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相关论文: Deep-Learning-Based Channel Estimation for IRS-Ass…

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In this paper, we explore the feasibility of using communication signals for extended target (ET) tracking in an integrated sensing and communication (ISAC) system. The ET is characterized by its center range, azimuth, orientation, and…

信号处理 · 电气工程与系统科学 2025-04-02 Yiqiu Wang , Meixia Tao , Shu Sun

We study the problem of interference source identification, through the lens of recognizing one of 15 different channels that belong to 3 different wireless technologies: Bluetooth, Zigbee, and WiFi. We employ deep learning algorithms…

信号处理 · 电气工程与系统科学 2019-05-21 Xiwen Zhang , Tolunay Seyfi , Shengtai Ju , Sharan Ramjee , Aly El Gamal , Yonina C. Eldar

The concept of reconfiguring wireless propagation environments using intelligent reflecting surfaces (IRS)s has recently emerged, where an IRS comprises of a large number of passive reflecting elements that can smartly reflect the impinging…

In wireless communication systems, identifying the number of channel taps offers an enhanced estimation of the channel impulse response (CIR). In this work, efficient identification of the number of wireless channel taps has been achieved…

信号处理 · 电气工程与系统科学 2020-10-21 Ahmad M. Jaradat , Khaled Walid Elgammal , Mehmet Kemal Ozdemir , Huseyin Arslan

Intelligent reflecting surface (IRS) is recognized as an enabler of future dual-function radar-communications (DFRC) by improving spectral efficiency, coverage, parameter estimation, and interference suppression. Prior studies on IRS-aided…

信息论 · 计算机科学 2023-08-11 Tong Wei , Linlong Wu , Kumar Vijay Mishra , M. R. Bhavani Shankar

In this paper, we study the high-resolution channel estimation problem for intelligent reflecting surface (IRS)-assisted millimeter wave (mmWave) multiple-input-multiple-output (MIMO) communications, which is a prerequisite to guarantee…

信号处理 · 电气工程与系统科学 2020-06-23 C. Jia , J. Cheng , H. Gao , W. Xu

Wireless imaging has become a vital function in future integrated sensing and communication (ISAC) systems. However, traditional model-based and data-driven deep learning imaging methods face challenges related to multipath extraction,…

信息论 · 计算机科学 2026-02-13 Yixuan Huang , Jie Yang , Chao-Kai Wen , Shi Jin

This paper investigates an intelligent reflecting surface (IRS) enabled multiuser integrated sensing and communications (ISAC) system, which consists of one multi-antenna base station (BS), one IRS, multiple single-antenna communication…

信号处理 · 电气工程与系统科学 2023-07-03 Xianxin Song , Xiaoqi Qin , Jie Xu , Rui Zhang

In this paper, channel estimation of an active intelligent reflecting surface (IRS) aided uplink Internet of Things (IoT) network is investigated. Firstly, the least square (LS) estimators for the direct channel and the cascaded channel are…

信号处理 · 电气工程与系统科学 2024-07-16 Yan Wang , Feng Shu , Rongen Dong , Wei Gao , Qi Zhang , Jiajia Liu

As the demand for ubiquitous connectivity and high-precision environmental awareness grows, integrated sensing and communication (ISAC) has emerged as a key technology for sixth-generation (6G) wireless networks. Intelligent metasurfaces…

信号处理 · 电气工程与系统科学 2025-12-08 Shunyu Li , Tianqi Mao , Guangyao Liu , Fan Zhang , Ruiqi Liu , Meng Hua , Zhen Gao , Qingqing Wu , George K. Karagiannidis

Integrated sensing and communications (ISAC) is potentially capable of circumventing the limitations of existing frequency-division sensing and communications (FDSAC) techniques. Hence, it has recently attracted significant attention. This…

信息论 · 计算机科学 2022-08-09 Chongjun Ouyang , Yuanwei Liu , Hongwen Yang , Naofal Al-Dhahir

In connected vehicular networks, it is vital to have vehicular nodes that are capable of sensing about surrounding environments and exchanging messages with each other for automating and coordinating purpose. Towards this end, integrated…

信息论 · 计算机科学 2022-05-05 Yao Liu , Min Li , An Liu , Jianmin Lu , Tony Xiao Han

Next-generation wireless technologies such as 6G aim to meet demanding requirements such as ultra-high data rates, low latency, and enhanced connectivity. Extremely Large-Scale MIMO (XL-MIMO) and Reconfigurable Intelligent Surface (RIS) are…

信息论 · 计算机科学 2026-01-01 Muhammad Kamran Saeed , Ashfaq Khokhar , Shakil Ahmed

The great potentials of massive Multiple-Input Multiple-Output (MIMO) in Frequency Division Duplex (FDD) mode can be fully exploited when the downlink Channel State Information (CSI) is available at base stations. However, the accurate CSI…

信息论 · 计算机科学 2024-10-30 Jiajia Guo , Tong Chen , Shi Jin , Geoffrey Ye Li , Xin Wang , Xiaolin Hou

Utilizing intelligent reflecting surface (IRS) was proven to be efficient in improving the energy efficiency for wireless networks. In this paper, we investigate the passive beamforming and channel estimation for IRS assisted wireless…

信息论 · 计算机科学 2021-03-02 Jingnan Li , Rui Wang , Erwu Liu

This paper proposes a machine learning-assisted channel estimation approach for massive MIMO systems, leveraging DNNs to outperform traditional LS and MMSE methods. In 5G and beyond, accurate channel estimation mitigates pilot contamination…

信号处理 · 电气工程与系统科学 2025-10-16 Haoran He

Integrated Sensing and Communication (ISAC) systems enable cellular networks to jointly operate as communication technology and sense the environment. While opportunities and potential performance have been largely investigated in…

信号处理 · 电气工程与系统科学 2025-12-24 Luca Barbieri , Marcus Henninger , Paolo Tosi , Artjom Grudnitsky , Mattia Brambilla , Monica Nicoli , Silvio Mandelli

The reconfigurable intelligent surface (RIS) with low hardware cost and energy consumption has been recognized as a potential technique for future 6G communications to enhance coverage and capacity. To achieve this goal, accurate channel…

信息论 · 计算机科学 2021-01-26 Xiuhong Wei , Decai Shen , Linglong Dai

Integrated Sensing And Communication (ISAC) has been recognized as a promising technology in the 6G communication. A realistic channel model is a prerequisite for designing ISAC systems. Most existing channel models independently generate…

信号处理 · 电气工程与系统科学 2024-09-09 Yameng Liu , Jianhua Zhang , Yuxiang Zhang , Zhiqiang Yuan , Guangyi Liu

Integrated sensing and communication (ISAC) has emerged as a key enabler for sixth-generation (6G) wireless networks, supporting spectrum sharing and hardware integration. Beyond communication enhancement, ISAC also enables high-accuracy…

信号处理 · 电气工程与系统科学 2025-11-10 Haoyang Weng , Haisu Wu , Hong Ren , Cunhua Pan , Jiangzhou Wang
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