Journal Article

Effective neural network-based node localisation scheme for wireless sensor networks

Chuang, Po-Jen, Jiang, Yi-Jun

2014

Overview

Wireless sensor networks usually obtain the location of an unknown node by measuring the distance between the unknown node and its neighbouring anchors. To enhance both localisation accuracy and localisation success rates, the authors introduce a new neural network-based node localisation scheme. The new scheme is distinct because it can make the trained network model completely relevant to the topology via online training and correlated topology-trained data and therefore attain more efficient application of the neural networks and more accurate inter-node distance estimation. It is also distinct in adopting both received signal strength indication and hop counts to estimate the inter-node distances, to improve the distance estimation accuracy as well as localisation accuracy at no additional cost. Experimental evaluation is conducted to measure the performance of the proposed scheme and other artificial intelligent-based node localisation schemes. The results show that, at reasonable cost, the new scheme constantly produces higher localisation success rates and smaller localisation errors than other schemes.

• Publisher: The Institution of Engineering and Technology,Institution of Engineering and Technology,The Institution of Engineering & Technology
• Subject: Accuracy / Anchors / Applied sciences / Artificial intelligence / artificial intelligent‐based node localisation scheme / Computer science; control theory; systems / Connectionism. Neural networks / correlated topology‐trained data / Detection, estimation, filtering, equalization, prediction / distance estimation accuracy improvement / distance measurement / Exact sciences and technology / hop count / Indication / Information, signal and communications theory / internode distance estimation / localisation accuracy / localisation errors / localisation success rates / neighbouring anchors / Networks / neural nets / Neural networks / neural network‐based node localisation scheme / node location / online training / Position (location) / received signal strength indication / Remote sensors / sensor placement / Services and terminals of telecommunications / Signal and communications theory / Signal, noise / Systems, networks and services of telecommunications / telecommunication computing / telecommunication network topology / Telecommunications / Telecommunications and information theory / Telemetry. Remote supervision. Telewarning. Remote control / trained network model / Wireless networks / wireless sensor networks