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CRLB Analysis of Time Delay Based Location Estimation for UWB Cooperative Relay Networks in Multipath Environments

Authors:

Hasari CelebiAuthors Info & Claims

MEDES '14: Proceedings of the 6th International Conference on Management of Emergent Digital EcoSystems

Pages 146 - 151

https://doi.org/10.1145/2668260.2668274

Published: 15 September 2014 Publication History

Abstract

Localization of the nodes in wireless networks is crucial for supporting the location-based services (LBSs). In this study, we investigate the fundamental limits for time delay based location estimation in amplify-and-forward (AF) cooperative relay networks considering multipath environment. The limits are presented by obtaining Cramer-Rao Lower Bounds (CRLBs) expressions. Simulations are performed to verify the CRLB expressions and show the effects of node topology of the network, number of relay nodes, and number of multipath components (MPCs) on the location estimation of source node. According to the results, the placement of the relay nodes is very important to lower the location estimation error. Furthermore, using more relay nodes decreases the location estimation error, dramatically. Finally, processing more MPCs at the destination node is crucial to improve the estimation accuracy for both relaying strategy.

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Cited By

Celik GCelebi H(2015)G-CRLB analysis of time delay based localization for decode-and-forward cooperative relay networks in multipath environments2015 International Wireless Communications and Mobile Computing Conference (IWCMC)10.1109/IWCMC.2015.7289126(454-459)Online publication date: Aug-2015
https://doi.org/10.1109/IWCMC.2015.7289126

Index Terms

CRLB Analysis of Time Delay Based Location Estimation for UWB Cooperative Relay Networks in Multipath Environments

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cover image ACM Other conferences

MEDES '14: Proceedings of the 6th International Conference on Management of Emergent Digital EcoSystems

September 2014

225 pages

ISBN:9781450327671

DOI:10.1145/2668260

Conference Chairs:
Obaid Al Motairy
Qassim University, KSA
,
Richard Chbeir
University of Pau and Adour Countries, France
,
Mohammed Alodib
Qassim University, KSA
,
Lamri Laouamer
Qassim University, KSA
,
Youakim Badr
INSA De Lyon, France
,
Program Chairs:
Morad Benyoucef
University of Ottawa, Canada
,
Saad Harous
United Arab Emirates University
,
Ismail Biskri

Copyright © 2014 ACM.

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Published: 15 September 2014

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MEDES '14: The 6th International Conference on Management of Emergent Digital EcoSystems

September 15 - 17, 2014

Al Qassim, Buraidah, Saudi Arabia

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Cited By

Celik GCelebi H(2015)G-CRLB analysis of time delay based localization for decode-and-forward cooperative relay networks in multipath environments2015 International Wireless Communications and Mobile Computing Conference (IWCMC)10.1109/IWCMC.2015.7289126(454-459)Online publication date: Aug-2015
https://doi.org/10.1109/IWCMC.2015.7289126

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