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Millimeter-wave (mmWave) multiple-input multiple-out (MIMO) systems relying on lens antenna arrays are capable of achieving a high antenna-gain at a considerably reduced number of radio frequency (RF) chains via beam selection. However, the…

Information Theory · Computer Science 2020-04-20 Wenqian Shen , Xiangyuan Bu , Xinyu Gao , Chengwen Xing , Lajos Hanzo

In the context of integrated sensing and communication (ISAC), a full-duplex (FD) transceiver can operate as a monostatic radar while maintaining communication capabilities. This paper investigates the design of precoders and combiners for…

Signal Processing · Electrical Eng. & Systems 2024-04-03 Murat Bayraktar , Nuria González-Prelcic , Hao Chen

Millimeter-wave (mmWave) communication is considered as an indispensable technique for the next-generation backhaul/fronthaul network thanks to its large transmission bandwidth. Especially for heterogeneous network (HetNet), the mmWave…

Information Theory · Computer Science 2018-09-11 Yiwei Sun , Zhen Gao , Hua Wang , Di Wu

Hybrid analog-digital (A/D) transceivers designed for millimeter wave (mmWave) systems have received substantial research attention, as a benefit of their lower cost and modest energy consumption compared to their fully-digital…

Information Theory · Computer Science 2020-08-14 Kaidi Xu , Yunlong Cai , Minjian Zhao , Yong Niu , Lajos Hanzo

This paper proposes a novel nature-inspired $\alpha$-fair hybrid precoding (NI-$\alpha$HP) technique for millimeter-wave multi-user massive multiple-input multiple-output systems. Unlike the existing HP literature, we propose to apply…

Information Theory · Computer Science 2022-07-19 Asil Koc , Tho Le-Ngoc

Hybrid transceiver can strike a balance between complexity and performance of multiple-input multiple-output (MIMO) systems. In this paper, we develop a unified framework on hybrid MIMO transceiver design using matrix-monotonic…

Information Theory · Computer Science 2019-06-26 Chengwen Xing , Xin Zhao , Wei Xu , Xiaodai Dong , Geoffrey Ye Li

Hybrid beamforming is a promising technique to reduce the complexity and cost of massive multiple-input multiple-output (MIMO) systems while providing high data rate. However, the hybrid precoder design is a challenging task requiring…

Signal Processing · Electrical Eng. & Systems 2021-05-28 Hamed Hojatian , Jeremy Nadal , Jean-Francois Frigon , Francois Leduc-Primeau

Massive multiple-input multiple-output (MIMO) has the potential to substantially improve the spectral efficiency, robustness and coverage of mobile networks. However, such potential is limited by hardware cost and power consumption…

Information Theory · Computer Science 2018-03-14 Mingjie Shao , Qiang Li , Wing-Kin Ma

The deployment of large-scale antenna arrays for cellular base stations (BSs), termed as `Massive MIMO', has been a key enabler for meeting the ever-increasing capacity requirement for 5G communication systems and beyond. Despite their…

Information Theory · Computer Science 2024-10-30 Ang Li , Christos Masouros , A. Lee Swindlehurst , Wei Yu

This paper studies the instantaneous rate maximization and the weighted sum delay minimization problems over a K-user multicast channel, where multiple antennas are available at the transmitter as well as at all the receivers. Motivated by…

Information Theory · Computer Science 2015-05-30 Hao Zhu , Narayan Prasad , Sampath Rangarajan

Millimeter-wave (mmWave) massive multiple-input multiple-output (MIMO) systems have been considered as one of the primary candidates for the fifth generation (5G) and beyond 5G wireless communication networks to satisfy the ever-increasing…

Signal Processing · Electrical Eng. & Systems 2021-04-02 Asil Koc , Tho Le-Ngoc

Full-duplex millimeter wave (mmWave) communication has shown increasing promise for self-interference cancellation via hybrid precoding and combining. This paper proposes a novel mmWave multiple-input multiple-output (MIMO) design for…

Signal Processing · Electrical Eng. & Systems 2024-10-30 Ian P. Roberts , Jeffrey G. Andrews , Sriram Vishwanath

A variable-phase-shifter (VPS) architecture with hybrid precoding for mixture use of phase shifters and switches, is proposed for millimeter wave massive multiple-input multiple-output communications. For the VPS architecture, a hybrid…

Information Theory · Computer Science 2022-08-02 Chenhao Qi , Qiang Liu , Xianghao Yu , Geoffrey Ye Li

In this paper, the precoding design is investigated for maximizing the throughput of millimeter wave (mmWave) multiple-input multiple-output (MIMO) systems with obstructed direct communication paths. In particular, a reconfigurable…

Signal Processing · Electrical Eng. & Systems 2025-10-01 Po-Heng Chou , Ching-Wen Chen , Wan-Jen Huang , Walid Saad , Yu Tsao , Ronald Y. Chang

Milimeter wave (mmWave) band mobile communications can be a solution to the continuously increasing traffic demand in modern wireless systems. Even though mmWave bands are scarcely occupied, the design of a prospect transceiver should…

Information Theory · Computer Science 2016-12-12 Christos G. Tsinos , Sina Maleki , Symeon Chatzinotas , Bjorn Ottersten

Massive multiple-input multiple-output (MIMO) systems achieve high sum spectral efficiency by offering an order of magnitude increase in multiplexing gains. In time division duplexing systems, however, the reuse of uplink training pilots…

Information Theory · Computer Science 2016-10-14 Ahmed Alkhateeb , Geert Leus , Robert W. Heath

Hybrid analog and digital beamforming has emerged as a key enabling technology for millimeter wave (mmWave) massive multiple-input multiple-output (MIMO) communication systems since it can balance the trade-off between system performance…

Signal Processing · Electrical Eng. & Systems 2022-08-11 Pengfei Ni , Rang Liu , Ming Li , Qian Liu

Hybrid precoding is a cost-effective approach to support directional transmissions for millimeter wave (mm-wave) communications, and its design challenge mainly lies in the analog component which consists of a network of phase shifters. The…

Information Theory · Computer Science 2017-05-03 Xianghao Yu , Jun Zhang , Khaled B. Letaief

Multibeam satellite systems have been employed to provide interactive broadband services to geographical areas under-served by terrestrial infrastructure. In this context, this paper studies joint multiuser linear precoding design in the…

Information Theory · Computer Science 2015-03-19 Gan Zheng , Symeon Chatzinotas , Bjorn Ottersten

In this paper, we address the transmit antenna selection in multi-user MIMO systems with precoding. The optimum and reduced complexity sub-optimum antenna selection algorithms are introduced. QR-decomposition (QRD) based antenna selection…

Information Theory · Computer Science 2010-12-10 Manar Mohaisen , KyungHi Chang