Performance optimization and parameters estimation for MIMO-OFDM dual-functional communication-radar systems Article Swipe
Zhong Chen
,
Mengting Lou
,
Chunrong Gu
,
Lan Tang
,
Yechao Bai
·
YOU?
·
· 2023
· Open Access
·
· DOI: https://doi.org/10.1016/j.dcan.2023.12.006
YOU?
·
· 2023
· Open Access
·
· DOI: https://doi.org/10.1016/j.dcan.2023.12.006
Dual-function communication radar systems use common Radio Frequency (RF) signals are used for both communication and detection. For better compatibility with existing communication systems, we adopt Multiple-Input Multiple-Output (MIMO) Orthogonal Frequency Division Multiplexing (OFDM) signals as integrated signals and investigate the estimation performance of MIMO-OFDM signals. First, we analyze the Cramer-Rao Lower Bound (CRLB) of parameter estimation. Then, the transmit powers over different subcarriers are optimized to achieve the best tradeoff between the transmission rate and the estimation performance. Finally, we propose a more accurate estimation method that uses Canonical Polyadic Decomposition (CPD) of the third-order tensor to obtain the parameter matrices. Due to the characteristic of the column structure of the parameter matrices, we only need to use DFT / IDFT to recover the parameters of multiple targets. The simulation results show that tensor-based estimation method can achieve a performance close to CRLB, and the estimation performance can be improved by optimizing the transmit powers.
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- Type
- article
- Language
- en
- Landing Page
- https://doi.org/10.1016/j.dcan.2023.12.006
- OA Status
- diamond
- Cited By
- 10
- References
- 36
- Related Works
- 10
- OpenAlex ID
- https://openalex.org/W4390401739
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Raw OpenAlex JSON
- OpenAlex ID
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https://openalex.org/W4390401739Canonical identifier for this work in OpenAlex
- DOI
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https://doi.org/10.1016/j.dcan.2023.12.006Digital Object Identifier
- Title
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Performance optimization and parameters estimation for MIMO-OFDM dual-functional communication-radar systemsWork title
- Type
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articleOpenAlex work type
- Language
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enPrimary language
- Publication year
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2023Year of publication
- Publication date
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2023-12-29Full publication date if available
- Authors
-
Zhong Chen, Mengting Lou, Chunrong Gu, Lan Tang, Yechao BaiList of authors in order
- Landing page
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https://doi.org/10.1016/j.dcan.2023.12.006Publisher landing page
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YesWhether a free full text is available
- OA status
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diamondOpen access status per OpenAlex
- OA URL
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https://doi.org/10.1016/j.dcan.2023.12.006Direct OA link when available
- Concepts
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Cramér–Rao bound, Computer science, Orthogonal frequency-division multiplexing, MIMO, Algorithm, Radar, MIMO-OFDM, Estimation theory, Upper and lower bounds, Electronic engineering, Telecommunications, Mathematics, Beamforming, Channel (broadcasting), Mathematical analysis, EngineeringTop concepts (fields/topics) attached by OpenAlex
- Cited by
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10Total citation count in OpenAlex
- Citations by year (recent)
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2025: 7, 2024: 2, 2023: 1Per-year citation counts (last 5 years)
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36Number of works referenced by this work
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10Other works algorithmically related by OpenAlex
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