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In this paper, we design constant modulus probing waveforms with good correlation properties for collocated multi-input multi-output (MIMO) radar systems. The main content is as follows: first, we formulate the design problem as a fourth…

信号处理 · 电气工程与系统科学 2019-09-04 Jiangtao Wang , Yongchao Wang

This paper focuses on radar waveform optimization for minimizing the Cram\'er-Rao bound (CRB) in a multiple-input multiple-output (MIMO) radar system. In contrast to conventional approaches relying on semi-definite programming (SDP) and…

信号处理 · 电气工程与系统科学 2024-09-20 Xiaohua Zhou , Xu Du , Yijie Mao

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

In order to reduce hardware complexity and power consumption, massive multiple-input multiple-output (MIMO) systems employ low-resolution analog-to-digital converters (ADCs) to acquire quantized measurements $\boldsymbol y$. This poses new…

信息论 · 计算机科学 2021-02-12 Shuai Huang , Deqiang Qiu , Trac D. Tran

Automatic modulation recognition (AMR) is a key technology in non-cooperative communication systems, aiming to identify the modulation scheme from signals without prior information. Deep learning (DL)-based methods have gained wide…

信号处理 · 电气工程与系统科学 2025-12-05 Yunpeng Qu , Yazhou Sun , Bingyu Hui , Jintao Wang , Jian Wang

Frequency-modulated continuous wave (FMCW) radar with inter-chirp coding produces high side-lobes in the Doppler and range dimensions of the radar's ambiguity function. The high side-lobes may cause miss-detection due to masking between…

信号处理 · 电气工程与系统科学 2024-02-27 Zahra Esmaeilbeig , Arindam Bose , Mojtaba Soltanalian

The use of one-bit analog-to-digital converters (ADCs) at a receiver is a power-efficient solution for future wireless systems operating with a large signal bandwidth and/or a massive number of receive radio frequency chains. This solution,…

信号处理 · 电气工程与系统科学 2019-04-01 Yo-Seb Jeon , Namyoon Lee , H. Vincent Poor

Millimeter Wave (mmWave) massive Multiple Input Multiple Output (MIMO) systems realizing directive beamforming require reliable estimation of the wireless propagation channel. However, mmWave channels are characterized by high variability…

信息论 · 计算机科学 2019-06-07 Evangelos Vlachos , George C. Alexandropoulos , John Thompson

A new approach is proposed, namely CSSF MIMO radar, which applies the technique of step frequency (SF) to compressive sensing (CS) based multi-input multi-output (MIMO) radar. The proposed approach enables high resolution range, angle and…

信息论 · 计算机科学 2015-03-17 Yao Yu , Athina P. Petropulu , H. Vincent Poor

High power consumption and hardware cost are two barriers for practical massive multiple-input multiple-output (mMIMO) systems. A promising solution is to employ low-resolution analog-to-digital converters (ADCs). In this paper, we consider…

信号处理 · 电气工程与系统科学 2019-09-23 Samira Rahimian , Yindi Jing , Masoud Ardakani

Millimeter-wave radars are being increasingly integrated into commercial vehicles to support advanced driver-assistance system features. A key shortcoming for present-day vehicular radar imaging is poor azimuth resolution (for side-looking…

信号处理 · 电气工程与系统科学 2021-06-07 Xiangyu Gao , Sumit Roy , Guanbin Xing

One-bit radar, performing signal sampling and quantization by a one-bit ADC, is a promising technology for many civilian applications due to its low-cost and low-power consumptions. In this paper, problems encountered by one-bit LFMCW radar…

信号处理 · 电气工程与系统科学 2020-09-11 Benzhou Jin , Jiang Zhu , Qihui Wu , Yuhong Zhang , Zhiwei Xu

In this paper, we propose a two-stage analog combining architecture for millimeter wave (mmWave) communications with hybrid analog/digital beamforming and low-resolution analog-to-digital converters (ADCs). We first derive a two-stage…

信息论 · 计算机科学 2018-12-04 Jinseok Choi , Gilwon Lee , Brian L. Evans

Hybrid digital/analog architecture and low-resolution analog-to-digital/digital-to-analog converters (ADCs /DACs) are two low-cost implementations for large-scale millimeter wave (mmWave) systems. In this paper, we investigate the problem…

信号处理 · 电气工程与系统科学 2023-03-07 Ziyang Cheng , Linlong Wu , Bowen Wang , Julan Xie , Huiyong Li

Distributed MIMO radar is known to achieve superior sensing performance by employing widely separated antennas. However, it is challenging to implement a low-complexity distributed MIMO radar due to the complex operations at both the…

信号处理 · 电气工程与系统科学 2023-02-17 Yikun Xiang , Feng Xi , Shengyao Chen

Millimeter-wave (mmWave) communication operated in frequency bands between 30 and 300 GHz has attracted extensive attention due to the potential ability of offering orders of magnitude greater bandwidths combined with further gains via…

信息论 · 计算机科学 2017-01-09 Shiwen He , Chenhao Qi , Yongpen Wu , Yongming Huang

The use of one-bit analog-to-digital converters (ADCs) is a practical solution for reducing cost and power consumption in massive Multiple-Input-Multiple-Output (MIMO) systems. However, the distortion caused by one-bit ADCs makes the data…

信号处理 · 电气工程与系统科学 2020-09-02 Ly V. Nguyen , A. Lee Swindlehurst , Duy H. N. Nguyen

In future high-capacity wireless systems based on mmWave or massive multiple input multiple output (MIMO), the power consumption of receiver Analog to Digital Converters (ADC) is a concern. Although hybrid or analog systems with fewer ADCs…

信息论 · 计算机科学 2019-01-29 Waqas bin Abbas , Felipe Gomez-Cuba , Michele Zorzi

The fundamental limits of communication over multiple-input multiple-output (MIMO) networks are considered when a limited number of one-bit analog to digital converters (ADC) are used at the receiver terminals. Prior works have mainly…

信息论 · 计算机科学 2019-02-04 Abbas Khalili , Farhad Shirani , Elza Erkip , Yonina C. Eldar

We present an analytical framework for the channel estimation and the data detection in massive multiple-input multiple-output uplink systems with 1-bit analog-to-digital converters (ADCs) and i.i.d. Rayleigh fading. First, we provide…

信息论 · 计算机科学 2021-11-17 Italo Atzeni , Antti Tölli