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This paper studies the exploitation of triple polarization (TP) for multi-user (MU) holographic multiple-input multiple-output surface (HMIMOS) wireless communication systems, aiming at capacity boosting without enlarging the antenna array…

Information Theory · Computer Science 2023-02-13 Li Wei , Chongwen Huang , George C. Alexandropoulos , Zhaohui Yang , Jun Yang , Wei E. I. Sha , Merouane Debbah , Chau Yuen

The multi-user Holographic Multiple-Input and Multiple-Output Surface (MU-HMIMOS) paradigm, which is capable of realizing large continuous apertures with minimal power consumption, has been recently considered as an energyefficient solution…

Information Theory · Computer Science 2022-09-14 Li Wei , Chongwen Huang , George C. Alexandropoulos , Wei E. I. Sha , Zhaoyang Zhang , Merouane Debbah , Chau Yuen

The multi-user Holographic Multiple-Input and Multiple-Output Surface (MU-HMIMOS) paradigm, which is capable of realizing large continuous apertures with minimal power consumption and of shaping radio wave propagation at will, has been…

Information Theory · Computer Science 2022-04-12 Li Wei , Chongwen Huang , George C. Alexandropoulos , Wei E. I. Sha , Zhaoyang Zhang , Merouane Debbah , Chau Yuen

In this paper, Tomlinson-Harashima Precoding (THP) is considered for multi-user multiple-input single-output (MU-MISO) non-orthogonal multiple access (NOMA) donwlink. Under the hierarchical structure in which multiple clusters each with two…

Information Theory · Computer Science 2018-08-24 Jungho So , Youngchul Sung , Yong H. Lee

Tomlinson-Harashima precoding (THP) is a nonlinear processing technique employed at the transmit side and is a dual to the successive interference cancelation (SIC) detection at the receive side. Like SIC detection, the performance of THP…

Information Theory · Computer Science 2016-11-15 K. Zu , R. C. de Lamare , M. Haardt

Holographic MIMO (HMIMO) has emerged as a promising solution for future wireless systems by enabling ultra-dense, spatially continuous antenna deployments. While prior studies have primarily focused on electromagnetic (EM) modeling or…

Signal Processing · Electrical Eng. & Systems 2025-10-07 Gayathri Shekar , Saman Atapattu , Prathapasinghe Dharmawansa , Kandeepan Sithamparanathan

Holographic multiple-input multiple-output (HMIMO) is an emerging technology for 6G communications, in which numerous antenna units are integrated in a limited space. As the HMIMO array aperture expands, the near-field region of the array…

Signal Processing · Electrical Eng. & Systems 2025-10-15 Houfeng Chen , Shaohua Yue , Marco Di Renzo , Hongliang Zhang

The focus of this paper is on multi-user MIMO transmissions for millimeter wave systems with a hybrid precoding architecture at the base-station. To enable multi-user transmissions, the base-station uses a cell-specific codebook of…

Information Theory · Computer Science 2018-07-04 Miguel R. Castellanos , Vasanthan Raghavan , Jung H. Ryu , Ozge H. Koymen , Junyi Li , David J. Love , Borja Peleato

Empowered by the latest progress on innovative metamaterials/metasurfaces and advanced antenna technologies, holographic multiple-input multiple-output (H-MIMO) emerges as a promising technology to fulfill the extreme goals of the…

Signal Processing · Electrical Eng. & Systems 2024-04-25 Tierui Gong , Li Wei , Chongwen Huang , George C. Alexandropoulos , Mérouane Debbah , Chau Yuen

In this paper, robust transceiver design with Tomlinson-Harashima precoding (THP) for multi-hop amplify-and-forward (AF) multiple-input multiple-output (MIMO) relaying systems is investigated. At source node, THP is adopted to mitigate the…

Information Theory · Computer Science 2016-11-15 Chengwen Xing , Minghua Xia , Feifei Gao , Yik-Chung Wu

The proliferation of large multi-antenna configurations operating in high frequency bands has recently challenged the conventional far-field, rich-scattering paradigm of wireless channels. Extra large antenna arrays must usually work in the…

Information Theory · Computer Science 2024-10-14 Adrian Agustin , Xavier Mestre

With antenna spacing much less than half a wavelength in confined space, holographic multiple-input multiple-output (HMIMO) technology presents a promising frontier in next-generation mobile communication. We delve into the research of the…

Information Theory · Computer Science 2024-10-14 Mengyu Qian , Li You , Xiang-Gen Xia , Xiqi Gao

Holographic multiple-input-multiple output (HMIMO), which is enabled by large-scale antenna arrays with quasi-continuous apertures, is expected to be an important technology in the forthcoming 6G wireless network. Reconfigurable intelligent…

Information Theory · Computer Science 2024-09-04 Shuhao Zeng , Hongliang Zhang , Boya Di , Zhu Han , H. Vincent Poor

Holographic multiple-input multiple-output (HMIMO) technology, which uses spatially continuous surfaces for signal transmission and reception, is envisioned to be a promising solution for improving the data rate and coverage of wireless…

Information Theory · Computer Science 2023-05-26 Jiancheng An , Chau Yuen , Chongwen Huang , Merouane Debbah , H. Vincent Poor , Lajos Hanzo

Advancements in emerging technologies, e.g., reconfigurable intelligent surfaces and holographic MIMO (HMIMO), facilitate unprecedented manipulation of electromagnetic (EM) waves, significantly enhancing the performance of wireless…

Information Theory · Computer Science 2025-02-07 Li Wei , Shuai S. A. Yuan , Chongwen Huang , Jianhua Zhang , Faouzi Bader , Zhaoyang Zhang , Sami Muhaidat , Merouane Debbah , Chau Yuen

Envisioned as one of the most promising technologies, holographic multiple-input multiple-output (H-MIMO) recently attracts notable research interests for its great potential in expanding wireless possibilities and achieving fundamental…

Signal Processing · Electrical Eng. & Systems 2024-04-16 Tierui Gong , Li Wei , Chongwen Huang , Zhijia Yang , Jiguang He , Mérouane Debbah , Chau Yuen

Cell-free (CF) multiple-input multiple-output (MIMO) systems generally employ linear precoding techniques to mitigate the effects of multiuser interference. However, the power loss, efficiency, and precoding accuracy of linear precoders are…

Information Theory · Computer Science 2023-12-27 A. Flores , R. C. de Lamare , K. V. Mishra

Hybrid precoding has been recognized as a promising technology to combat the path loss of millimeter wave signals in massive multiple-input multiple-output (MIMO) systems. However, due to the joint optimization of the digital and analog…

Signal Processing · Electrical Eng. & Systems 2019-04-12 Ling Zhang , Lin Gui , Kai Ying , Qibo Qin

Holographic multiple-input multiple-output (MIMO) communications are widely recognized as a promising candidate for the next-generation air interface. With holographic MIMO surface, the number of the spatial degrees-of-freedom (DoFs)…

Information Theory · Computer Science 2023-09-25 Shuaishuai Guo , Jia Ye , Kaiqian Qu , Shuping Dang

We propose to use Tomlinson-Harashima Precoding (THP) for the reconfigurable intelligent surface (RIS)-aided multiple-input multiple-output (MIMO) broadcast channel where we assume a line of sight (LOS) connection between the base station…

Signal Processing · Electrical Eng. & Systems 2024-09-05 Dominik Semmler , Michael Joham , Wolfgang Utschick
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