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相关论文: Hybrid Procoder and Combiner Design for Secure Tra…

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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…

信息论 · 计算机科学 2019-06-26 Chengwen Xing , Xin Zhao , Wei Xu , Xiaodai Dong , Geoffrey Ye Li

The increase in antenna apertures and transmission frequencies in next-generation wireless networks is catalyzing advancements in near-field communications (NFC). In this paper, we investigate secure transmission in near-field multi-user…

信息论 · 计算机科学 2025-05-09 Zihao Teng , Jiancheng An , Christos Masouros , Hongbin Li , Lu Gan , Derrick Wing Kwan Ng

This paper proposes a novel neural network architecture, that we call an auto-precoder, and a deep-learning based approach that jointly senses the millimeter wave (mmWave) channel and designs the hybrid precoding matrices with only a few…

信息论 · 计算机科学 2019-05-31 Xiaofeng Li , Ahmed Alkhateeb

In this paper, we propose a two-stage analog combining architecture for millimeter wave (mmWave) communications with hybrid analog/digital beamforming and low-resolution analog-to-digital converters (ADCs). We first derive a two-stage…

信息论 · 计算机科学 2018-12-04 Jinseok Choi , Gilwon Lee , Brian L. Evans

In this paper, we investigate secure communication over sparse millimeter-wave (mm-Wave) massive multiple-input multiple-output (MIMO) channels by exploiting the spatial sparsity of legitimate user's channel. We propose a secure…

信息论 · 计算机科学 2019-11-19 Jindan Xu , Wei Xu , Derrick Wing Kwan Ng , A. Lee Swindlehurst

In this letter, we consider hybrid beamforming for millimeter wave (mmWave) MIMO integrated sensing and communications (ISAC). We design the transmit beam of a dual-functional radar-communication (DFRC) base station (BS), aiming at…

信号处理 · 电气工程与系统科学 2022-03-15 Chenhao Qi , Wei Ci , Jinming Zhang , Xiaohu You

The deployment of millimeter wave (mmWave) multiple-input multiple-output (MIMO) systems cannot rely solely on digital precoding due to hardware constraints. Instead, hybrid precoding, which combines digital and radio frequency (RF)…

信号处理 · 电气工程与系统科学 2025-09-16 Navid Reyhanian , Reza Ghaderi Zefreh , Parisa Ramezani , Emil Björnson

The large beamforming gain used to operate at millimeter wave (mmWave) frequencies requires obtaining channel information to configure hybrid antenna arrays. Previously proposed wideband channel estimation strategies, however, assume…

信号处理 · 电气工程与系统科学 2019-06-06 Javier Rodriguez-Fernandez , Nuria Gonzalez-Prelcic

In this paper, we develop a low-complexity channel estimation for hybrid millimeter wave (mmWave) systems, where the number of radio frequency (RF) chains is much less than the number of antennas equipped at each transceiver. The proposed…

信息论 · 计算机科学 2017-02-28 Lou Zhao , Derrick Wing Kwan Ng , Jinhong Yuan

This paper analyzes Hybrid Beamforming (HBF) and Multi-User Multiple-Input Multiple-Output (MU-MIMO) in millimeter wave (mmWave) 5th generation (5G) cellular networks considering the full protocol stack with TCP/IP traffic and MAC…

信息论 · 计算机科学 2020-10-15 Felipe Gomez-Cuba , Tommaso Zugno , Junseok Kim , Michele Polese , Saewoong Bahk , Michele Zorzi

The high path loss associated with millimeter wave (mmWave) frequency communication can be compensated by large scale antenna arrays such as multiple-input multiple-output (MIMO) systems. The hybrid beamforming architecture which uses fewer…

信号处理 · 电气工程与系统科学 2022-11-17 Evangelos Vlachos , Aryan Kaushik , Muhammad Z. Shakir

Hybrid analog and digital BeamForming (HBF) is one of the enabling transceiver technologies for millimeter Wave (mmWave) Multiple Input Multiple Output (MIMO) systems. This technology offers highly directional communication, which is able…

信息论 · 计算机科学 2021-01-19 George C. Alexandropoulos , Ioanna Vinieratou , Mattia Rebato , Luca Rose , Michele Zorzi

Hybrid precoding is a cost-efficient technique for millimeter wave (mmWave) massive multiple-input multiple-output (MIMO) communications. This paper proposes a deep learning approach by using a distributed neural network for hybrid…

信息论 · 计算机科学 2022-04-19 Kai Wei , Jindan Xu , Wei Xu , Ning Wang , Dong Chen

This paper investigates the hybrid precoding design in millimeter-wave (mmWave) systems with a fully-adaptive-connected precoding structure, where a switch-controlled connection is deployed between every antenna and every radio frequency…

信号处理 · 电气工程与系统科学 2019-07-24 Xuan Xue , Yongchao Wang , Long Yang , Jia Shi , Zan Li

Millimeter wave (mmWave) cellular systems will enable gigabit-per-second data rates thanks to the large bandwidth available at mmWave frequencies. To realize sufficient link margin, mmWave systems will employ directional beamforming with…

信息论 · 计算机科学 2015-06-18 Ahmed Alkhateeb , Omar El Ayach , Geert Leus , Robert W. Heath

To enable user diversity and multiplexing gains, a fully digital precoding multiple input multiple output (MIMO) architecture is typically applied. However, a large number of radio frequency (RF) chains make the system unrealistic to…

信号处理 · 电气工程与系统科学 2019-12-02 Tongyang Xu , Christos Masouros , Izzat Darwazeh

This paper investigates the hybrid precoding design for millimeter wave (mmWave) multiple-input multiple-output (MIMO) systems with finite-alphabet inputs. The precoding problem is a joint optimization of analog and digital precoders, and…

信号处理 · 电气工程与系统科学 2020-03-27 Juening Jin , Yahong Rosa Zheng , Wen Chen , Chengshan Xiao

Beamforming and precoding/combining are techniques aimed at processing multiantenna signals at the transmitter and/or at the receiver of a wireless communication system. While they have been routinely used to improve performance in current…

信号处理 · 电气工程与系统科学 2020-04-13 Donatella Darsena , Giacinto Gelli , Francesco Verde

Large propagation path loss and limited scattering of millimeter wave (mmwave) channels create new challenges for physical layer signal processing. Hence, in this article, we propose a photonic hybrid precoding model for mmwave…

信息论 · 计算机科学 2017-07-04 Yahia Alghorani

Millimeter wave (mmWave) communication is expected to play an important role in next generation cellular networks, aiming to cope with the bandwidth shortage affecting conventional wireless carriers. Using side-information has been proposed…

信号处理 · 电气工程与系统科学 2017-11-09 Flavio Maschietti , David Gesbert , Paul de Kerret