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

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We propose super-resolution MIMO channel estimators for millimeter-wave (mmWave) systems that employ hybrid analog and digital beamforming and generalized spatial modulation, respectively. Exploiting the inherent sparsity of mmWave…

信息论 · 计算机科学 2018-01-24 Hongyun Chu , Le Zheng , Xiaodong Wang

We study the secrecy rate maximization problem in a millimeter wave (mmWave) network, consisting of a base station (BS), multiple intelligent reflecting surfaces (IRSs) (or reconfigurable intelligent surfaces (RISs)), multiple users, and a…

信息论 · 计算机科学 2025-10-02 Anahid Rafieifar , Hosein Ahmadinejad , S. Mohammad Razavizadeh , Jiguang He

In this letter, we introduce a novel pilot design approach that minimizes the total mean square errors of the minimum mean square error estimators of all base stations (BSs) subject to the transmit power constraints of individual users in…

信息论 · 计算机科学 2018-03-06 Hayder Al-Salihi , Trinh Van Chien , Tuan Anh Le , Mohammad Reza Nakhai

We investigate hybrid beamforming design for covert millimeter wave multiple-input multiple-output systems with finite-resolution digital-to-analog converters (DACs), which impose practical hardware constraints not yet considered by the…

信息论 · 计算机科学 2024-11-28 Wei Ci , Chenhao Qi , Xiaohu You

In this paper, a joint design of instantaneous channel estimation, beam tracking, and adaptive beamformer construction for a massive multiple-input multiple-output (MIMO) system is proposed. This design focuses on efficiency in terms of…

信息论 · 计算机科学 2023-03-02 Anil Kurt , Gokhan M. Guvensen

Future radar systems are expected to use waveforms of a high bandwidth, where the main advantage is an improved range resolution. In this paper, a technique to design robust wideband waveforms for a Multiple-Input-Single-Output system is…

应用统计 · 统计学 2016-11-17 Ashkan Panahi , Marie Ström , Mats Viberg

Future wireless communication systems are expected to explore spectral bands typically used by radar systems, in order to overcome spectrum congestion of traditional communication bands. Since in many applications radar and communication…

信号处理 · 电气工程与系统科学 2020-08-26 Xiang Liu , Tianyao Huang , Nir Shlezinger , Yimin Liu , Jie Zhou , Yonina C. Eldar

In this paper, we consider a class of nonconvex complex quadratic programming (CQP) problems, which find a broad spectrum of signal processing applications. By using the polar coordinate representations of the complex variables, we first…

信息论 · 计算机科学 2020-08-20 Cheng Lu , Ya-Feng Liu , Jing Zhou

The paper addresses state estimation for discrete-time systems with binary (threshold) measurements by following a Maximum A posteriori Probability (MAP) approach and exploiting a Moving Horizon (MH) approximation of the MAP cost-function.…

系统与控制 · 计算机科学 2018-04-09 Giorgio Battistelli , Luigi Chisci , Nicola Forti , Stefano Gherardini

Wireless physical-layer security is an emerging field of research aiming at preventing eavesdropping in an open wireless medium. In this paper, we propose a novel waveform design approach to minimize the likelihood that a message…

密码学与安全 · 计算机科学 2013-06-04 Ming Li , Sandipan Kundu , Dimitris A. Pados , Stella N. Batalama

In millimeter-wave (mmWave) dual-function radar-communication (DFRC) systems, hybrid beamforming (HBF) is recognized as a promising technique utilizing a limited number of radio frequency chains. In this work, in the presence of extended…

信号处理 · 电气工程与系统科学 2022-11-07 Ziyang Cheng , Linlong Wu , Bowen Wang , Bhavani Shankar M. R. , Björn Ottersten

Recently, huge attention is attracted to the concept of integrating communication and radar missions within the same platform. Joint radar-communications (JRC) system gives an important opportunity to reduce spectrum usage and product cost…

信号处理 · 电气工程与系统科学 2020-02-04 Muharrem Arik , Ozgur B. Akan

This paper, addressing the integration requirements of radar imaging and communication for High-Altitude Platform Stations (HAPs) platforms, designs a waveform based on linear frequency modulated (LFM) frequency-hopping signals that…

信号处理 · 电气工程与系统科学 2024-12-24 Bang Huang , Sajid Ahmed , Mohamed-Slim Alouini

Multiple input multiple output (MIMO) radar exhibits several advantages with respect to traditional radar array systems in terms of flexibility and performance. However, MIMO radar poses new challenges for both hardware design and digital…

信息论 · 计算机科学 2016-08-30 David Cohen , Deborah Cohen , Yonina C. Eldar , Alexander M. Haimovich

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 formulate the precoding problem of integrated sensing and communication (ISAC) waveform as a non-convex quadratically constrainted quadratic program (QCQP), in which the weighted sum of communication multi-user…

信号处理 · 电气工程与系统科学 2024-02-13 Yating Chen , Cai Wen , Yan Huang , Le Liang , Jie Li , Hui Zhang , Wei Hong

This paper aims to handle the joint transmitter and noncoherent receiver design for multiuser multiple-input multiple-output (MU-MIMO) systems through deep learning. Given the deep neural network (DNN) based noncoherent receiver, the…

信号处理 · 电气工程与系统科学 2020-04-15 Songyan Xue , Yi Ma , Na Yi , Rahim Tafazolli

We address the problem of designing a transmit beampattern for multiple-input multiple-output (MIMO) radar considering co-existence with wireless communication systems. The designed beampattern is able to manage the transmit energy in…

信号处理 · 电气工程与系统科学 2018-11-29 Bosung Kang , Omar Aldayel , Vishal Monga , Muralidhar Rangaswamy

As a cost-effective alternative, hybrid analog and digital beamforming architecture is a promising scheme for millimeter wave (mmWave) system. This paper considers two hybrid beamforming architectures, i.e. the partially-connected and…

信号处理 · 电气工程与系统科学 2022-09-07 Bowen Wang , Ziyang Cheng , Zishu He

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