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Hybrid beamforming (HBF) includes analog beamforming with phase shifted array in RF domain and digital beamforming in baseband domain. Phase shifted array is usually made up with a large amount of phase shifters. Limited to the…

Information Theory · Computer Science 2018-09-05 Wendi Wang , Huarui Yin , Xiaohui Chen , Weidong Wang

Millimeter-wave (mmWave) communications have been considered as a key technology for future 5G wireless networks because of the orders-of-magnitude wider bandwidth than current cellular bands. In this paper, we consider the problem of…

Information Theory · Computer Science 2017-04-27 Zihuan Wang , Ming Li , Xiaowen Tian , Qian Liu

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

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

Full Duplex (FD) communication can revolutionize wireless communications as it avoids using independent channels for bi-directional communications. This work generalizes the point-to-point FD communication in millimeter wave (mmWave) band…

Information Theory · Computer Science 2022-01-06 Chandan Kumar Sheemar , Dirk Slock

Multicast beamforming is known to improve spectral efficiency. However, its benefits and challenges for hybrid precoders design in millimeter-wave (mmWave) systems remain understudied. To this end, this paper investigates the first joint…

Signal Processing · Electrical Eng. & Systems 2020-02-05 Luis F. Abanto-Leon , Matthias Hollick , Gek Hong , Sim

Hybrid analog/digital precoding offers a compromise between hardware complexity and system performance in millimeter wave (mmWave) systems. This type of precoding allows mmWave systems to leverage large antenna array gains that are…

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

In this paper, we propose a novel joint hybrid precoder and combiner design for maximizing the average achievable sum-rate of single-user orthogonal frequency division multiplexing millimeter wave massive MIMO systems. We formulate the…

Information Theory · Computer Science 2024-10-30 Guilherme Martignago Zilli , Wei-Ping Zhu

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

The conventional digital beamforming technique needs one radio frequency (RF) chain per antenna element. High power consumption, significantly high cost of RF chain components per antenna and complex signal processing task at base band…

Signal Processing · Electrical Eng. & Systems 2025-04-25 Om Nath Acharya , Ram Kaji Budhathoki , Santosh Shaha

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

Millimeter wave (mmWave) is a key technology for fifth-generation (5G) and beyond communications. Hybrid beamforming has been proposed for large-scale antenna systems in mmWave communications. Existing hybrid beamforming designs based on…

Signal Processing · Electrical Eng. & Systems 2022-02-07 Chia-Ho Kuo , Hsin-Yuan Chang , Ronald Y. Chang , Wei-Ho Chung

Hybrid beamforming (HB) has emerged as a promising technology to support ultra high transmission capacity and with low complexity for Millimeter Wave (mmWave) multiple-input and multiple-output (MIMO) system. However, the design of digital…

Signal Processing · Electrical Eng. & Systems 2020-01-10 Jiyun Tao , Jing Xing , Jienan Chen , Chuan Zhang , Shengli Fu

A hybrid beamformer (HBF) is designed for integrated sensing and communication (ISAC)-aided millimeter wave (mmWave) systems. The ISAC base station (BS), relying on a limited number of radio frequency (RF) chains, supports multiple…

Signal Processing · Electrical Eng. & Systems 2025-03-18 Jitendra Singh , Banda Naveen , Suraj Srivastava , Aditya K. Jagannatham , Lajos Hanzo

This work studies a variant of hybrid beamforming, namely, hybrid beamforming with selection (HBwS), as an attractive solution to reduce the hardware cost of multi-user Massive Multiple-Input-Multiple-Output systems, while retaining good…

Information Theory · Computer Science 2018-06-05 Vishnu V. Ratnam , Andreas F. Molisch , Ozgun Y. Bursalioglu , Haralabos C. Papadopoulos

This paper investigates the hybrid precoding design for millimeter wave (mmWave) multiple-input multiple-output (MIMO) systems with finite-alphabet inputs. The mmWave MIMO system employs partially-connected hybrid precoding architecture…

Information Theory · Computer Science 2019-02-14 Juening Jin , Chengshan Xiao , Wen Chen , Yongpeng Wu

Hybrid precoding design is challenging for millimeter-wave (mmWave) massive MIMO. Most prior hybrid precoding schemes are designed to maximize the sum spectral efficiency (SSE), while seldom investigate the bit-error-rate (BER). Therefore,…

Information Theory · Computer Science 2018-05-22 Jiening Mao , Zhen Gao , Yongpeng Wu , Mohamed-Slim Alouini

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

In this paper, we propose a hybrid precoding/combining framework for communication-centric integrated sensing and full-duplex (FD) communication operating at mmWave bands. The designed precoders and combiners enable multiuser (MU) FD…

Signal Processing · Electrical Eng. & Systems 2024-05-16 Murat Bayraktar , Nuria González-Prelcic , Mikko Valkama , Hao Chen , Charlie Jianzhong Zhang