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相关论文: Simultaneous Near-Field THz Communications and Sen…

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This paper presents an in-band Full Duplex (FD) integrated sensing and communications system comprising a holographic Multiple-Input Multiple-Output (MIMO) base station, which is capable to simultaneously communicate with multiple users in…

信息论 · 计算机科学 2023-08-08 Ioannis Gavras , Md Atiqul Islam , Besma Smida , George C. Alexandropoulos

The in-band Full Duplex (FD) technology is lately gaining attention as an enabler for the emerging paradigm of Integrated Sensing and Communications (ISAC), which envisions seamless integration of sensing mechanisms for unconnected entities…

信息论 · 计算机科学 2025-07-18 George C. Alexandropoulos , Ioannis Gavras

In this paper, we present a simultaneous target tracking and multi-user communications system realized by a full duplex holographic Multiple-Input Multiple-Output (MIMO) node equipped with Dynamic Metasurface Antennas (DMAs) at both its…

信息论 · 计算机科学 2024-01-23 Ioannis Gavras , George C. Alexandropoulos

We consider a bi-directional Full-Duplex (FD) Multiple-Input Multiple-Output (MIMO) communication system in which nodes are capable of performing transitter (TX)- Receiver (RX) digital precoding/combining and multi-tap analog cancellation,…

信息论 · 计算机科学 2018-09-25 Hiroki Iimori , Giuseppe Abreu , George C. Alexandropoulos

Extremely large-scale multiple-input multiple-output (XL-MIMO) is expected to be an important technology in future sixth generation (6G) networks. Compared with conventional single-polarized XL-MIMO, where signals are transmitted and…

信息论 · 计算机科学 2025-02-21 Shuhao Zeng , Boya Di , Hongliang Zhang , Zhu Han , H. Vincent Poor

In-band Full-Duplex (FD) Multiple-Input Multiple-Output (MIMO) systems offer a significant opportunity for Integrated Sensing and Communications (ISAC) due to their capability to realize simultaneous signal transmissions and receptions.…

信息论 · 计算机科学 2024-10-10 Besma Smida , George C. Alexandropoulos , Taneli Riihonen , Md Atiqul Islam

Extremely large-scale multiple-input multiple-output (XL-MIMO) is a promising technology for the sixth-generation (6G) mobile communication networks. By significantly boosting the antenna number or size to at least an order of magnitude…

We consider a wireless network comprising multiple singleantenna repeaters that amplify and instantaneously re-transmit received signals in a full-duplex (FD) communication setting. Specifically, we study a massive multiple-input multiple…

Integrated Sensing and Communications (ISAC) is a promising technology for future wireless networks, enabling simultaneous communication and sensing using shared resources. This paper investigates the performance of full-duplex (FD)…

信号处理 · 电气工程与系统科学 2025-08-21 Ahsan Nazar , Zhambyl Shaikhanov , Sennur Ulukus

Extremely large-scale multiple-input multipleoutput (XL-MIMO) is believed to be a cornerstone of sixth-generation (6G) wireless networks. XL-MIMO uses more antennas to both achieve unprecedented spatial degrees of freedom (DoFs) and exploit…

信号处理 · 电气工程与系统科学 2024-07-16 Hao Lei , Jiayi Zhang , Zhe Wang , Huahua Xiao , Bo Ai , Emil Björnson

Extremely large-scale multiple-input multiple-output (XL-MIMO) is regarded as one of the key techniques to enhance the performance of future wireless communications. Different from regular MIMO, the XL-MIMO shifts part of the communication…

信息论 · 计算机科学 2024-10-16 Kangjian Chen , Chenhao Qi , Jingjia Huang , Octavia A. Dobre , Geoffrey Ye Li

We consider two-way amplify and forward relaying, where multiple full-duplex user pairs exchange information via a shared full-duplex massive multiple-input multiple-output (MIMO) relay. We derive closed-form lower bound for the spectral…

信息论 · 计算机科学 2017-10-04 Ekant Sharma , Rohit Budhiraja , K Vasudevan

The increasingly demanding objectives for next generation wireless communications have spurred recent research activities on multi-antenna transceiver hardware architectures and relevant intelligent communication schemes. Among them belong…

信息论 · 计算机科学 2022-05-18 George C. Alexandropoulos , Md Atiqul Islam , Besma Smida

This paper investigates the design of channel estimation and 3D localization algorithms in a challenging scenario, where a sub-connected planar extremely large-scale multiple-input multiple-output (XL-MIMO) communicates with multi-antenna…

信号处理 · 电气工程与系统科学 2025-10-24 Kangda Zhi , Tianyu Yang , Songyan Xue , Giuseppe Caire

Wireless communications and sensing at terahertz (THz) band are increasingly investigated as promising short-range technologies because of the availability of high operational bandwidth at THz. In order to address the extremely high…

信号处理 · 电气工程与系统科学 2021-12-15 Ahmet M. Elbir , Kumar Vijay Mishra , Symeon Chatzinotas

In this paper, we study Full Duplex (FD) Multiple-Input Multiple-Output (MIMO) radios for simultaneous data communication and control information exchange. Capitalizing on a recently proposed FD MIMO architecture combining digital transmit…

信息论 · 计算机科学 2020-03-17 Md Atiqul Islam , George C. Alexandropoulos , Besma Smida

The combination of Terahertz (THz) and massive multiple-input multiple-output (MIMO) is promising to meet the increasing data rate demand of future wireless communication systems thanks to the huge bandwidth and spatial degrees of freedom.…

信息论 · 计算机科学 2024-08-14 Jiabao Gao , Xiaoming Cheng , Geoffrey Ye Li

Extremely large-scale multiple-input multiple-output (XL-MIMO) is the development trend of future wireless communications. However, the extremely large-scale antenna array could bring inevitable nearfield and dual-wideband effects that…

信息论 · 计算机科学 2024-09-13 Jie Xu , Li You , George C. Alexandropoulos , Xinping Yi , Wenjin Wang , Xiqi Gao

In this paper, we study the problem of extremely large (XL) multiple-input multiple-output (MIMO) channel estimation in the terahertz (THz) frequency band, considering the presence of propagation delays across the entire array apertures at…

信息论 · 计算机科学 2024-07-09 Evangelos Vlachos , Aryan Kaushik , Yonina C. Eldar , George C. Alexandropoulos

A two-stage hybrid transceiver is designed by considering a partially connected architecture at the base station (BS) for a low-resolution multi-user (MU) THz massive multiple input multiple output (MIMO) system. Due to its high bandwidth…

信号处理 · 电气工程与系统科学 2026-03-11 Abhisha Garg , Akash Kumar , Suraj Srivastava , Aditya K. Jagannatham , Lajos Hanzo
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