The DOI matches its Crossref record; 147 of the 147 references it cites were found in a registry or an index.
A Tutorial on Near-Field XL-MIMO Communications Toward 6G
Abstract
Extremely large-scale multiple-input multiple-output (XL-MIMO) is a promising technology for the sixth-generation (6G) mobile communication networks. By significantly boosting the antenna number or size to at least an order of magnitude beyond current massive MIMO systems, XL-MIMO is expected to unprecedentedly enhance the spectral efficiency and spatial resolution for wireless communication. The evolution from massive MIMO to XL-MIMO is not simply an increase in the array size, but faces new design challenges, in terms of near-field channel modeling, performance analysis, channel estimation, and practical implementation. In this article, we give a comprehensive tutorial overview on near-field XL-MIMO communications, aiming to provide useful guidance for tackling the above challenges. First, the basic near-field modeling for XL-MIMO is established, by considering the new characteristics of non-uniform spherical wave (NUSW) and spatial non-stationarity. Next, based on the near-field modeling, the performance analysis of XL-MIMO is presented, including the near-field signal-to-noise ratio (SNR) scaling laws, beam focusing pattern, achievable rate, and degrees-of-freedom (DoF). Furthermore, various XL-MIMO design issues such as near-field beam codebook, beam training, channel estimation, and delay alignment modulation (DAM) transmission are elaborated. Finally, we point out promising directions to inspire future research on near-field XL-MIMO communications.
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Goldsmith, A. (2005) · Cambridge University Press eBooks · doi:10.1017/cbo9780511841224 · Cited by 10,658
Noncooperative Cellular Wireless with Unlimited Numbers of Base Station Antennas
Marzetta, T. L. (2010) · IEEE Transactions on Wireless Communications · doi:10.1109/twc.2010.092810.091092 · Cited by 6,302
Intelligent Reflecting Surface Enhanced Wireless Network via Joint Active and Passive Beamforming
Wu, Q., & Zhang, R. (2019) · IEEE Transactions on Wireless Communications · doi:10.1109/twc.2019.2936025 · Cited by 4,566
Self-citationIntegrated Sensing and Communications: Toward Dual-Functional Wireless Networks for 6G and Beyond
Liu, F., Cui, Y., Masouros, C., Xu, J., Han, T. X., Eldar, Y. C., & Buzzi, S. (2022) · IEEE Journal on Selected Areas in Communications · doi:10.1109/jsac.2022.3156632 · Cited by 3,857
Reconfigurable Intelligent Surfaces for Energy Efficiency in Wireless Communication
Huang, C., Zappone, A., Alexandropoulos, G. C., Debbah, M., & Yuen, C. (2019) · IEEE Transactions on Wireless Communications · doi:10.1109/twc.2019.2922609 · Cited by 3,761
Energy and spectral efficiency of very large multiuser MIMO systems
Ngo, H. Q., Larsson, E. G., & Marzetta, T. L. (2013) · IEEE Transactions on Communications · doi:10.1109/tcomm.2013.020413.110848 · Cited by 3,173
Intelligent Reflecting Surface-Aided Wireless Communications: A Tutorial
Wu, Q., Zhang, S., Zheng, B., You, C., & Zhang, R. (2021) · IEEE Transactions on Communications · doi:10.1109/tcomm.2021.3051897 · Cited by 3,002
Self-citationAn Overview of Signal Processing Techniques for Millimeter Wave MIMO Systems
Heath, R. W., Gonzalez-Prelcic, N., Rangan, S., Roh, W., & Sayeed, A. M. (2016) · IEEE Journal of Selected Topics in Signal Processing · doi:10.1109/jstsp.2016.2523924 · Cited by 2,899
Cell-Free Massive MIMO Versus Small Cells
Ngo, H. Q., Ashikhmin, A., Yang, H., Larsson, E. G., & Marzetta, T. L. (2017) · IEEE Transactions on Wireless Communications · doi:10.1109/twc.2017.2655515 · Cited by 2,757
On the Road to 6G: Visions, Requirements, Key Technologies, and Testbeds
Wang, C.-X., You, X., Gao, X., Zhu, X., Li, Z., Zhang, C., Wang, H., Huang, Y., Chen, Y., Haas, H., et al. (2023) · IEEE Communications Surveys & Tutorials · doi:10.1109/comst.2023.3249835 · Cited by 2,336
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Metadata
- Authors
- Lu, H., Zeng, Y., You, C., Han, Y., Zhang, J., Wang, Z., Dong, Z., Jin, S., Wang, C.-X., Jiang, T., You, X., & Zhang, R.
- Venue
- IEEE Communications Surveys & Tutorials
- Published
- 2024
- Volume
- 26
- Issue
- 4
- Pages
- 2213-2257
- ISSN
- 1553-877X (ISSN-L)
- 2373-745X
- OpenAlex
- W4394744873
- Cited by
- 353
- References
- 147
- FWCI
- 36.31
- Type
- journal article
- Language
- en
- Open access
- closed
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- Lu, H., Zeng, Y., You, C., Han, Y., Zhang, J., Wang, Z., Dong, Z., Jin, S., Wang, C.-X., Jiang, T., You, X., & Zhang, R. (2024). A Tutorial on Near-Field XL-MIMO Communications Toward 6G. IEEE Communications Surveys & Tutorials. https://doi.org/10.1109/comst.2024.3387749
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