Localization via ultra-wideband radios: A look at positioning aspects of future sensor networks

Sinan Gezici; Zhi Tian; Georgios B. Giannakis; Hisashi Kobayashi; Andreas F. Molisch; H. Vincent Poor; Zafer Sahinoglu

doi:10.1109/MSP.2005.1458289

Localization via ultra-wideband radios: A look at positioning aspects of future sensor networks

Sinan Gezici, Zhi Tian, Georgios B. Giannakis, Hisashi Kobayashi, Andreas F. Molisch, H. Vincent Poor, Zafer Sahinoglu

Research output: Contribution to journal › Article › peer-review

1825 Scopus citations

Abstract

Ultra-wideband (UWB) technology provides an excellent means for wireless positioning due to its high resolution capability in the time domain. Its usability to resolve multipath components makes it possible to obtain accurate location estimates without the need for complex estimation algorithms. This precise location estimation capability facilitates many applications such as medical monitoring, security, and asset tracking. This paper discusses the theoretical limits of TOA estimation and TOA-based location estimation for UWB systems. Due to the complexity of the optimal schemes, suboptimal but practical alternatives are emphasized. Performance limits for hybrid TOA/SS and TDOA/SS schemes are also considered.

Original language	English (US)
Pages (from-to)	70-84
Number of pages	15
Journal	IEEE Signal Processing Magazine
Volume	22
Issue number	4
DOIs	https://doi.org/10.1109/MSP.2005.1458289
State	Published - Jul 2005
Externally published	Yes

Bibliographical note

Funding Information:
The work of S. Gezici, H. Kobayashi, and H.V. Poor was supported in part by the National Science Foundation under Grant CCR-02-05214 and in part by the Army Research Laboratory under contract DAAD 19-01-2-0011. Z. Tian was supported by NSF Grants CCR-0238174 and ECS-0427430. G.B. Giannakis was supported by ARL/CTA Grant DAAD19-01-2-011 and NSF Grant EIA-0324864.

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title = "Localization via ultra-wideband radios: A look at positioning aspects of future sensor networks",

abstract = "Ultra-wideband (UWB) technology provides an excellent means for wireless positioning due to its high resolution capability in the time domain. Its usability to resolve multipath components makes it possible to obtain accurate location estimates without the need for complex estimation algorithms. This precise location estimation capability facilitates many applications such as medical monitoring, security, and asset tracking. This paper discusses the theoretical limits of TOA estimation and TOA-based location estimation for UWB systems. Due to the complexity of the optimal schemes, suboptimal but practical alternatives are emphasized. Performance limits for hybrid TOA/SS and TDOA/SS schemes are also considered.",

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AU - Molisch, Andreas F.

AU - Poor, H. Vincent

AU - Sahinoglu, Zafer

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Localization via ultra-wideband radios: A look at positioning aspects of future sensor networks

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