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Related papers: Deep Learning for Near-Field XL-MIMO Transceiver D…

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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

Accurate and efficient channel state information (CSI) feedback is crucial for unlocking the substantial spectral efficiency gains of extremely large-scale MIMO (XL-MIMO) systems in future 6G networks. However, the combination of near-field…

Information Theory · Computer Science 2025-08-04 Zhenyu Liu , Yi Ma , Rahim Tafazolli

As one of the core technologies for 5G systems, massive multiple-input multiple-output (MIMO) introduces dramatic capacity improvements along with very high beamforming and spatial multiplexing gains. When developing efficient physical…

Information Theory · Computer Science 2023-11-01 Hengtao He , Xianghao Yu , Jun Zhang , Shenghui Song , Khaled B. Letaief

Massive multiple-input multiple-output (MIMO) system is promising in providing unprecedentedly high data rate. To achieve its full potential, the transceiver needs complete channel state information (CSI) to perform transmit/receive…

Information Theory · Computer Science 2022-02-08 Yu Zhang , Ahmed Alkhateeb , Pranav Madadi , Jeongho Jeon , Joonyoung Cho , Charlie Zhang

Terahertz ultra-massive multiple-input multiple-output (THz UM-MIMO) is envisioned as one of the key enablers of 6G wireless systems. Due to the joint effect of its array aperture and small wavelength, the near-field region of THz UM-MIMO…

Signal Processing · Electrical Eng. & Systems 2023-02-28 Wentao Yu , Yifei Shen , Hengtao He , Xianghao Yu , Jun Zhang , Khaled B. Letaief

Massive MIMO is a compelling wireless access concept that relies on the use of an excess number of base-station antennas, relative to the number of active terminals. This technology is a main component of 5G New Radio (NR) and addresses all…

Information Theory · Computer Science 2018-08-29 Liesbet Van der Perre , Liang Liu , Erik G. Larsson

Beamforming with large-scale antenna arrays has been widely used in recent years, which is acknowledged as an important part in 5G and incoming 6G. Thus, various techniques are leveraged to improve its performance, e.g., deep learning,…

Massive multiple-input multiple-output (MIMO) is an important technology in fifth generation (5G) cellular networks and beyond. To help design the beamforming at the base station, 5G has introduced new support in the form of flexible…

Signal Processing · Electrical Eng. & Systems 2023-02-01 Ryan M. Dreifuerst , Robert W. Heath

The application of machine learning in wireless communications has been extensively explored, with deep unfolding emerging as a powerful model-based technique. Deep unfolding enhances interpretability by transforming complex iterative…

Signal Processing · Electrical Eng. & Systems 2026-01-15 Sukanya Deka , Kuntal Deka , Nhan Thanh Nguyen , Sanjeev Sharma , Vimal Bhatia , Nandana Rajatheva

With the depletion of spectrum, wireless communication systems turn to exploit large antenna arrays to achieve the degree of freedom in space domain, such as millimeter wave massive multi-input multioutput (MIMO), reconfigurable intelligent…

Information Theory · Computer Science 2021-02-26 Shun Zhang , Yushan Liu , Feifei Gao , Chengwen Xing , Jianping An , Octavia A. Dobre

Extremely large-scale multiple-input multiple-output (XL-MIMO) systems, operating in the near-field region due to their massive antenna arrays, are key enablers of next-generation wireless communications but face significant challenges in…

Signal Processing · Electrical Eng. & Systems 2025-12-02 Tianqi Mao , Haiyang Li , Shufeng Tan , Pengyu Wang , Guangyao Liu , Ruiqi Liu , Leyi Zhang , Meng Hua , Dezhi Zheng , Zhaocheng Wang , Sheng Chen

The increasing complexity of configuring cellular networks suggests that machine learning (ML) can effectively improve 5G technologies. Deep learning has proven successful in ML tasks such as speech processing and computational vision, with…

Signal Processing · Electrical Eng. & Systems 2021-06-11 Aldebaro Klautau , Pedro Batista , Nuria Gonzalez-Prelcic , Yuyang Wang , Robert W. Heath

THz band enabled large scale massive MIMO (M-MIMO) is considered as a key enabler for the 6G technology, given its enormous bandwidth and for its low latency connectivity. In the large-scale M-MIMO configuration, enlarged array aperture and…

Information Theory · Computer Science 2024-09-26 Pulok Tarafder , Imtiaz Ahmed , Danda B. Rawat , Ramesh Annavajjala , Kumar Vijay Mishra

Extremely large antenna array (ELAA) is a common feature of several key candidate technologies for sixth-generation mobile networks (6G), such as ultra-massive multiple-input-multiple-output (UM-MIMO), cell-free massive MIMO, reconfigurable…

Information Theory · Computer Science 2024-10-28 Mingyao Cui , Zidong Wu , Yu Lu , Xiuhong Wei , Linglong Dai

In broadband millimeter-wave (mm-Wave) systems, it is desirable to design hybrid beamformers with common analog beamformer for the entire band while employing different baseband beamformers in different frequency sub-bands. Furthermore, the…

Signal Processing · Electrical Eng. & Systems 2019-11-01 Ahmet M. Elbir , Kumar Vijay Mishra

Large antenna arrays and high-frequency bands are two key features of future wireless communication systems. The combination of large-scale antennas with high transmission frequencies often results in the communicating devices operating in…

Signal Processing · Electrical Eng. & Systems 2021-05-28 Haiyang Zhang , Nir Shlezinger , Francesco Guidi , Davide Dardari , Mohammadreza F. Imani , Yonina C. Eldar

Existing communication systems exhibit inherent limitations in translating theory to practice when handling the complexity of optimization for emerging wireless applications with high degrees of freedom. Deep learning has a strong potential…

Networking and Internet Architecture · Computer Science 2020-05-14 Tugba Erpek , Timothy J. O'Shea , Yalin E. Sagduyu , Yi Shi , T. Charles Clancy

In massive multiple-input multiple-output (MIMO) systems, hybrid analog-digital (AD) beamforming can be used to attain a high directional gain without requiring a dedicated radio frequency (RF) chain for each antenna element, which…

Signal Processing · Electrical Eng. & Systems 2021-09-15 S. Shi , Y. Cai , Q. Hu , B. Champagne , L. Hanzo

Large-scale multiple-input multiple-output (MIMO) with high spectrum and energy efficiency is a very promising key technology for future 5G wireless communications. For large-scale MIMO systems, accurate channel state information (CSI)…

Information Theory · Computer Science 2015-11-30 Zhen Gao , Linglong Dai , Zhaocheng Wang

Future communication networks must address the scarce spectrum to accommodate extensive growth of heterogeneous wireless devices. Wireless signal recognition is becoming increasingly more significant for spectrum monitoring, spectrum…

Signal Processing · Electrical Eng. & Systems 2022-06-22 Anu Jagannath , Jithin Jagannath