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In this paper, we propose an energy-efficient radar beampattern design framework for a Millimeter Wave (mmWave) massive multi-input multi-output (mMIMO) system, equipped with a hybrid analog-digital (HAD) beamforming structure. Aiming to…

信号处理 · 电气工程与系统科学 2021-06-11 Zhaoyi Xu , Fan Liu , Konstantinos Diamantaras , Christos Masouros , Athina Petropulu

Channel estimation is one of the key issues in practical massive multiple-input multiple-output (MIMO) systems. Compared with conventional estimation algorithms, deep learning (DL) based ones have exhibited great potential in terms of…

信息论 · 计算机科学 2021-08-24 Jiabao Gao , Mu Hu , Caijun Zhong , Geoffrey Ye Li , Zhaoyang Zhang

Hybrid beamforming (HBF) and antenna selection are promising techniques for improving the energy efficiency~(EE) of massive multiple-input multiple-output~(mMIMO) systems. However, the transmitter architecture may contain several parameters…

信号处理 · 电气工程与系统科学 2024-07-01 Hamed Hojatian , Zoubeir Mlika , Jérémy Nadal , Jean-François Frigon , François Leduc-Primeau

In this paper, an efficient massive multiple-input multiple-output (MIMO) detector is proposed by employing a deep neural network (DNN). Specifically, we first unfold an existing iterative detection algorithm into the DNN structure, such…

信号处理 · 电气工程与系统科学 2020-04-16 Jieyu Liao , Junhui Zhao , Feifei Gao , Geoffrey Ye Li

Currently there is great interest in the utility of deep neural networks (DNNs) for the physical layer of radio frequency (RF) communications. In this manuscript, we describe a custom DNN specially designed to solve problems in the RF…

信号处理 · 电气工程与系统科学 2021-09-23 Brian Shevitski , Yijing Watkins , Nicole Man , Michael Girard

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.…

信息论 · 计算机科学 2025-09-30 Rohollah Vahdani , S. Mohammad Razavizadeh

Massive multiple-input multiple-output (MIMO) is a key technology for emerging next-generation wireless systems. Utilizing large antenna arrays at base-stations, massive MIMO enables substantial spatial multiplexing gains by simultaneously…

信号处理 · 电气工程与系统科学 2022-04-13 Ly V. Nguyen , Nhan T. Nguyen , Nghi H. Tran , Markku Juntti , A. Lee Swindlehurst , Duy H. N. Nguyen

Full duplex (FD) is an auspicious wireless technology that holds the potential to double data rates through simultaneous transmission and reception. This paper proposes two innovative designs of hybrid beamforming (HYBF) for a multicell…

信息论 · 计算机科学 2023-06-02 Chandan Kumar Sheemar , Symeon Chatzinotas , Dirk Slock , Eva Lagunas , Jorge Querol

Massive multiple-input multiple-output (MIMO) systems are a main enabler of the excessive throughput requirements in 5G and future generation wireless networks as they can serve many users simultaneously with high spectral and energy…

信息论 · 计算机科学 2021-02-15 Mahdi Boloursaz Mashhadi , Deniz Gündüz

To speedup Deep Neural Networks (DNN) accelerator design and enable effective implementation, we propose HybridDNN, a framework for building high-performance hybrid DNN accelerators and delivering FPGA-based hardware implementations. Novel…

硬件体系结构 · 计算机科学 2020-04-09 Hanchen Ye , Xiaofan Zhang , Zhize Huang , Gengsheng Chen , Deming Chen

This paper proposes a deep learning approach to channel sensing and downlink hybrid beamforming for massive multiple-input multiple-output systems operating in the time division duplex mode and employing either single-carrier or…

信息论 · 计算机科学 2022-06-30 Kareem M. Attiah , Foad Sohrabi , Wei Yu

Low-resolution analog-to-digital converters (ADCs) have been considered as a practical and promising solution for reducing cost and power consumption in massive Multiple-Input-Multiple-Output (MIMO) systems. Unfortunately, low-resolution…

信号处理 · 电气工程与系统科学 2020-11-09 Ly V. Nguyen , Duy H. N. Nguyen , A. Lee Swindlehurst

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.…

信号处理 · 电气工程与系统科学 2019-05-13 Carlos A. Viteri-Mera , Fernando L. Teixeira

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

We propose a deep-learning approach for the joint MIMO detection and channel decoding problem. Conventional MIMO receivers adopt a model-based approach for MIMO detection and channel decoding in linear or iterative manners. However, due to…

信息论 · 计算机科学 2019-01-18 Taotao Wang , Lihao Zhang , Soung Chang Liew

The stringent performance requirements of future wireless networks, such as ultra-high data rates, extremely high reliability and low latency, are spurring worldwide studies on defining the next-generation multiple-input multiple-output…

信号处理 · 电气工程与系统科学 2023-05-16 Qiyu Hu , Yunlong Cai , Guangyi Zhang , Guanding Yu , Geoffrey Ye Li

Neural networks have been applied to the physical layer of wireless communication systems to solve complex problems. In millimeter wave (mmWave) massive multiple-input multiple-output (MIMO) systems, hybrid precoding has been considered as…

网络与互联网体系结构 · 计算机科学 2019-03-22 Jing Yang , Kai Chen , Xiaohu Ge , Yonghui Li , Lin Tian

Deep learning is envisioned to play a key role in the design of future wireless receivers. A popular approach to design learning-aided receivers combines deep neural networks (DNNs) with traditional model-based receiver algorithms,…

信息论 · 计算机科学 2024-10-22 Tomer Raviv , Sangwoo Park , Osvaldo Simeone , Nir Shlezinger

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…

信息论 · 计算机科学 2016-05-04 Foad Sohrabi , Wei Yu

In conventional multi-user multiple-input multiple-output (MU-MIMO) systems with frequency division duplexing (FDD), channel acquisition and precoder optimization processes have been designed separately although they are highly coupled.…

信息论 · 计算机科学 2022-09-22 Jeonghyeon Jang , Hoon Lee , Il-Min Kim , Inkyu Lee