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相关论文: Deep Unfolding-Empowered MmWave Massive MIMO Joint…

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Near-space airship-borne communication network is recognized to be an indispensable component of the future integrated ground-air-space network thanks to airships' advantage of long-term residency at stratospheric altitudes, but it urgently…

信号处理 · 电气工程与系统科学 2024-05-31 Minghui Wu , Zhen Gao , Zhaocheng Wang , Dusit Niyato , George K. Karagiannidis , Sheng Chen

To improve the efficiency of scarce radio-frequency (RF) resources in next-generation wireless systems, an intelligent transceiver architecture based on stacked intelligent metasurfaces (SIM) has recently emerged, where multiple…

信息论 · 计算机科学 2026-05-11 Muhammad Ibrahim , Amine Mezghani , Ekram Hossain

This paper considers a downlink Reconfigurable Intelligent Surface (RIS)-assisted Joint Communication and Sensing (JCAS) system within a physically-consistent setting, accounting for the effect of mutual coupling between RIS elements…

网络与互联网体系结构 · 计算机科学 2026-01-14 Dilki Wijekoon , Amine Mezghani , Ekram Hossain

Inspired by the remarkable learning and prediction performance of deep neural networks (DNNs), we apply one special type of DNN framework, known as model-driven deep unfolding neural network, to reconfigurable intelligent surface…

信号处理 · 电气工程与系统科学 2021-12-06 Jiguang He , Henk Wymeersch , Marco Di Renzo , Markku Juntti

In this paper, we propose a new downlink beamforming strategy for mmWave communications using uplink sub-6GHz channel information and a very few mmWave pilots. Specifically, we design a novel dual-input neural network, called FusionNet, to…

信号处理 · 电气工程与系统科学 2020-09-08 Chenghong Bian , Yuwen Yang , Feifei Gao , Geoffrey Ye Li

Hybrid beamforming is a promising technology to improve the energy efficiency of massive MIMO systems. In particular, subarray hybrid beamforming can further decrease power consumption by reducing the number of phase-shifters. However,…

信息论 · 计算机科学 2022-08-11 Hamed Hojatian , Jérémy Nadal , Jean-François Frigon , François Leduc-Primeau

In millimeter-wave communications, multiple-input-multiple-output (MIMO) systems use large antenna arrays to achieve high gain and spectral efficiency. These massive MIMO systems employ hybrid beamformers to reduce power consumption…

信号处理 · 电气工程与系统科学 2019-11-26 Ahmet M. Elbir , Kumar Vijay Mishra

Integrated sensing and communication (ISAC) capability is envisioned as one key feature for future cellular networks. Classical half-duplex (HD) radar sensing is conducted in a "first-emit-then-listen" manner. One challenge to realize HD…

信息论 · 计算机科学 2023-09-08 Yuan Guo , Yang Liu , Qingqing Wu , Xiaoyang Li , Qingjiang Shi

Joint Communication and Sensing (JCAS) technology facilitates the seamless integration of communication and sensing functionalities within a unified framework, enhancing spectral efficiency, reducing hardware complexity, and enabling…

信号处理 · 电气工程与系统科学 2025-02-24 Chandan Kumar Sheemar , Wali Ullah Khan , George Alexandropoulos , Jorge Querol , Symeon Chatzinotas

Sensor-aided beamforming reduces the overheads associated with beam training in millimeter-wave (mmWave) multi-input-multi-output (MIMO) communication systems. Most prior work, though, neglects the challenges associated with establishing…

信号处理 · 电气工程与系统科学 2025-09-17 Kartik Patel , Robert W. Heath

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…

信号处理 · 电气工程与系统科学 2021-05-28 Hamed Hojatian , Jeremy Nadal , Jean-Francois Frigon , Francois Leduc-Primeau

We present a new deep unfolding network for analysis-sparsity-based Compressed Sensing. The proposed network coined Decoding Network (DECONET) jointly learns a decoder that reconstructs vectors from their incomplete, noisy measurements and…

信息论 · 计算机科学 2023-06-21 Vicky Kouni , Yannis Panagakis

In this letter, we propose a deep-unfolding-based framework (DUNet) to maximize the secrecy rate in reconfigurable intelligent surface (RIS) empowered multi-user wireless networks. To tailor DUNet, first we relax the problem, decouple it…

It is challenging to design an equalizer for the complex time-frequency doubly-selective channel. In this paper, we employ the deep unfolding approach to establish an equalizer for the underwater acoustic (UWA) orthogonal frequency division…

信号处理 · 电气工程与系统科学 2023-06-02 Hao Zhao , Cui Yang , Yalu Xu , Fei Ji , Miaowen Wen , Yankun Chen

This paper proposes a federated learning technique for deep algorithm unfolding with applications to sparse signal recovery and compressed sensing. We refer to this architecture as Fed-CS. Specifically, we unfold and learn the iterative…

信号处理 · 电气工程与系统科学 2020-10-27 Komal Krishna Mogilipalepu , Sumanth Kumar Modukuri , Amarlingam Madapu , Sundeep Prabhakar Chepuri

This paper considers a cell-free integrated sensing and communication (ISAC) MIMO system, where distributed MIMO access points (APs) jointly serve the communication users and sense the target. For this setup, we derive a sensing SNR for…

信息论 · 计算机科学 2024-02-26 Umut Demirhan , Ahmed Alkhateeb

In this paper, we investigate the hybrid beamforming design for a multiple-input multiple-output (MIMO) integrated sensing and communication (ISAC) system, where a multi-antenna base station (BS) with hybrid analog-digital transmit antenna…

信息论 · 计算机科学 2024-09-09 Yizhuo Wang , Shuowen Zhang

This paper develops a graph-based hybrid beamforming framework for multiple-input multiple-output (MIMO) cell-free integrated sensing and communication (ISAC) networks. Specifically, we construct a novel MIMO cell-free ISAC network model.…

信号处理 · 电气工程与系统科学 2025-10-01 Yanan Du , Sai Xu , Jagmohan Chauhan

Downlink (DL) and uplink (UL) joint communication and sensing (JCAS) technologies have been individually studied for realizing sensing using DL and UL communication signals, respectively. Since the spatial environment and JCAS channels in…

信息论 · 计算机科学 2023-04-27 Xu Chen , Zhiyong Feng , J. Andrew Zhang , Zhiqing Wei , Xin Yuan , Ping Zhang

In this paper, we investigate a novel integrated sensing and communication (ISAC) system aided by movable antennas (MAs). A bistatic radar system, in which the base station (BS) is configured with MAs, is integrated into a multi-user…

信号处理 · 电气工程与系统科学 2024-12-31 Wanting Lyu , Songjie Yang , Yue Xiu , Zhongpei Zhang , Chadi Assi , Chau Yuen