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Peer-to-Peer Networking and Applications

, Volume 9, Issue 6, pp 991–1004 | Cite as

Adaptive RSSI-based localization scheme for wireless sensor networks

  • Wail MardiniEmail author
  • Yaser Khamayseh
  • Abdalrhman Abdalkareem Almodawar
  • Ehab Elmallah
Article

Abstract

Range of applications for Wireless Sensor Networks (WSNs) is increasing rapidly. One class of such applications is Energy-Aware Wireless Positioning Systems for situation awareness. Localization deals with determining a target node’s position in WSN by analyzing signals exchanged between nodes. Received Signal Strength Indicator (RSSI) represents the ratio between received signal power and a reference power, and is typically used to estimate distances between nodes. RSSI distance estimations are affected by many factors. This paper aims to enhance the accuracy of RSSI-based localization techniques in ZigBee Networks through studying the communication channel status between two nodes. As the network nodes are exposed to high noise levels, position estimation accuracy deteriorates. A novel adaptive localization scheme is proposed; Two-State Markov model with moving average is employed to detect unpredictable RSSI readings that may reflect badly on the estimation. The proposed scheme achieves better estimation accuracy, for example, the estimation error was reduced from 11.7 m to just 3 m using the proposed scheme.

Keywords

Wireless sensor networks Localization Received signal strength indicator ZigBee networks Markov model Moving average Distance estimation 

Notes

Compliance with ethical standards

The authors of this paper would like to certify that this manuscript has not been submitted to more than one journal for simultaneous consideration. Moreover, this manuscript has not been published previously (partly or in full) and this study was not split up into several parts to increase the quantity of submissions and was not submitted to various journals or to one journal over time.

Also, we certify that no data have been fabricated or manipulated (including images) to support our conclusions, and no data, text, or theories by others are presented as if they were ours.

Conflict of interest

The authors declare that they have no conflict of interest of any kind in this paper.

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Copyright information

© Springer Science+Business Media New York 2015

Authors and Affiliations

  • Wail Mardini
    • 1
    Email author
  • Yaser Khamayseh
    • 1
  • Abdalrhman Abdalkareem Almodawar
    • 1
  • Ehab Elmallah
    • 2
  1. 1.Department of Computer ScienceJordan University of Science and TechnologyIrbidJordan
  2. 2.Department of Computer ScienceUniversity of AlbertaEdmontonCanada

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