Joint Ranging and Clock Synchronization for Dense Heterogeneous IoT Networks Article Swipe
Tarik Kazaz
,
Mario Coutiño
,
Gerard J. M. Janssen
,
Geert Leus
,
A. van Veen
·
YOU?
·
· 2018
· Open Access
·
· DOI: https://doi.org/10.48550/arxiv.1812.01221
YOU?
·
· 2018
· Open Access
·
· DOI: https://doi.org/10.48550/arxiv.1812.01221
Synchronization and ranging in internet of things (IoT) networks are challenging due to the narrowband nature of signals used for communication between IoT nodes. Recently, several estimators for range estimation using phase difference of arrival (PDoA) measurements of narrowband signals have been proposed. However, these estimators are based on data models which do not consider the impact of clock-skew on the range estimation. In this paper, clock-skew and range estimation are studied under a unified framework. We derive a novel and precise data model for PDoA measurements which incorporates the unknown clock-skew effects. We then formulate joint estimation of the clock-skew and range as a two-dimensional (2-D) frequency estimation problem of a single complex sinusoid. Furthermore, we propose: (i) a two-way communication protocol for collecting PDoA measurements and (ii) a weighted least squares (WLS) algorithm for joint estimation of clock-skew and range leveraging the shift invariance property of the measurement data. Finally, through numerical experiments, the performance of the proposed protocol and estimator is compared against the Cramer Rao lower bound demonstrating that the proposed estimator is asymptotically efficient.
Related Topics
Concepts
Estimator
Clock skew
Ranging
Computer science
Skew
Synchronization (alternating current)
Narrowband
Clock synchronization
Cramér–Rao bound
Time of arrival
Range (aeronautics)
Algorithm
Estimation theory
Mathematics
Telecommunications
Clock signal
Channel (broadcasting)
Engineering
Statistics
Aerospace engineering
Jitter
Metadata
- Type
- preprint
- Language
- en
- Landing Page
- http://arxiv.org/abs/1812.01221
- https://arxiv.org/pdf/1812.01221
- OA Status
- green
- References
- 21
- Related Works
- 20
- OpenAlex ID
- https://openalex.org/W2949956315
All OpenAlex metadata
Raw OpenAlex JSON
- OpenAlex ID
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https://openalex.org/W2949956315Canonical identifier for this work in OpenAlex
- DOI
-
https://doi.org/10.48550/arxiv.1812.01221Digital Object Identifier
- Title
-
Joint Ranging and Clock Synchronization for Dense Heterogeneous IoT NetworksWork title
- Type
-
preprintOpenAlex work type
- Language
-
enPrimary language
- Publication year
-
2018Year of publication
- Publication date
-
2018-12-04Full publication date if available
- Authors
-
Tarik Kazaz, Mario Coutiño, Gerard J. M. Janssen, Geert Leus, A. van VeenList of authors in order
- Landing page
-
https://arxiv.org/abs/1812.01221Publisher landing page
- PDF URL
-
https://arxiv.org/pdf/1812.01221Direct link to full text PDF
- Open access
-
YesWhether a free full text is available
- OA status
-
greenOpen access status per OpenAlex
- OA URL
-
https://arxiv.org/pdf/1812.01221Direct OA link when available
- Concepts
-
Estimator, Clock skew, Ranging, Computer science, Skew, Synchronization (alternating current), Narrowband, Clock synchronization, Cramér–Rao bound, Time of arrival, Range (aeronautics), Algorithm, Estimation theory, Mathematics, Telecommunications, Clock signal, Channel (broadcasting), Engineering, Statistics, Aerospace engineering, JitterTop concepts (fields/topics) attached by OpenAlex
- Cited by
-
0Total citation count in OpenAlex
- References (count)
-
21Number of works referenced by this work
- Related works (count)
-
20Other works algorithmically related by OpenAlex
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