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相关论文: Deep Learning-based Massive MIMO CSI Acquisition f…

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Deep learning (DL) based channel estimation (CE) and multiple input and multiple output detection (MIMODet), as two separate research topics, have provided convinced evidence to demonstrate the effectiveness and robustness of artificial…

信号处理 · 电气工程与系统科学 2024-01-30 Xiangzhao Qin , Sha Hu , Jiankun Zhang , Jing Qian , Hao Wang

Reducing feedback overhead in beyond 5G networks is a critical challenge, as the growing number of antennas in modern massive MIMO systems substantially increases the channel state information (CSI) feedback demand in frequency division…

系统与控制 · 电气工程与系统科学 2026-02-24 Sehyun Ryu , Hyun Jong Yang

Deep learning has been proven to be a powerful tool for addressing the most significant issues in cognitive radio networks, such as spectrum sensing, spectrum sharing, resource allocation, and security attacks. The utilization of deep…

网络与互联网体系结构 · 计算机科学 2024-11-01 Senthil Kumar Jagatheesaperumal , Ijaz Ahmad , Marko Höyhtyä , Suleman Khan , Andrei Gurtov

Motivated by the need for increased spectral efficiency and the proliferation of intelligent applications, the sixth-generation (6G) mobile network is anticipated to integrate the dual-functions of communication and sensing (C&S). Although…

信息论 · 计算机科学 2024-01-18 Yifei Zhang , Zhen Gao , Jingjing Zhao , Ziming He , Yunsheng Zhang , Chen Lu , Pei Xiao

As the number of multiple-input multiple-output (MIMO) antennas increases drastically with the development towards 6G systems, channel state information (CSI) compression becomes crucial for mitigating feedback overhead. In recent years,…

信号处理 · 电气工程与系统科学 2025-04-18 Kangzhi Lou , Xiping Wu

For high data rate wireless communication systems, developing an efficient channel estimation approach is extremely vital for channel detection and signal recovery. With the trend of high-mobility wireless communications between vehicles…

信号处理 · 电气工程与系统科学 2019-07-11 Tian-Hao Li , Muhammad R. A. Khandaker , Faisal Tariq , Kai-Kit Wong , Risala T. Khan

In this paper, we investigate the issue of uplink integrated sensing and communication (ISAC) in 6G wireless networks where the sensing echo signal and the communication signal are received simultaneously at the base station (BS). To…

信息论 · 计算机科学 2024-03-05 Qiao Qi , Xiaoming Chen , Caijun Zhong , Chau Yuen , Zhaoyang Zhang

For massive multiple-input multiple-output systems in the frequency division duplex (FDD) mode, accurate downlink channel state information (CSI) is required at the base station (BS). However, the increasing number of transmit antennas…

信息论 · 计算机科学 2024-01-15 Jiaming Cheng , Wei Chen , Jialong Xu , Yiran Guo , Lun Li , Bo Ai

Large-scale multiple-input multiple-output (MIMO) with high spectrum and energy efficiency is a very promising key technology for future 5G wireless communications. For large-scale MIMO systems, accurate channel state information (CSI)…

信息论 · 计算机科学 2015-11-30 Zhen Gao , Linglong Dai , Zhaocheng Wang

Deep learning (DL) methods have been shown to improve the performance of several use cases for the fifth-generation (5G) New radio (NR) air interface. In this paper we investigate user equipment (UE) positioning using the channel state…

信号处理 · 电气工程与系统科学 2024-08-29 Anastasios Foliadis , Mario H. Castañeda , Richard A. Stirling-Gallacher , Reiner S. Thomä

Massive multiple-input multiple-output (MIMO) is believed to deliver unrepresented spectral efficiency gains for 5G and beyond. However, a practical challenge arises during its commercial deployment, which is known as the ``curse of…

信息论 · 计算机科学 2022-05-27 Ziao Qin , Haifan Yin , Yandi Cao , Weidong Li , David Gesbert

In a multiple-input multiple-output (MIMO) system, the availability of channel state information (CSI) at the transmitter is essential for performance improvement. Recent convolutional neural network (NN) based techniques show competitive…

信息论 · 计算机科学 2018-11-20 Chao Lu , Wei Xu , Hong Shen , Jun Zhu , Kezhi Wang

The design of beamforming for downlink multi-user massive multi-input multi-output (MIMO) relies on accurate downlink channel state information (CSI) at the transmitter (CSIT). In fact, it is difficult for the base station (BS) to obtain…

信号处理 · 电气工程与系统科学 2023-07-20 Zhenyuan Feng , Bruno Clerckx

In frequency-division duplexing (FDD) massive multiple-input multiple-output (MIMO), deep learning (DL)-based superimposed channel state information (CSI) feedback has presented promising performance. However, it is still facing many…

信号处理 · 电气工程与系统科学 2020-03-13 Chaojin Qing , Bin Cai , Qingyao Yang , Jiafan Wang , Chuan Huang

To fully unlock the benefits of multiple-input multiple-output (MIMO) networks, downlink channel state information (CSI) is required at the base station (BS). In frequency division duplex (FDD) systems, the CSI is acquired through a…

信息论 · 计算机科学 2023-05-23 Matteo Nerini , Valentina Rizzello , Michael Joham , Wolfgang Utschick , Bruno Clerckx

Unleashing the full potential of massive MIMO in FDD mode by reducing the overhead of CSI feedback has recently garnered attention. Numerous deep learning for massive MIMO CSI feedback approaches have demonstrated their efficiency and…

信息论 · 计算机科学 2023-05-01 Sijie Ji , Mo Li

In 5G networks, non-orthogonal multiple access (NOMA) provides a number of benefits by providing uneven power distribution to multiple users at once. On the other hand, effective power allocation, successful successive interference…

网络与互联网体系结构 · 计算机科学 2024-12-02 Sumita Majhi , Pinaki Mitra

Effective and adaptive interference management is required in next generation wireless communication systems. To address this challenge, Rate-Splitting Multiple Access (RSMA), relying on multi-antenna rate-splitting (RS) at the transmitter…

信号处理 · 电气工程与系统科学 2022-12-21 Rafael Cerna Loli , Onur Dizdar , Bruno Clerckx , Cong Ling

The recent advances in machine learning and deep neural networks have made them attractive candidates for wireless communications functions such as channel estimation, decoding, and downlink channel state information (CSI) compression.…

网络与互联网体系结构 · 计算机科学 2023-11-15 Omar Erak , Hatem Abou-Zeid

To reduce multiuser interference and maximize the spectrum efficiency in orthogonal frequency division duplexing massive multiple-input multiple-output (MIMO) systems, the downlink channel state information (CSI) estimated at the user…

信号处理 · 电气工程与系统科学 2023-07-19 Wei Chen , Weixiao Wan , Shiyue Wang , Peng Sun , Geoffrey Ye Li , Bo Ai