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Hybrid beamformer design plays very crucial role in the next generation millimeter-wave (mm-Wave) massive MIMO (multiple-input multiple-output) systems. Previous works assume the perfect channel state information (CSI) which results heavy…

信号处理 · 电气工程与系统科学 2020-08-18 Ahmet M. Elbir

Resource allocation has a direct and profound impact on the performance of vehicle-to-everything (V2X) networks. Considering the dynamic nature of vehicular environments, it is appealing to devise a decentralized strategy to perform…

网络与互联网体系结构 · 计算机科学 2019-08-12 Liang Wang , Hao Ye , Le Liang , Geoffrey Ye Li

Machine learning (ML) starts to be widely used to enhance the performance of multi-user multiple-input multiple-output (MU-MIMO) receivers. However, it is still unclear if such methods are truly competitive with respect to conventional…

信息论 · 计算机科学 2021-07-01 Mathieu Goutay , Fayçal Ait Aoudia , Jakob Hoydis , Jean-Marie Gorce

This paper presents a hybrid model combining Transformer and CNN for predicting the current waveform in signal lines. Unlike traditional approaches such as current source models, driver linear representations, waveform functional fitting,…

信号处理 · 电气工程与系统科学 2025-06-11 Junlang Huang , Hao Chen , Li Luo , Yong Cai , Lexin Zhang , Tianhao Ma , Yitian Zhang , Zhong Guan

Graph neural networks based on iterative one-hop message passing have been shown to struggle in harnessing the information from distant nodes effectively. Conversely, graph transformers allow each node to attend to all other nodes directly,…

机器学习 · 计算机科学 2024-06-06 Yuhui Ding , Antonio Orvieto , Bobby He , Thomas Hofmann

Channel estimation for hybrid Multiple Input Multiple Output (MIMO) systems at Millimeter-Waves (mmW)/sub-THz is a fundamental, despite challenging, prerequisite for an efficient design of hybrid MIMO precoding/combining. Most works propose…

This paper develops a novel analytical framework for asynchronous wireless networks deploying multicarrier transmission. Nodes in the network have different notions of timing, so from the viewpoint of a typical receiver, the received…

信息论 · 计算机科学 2016-11-17 Xingqin Lin , Libin Jiang , Jeffrey G. Andrews

In massive multiple-input multiple-output (MIMO) systems, hybrid analog-digital (AD) beamforming can be used to attain a high directional gain without requiring a dedicated radio frequency (RF) chain for each antenna element, which…

信号处理 · 电气工程与系统科学 2021-09-15 S. Shi , Y. Cai , Q. Hu , B. Champagne , L. Hanzo

In this study, a novel transmission scheme is proposed to serve radar-sensing and communication objectives at the same time and allocated bandwidth. The proposed transmitted frame non-orthogonally superimposes two different waveforms, which…

信号处理 · 电气工程与系统科学 2020-07-14 Mehmet Mert Sahin , Huseyin Arslan

As wireless communication technology progresses towards the sixth generation (6G), high-frequency millimeter-wave (mmWave) communication has emerged as a promising candidate for enabling vehicular networks. It offers high data rates and…

计算机视觉与模式识别 · 计算机科学 2024-09-18 Ghazi Gharsallah , Georges Kaddoum

Deep Learning has been widely applied in the area of image processing and natural language processing. In this paper, we propose an end-to-end communication structure based on autoencoder where the transceiver can be optimized jointly. A…

信息论 · 计算机科学 2019-06-18 Tianjie Mu , Xiaohui Chen , Li Chen , Huarui Yin , Weidong Wang

One of the important use-cases of 5G network is the vehicle to infrastructure (V2I) communication which requires accurate understanding about its dynamic propagation environment. As 5G base stations (BSs) tend to have multiple antennas,…

信息论 · 计算机科学 2017-07-25 Tadilo Endeshaw Bogale , Xianbin Wang , Long Bao Le

Hybrid analog-digital signal processing (HSP) is an enabling technology to harvest the potential of millimeter-wave (mmWave) massive-MIMO communications. In this paper, we present a general deep learning (DL) framework for efficient design…

信号处理 · 电气工程与系统科学 2024-10-28 Alireza Morsali , Afshin Haghighat , Benoit Champagne

The dominant graph-to-sequence transduction models employ graph neural networks for graph representation learning, where the structural information is reflected by the receptive field of neurons. Unlike graph neural networks that restrict…

计算与语言 · 计算机科学 2019-12-03 Deng Cai , Wai Lam

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 future wireless communications are expected to provide new use scenarios with emerging techniques. This paper focuses on vehicle to everything (V2X) network, where vehicles should cooperatively implement information obtaining, data…

信号处理 · 电气工程与系统科学 2024-09-24 Chonghao Zhao

Deep Neural Networks (DNN) have been successful in en- hancing noisy speech signals. Enhancement is achieved by learning a nonlinear mapping function from the features of the corrupted speech signal to that of the reference clean speech…

机器学习 · 计算机科学 2016-06-16 Zhenzhou Wu , Sunil Sivadas , Yong Kiam Tan , Ma Bin , Rick Siow Mong Goh

Hybrid reconfigurable intelligent surfaces (HRIS) are RIS architectures having both active and passive elements. The received signal-to-noise ratio (SNR) in HRIS-assisted communication systems depends on the placement of active elements. In…

信号处理 · 电气工程与系统科学 2023-01-18 R. S. Prasobh Sankar , Sundeep Prabhakar Chepuri

Forecasting the future behavior of all traffic agents in the vicinity is a key task to achieve safe and reliable autonomous driving systems. It is a challenging problem as agents adjust their behavior depending on their intentions, the…

机器人学 · 计算机科学 2021-12-30 Edoardo Mello Rella , Jan-Nico Zaech , Alexander Liniger , Luc Van Gool

Rapid development of big data and high-performance computing have encouraged explosive studies of deep learning in geoscience. However, most studies only take single-type data as input, frittering away invaluable multisource, multi-scale…

机器学习 · 计算机科学 2020-05-19 Zhenyu Yuan , Yuxin Jiang , Jingjing Li , Handong Huang