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Wireless communication is the fastest growing area of the communication industry. To keep swiftness with the indefinite increase in customers' demands and expectations, and the market competition among companies for the services…

网络与互联网体系结构 · 计算机科学 2012-04-27 Shrikrishan Yadav , Shuchi Jani , B. L. Pal

Integrated nonlinear photonic technologies, even with state-of-the-art fabrication with only a few nanometer geometry variations, face significant challenges in achieving wafer-scale yield of functional devices. A core limitation lies in…

With the rapid development of various services in wireless communications, spectrum resource has become increasingly valuable. Faster than Nyquist (FTN) signaling, proposed in the 1970s, is a promising paradigm for improving spectrum…

信号处理 · 电气工程与系统科学 2023-01-20 Peiyang Song , Nan Zhang , Lin Cai , Guo Li , Fengkui Gong

This paper investigates double RIS-assisted MIMO communication systems over Rician fading channels with finite scatterers, spatial correlation, and the existence of a double-scattering link between the transceiver. First, the statistical…

信息论 · 计算机科学 2023-09-11 Ha An Le , Trinh Van Chien , Van Duc Nguyen , Wan Choi

This paper is concerned with the proportional fairness (PF) of the spectral efficiency (SE) maximization of uplinks in a cell-free (CF) massive multiple-input multiple-output (MIMO) system in which a large number of single-antenna access…

信息论 · 计算机科学 2021-10-18 Viet Quoc Pham , Ha Hoang Kha , Le Ty Khanh

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

We perform an asymptotic study of the performance of filter bank multicarrier (FBMC) in the context of massive multi-input multi-output (MIMO). We show that the effects of channel distortions, i.e., intersymbol interference and intercarrier…

信息论 · 计算机科学 2018-08-01 Amir Aminjavaheri , Arman Farhang , Behrouz Farhang-Boroujeny

Massive MIMO systems are typically designed assuming linear power amplifiers (PAs). However, PAs are most energy efficient close to saturation, where non-linear distortion arises. For conventional precoders, this distortion can coherently…

信息论 · 计算机科学 2023-12-11 Thomas Feys , Liesbet Van der Perre , François Rottenberg

Real-time frequency measurement for non-repetitive and statistically rare signals are challenging problems in the electronic measurement area, which places high demands on the bandwidth, sampling rate, data processing and transmission…

信号处理 · 电气工程与系统科学 2023-08-21 Ruiyuan Ming , Peng Ye , Kuojun Yang , Zhixiang Pan , ChenYang Li , Chuang Huang

This letter considers a fluid antenna system (FAS)-aided rate-splitting multiple access (RSMA) approach for downlink transmission. In particular, a base station (BS) equipped with a single traditional antenna system (TAS) uses RSMA…

The Internet of things (IoT) holds much commercial potential and could facilitate distributed multiple-input multiple-output (MIMO) communication in future systems. We study a distributed reception scenario in which a transmitter equipped…

信息论 · 计算机科学 2014-09-30 Junil Choi , David J. Love , D. Richard Brown , Mireille Boutin

In this paper, efficient turbo packet combining for single carrier (SC) broadband multiple-input--multiple-output (MIMO) hybrid--automatic repeat request (ARQ) transmission with unknown co-channel interference (CCI) is studied. We propose a…

信息论 · 计算机科学 2015-03-13 Tarik Ait-Idir , Houda Chafnaji , Samir Saoudi

Massive multiple-input-multiple-output (MIMO) transmission is a promising technology to improve the capacity and reliability of wireless systems. However, the number of antennas that can be equipped at a base station (BS) is limited by the…

信息论 · 计算机科学 2018-05-02 Qurrat-Ul-Ain Nadeem , Abla Kammoun , Mérouane Debbah , and Mohamed-Slim Alouini

In this paper, we consider a MIMO networked control system (NCS) in which a sensor amplifies and forwards the observed MIMO plant state to a remote controller via a MIMO fading channel. We focus on the MIMO amplify-and-forward (AF)…

信息论 · 计算机科学 2020-03-10 Fan Zhang , Vincent K. N. Lau , Gong Zhang

In this paper, we propose a novel symbol-level precoding (SLP) method for a multi-user multi-input multi-output (MU-MIMO) downlink Integrated Sensing and Communications (ISAC) system based on faster-than-Nyquist (FTN) signaling. Our method…

信号处理 · 电气工程与系统科学 2023-04-07 Zihan Liao , Fan Liu

While multiple-input multiple-output (MIMO) technologies continue to advance, concerns arise as to how MIMO can remain scalable if more users are to be accommodated with an increasing number of antennas at the base station (BS) in the…

信号处理 · 电气工程与系统科学 2026-02-03 Yuanjun Shen , Boyi Tang , Shuai Gao , Kin-Fai Tong , Hang Wong , Kai-Kit Wong , Yangyang Zhang

With the development of the upcoming sixth-generation (6G) wireless networks, there is a pressing need for innovative technologies capable of satisfying heightened performance indicators. Fluid antenna system (FAS) is proposed recently as a…

信号处理 · 电气工程与系统科学 2026-01-12 Yuqi Ye , Li You , Hao Xu , Ahmed Elzanaty , Kai-Kit Wong , Xiqi Gao

To explain individual differences in development, behavior, and cognition, most previous studies focused on projecting resting-state functional MRI (fMRI) based functional connectivity (FC) data into a low-dimensional space via linear…

神经元与认知 · 定量生物学 2018-11-01 Li Xiao , Julia M. Stephen , Tony W. Wilson , Vince D. Calhoun , Yu-Ping Wang

This letter considers a fluid antenna system (FAS)-aided secure and covert communication system, where the transmitter adjusts multiple fluid antennas' positions to achieve secure and covert transmission under the threat of an eavesdropper…

信号处理 · 电气工程与系统科学 2024-11-15 Junteng Yao , Liangxiao Xin , Tuo Wu , Ming Jin , Kai-Kit Wong , Chau Yuen , Hyundong Shin

Presence of multiple antennas on both sides of a communication channel promises significant improvements in system throughput and power efficiency. In effect, a new class of large multiple-input multiple-output (MIMO) communication systems…

信息论 · 计算机科学 2014-01-28 Maksym A. Girnyk , Mikko Vehkaperä , Lars K. Rasmussen