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相关论文: Decentralized Hybrid Precoding for Massive MU-MIMO…

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Hybrid precoding has been recognized as a promising technology to combat the path loss of millimeter wave signals in massive multiple-input multiple-output (MIMO) systems. However, due to the joint optimization of the digital and analog…

信号处理 · 电气工程与系统科学 2019-04-12 Ling Zhang , Lin Gui , Kai Ying , Qibo Qin

The space limitation and the channel acquisition prevent Massive MIMO from being easily deployed in a practical setup. Motivated by current deployments of LTE-Advanced, the use of multi-polarized antennas can be an efficient solution to…

信息论 · 计算机科学 2015-01-13 Jaehyun Park , Bruno Clerckx

Benefitting from the vast spatial degrees of freedom, the amalgamation of integrated sensing and communication (ISAC) and massive multiple-input multiple-output (MIMO) is expected to simultaneously improve spectral and energy efficiencies…

信息论 · 计算机科学 2024-01-18 Ruoyu Zhang , Lei Cheng , Shuai Wang , Yi Lou , Yulong Gao , Wen Wu , Derrick Wing Kwan Ng

Integrated sensing and communication (ISAC) is a pivotal component of sixth-generation (6G) wireless networks, leveraging high-frequency bands and massive multiple-input multiple-output (M-MIMO) to deliver both high-capacity communication…

信息论 · 计算机科学 2025-08-07 Wenhao Hu , Zhenyao He , Wei Xu , Yongming Huang , Derrick Wing Kwan Ng , Naofal Al-Dhahir

Integrated sensing and communication (ISAC) has been recognized as a key enabler and feature of future wireless networks. In the existing works analyzing the performances of ISAC, discrete-time systems were commonly assumed, which, however,…

信息论 · 计算机科学 2024-07-08 Zhouyuan Yu , Xiaoling Hu , Chenxi Liu , Mugen Peng

This paper explores the energy efficiency (EE) of integrated sensing and communication (ISAC) systems employing massive multiple-input multiple-output (mMIMO) techniques to leverage spatial beamforming gains for both communication and…

This paper investigates a movable antenna (MA)-assisted multiuser integrated sensing and communication (ISAC) system, where the base station (BS) and communication users are all equipped with MA for improving both the sensing and…

信号处理 · 电气工程与系统科学 2024-07-17 Haoran Qin , Wen Chen , Qingqing Wu , Ziheng Zhang , Zhendong Li , Nan Cheng

Integrated sensing and communication (ISAC) emerges as a promising technology for B5G/6G, particularly in the millimeter-wave (mmWave) band. However, the widely utilized hybrid architecture in mmWave systems compromises multiplexing gain…

信号处理 · 电气工程与系统科学 2025-02-20 Boxun Liu , Shijian Gao , Zonghui Yang , Xiang Cheng , Liuqing Yang

Diffusive molecular communications (DiMC) have recently gained attention as a candidate for nano- to micro- and macro-scale communications due to its simplicity and energy efficiency. As signal propagation is solely enabled by Brownian…

信息论 · 计算机科学 2021-01-11 Mustafa Can Gursoy , Masoumeh Nasiri-Kenari , Urbashi Mitra

Centralized baseband processing (CBP) is required to achieve the full potential of massive multiple-input multiple-output (MIMO) systems. However, due to the large number of antennas, CBP suffers from two major issues: 1) Tremendous data…

信息论 · 计算机科学 2025-01-31 Zeyan Zhuang , Xin Zhang , Dongfang Xu , Shenghui Song , Yonina C. Eldar

To achieve high performance without substantial overheads associated with channel state information (CSI) of ground users, we consider a fixed-beam precoding approach, where a satellite forms multiple fixed-beams without relying on CSI,…

信息论 · 计算机科学 2025-05-22 Seyong Kim , Jinseok Choi , Wonjae Shin , Namyoon Lee , Jeonghun Park

We consider a downlink multiuser massive MIMO system comprising multiple heterogeneous base stations with hybrid precoding architectures. To enhance the energy efficiency of the network, we propose a novel coordinated hybrid precoding…

信号处理 · 电气工程与系统科学 2019-08-12 Ganapati Hegde , Christos Masouros , Marius Pesavento

Integrated sensing and communication (ISAC), as a technology enabled seamless connection between communication and sensing, is regarded a core enabling technology for these applications. However, the accuracy of single-node sensing in ISAC…

信号处理 · 电气工程与系统科学 2025-07-01 Haotian Liu , Zhiqing Wei , Luyang Sun , Ruizhong Xu , Yixin Zhang , Zhiyong Feng

An integrated sensing and backscatter communication (ISABC) system is introduced herein. This system features a full-duplex (FD) base station (BS) that seamlessly merges sensing with backscatter communication and supports multiple users.…

信号处理 · 电气工程与系统科学 2025-01-30 Diluka Galappaththige , Shayan Zargari , Chintha Tellambura , Geoffrey Ye Li

This paper investigates the cell-free multi-user integrated sensing and communication (ISAC) system, where multiple base stations collaboratively track the users and detect their signals. Moreover, reconfigurable intelligent surfaces (RISs)…

信号处理 · 电气工程与系统科学 2026-02-23 Weifeng Zhu , Junyuan Gao , Shuowen Zhang , Meixia Tao , Liang Liu

In the cell-free massive multiple-input multiple-output (CF mMIMO) system, the centralized transmission scheme is widely adopted to manage the inter-user interference. Unfortunately, its implementation is limited by the extensive signaling…

信号处理 · 电气工程与系统科学 2022-08-02 Hongkang Yu , Xinquan Ye , Yijian Chen

Integrated Sensing and Communication (ISAC) emerges as a promising technology for B5G/6G, particularly in the millimeter-wave (mmWave) band. However, the widespread adoption of hybrid architecture in mmWave systems compromises multiplexing…

信号处理 · 电气工程与系统科学 2024-03-18 Boxun Liu , Shijian Gao , Zonghui Yang , Xiang Cheng

In this paper, we explore a cooperative integrated sensing and communication (ISAC) framework that utilizes orthogonal frequency division multiplexing (OFDM) waveforms. Under the control of a central processing unit (CPU), multiple access…

信号处理 · 电气工程与系统科学 2026-02-25 Zihuan Wang , Vincent W. S. Wong , Robert Schober

The integrated sensing and communication (ISAC) system under multi-input multi-output (MIMO) architecture achieves dual functionalities of sensing and communication on the same platform by utilizing spatial gain, which provides a feasible…

信号处理 · 电气工程与系统科学 2024-07-09 Yangyang Niu , Zhiqing Wei , Dingyou Ma , Xiaoyu Yang , Huici Wu , Zhiyong Feng , Jianhua Yuan

Integrated Sensing and Communication (ISAC) systems raise unprecedented challenges regarding security and privacy since related applications involve the gathering of sensitive, identifiable information about people and the environment,…

信号处理 · 电气工程与系统科学 2025-10-06 Henrik Åkesson , Marco Gomes , Diana Pamela Moya Osorio