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相关论文: Impact of Spatial Correlation in MIMO Radar

200 篇论文

Movable antenna (MA) has demonstrated great potential in enhancing wireless communication performance. In this paper, we investigate an MA-enabled multiple-input multiple-output (MIMO) communication system with spatial modulation (SM),…

信号处理 · 电气工程与系统科学 2026-01-21 Kaihe Wang , Ran Yang , Lipeng Zhu , Rongyan Xi , Yue Xiu , Zhongpei Zhang

In this paper, we consider a distributed multiple-input multiple-output (MIMO) radar which radiates waveforms with non-ideal cross- and auto-correlation functions and derive a novel subspace-based procedure to detect and localize multiple…

信号处理 · 电气工程与系统科学 2022-12-09 Yangming Lai , Luca Venturino , Emanuele Grossi , Wei Yi

Next generation mobile networks will rely ever more heavily on resource sharing. In this article we study the sharing of radio access network and spectrum among mobile operators. We assess the impact of sharing these two types of resources…

网络与互联网体系结构 · 计算机科学 2017-02-07 Jacek Kibiłda , Nicholas J. Kaminski , Luiz A. DaSilva

In the practical radar with multiple antennas, the antenna imperfections degrade the system performance. In this paper, the problem of estimating the direction of arrival (DOA) in multiple-input and multiple-output (MIMO) radar system with…

信号处理 · 电气工程与系统科学 2022-03-22 Peng Chen , Zhenxin Cao , Zhimin Chen , Xianbin Wang

Modern radars employing wideband signals and extremely large (XL) multiple-input multiple-output (MIMO) arrays can significantly improve range and angular resolution. However, when large bandwidth and array aperture are used simultaneously,…

信号处理 · 电气工程与系统科学 2026-03-17 Chandrashekhar Rai , Dibbendu Roy , Debarati Sen

In this paper, we propose a multiple input multiple output (MIMO) Full-Duplex Integrated Sensing and Communication System consisting of multiple targets, a single downlink, and a single uplink user. We employed signal-to-interference plus…

信号处理 · 电气工程与系统科学 2023-12-19 Muhammad Talha , Besma Smida , Md Atiqul Islam , George C. Alexandropoulos

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

It was recently shown that low rank matrix completion theory can be employed for designing new sampling schemes in the context of MIMO radars, which can lead to the reduction of the high volume of data typically required for accurate target…

信息论 · 计算机科学 2023-07-19 Dionysios S. Kalogerias , Athina P. Petropulu

Multiple-input multiple-output (MIMO) radars offer higher resolution, better target detection, and more accurate target parameter estimation. Due to the sparsity of the targets in space-velocity domain, we can exploit Compressive Sensing…

信息论 · 计算机科学 2016-03-09 Azra Abtahi , M. Modarres-Hashemi , Farokh Marvasti , Foroogh S. Tabataba

Space-time coded massive (STCM) multiple-input multiple-output (MIMO) system provides superior bit error rate (BER) performance compared with the conventional space-time coding and massive MIMO techniques. The transmitter of the STCM-MIMO…

信号处理 · 电气工程与系统科学 2019-03-12 Fatemeh Asghari Azhiri , Reza Abdolee , Behzad Mozaffari Tazehkand

This paper proposes a stochastic geometry framework to analyze the SINR and rate performance in a large-scale uplink massive MIMO network. Based on the model, expressions are derived for spatial average SINR distributions over user and base…

信息论 · 计算机科学 2016-04-05 Tianyang Bai , Robert W. Heath

Multi-modal data is becoming more common in big data background. Finding the semantically similar objects from different modality is one of the heart problems of multi-modal learning. Most of the current methods try to learn the inter-modal…

人工智能 · 计算机科学 2018-09-05 Qibin Zheng , Xingchun Diao , Jianjun Cao , Xiaolei Zhou , Yi Liu , Hongmei Li

While the efficiency of MIMO transmissions in a rich scattering environment has been demonstrated, less is known about the situation where the fading matrix coefficients come from a line-of-sight model. In this paper, we study in detail how…

信息论 · 计算机科学 2013-01-31 Marc Desgroseilliers , Olivier Leveque , Emmanuel Preissmann

We have calculated the Tsallis entropy and Fisher information matrix (entropy) of spatially-correlated nonextensive systems, by using an analytic non-Gaussian distribution obtained by the maximum entropy method. Effects of the correlated…

统计力学 · 物理学 2009-11-13 Hideo Hasegawa

This letter presents simple analytical expressions for the spatial and temporal correlation functions in channels with von Mises-Fisher (vMF) scattering. In contrast to previous results, the expressions presented here are exact and based…

信号处理 · 电气工程与系统科学 2024-12-24 Kenan Turbic , Martin Kasparick , Slawomir Stanczak

We propose a learning technique for MIMO secondary users (SU) to spatially coexist with Primary Users (PU). By learning the null space of the interference channel to the PU, the SU can utilize idle degrees of freedom that otherwise would be…

信息论 · 计算机科学 2012-02-02 Yair Noam , Andrea Goldsmith

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

The use of correlation matrices to evaluate the number of uncorrelated stirrer positions of reverberation chamber has widespread applications in electromagnetic compatibility. We present a comparative study of recent techniques based on…

数据分析、统计与概率 · 物理学 2014-04-28 Gabriele Gradoni , Valter Mariani Primiani , Franco Moglie

Time-division-duplexing massive multiple-input multiple-output (MIMO) systems estimate the channel state information (CSI) by leveraging the uplink-downlink channel reciprocity, which is no longer valid when the mismatch arises from the…

信息论 · 计算机科学 2020-10-01 Rongjiang Nie , Li Chen , Nan Zhao , Yunfei Chen , Weidong Wang , Xianbin Wang

In this paper, we study two important metrics in multiple-input multiple-output (MIMO) time-varying Rayleigh flat fading channels. One is the eigen-mode, and the other is the instantaneous mutual information (IMI). Their second-order…

信息论 · 计算机科学 2007-07-13 Shuangquan Wang , Ali Abdi