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This letter presents a comprehensive framework analyzing the asymptotic error performance of a multiple-input-multiple-output (MIMO) wireless system employing spatial modulation (SM) with maximum likelihood detection and perfect channel…

信息论 · 计算机科学 2014-06-02 Kostas P. Peppas , Martin Zamkotsian , Fotis Lazarakis , Panayotis G. Cottis

In this paper, we consider a fundamental problem in modern digital communications known as multi-input multi-output (MIMO) detection, which can be formulated as a complex quadratic programming problem subject to unit-modulus and discrete…

最优化与控制 · 数学 2018-12-27 Cheng Lu , Ya-Feng Liu , Wei-Qiang Zhang , Shuzhong Zhang

In this article, we introduce a novel algorithm for efficient near-field synthetic aperture radar (SAR) imaging for irregular scanning geometries. With the emergence of fifth-generation (5G) millimeter-wave (mmWave) devices, near-field SAR…

信号处理 · 电气工程与系统科学 2023-05-04 Josiah Smith , Murat Torlak

Range profiling refers to the measurement of target response along the radar slant range. It plays an important role in automatic target recognition. In this paper, we consider the design of transmit waveform to improve the range profiling…

信号处理 · 电气工程与系统科学 2021-03-19 Bo Tang , Jun Liu , Hai Wang , Yihua Hu

Coordination of multi-robot systems (MRSs) relies on efficient sensing and reliable communication among the robots. However, the sensors and communication channels of these robots are often vulnerable to cyberattacks and faults, which can…

机器人学 · 计算机科学 2025-12-10 Vishnu Vijay , Kartik A. Pant , Minhyun Cho , Yifan Guo , James M. Goppert , Inseok Hwang

In this paper, we investigate the problem of jointly optimizing the waveform covariance matrix and the antenna position vector for multiple-input-multiple-output (MIMO) radar systems to approximate a desired transmit beampattern as well as…

信号处理 · 电气工程与系统科学 2019-12-03 Arindam Bose , Shahin Khobahi , Mojtaba Soltanalian

In this paper, we exploit the spiked covariance structure of the clutter plus noise covariance matrix for radar signal processing. Using state-of-the-art techniques high dimensional statistics, we propose a nonlinear shrinkage-based…

信号处理 · 电气工程与系统科学 2023-02-07 Shashwat Jain , Vikram Krishnamurthy , Muralidhar Rangaswamy , Bosung Kang , Sandeep Gogineni

Conventional radar transmits electromagnetic waves towards the targets of interest. In between the outgoing pulses, the radar measures the signal reflected from the targets to determine their presence, range, velocity and other…

信号处理 · 电气工程与系统科学 2018-12-05 Deborah Cohen , Yonina C. Eldar

Efficient implementation of massive multiple-input-multiple-output (MIMO) transceivers is essential for the next-generation wireless networks. To reduce the high computational complexity of the massive MIMO transceiver, in this paper, we…

信息论 · 计算机科学 2024-11-15 Yiming Fang , Li Chen , Yunfei Chen , Huarui Yin

We investigate the task and motion planning problem of clearing clutter from a workspace with limited ingress/egress access for multiple robots. We call the problem multi-robot clutter removal (MRCR). Targeting practical applications where…

机器人学 · 计算机科学 2020-07-10 Wei N. Tang , Shuai D. Han , Jingjin Yu

In a typical MIMO radar scenario, transmit nodes transmit orthogonal waveforms, while each receive node performs matched filtering with the known set of transmit waveforms, and forwards the results to the fusion center. Based on the data it…

信息论 · 计算机科学 2018-03-06 Shunqiao Sun , Waheed U. Bajwa , Athina P. Petropulu

In this paper, we propose a movable antenna (MA)-enabled frequency-hopping (FH) multiple-input multiple-output (MIMO) radar system and investigate its sensing resolution. Specifically, we derive the expression of the ambiguity function and…

信号处理 · 电气工程与系统科学 2025-03-07 Xiang Chen , Ming-Min Zhao , Min Li , Liyan Li , Min-Jian Zhao , Jiangzhou Wang

A cognitive beamforming algorithm for colocated MIMO radars, based on Reinforcement Learning (RL) framework, is proposed. We analyse an RL-based optimization protocol that allows the MIMO radar, i.e. the \textit{agent}, to iteratively sense…

信号处理 · 电气工程与系统科学 2018-11-07 Li Wang , Stefano Fortunati , Maria Sabrina Greco , Fulvio Gini

Multiple-input multiple-output (MIMO) radar systems have been shown to achieve superior resolution as compared to traditional radar systems with the same number of transmit and receive antennas. This paper considers a distributed MIMO radar…

信息论 · 计算机科学 2016-11-15 Yao Yu , Athina P. Petropulu , H. Vincent Poor

Driven by the growing demand for higher spectral efficiency in wireless communications, intelligent reflecting surfaces (IRS) have attracted considerable attention for their ability to dynamically reconfigure the propagation environment.…

信息论 · 计算机科学 2025-10-31 Fuying Li , Yajun Wang , Zhuxian Lian , Wen Chen

We propose a new technique for multiple-input multiple-output (MIMO) radar with colocated antennas which we call phased-MIMO radar. The new technique enjoys the advantages of MIMO radar without sacrificing the main advantage of phased-array…

信息论 · 计算机科学 2015-05-13 Aboulnasr Hassanien , Sergiy A. Vorobyov

We consider the detection of binary (antipodal) signals transmitted in a spatially multiplexed fashion over a fading multiple-input multiple-output (MIMO) channel and where the detection is done by means of semidefinite relaxation (SDR).…

信息论 · 计算机科学 2007-07-13 J. Jalden , B. Ottersten

Recently, frequency-modulated continuous wave (FMCW) radars with array antennas are gaining in popularity on a wide variety of commercial applications. A usual approach of the range and angle estimation of a target with an array FMCW radar…

信号处理 · 电气工程与系统科学 2018-11-19 Junghoon Kim , Joohwan Chun , Sungchan Song

This paper proposes rollable latent space (RLS) for an azimuth invariant synthetic aperture radar (SAR) target recognition. Scarce labeled data and limited viewing direction are critical issues in SAR target recognition.The RLS is a…

计算机视觉与模式识别 · 计算机科学 2018-04-23 Kazutoshi Sagi , Takahiro Toizumi , Yuzo Senda

Multiple-input-multiple-output (MIMO) millimeter-wave (mmWave) sensors for synthetic aperture radar (SAR) and inverse SAR (ISAR) address the fundamental challenges of cost-effectiveness and scalability inherent to near-field imaging. In…

信号处理 · 电气工程与系统科学 2023-05-04 Josiah W. Smith , Muhammet Emin Yanik , Murat Torlak