Delay Estimation for Ranging and Localization Using Multiband Channel State Information Article Swipe
Tarik Kazaz
,
Gerard J. M. Janssen
,
Jac Romme
,
A. van Veen
·
YOU?
·
· 2021
· Open Access
·
· DOI: https://doi.org/10.1109/twc.2021.3113771
YOU?
·
· 2021
· Open Access
·
· DOI: https://doi.org/10.1109/twc.2021.3113771
In wireless networks, an essential step for precise range-based localization is the high-resolution estimation of multipath channel delays. The resolution of traditional delay estimation algorithms is inversely proportional to the bandwidth of the training signals used for channel probing. Considering that typical training signals have limited bandwidth, delay estimation using these algorithms often leads to poor localization performance. To mitigate these constraints, we exploit the multiband and carrier frequency switching capabilities of wireless transceivers and propose to acquire channel state information (CSI) in multiple bands spread over a large frequency aperture. The data model of the acquired measurements has a multiple shift-invariance structure, and we use this property to develop a high-resolution delay estimation algorithm. We derive the Cramér-Rao Bound (CRB) for the data model and perform numerical simulations of the algorithm using system parameters of the emerging IEEE 802.11be standard. Simulations show that the algorithm is asymptotically efficient and converges to the CRB. To validate modeling assumptions, we test the algorithm using channel measurements acquired in real indoor scenarios. From these results, it is seen that delays (ranges) estimated from multiband CSI with a total bandwidth of 320 MHz show an average RMSE of less than 0.3 ns (10 cm) in 90% of the cases.
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Metadata
- Type
- article
- Language
- en
- Landing Page
- https://doi.org/10.1109/twc.2021.3113771
- OA Status
- green
- Cited By
- 51
- References
- 62
- Related Works
- 10
- OpenAlex ID
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All OpenAlex metadata
Raw OpenAlex JSON
- OpenAlex ID
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https://openalex.org/W3204125990Canonical identifier for this work in OpenAlex
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https://doi.org/10.1109/twc.2021.3113771Digital Object Identifier
- Title
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Delay Estimation for Ranging and Localization Using Multiband Channel State InformationWork title
- Type
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articleOpenAlex work type
- Language
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enPrimary language
- Publication year
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2021Year of publication
- Publication date
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2021-09-30Full publication date if available
- Authors
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Tarik Kazaz, Gerard J. M. Janssen, Jac Romme, A. van VeenList of authors in order
- Landing page
-
https://doi.org/10.1109/twc.2021.3113771Publisher landing page
- Open access
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YesWhether a free full text is available
- OA status
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greenOpen access status per OpenAlex
- OA URL
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https://arxiv.org/pdf/2111.10682Direct OA link when available
- Concepts
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Multipath propagation, Ranging, Computer science, Bandwidth (computing), Algorithm, Channel state information, Channel (broadcasting), Delay spread, Wireless, Cramér–Rao bound, Real-time computing, Estimation theory, TelecommunicationsTop concepts (fields/topics) attached by OpenAlex
- Cited by
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51Total citation count in OpenAlex
- Citations by year (recent)
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2025: 12, 2024: 21, 2023: 11, 2022: 7Per-year citation counts (last 5 years)
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62Number of works referenced by this work
- Related works (count)
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10Other works algorithmically related by OpenAlex
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| publication_date | 2021-09-30 |
| publication_year | 2021 |
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