Channel Estimation in mmWave Hybrid MIMO System via Off-Grid Dirichlet Kernels Article Swipe
Chethan Kumar Anjinappa
,
You Zhou
,
Yavuz Yapıcı
,
Dror Baron
,
İsmail Güvenç
·
YOU?
·
· 2019
· Open Access
·
· DOI: https://doi.org/10.1109/globecom38437.2019.9013906
YOU?
·
· 2019
· Open Access
·
· DOI: https://doi.org/10.1109/globecom38437.2019.9013906
In this paper, we tackle channel estimation in millimeter-wave hybrid multiple-input multiple-output systems by considering off-grid effects. In particular, we assume that spatial parameters can take any value in the angular domain, and need not fall on predefined discretized angles. Instead of increasing the number of discretized points to combat off-grid effects, we use implicit Dirichlet kernel structure in the Fourier domain, which conventional compressed sensing methods do not use. We propose greedy low-complexity algorithms based on orthogonal matching pursuit (OMP); our core idea is to traverse the Dirichlet kernel peak using estimates of the discrete Fourier transform. We demonstrate the efficacy of our proposed algorithms compared to standard OMP reconstruction. Numerical results show that our proposed algorithms obtain smaller reconstruction errors when off-grid effects are accounted for.
Related Topics
Concepts
Matching pursuit
Discretization
Algorithm
Grid
Computer science
Traverse
Compressed sensing
Kernel (algebra)
Discrete Fourier transform (general)
Channel (broadcasting)
Fourier transform
Mathematical optimization
Mathematics
Short-time Fourier transform
Telecommunications
Geometry
Fourier analysis
Mathematical analysis
Combinatorics
Geodesy
Geography
Metadata
- Type
- preprint
- Language
- en
- Landing Page
- https://doi.org/10.1109/globecom38437.2019.9013906
- OA Status
- green
- References
- 18
- Related Works
- 20
- OpenAlex ID
- https://openalex.org/W2957141087
All OpenAlex metadata
Raw OpenAlex JSON
- OpenAlex ID
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https://openalex.org/W2957141087Canonical identifier for this work in OpenAlex
- DOI
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https://doi.org/10.1109/globecom38437.2019.9013906Digital Object Identifier
- Title
-
Channel Estimation in mmWave Hybrid MIMO System via Off-Grid Dirichlet KernelsWork title
- Type
-
preprintOpenAlex work type
- Language
-
enPrimary language
- Publication year
-
2019Year of publication
- Publication date
-
2019-12-01Full publication date if available
- Authors
-
Chethan Kumar Anjinappa, You Zhou, Yavuz Yapıcı, Dror Baron, İsmail GüvençList of authors in order
- Landing page
-
https://doi.org/10.1109/globecom38437.2019.9013906Publisher landing page
- Open access
-
YesWhether a free full text is available
- OA status
-
greenOpen access status per OpenAlex
- OA URL
-
https://arxiv.org/pdf/1907.04427Direct OA link when available
- Concepts
-
Matching pursuit, Discretization, Algorithm, Grid, Computer science, Traverse, Compressed sensing, Kernel (algebra), Discrete Fourier transform (general), Channel (broadcasting), Fourier transform, Mathematical optimization, Mathematics, Short-time Fourier transform, Telecommunications, Geometry, Fourier analysis, Mathematical analysis, Combinatorics, Geodesy, GeographyTop concepts (fields/topics) attached by OpenAlex
- Cited by
-
0Total citation count in OpenAlex
- References (count)
-
18Number of works referenced by this work
- Related works (count)
-
20Other works algorithmically related by OpenAlex
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