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Cited by 309

The DOI matches its Crossref record; 39 of the 39 references it cites were found in a registry or an index.

Low-Rank Tensor Decomposition-Aided Channel Estimation for Millimeter Wave MIMO-OFDM Systems

Open access
Zhou, Zhou, Fang, Jun, Yang, Linxiao, Li, Hongbin, Chen, Zhi, Blum, Rick S.·2017·IEEE Journal on Selected Areas in Communications

Abstract

We consider the problem of downlink channel estimation for millimeter wave (mmWave) MIMO-OFDM systems, where both the base station (BS) and the mobile station (MS) employ large antenna arrays for directional precoding/beamforming. Hybrid analog and digital beamforming structures are employed in order to offer a compromise between hardware complexity and system performance. Different from most existing studies that are concerned with narrowband channels, we consider estimation of wideband mmWave channels with frequency selectivity, which is more appropriate for mmWave MIMO-OFDM systems. By exploiting the sparse scattering nature of mmWave channels, we propose a CANDECOMP/PARAFAC (CP) decomposition-based method for channel parameter estimation (including angles of arrival/departure, time delays, and fading coefficients). In our proposed method, the received signal at the MS is expressed as a third-order tensor. We show that the tensor has the form of a low-rank CP, and the channel parameters can be estimated from the associated factor matrices. Our analysis reveals that the uniqueness of the CP decomposition can be guaranteed even when the size of the tensor is small. Hence the proposed method has the potential to achieve substantial training overhead reduction. We also develop Cramér-Rao bound (CRB) results for channel parameters and compare our proposed method with a compressed sensing-based method. Simulation results show that the proposed method attains mean square errors that are very close to their associated CRBs and present a clear advantage over the compressed sensing-based method.

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Metadata

Authors
Zhou, Z., Fang, J., Yang, L., Li, H., Chen, Z., & Blum, R. S.
Venue
IEEE Journal on Selected Areas in Communications
Published
2017-07
Volume
35
Issue
7
Pages
1524-1538
ISSN
0733-8716 (ISSN-L)
OpenAlex
W2547350840
Cited by
309
References
39
FWCI
10.40
Type
journal article
Language
en
Open access
green

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CoChat. (2026). Citation check: Low-Rank Tensor Decomposition-Aided Channel Estimation for Millimeter Wave MIMO-OFDM Systems. https://app.cochat.ai/papers/10.1109/jsac.2017.2699338
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Zhou, Z., Fang, J., Yang, L., Li, H., Chen, Z., & Blum, R. S. (2017). Low-Rank Tensor Decomposition-Aided Channel Estimation for Millimeter Wave MIMO-OFDM Systems. IEEE Journal on Selected Areas in Communications. https://doi.org/10.1109/jsac.2017.2699338

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