中文
相关论文

相关论文: Optimal Mixed-ADC arrangement for DOA Estimation v…

200 篇论文

In this paper, we consider the Cramer-Rao lower bound (CRLB) for estimation of a lens-embedded antenna array with deterministic parameters. Unlike CRLB of uniform linear array (ULA), it is noted that CRLB for direction of arrival (DoA) of…

信息论 · 计算机科学 2016-12-14 Jae-Nam Shim , Hongseok Park , GeeYong Suk , Chan-Byoung Chae , Dong Ku Kim

Unlike model-based direction of arrival (DoA) estimation algorithms, supervised learning-based DoA estimation algorithms based on deep neural networks (DNNs) are usually trained for one specific microphone array geometry, resulting in poor…

音频与语音处理 · 电气工程与系统科学 2022-12-12 Ulrik Kowalk , Simon Doclo , Joerg Bitzer

This paper investigates the problem of direction-of-arrival (DOA) estimation using multiple partially-calibrated sparse subarrays. In particular, we present the Generalized Coarray Multiple Signal Classification (GCA-MUSIC) DOA estimation…

机器学习 · 计算机科学 2024-08-07 W. S. Leite , R. C. de Lamare

Massive multiple input multiple output (MIMO) antenna arrays eventuate a huge amount of circuit costs and computational complexity. To satisfy the needs of high precision and low cost in future green wireless communication, the conventional…

信号处理 · 电气工程与系统科学 2024-05-29 Feng Shu , Baihua Shi , Yiwen Chen , Jiatong Bai , Yifan Li , Tingting Liu , Zhu Han , Xiaohu You

Hybrid Analog and Digital (HAD) architectures provide a cost-effective alternative for large-scale antenna arrays, but accurate Direction-of-Arrival (DoA) estimation remains challenging due to limited digital dimensionality and constrained…

信号处理 · 电气工程与系统科学 2025-09-04 Miguel Rivas-Costa , Carlos Mosquera

Direction of arrival (DoA) estimation of multiple signals is pivotal in sensor array signal processing. A popular multi-signal DoA estimation method is the multiple signal classification (MUSIC) algorithm, which enables high-performance…

信号处理 · 电气工程与系统科学 2025-12-03 Julian P. Merkofer , Guy Revach , Nir Shlezinger , Tirza Routtenberg , Ruud J. G. van Sloun

A framework is presented for analyzing the impact of active attacks to location-based physical layer authentication (PLA) using the machinery of misspecified Cram\'er--Rao bound (MCRB). In this work, we focus on the MCRB in the…

信号处理 · 电气工程与系统科学 2025-12-19 Sotiris Skaperas , Arsenia Chorti

DOA estimation for massive multiple-input multiple-output (MIMO) system can provide ultra-high-resolution angle estimation. However, due to the high computational complexity and cost of all digital MIMO systems, a hybrid analog digital…

信息论 · 计算机科学 2021-05-17 Nuo Chen , Xinyi Jiang , Baihua Shi , Yin Teng , Jinhui Lu , Feng Shu , Jun Zou , Jun Li , Jiangzhou Wang

Integrated sensing and communication has been identified as an enabling technology for forthcoming wireless networks. In an effort to achieve an improved performance trade-off between multiuser communications and radar sensing, this paper…

信号处理 · 电气工程与系统科学 2025-02-17 Rang Liu , Ming Li , Qian Liu , A. Lee Swindlehurst

We consider constraint-coupled optimization problems in which agents of a network aim to cooperatively minimize the sum of local objective functions subject to individual constraints and a common linear coupling constraint. We propose a…

最优化与控制 · 数学 2019-07-26 Alessandro Falsone , Ivano Notarnicola , Giuseppe Notarstefano , Maria Prandini

Direction of Arrival (DoA) estimation techniques face a critical trade-off, as classical methods often lack accuracy in challenging, low signal-to-noise ratio (SNR) conditions, while modern deep learning approaches are too energy-intensive…

信号处理 · 电气工程与系统科学 2026-01-28 Rajat Bhattacharjya , Woohyeok Park , Arnab Sarkar , Hyunwoo Oh , Mohsen Imani , Nikil Dutt

In practical scenarios, processes such as sensor design, manufacturing, and installation will introduce certain errors. Furthermore, mutual interference occurs when the sensors receive signals. These defects in array systems are referred to…

信号处理 · 电气工程与系统科学 2026-01-12 Bo Zhou , Kaijie Xu , Yinghui Quan , Mengdao Xing

Direction-of-arrival (DOA) estimation refers to the process of retrieving the direction information of several electromagnetic waves/sources from the outputs of a number of receiving antennas that form a sensor array. DOA estimation is a…

信息论 · 计算机科学 2017-01-10 Zai Yang , Jian Li , Petre Stoica , Lihua Xie

In Part I of this work [1], we developed an accelerated algorithmic framework, DAMA (Decentralized Accelerated Minimax Approach), for nonconvex Polyak-Lojasiewicz (PL) minimax optimization over decentralized multi-agent networks. To further…

最优化与控制 · 数学 2025-12-17 Haoyuan Cai , Sulaiman A. Alghunaim , Ali H. Sayed

In this work, we study decentralized convex constrained optimization problems in networks. We focus on the dual averaging-based algorithmic framework that is well-documented to be superior in handling constraints and complex communication…

最优化与控制 · 数学 2022-08-16 Changxin Liu , Yang Shi , Huiping Li , Wenli Du

In this article we extend the adaptive cross approximation (ACA) method known for the efficient approximation of discretisations of integral operators to a block-adaptive version. While ACA is usually employed to assemble hierarchical…

数值分析 · 数学 2019-05-07 M. Bauer , M. Bebendorf

This paper characterizes the optimal capacity-distortion (C-D) tradeoff in an optical point-to-point system with single-input single-output (SISO) for communication and single-input multiple-output (SIMO) for sensing within an integrated…

信息论 · 计算机科学 2025-04-15 Alireza Ghazavi Khorasgani , Mahtab Mirmohseni , Ahmed Elzanaty

Movable antennas (MAs) have emerged as a promising technology to improve wireless communication and sensing performance towards sixth-generation (6G) networks through flexible antenna movement. In this paper, we propose a novel wireless…

信号处理 · 电气工程与系统科学 2025-11-25 Haobin Mao , Lipeng Zhu , Wenyan Ma , Zhenyu Xiao , Xiang-Gen Xia , Rui Zhang

Sensor arrays play a significant role in direction of arrival (DOA) estimation. Specifically, arrays with low redundancy and reduced mutual coupling are desirable. In this paper, we investigate a sensor array configuration that has a…

信息论 · 计算机科学 2023-11-14 Shidong Zhang , Zhengchun Zhou , Guolong Cui , Xiaohu Tang , Pingzhi Fan

Conventional direction-of-arrival (DoA) estimation methods rely on multi-antenna arrays, which are costly to implement on size-constrained Bluetooth Low Energy (BLE) devices. Virtual antenna array (VAA) techniques enable DoA estimation with…

信号处理 · 电气工程与系统科学 2026-02-04 Jincheng Xie , Yili Deng , Jiguang He , Pengyu Wang , Miaomiao Dong , Rui Tang , Zhongyi Huang