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Hybrid digital and analog beamforming is a highly effective technique for implementing beamforming methods in millimeter wave (mmWave) systems. It provides a viable solution to replace the complex fully digital beamforming techniques.…

Information Theory · Computer Science 2025-09-30 Rohollah Vahdani , S. Mohammad Razavizadeh

Analog/digital hybrid beamforming architectures with large-scale antenna arrays have been widely considered in millimeter wave (mmWave) communication systems because they can address the tradeoff between performance and hardware efficiency…

Signal Processing · Electrical Eng. & Systems 2019-06-05 Hongyu Li , Ming Li , Qian Liu

In this letter, we investigate the millimeter wave (mmWave) downlink multiuser multiple-input multiple-output (MU-MIMO) system, adopting the dynamic subarray architecture at the base station and considering the multi-stream communication…

Signal Processing · Electrical Eng. & Systems 2022-05-09 Gengshan Wang , Zhijia Yang , Tierui Gong

Hybrid analog and digital beamforming is a promising candidate for large-scale mmWave MIMO systems because of its ability to significantly reduce the hardware complexity of the conventional fully-digital beamforming schemes while being…

Information Theory · Computer Science 2017-11-23 Foad Sohrabi , Wei Yu

Millimeter wave (mmWave) systems will likely employ large antenna arrays at both the transmitters and receivers. A natural application of antenna arrays is simultaneous transmission to multiple users, which requires multi-user precoding at…

Information Theory · Computer Science 2016-11-17 Ahmed Alkhateeb , Robert W. Heath , Geert Leus

We present a beamforming algorithm for multiuser wideband millimeter wave (mmWave) communication systems where one access point uses hybrid analog/digital beamforming while multiple user stations have phased-arrays with a single RF chain.…

Signal Processing · Electrical Eng. & Systems 2019-05-13 Carlos A. Viteri-Mera , Fernando L. Teixeira

Hybrid multiple-input multiple-output (MIMO) is an attractive technology for realizing extreme massive MIMO systems envisioned for future wireless communications in a scalable and power-efficient manner. However, the fact that hybrid MIMO…

Information Theory · Computer Science 2024-10-28 Nir Shlezinger , Mengyuan Ma , Ortal Lavi , Nhan Thanh Nguyen , Yonina C. Eldar , Markku Juntti

Switch-based hybrid network is a promising implementation for beamforming in large-scale millimetre wave (mmWave) antenna arrays. By fully exploiting the sparse nature of the mmWave channel, such hybrid beamforming reduces complexity and…

Signal Processing · Electrical Eng. & Systems 2019-09-02 Hamed Nosrati , Elias Aboutanios , Xiangrong Wang , David Smith

Hybrid beamforming is considered a key enabler to realize millimeter wave (mmWave) multiple-input multiple-output (MIMO) communications due to its capability of considerably reducing the number of costly and power-hungry radio frequency…

Signal Processing · Electrical Eng. & Systems 2021-08-25 Mengyuan Ma , Nhan Thanh Nguyen , Markku Juntti

Large antenna arrays will be needed in future millimeter wave (mmWave) cellular networks, enabling a large number of different possible antenna architectures and multiple-input multiple-output (MIMO) techniques. It is still unclear which…

Information Theory · Computer Science 2016-11-15 Mandar N. Kulkarni , Amitava Ghosh , Jeffrey G. Andrews

In this paper, we propose a beamforming design for dual-functional radar-communication (DFRC) systems at the millimeter wave (mmWave) band, where hybrid beamforming and sub-arrayed MIMO radar techniques are jointly exploited. We assume that…

Signal Processing · Electrical Eng. & Systems 2018-10-25 Fan Liu , Christos Masouros

The potential of using of millimeter wave (mmWave) frequency for future wireless cellular communication systems has motivated the study of large-scale antenna arrays for achieving highly directional beamforming. However, the conventional…

Information Theory · Computer Science 2016-05-04 Foad Sohrabi , Wei Yu

Millimeter-wave (mm-wave) communication is a key technology for future wireless networks. To combat significant path loss and exploit the abundant mm-wave spectrum, effective beamforming is crucial. Nevertheless, conventional fully digital…

Signal Processing · Electrical Eng. & Systems 2019-12-05 Jun Zhang , Xianghao Yu , Khaled B. Letaief

To satisfy the capacity requirements of future mobile systems, under-utilized millimeter wave frequencies can be efficiently exploited by employing massive MIMO technology with highly directive beamforming. Hybrid analog-digital beamforming…

Signal Processing · Electrical Eng. & Systems 2020-12-08 Mohammad Majidzadeh , Jarkko Kaleva , Nuutti Tervo , Harri Pennanen , Antti Tolli , Matti Latva-aho

This paper conceives a hybrid beamforming design (HBF) that maximizes the energy efficiency (EE) of an integrated sensing and communication (ISAC)-enabled millimeter wave (mmWave) multiple-input multiple-output (MIMO) system. In the system…

Signal Processing · Electrical Eng. & Systems 2024-06-07 Jitendra Singh , Suraj Srivastava , Aditya K. Jagannatham

Antenna arrays will be an important ingredient in millimeter wave (mmWave) cellular systems. A natural application of antenna arrays is simultaneous transmission to multiple users. Unfortunately, the hardware constraints in mmWave systems…

Information Theory · Computer Science 2016-11-18 Ahmed Alkhateeb , Geert Leus , Robert W. Heath

Millimeter wave (mmWave) communication has attracted increasing attention as a promising technology for 5G networks. One of the key architectural features of mmWave is the use of massive antenna arrays at both the transmitter and the…

Networking and Internet Architecture · Computer Science 2018-10-02 Qing Xue , Xuming Fang , Ming Xiao

Millimeter-wave and terahertz technologies have been attracting attention from the wireless research community since they can offer large underutilized bandwidths which can enable the support of ultra-high-speed connections in future…

Signal Processing · Electrical Eng. & Systems 2021-07-27 Joao Pedro Pavia , Vasco Velez , Renato Ferreira , Nuno Souto , Marco Ribeiro , Joao Silva , Rui Dinis

Millimeter wave (mmWave) communications have been considered as a key technology for next generation cellular systems and Wi-Fi networks because of its advances in providing orders-of-magnitude wider bandwidth than current wireless…

Information Theory · Computer Science 2018-07-04 Zihuan Wang , Ming Li , Qian Liu , A. Lee Swindlehurst

Millimeter-wave (mmWave) technology is one of the most promising candidates for future wireless communication systems as it can offer large underutilized bandwidths and eases the implementation of large antenna arrays which are required to…

Signal Processing · Electrical Eng. & Systems 2019-04-01 Nuno Souto , João Silva , João Pavia , Marco Ribeiro
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