中文
相关论文

相关论文: A Convex Hull Based Approach for MIMO Radar Wavefo…

200 篇论文

Distributed phased Multiple-Input Multiple-Output (phased-MIMO) radar systems have attracted wide attention in target detection and tracking. However, the phase-shifting circuits in phased subarrays contribute to high power consumption and…

信号处理 · 电气工程与系统科学 2025-04-18 Qian Li , Ziang Yang , Dou Li , Hongliang Zhang

This paper investigates constructive interference (CI)-based waveform design for phase shift keying and quadrature amplitude modulation symbols under relaxed block-level power constraints in multi-user multiple-input single-output (MU-MIMO)…

信号处理 · 电气工程与系统科学 2025-08-07 Xiao Tong , Lei Lei , Ang Li , A. Lee Swindlehurst , Symeon Chatzinotas

A hybrid transmit precoder (TPC) and receive combiner (RC) pair is conceived for millimeter wave (mmWave) multiple input multiple output (MIMO) integrated sensing and communication (ISAC) systems. The proposed design considers a practical…

信号处理 · 电气工程与系统科学 2025-06-06 Jitendra Singh , Anand Mehrotra , Suraj Srivastava , Aditya K. Jagannatham , Lajos Hanzo

Frequency-hopping (FH) MIMO radar-based dual-function radar communication (FH-MIMO DFRC) enables communication symbol rate to exceed radar pulse repetition frequency, which requires accurate estimations of timing offset and channel…

信号处理 · 电气工程与系统科学 2021-05-31 Kai Wu , J. Andrew Zhang , Xiaojing Huang , Y. Jay Guo , Robert W. Heath

We address the problem of linear precoder (beamformer) design in a multiple-input multiple-output interference channel (MIMO-IC). The aim is to design the transmit covariance matrices in order to achieve max-min utility fairness for all…

信号处理 · 电气工程与系统科学 2019-08-05 Mohammad Mahdi Naghsh , Maryam Masjedi , Arman Adibi , Petre Stoica

We present a novel approach to the problem of dual-functional radar and communication (DFRC) waveform design with adjustable peak-to-average power ratio (PAPR), while minimizing the multi-user communication interference and maintaining a…

信号处理 · 电气工程与系统科学 2023-02-28 Ahmad Bazzi , Marwa Chafii

Although routinely utilized in literature, orthogonal waveforms may lose orthogonality in distributed multi-input multi-output (MIMO) radar with spatially separated transmit (TX) and receive (RX) antennas, as the waveforms may experience…

信号处理 · 电气工程与系统科学 2021-08-04 Hongbin Li , Fangzhou Wang , Cengcang Zeng , Mark A. Govoni

In this paper we provide three contributions to the field of channel sounding waveform design in asynchronous Multi-user (MU) MIMO systems. The first contribution is a derivation of the asynchronous MU-MIMO model and the conditions that the…

信息论 · 计算机科学 2013-02-20 Zhenhua Yu , Robert J. Baxley , Brett T. Walkenhorst , G. Tong Zhou

In multi-user millimeter wave (mmWave) multiple-input-multiple-output (MIMO) systems, hybrid precoding is a crucial task to lower the complexity and cost while achieving a sufficient sum-rate. Previous works on hybrid precoding were usually…

信号处理 · 电气工程与系统科学 2020-04-28 Ahmet M. Elbir , Anastasios Papazafeiropoulos

Hybrid digital and analog beamforming is a highly effective technique for implementing beamforming methods in millimeter wave (mmWave) systems. It provides a viable solution to replace the complex fully digital beamforming techniques.…

信息论 · 计算机科学 2025-09-30 Rohollah Vahdani , S. Mohammad Razavizadeh

The goal of this chapter is to review the recent work and advances in the area of space-time beamforming algorithms and their application to radar systems. These systems include phased-array \cite{melvin} and multi-input multi-output (MIMO)…

信息论 · 计算机科学 2013-02-12 Rodrigo C. de Lamare

This letter focuses on the non-convex joint optimization with a dynamic resource of multi-user for an intelligent reflecting surface-enhanced mmWave system, where all users are concentrated on the unique cluster beam. Firstly, the objective…

信号处理 · 电气工程与系统科学 2020-11-18 Qingfeng Ding , Xinpeng Gao , Zexiang Wu

Hybrid beamforming is an emerging technology for massive multiple-input multiple-output (MIMO) systems due to the advantages of lower complexity, cost, and power consumption. Recently, intelligent reflection surface (IRS) has been proposed…

信号处理 · 电气工程与系统科学 2024-04-26 Jeongjae Lee , Songnam Hong

We investigate the problem of persistent monitoring, where a mobile agent has to survey multiple targets in an environment in order to estimate their internal states. These internal states evolve with linear stochastic dynamics and the…

系统与控制 · 电气工程与系统科学 2021-04-02 Samuel C. Pinto , Sean B. Andersson , Julien M. Hendrickx , Christos G. Cassandras

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

Spectrum congestion and competition over frequency bandwidth could be alleviated by deploying dual-function radar-communications systems, where the radar platform presents itself as a system of opportunity to secondary communication…

信号处理 · 电气工程与系统科学 2018-08-16 Xiangrong Wang , Aboulnasr Hassanien , Moeness Amin

A novel dynamic hybrid beamforming architecture is proposed to achieve the spatial multiplexing-power consumption tradeoff for near-field multiple-input multiple-output (MIMO) networks, where each radio frequency (RF) chain is connected to…

信息论 · 计算机科学 2023-12-27 Zheng Zhang , Yuanwei Liu , Zhaolin Wang , Jian Chen , Tony Q. S. Quek

Reconfigurable intelligent surface (RIS) refers to a signal reflection surface containing a large number of low-cost passive reflecting elements. RIS can improve the performance of radar and communication systems by dynamically modulating…

信号处理 · 电气工程与系统科学 2023-06-16 Da Li , Bo Tang , Xuyang Wang , Wenjun Wu , Lei Xue

Dynamic target detection using FMCW waveform is challenging in the presence of interference for different radar applications. Degradation in SNR is irreparable and interference is difficult to mitigate in time and frequency domain. In this…

信息论 · 计算机科学 2022-04-06 Robin Amar , Mohammad Alaee-Kerahroodi , Prabhu Babu , Bhavani Shankar M. R

Due to their ability to create favorable line-of-sight (LoS) propagation environments, intelligent reflecting surfaces (IRSs) are regarded as promising enablers for future millimeter-wave (mm-wave) wireless communication. In this paper, we…

信息论 · 计算机科学 2021-07-27 Tian Lin , Xianghao Yu , Yu Zhu , Robert Schober