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A novel multistatic multiple-input multiple-output (MIMO) integrated sensing and communication (ISAC) system in cellular networks is proposed. It can make use of widespread base stations (BSs) to perform cooperative sensing in wide area.…

信号处理 · 电气工程与系统科学 2023-05-23 Zixiang Han , Lincong Han , Xiaozhou Zhang , Yajuan Wang , Liang Ma , Mengting Lou , Jing Jin , Guangyi Liu

Reconfigurable intelligent surface (RIS) is very promising for wireless networks to achieve high energy efficiency, extended coverage, improved capacity, massive connectivity, etc. To unleash the full potentials of RIS-aided communications,…

信息论 · 计算机科学 2022-01-03 Yabo Guo , Peng Sun , Zhengdao Yuan , Chongwen Huang , Qinghua Guo , Zhongyong Wang , Chau Yuen

To support cooperative perception (CP) of networked mobile agents in dynamic scenarios, the efficient and robust transmission of sensory data is a critical challenge. Deep learning-based joint source-channel coding (JSCC) has demonstrated…

信号处理 · 电气工程与系统科学 2025-09-03 Sijiang Li , Rongqing Zhang , Xiang Cheng , Jian Tang

This letter investigates the secure communication in a reconfigurable intelligent surface (RIS)-aided multiuser massive multiple-input multiple-output (MIMO) system exploiting artificial noise (AN). We first derive a closed-form expression…

信息论 · 计算机科学 2023-01-11 Dan Yang , Jindan Xu , Wei Xu , Yongming Huang , Zhaohua Lu

While visuomotor policy learning has advanced robotic manipulation, precisely executing contact-rich tasks remains challenging due to the limitations of vision in reasoning about physical interactions. To address this, recent work has…

机器人学 · 计算机科学 2024-10-29 Venkatesh Pattabiraman , Yifeng Cao , Siddhant Haldar , Lerrel Pinto , Raunaq Bhirangi

We investigate a general channel estimation problem in the massive multiple-input multiple-output (MIMO) system which employs the hybrid analog/digital precoding structure with limited radio-frequency (RF) chains. By properly designing RF…

信息论 · 计算机科学 2017-12-27 Leyuan Pan , Le Liang , Wei Xu , Xiaodai Dong

This work analyzes the performance of an underlay cognitive radio based decode-and-forward mixed multiple-input multiple-output (MIMO) radio frequency/free space optical (RF/FSO) cooperative relay system with multiple mobile secondary and…

信息论 · 计算机科学 2018-05-16 Neeraj Varshney , Aditya K. Jagannatham , Pramod K. Varshney

This paper focuses on advancing outdoor wireless systems to better support ubiquitous extended reality (XR) applications, and close the gap with current indoor wireless transmission capabilities. We propose a hybrid knowledge-data driven…

信号处理 · 电气工程与系统科学 2023-07-24 Zhen Gao , Shicong Liu , Yu Su , Zhongxiang Li , Dezhi Zheng

Large-scale multiple-input and multiple-output (MIMO) systems are capable of achieving high date rate. However, given the high hardware cost and excessive power consumption of massive MIMO systems, as a remedy, intelligent metasurfaces have…

信息论 · 计算机科学 2024-05-17 Qingchao Li , Mohammed El-Hajjar , Chao Xu , Jiancheng An , Chau Yuen , Lajos Hanzo

Massive MIMO (Multiple-Input Multiple-Output) is an advanced wireless communication technology, using a large number of antennas to improve the overall performance of the communication system in terms of capacity, spectral, and energy…

信息论 · 计算机科学 2025-01-06 Ferhat Ozgur Catak , Murat Kuzlu , Umit Cali

Obtaining accurate channel state information (CSI) is crucial and challenging for multiple-input multiple-output (MIMO) wireless communication systems. Conventional channel estimation method cannot guarantee the accuracy of mobile CSI while…

信号处理 · 电气工程与系统科学 2022-07-25 Zhuoran Xiao , Zhaoyang Zhang , Zirui Chen , Zhaohui Yang , Richeng Jin

The Internet of Bio-nano Things is a significant development for next generation communication technologies. Because conventional wireless communication technologies face challenges in realizing new applications (e.g., in-body area networks…

信息论 · 计算机科学 2021-07-06 Bon-Hong Koo , Changmin Lee , Ali E. Pusane , Tuna Tugcu , Chan-Byoung Chae

Massive multiple-input multiple-output (mMIMO) regime reaps the benefits of spatial diversity and multiplexing gains, subject to precise channel state information (CSI) acquisition. In the current communication architecture, the downlink…

信息论 · 计算机科学 2022-08-26 Muhammad Karam Shehzad , Luca Rose , Stefan Wesemann , Mohamad Assaad , Syed Ali Hassan

3-dimensional Multiple-Input Multiple-Output (3D MIMO) systems have received great interest recently because of the spatial diversity advantage and capability for full-dimensional beamforming, making them promising candidates for practical…

In this paper, the channel of an indoor holographic multiple-input multiple-output (MIMO) system is measured. It is demonstrated through experiments for the first time that the spatial oversampling of holographic MIMO systems is able to…

信息论 · 计算机科学 2023-01-16 Tengjiao Wang , Yongxi Liu , Ming Zhang , Wei E. I. Sha , Cen Ling , Chao Li , Shaobo Wang

Predicting human motion is critical for assistive robots and AR/VR applications, where the interaction with humans needs to be safe and comfortable. Meanwhile, an accurate prediction depends on understanding both the scene context and human…

计算机视觉与模式识别 · 计算机科学 2022-07-20 Yang Zheng , Yanchao Yang , Kaichun Mo , Jiaman Li , Tao Yu , Yebin Liu , C. Karen Liu , Leonidas J. Guibas

Deafblind people have both hearing and visual impairments, which makes communication with other people often dependent on expensive technologies e.g., Braille displays, or on caregivers acting as interpreters. This paper presents Morse I/O…

人机交互 · 计算机科学 2022-05-11 David C. Kutner , Sunčica Hadžidedić

Multiple-input multiple-output (MIMO) signaling is one of the key technologies of current mobile communication systems. However, the complex and expensive radio frequency (RF) chains have always limited the increase of MIMO scale. In this…

Holographic multiple-input multiple-output (MIMO) systems constitute a promising technology in support of next-generation wireless communications, thus paving the way for a smart programmable radio environment. However, despite its…

信息论 · 计算机科学 2024-05-28 Yuanbin Chen , Ying Wang , Zhaocheng Wang , Ping Zhang

Massive MIMO basestations, operating with frequency-division duplexing (FDD), require the users to feedback their channel state information (CSI) in order to design the precoding matrices. Given the powerful capabilities of deep neural…

信息论 · 计算机科学 2024-01-17 Yu Zhang , Ahmed Alkhateeb