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  1. Yangon Technological University
  2. Department of Computer Engineering and Information Technology

An Improved Hybrid Localization Scheme for Wireless ad hoc and Sensor Networks

http://hdl.handle.net/20.500.12678/0000005205
http://hdl.handle.net/20.500.12678/0000005205
58494ee4-93e9-49c4-9fe7-a60f07a526d4
894c93d9-40c7-4303-b6ae-81779e0d28b5
Name / File License Actions
An An improved hybrid localization scheme for wireless ad hoc and sensor networks.pdf (125 Kb)
Publication type
Conference paper
Upload type
Publication
Title
Title An Improved Hybrid Localization Scheme for Wireless ad hoc and Sensor Networks
Language en
Publication date 2013-09-02
Authors
Nyein Aye Maung Maung
Makoto kawai
Description
Abstract—Localization of wireless ad hoc and sensor networks has gained research attentions for several years. This paper proposes a hybrid localization scheme which exploits Received Signal Strength (RSS)-based ranging and Self Organizing Maps (SOM)-based range free localization methods to obtain the tradeoff between cost, power and location accuracy. By utilizing RSS-based distance estimation and connectivity information of 2-hop neighbors in learning steps of SOM-based localization, the proposed scheme achieves more accurate location estimates while reducing the number of learning steps. For the RSS-based distance estimation, a thorough empirical analysis of the radio propagation model has been presented. Solution for the impact of obstacles and irregular network shapes has also been incorporated in the proposed hybrid scheme. Results from extensive simulations prove that our proposed hybrid scheme outperforms several existing localization schemes in both isotropic and anisotropic network environments.
Keywords
RSS, SOM, Localization
Conference papers
AISPIMRC
2013-09-02
24th IEEE Annual International Symposium on Personal, Indoor, and Mobile Radio Communications,
UK
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