
Wireless networks
Location based services
Long Term Evolution (LTE)
Heterogeneous networks
Urban Areas
Global system for mobile communications
Code division multiple access
Availability
Location Estimation
WiMAX
Time of Arrival
Malaysia
Evolution System
Communication
Heterogeneous Networks
Code Division multiple Access
Wireless Communication
Emergency
Simulation Model

Keywords

  • Hearability
  • Heterogeneous network
  • Hybrid LDT
  • Location based service
  • Location error

ASJC Scopus subject areas

  • Computer Science(all)
  • Theoretical Computer Science

Cite this

The accuracy of time-based hybrid localization technique in heterogenous wireless network. / Bohanudin, Sabariah; Ismail, Mahamod; Abdullah, Mardina.

In: Journal of Theoretical and Applied Information Technology, Vol. 73, No. 1, 10.03.2015, p. 35-42.

Research output: Contribution to journalArticle

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