The DOI matches its Crossref record; 41 of the 41 references it cites were found in a registry or an index.
Terahertz Massive MIMO With Holographic Reconfigurable Intelligent Surfaces
Open accessAbstract
We propose a holographic version of a reconfigurable intelligent surface (RIS) and investigate its application to terahertz (THz) massive multiple-input multiple-output systems. Capitalizing on the miniaturization of THz electronic components, RISs can be implemented by densely packing sub-wavelength unit cells, so as to realize continuous or quasi-continuous apertures and to enable holographic communications. In this paper, in particular, we derive the beam pattern of a holographic RIS. Our analysis reveals that the beam pattern of an ideal holographic RIS can be well approximated by that of an ultra-dense RIS, which has a more practical hardware architecture. In addition, we propose a closed-loop channel estimation (CE) scheme to effectively estimate the broadband channels that characterize THz massive MIMO systems aided by holographic RISs. The proposed CE scheme includes a downlink coarse CE stage and an uplink finer-grained CE stage. The uplink pilot signals are judiciously designed for obtaining good CE performance. Moreover, to reduce the pilot overhead, we introduce a compressive sensing-based CE algorithm, which exploits the dual sparsity of THz MIMO channels in both the angular domain and delay domain. Simulation results demonstrate the superiority of holographic RISs over the non-holographic ones, and the effectiveness of the proposed CE scheme.
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Cites
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
Towards Smart and Reconfigurable Environment: Intelligent Reflecting Surface Aided Wireless Network
Wu, Q., & Zhang, R. (2020) · IEEE Communications Magazine · doi:10.1109/mcom.001.1900107 · Cited by 4,308
Wireless Communications Through Reconfigurable Intelligent Surfaces
Basar, E., Di Renzo, M., De Rosny, J., Debbah, M., Alouini, M.-S., & Zhang, R. (2019) · IEEE Access · doi:10.1109/access.2019.2935192 · Cited by 3,394
Self-citationRappaport, T. S., Xing, Y., Kanhere, O., Ju, S., Madanayake, A., Mandal, S., Alkhateeb, A., & Trichopoulos, G. C. (2019) · IEEE Access · doi:10.1109/access.2019.2921522 · Cited by 2,617
Smart radio environments empowered by reconfigurable AI meta-surfaces: an idea whose time has come
Renzo, M. D., Debbah, M., Phan-Huy, D.-T., Zappone, A., Alouini, M.-S., Yuen, C., Sciancalepore, V., Alexandropoulos, G. C., Hoydis, J., Gacanin, H., et al. (2019) · EURASIP Journal on Wireless Communications and Networking · doi:10.1186/s13638-019-1438-9 · Cited by 1,717
Self-citationTang, W., Chen, M. Z., Chen, X., Dai, J. Y., Han, Y., Di Renzo, M., Zeng, Y., Jin, S., Cheng, Q., & Cui, T. J. (2021) · IEEE Transactions on Wireless Communications · doi:10.1109/twc.2020.3024887 · Cited by 1,606
Holographic MIMO Surfaces for 6G Wireless Networks: Opportunities, Challenges, and Trends
Huang, C., Hu, S., Alexandropoulos, G. C., Zappone, A., Yuen, C., Zhang, R., Renzo, M. D., & Debbah, M. (2020) · IEEE Wireless Communications · doi:10.1109/mwc.001.1900534 · Cited by 1,342
Self-citationHuang, C., Mo, R., & Yuen, C. (2020) · IEEE Journal on Selected Areas in Communications · doi:10.1109/jsac.2020.3000835 · Cited by 938
Intelligent Reflecting Surface: Practical Phase Shift Model and Beamforming Optimization
Abeywickrama, S., Zhang, R., & Yuen, C. (2020) · ICC 2020 - 2020 IEEE International Conference on Communications (ICC) · doi:10.1109/icc40277.2020.9148961 · Cited by 901
Beyond Massive MIMO: The Potential of Data Transmission With Large Intelligent Surfaces
Hu, S., Rusek, F., & Edfors, O. (2018) · IEEE Transactions on Signal Processing · doi:10.1109/tsp.2018.2816577 · Cited by 892
Cited by
Zheng, B., You, C., Mei, W., & Zhang, R. (2022) · IEEE Communications Surveys & Tutorials · doi:10.1109/comst.2022.3155305 · Cited by 579
Stacked Intelligent Metasurfaces for Efficient Holographic MIMO Communications in 6G
An, J., Xu, C., Ng, D. W. K., Alexandropoulos, G. C., Huang, C., Yuen, C., & Hanzo, L. (2023) · IEEE Journal on Selected Areas in Communications · doi:10.1109/jsac.2023.3288261 · Cited by 358
Papazafeiropoulos, A., An, J., Kourtessis, P., Ratnarajah, T., & Chatzinotas, S. (2024) · IEEE Transactions on Wireless Communications · doi:10.1109/twc.2024.3399318 · Cited by 71
Terahertz-Based IRS-Assisted Secure Symbiotic Radio Communication: A DRL Approach
Shahwar, M., Ahmed, M., Hussain, T., Ahmad, S., Ullah Khan, W., Sheraz, M., & Chee Chuah, T. (2025) · IEEE Access · doi:10.1109/access.2025.3539088 · Cited by 11
Metadata
- Authors
- Wan, Z., Gao, Z., Gao, F., Renzo, M. D., & Alouini, M.-S.
- Venue
- IEEE Transactions on Communications
- Published
- 2021-07
- Volume
- 69
- Issue
- 7
- Pages
- 4732-4750
- ISSN
- 0090-6778 (ISSN-L)
- 1558-0857
- OpenAlex
- W3089065083
- Cited by
- 269
- References
- 41
- FWCI
- 14.26
- Type
- journal article
- Language
- en
- Open access
- green
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