中文
相关论文

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

200 篇论文

In radar systems, unimodular (or constant-modulus) waveform design plays an important role in achieving better clutter/interference rejection, as well as a more accurate estimation of the target parameters. The design of such sequences has…

信号处理 · 电气工程与系统科学 2022-08-10 Shahin Khobahi , Arindam Bose , Mojtaba Soltanalian

Spectrum sharing is a new approach to solve the congestion problem in the RF spectrum. A spatial approach for spectrum sharing between a radar and a communication system was proposed, which mitigates the radar interference to communication…

信息论 · 计算机科学 2016-11-17 Awais Khawar , Ahmed Abdelhadi , T. Charles Clancy

In conventional colocated multiple-input multiple-output (MIMO) radars, practical waveform constraints including peak-to-average power ratio, constant or bounded modulus lead to a significant performance reduction of transmit beampattern,…

信号处理 · 电气工程与系统科学 2024-10-08 Shengyao Chen , Minghui He , Longyao Ran , Hongtao Li , Feng Xi , Sirui Tian , Zhong Liu

Extremely low-resolution (e.g. one-bit) analog-to-digital converters (ADCs) and digital-to-analog converters (DACs) can substantially reduce hardware cost and power consumption for MIMO radar especially with large scale antennas. In this…

信号处理 · 电气工程与系统科学 2022-06-22 Minglong Deng , Ziyang Cheng , Linlong Wu , Bhavani Shankar , Zishu He

Digital beamforming and waveform generation techniques in MIMO radar offer enormous advantages in terms of flexibility and performance compared to conventional radar systems based on analog implementations. To allow for such fully digital…

信息论 · 计算机科学 2018-12-27 Amine Mezghani , Robert W. Heath

We focus on a dual-functional multi-input-multi-output (MIMO) radar-communication (RadCom) system, where a single transmitter communicates with downlink cellular users and detects radar targets simultaneously. Several design criteria are…

信息论 · 计算机科学 2024-10-30 Fan Liu , Longfei Zhou , Christos Masouros , Ang Li , Wu Luo , Athina Petropulu

In this letter, we consider the coexistence and spectrum sharing between downlink multi-user multiple-input-multiple-output (MU-MIMO) communication and a MIMO radar. For a given performance requirement of the downlink communication system,…

信息论 · 计算机科学 2017-07-04 Fan Liu , Christos Masouros , Ang Li , Tharmalingam Ratnarajah

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

This paper aims to design a set of transmitting waveforms in cognitive colocated Multi-Input Multi-Output (MIMO) radar systems considering the simultaneous minimization of spatial- and the range- Integrated Sidelobe Level Ratio (ISLR). The…

信号处理 · 电气工程与系统科学 2021-07-07 Ehsan Raei , Mohammad Alaee-Kerahrood , M. R. Bhavani Shankar

Radar uncertainty principle indicates that there is an inherent invariance in the product of the time-delay and Doppler-shift measurement accuracy and resolution which can be tuned by the waveform at transmitter. In this paper, based on the…

信号处理 · 电气工程与系统科学 2019-01-24 Seyed MohammadReza Hosseini , Afshin Isazadeh , Ali Noroozi , Mohammad Ali Sebt

In this paper, we design robust beamforming to guarantee the physical layer security for a multiuser beam division multiple access (BDMA) massive multiple-input multiple-output (MIMO) system, when the channel estimation errors are taken…

信息论 · 计算机科学 2017-11-30 Fengchao Zhu , Feifei Gao , Hai Lin , Shi Jin , Junhui Zhao

Dual-functional radar-communication (DFRC) is a promising technology where radar and communication functions operate on the same spectrum and hardware. In this paper, we propose an algorithm for designing constant modulus waveforms for DFRC…

信号处理 · 电气工程与系统科学 2024-04-09 Byunghyun Lee , Anindya Bijoy Das , David J. Love , Christopher G. Brinton , James V. Krogmeier

We present the design and hardware implementation of a radar prototype that demonstrates the principle of a sub-Nyquist collocated multiple-input multiple-output (MIMO) radar. The setup allows sampling in both spatial and spectral domains…

In this paper, we propose a beamforming design for dual-functional radar-communication (DFRC) systems at the millimeter wave (mmWave) band, where hybrid beamforming and sub-arrayed MIMO radar techniques are jointly exploited. We assume that…

信号处理 · 电气工程与系统科学 2018-10-25 Fan Liu , Christos Masouros

In this paper, we propose an energy-efficient radar beampattern design framework for a Millimeter Wave (mmWave) massive multi-input multi-output (mMIMO) system, equipped with a hybrid analog-digital (HAD) beamforming structure. Aiming to…

信号处理 · 电气工程与系统科学 2021-06-11 Zhaoyi Xu , Fan Liu , Konstantinos Diamantaras , Christos Masouros , Athina Petropulu

A joint robust transmit/receive adaptive beamforming for multiple-input multipleoutput (MIMO) radar based on probability-constrained optimization approach is developed in the case of Gaussian and arbitrary distributed mismatch present in…

信息论 · 计算机科学 2016-03-03 Weiyu Zhang , Sergiy A. Vorobyov

Designing Doppler-resilient unimodular discrete phase-coded waveforms (DPWs) with low delay-Doppler sidelobes is critical for multiple-input multiple-output (MIMO) radar. Existing block coordinate descent (BCD) methods suffer from high…

信号处理 · 电气工程与系统科学 2026-04-29 Junpeng Ma , Yuke Li , Junbo Wang , Yongxing Zhou

This paper considers several linear beamformer design paradigms for multiuser time-invariant multiple-input multiple-output interference channels. Notably, interference alignment and sum-rate based algorithms such as the maximum…

信息论 · 计算机科学 2010-11-30 Juho Park , Youngchul Sung , H. Vincent Poor

This paper presents a new optimization framework dedicated for integrated sensing and communication (ISAC) waveform design. In particular, the problem aims at maximizing the total achievable sum-rate, through multi-user interference…

信号处理 · 电气工程与系统科学 2025-02-26 Ahmad Bazzi , Marwa Chafii

In this letter, we consider hybrid beamforming for millimeter wave (mmWave) MIMO integrated sensing and communications (ISAC). We design the transmit beam of a dual-functional radar-communication (DFRC) base station (BS), aiming at…

信号处理 · 电气工程与系统科学 2022-03-15 Chenhao Qi , Wei Ci , Jinming Zhang , Xiaohu You