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Node Localization in Ad-hoc Networks

Node Localization in Ad-hoc Networks
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Author(s): Zhonghai Wang (Michigan Tech University, USA) and Seyed (Reza) Zekavat (Michigan Tech University, USA)
Copyright: 2011
Pages: 21
Source title: Handbook of Research on Mobility and Computing: Evolving Technologies and Ubiquitous Impacts
Source Author(s)/Editor(s): Maria Manuela Cruz-Cunha (Polytechnic Institute of Cavado and Ave, Portugal) and Fernando Moreira (Portucalense University, Portugal)
DOI: 10.4018/978-1-60960-042-6.ch008

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Abstract

This chapter introduces node localization techniques in ad-hoc networks including received signal strength (RSS), time-of-arrival (TOA) and direction-of-arrival (DOA). Wireless channels in ad-hoc networks can be categorized as LOS and NLOS. In LOS channels, the majority of localization techniques perform properly. However, in NLOS channels, the performance of these techniques reduces. Therefore, non-line-of-sight (NLOS) identification and mitigation techniques, and localization techniques for NLOS scenarios are briefly reviewed.

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