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相关论文: Multi-Objective System-by-Design for mm-Wave Autom…

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The deployment of the sensor nodes (SNs) always plays a decisive role in the system performance of wireless sensor networks (WSNs). In this work, we propose an optimal deployment method for practical heterogeneous WSNs which gives a deep…

网络与互联网体系结构 · 计算机科学 2022-07-20 Long Chen , Yingying Xu , Fangyi Xu , Qian Hu , Zhenzhou Tang

The trade-off between computation time and path optimality is a key consideration in motion planning algorithms. While classical sampling based algorithms fall short of computational efficiency in high dimensional planning, learning based…

机器人学 · 计算机科学 2023-09-21 Yinghan Wang , Xiaoming Duan , Jianping He

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

In this paper, we propose first a mmWave channel tracking algorithm based on multidimensional orthogonal matching pursuit algorithm (MOMP) using reduced sparsifying dictionaries, which exploits information from channel estimates in previous…

信号处理 · 电气工程与系统科学 2023-08-29 Yun Chen , Nuria González-Prelcic , Takayuki Shimizu , Hongshen Lu , Chinmay Mahabal

Direction-of-arrival (DOA) estimation is one of the most demanding tasks for the millimeter wave (mmWave) communication of massive multiple-input multiple-output (MIMO) systems with the hybrid beamforming (HBF) architecture. In this paper,…

信息论 · 计算机科学 2021-09-01 Tian Lin , Xuemeng Zhou , Yu Zhu , Yi Jiang

Movable antennas (MAs) represent a promising paradigm to enhance the spatial degrees of freedom of conventional multi-antenna systems by dynamically adapting the positions of antenna elements within a designated transmit area. In…

信号处理 · 电气工程与系统科学 2025-07-18 Yifei Wu , Dongfang Xu , Derrick Wing Kwan Ng , Wolfgang Gerstacker , Robert Schober

Millimeter Wave (mmWave) band provides a large spectrum to meet the high-demand capacity by the 5th generation (5G) wireless networks. However, to fully exploit the available spectrum, obstacles such as high path loss, channel sparsity, and…

信息论 · 计算机科学 2018-07-16 Mojtaba Ahmadi Almasi , Roohollah Amiri , Hani Mehrpouyan

This paper investigates multiuser interference (MUI) cancellation for millimeter-wave (mmWave) beamforming in communication systems. We propose a linear algorithm, termed iterative dual orthogonal projections (DOP), which alternates between…

信号处理 · 电气工程与系统科学 2026-03-16 Jiazhe Li , Heng Dong , Nicolò Decarli , Francesco Guidi , Anna Guerra , Alessandro Bazzi , Zhuoming Li

Stacked AutoEncoders (SAE) have been widely adopted in edge anomaly detection scenarios. However, the resource-intensive nature of SAE can pose significant challenges for edge devices, which are typically resource-constrained and must adapt…

神经与进化计算 · 计算机科学 2026-03-17 Lizhao Zhang , Shengsong Kong , Tao Guo , Shaobo Li , Zhenzhou Ji

The high path loss associated with millimeter wave (mmWave) frequency communication can be compensated by large scale antenna arrays such as multiple-input multiple-output (MIMO) systems. The hybrid beamforming architecture which uses fewer…

信号处理 · 电气工程与系统科学 2022-11-17 Evangelos Vlachos , Aryan Kaushik , Muhammad Z. Shakir

Millimeter wave (mmWave)-based orthogonal frequency-division multiplexing (OFDM) stands out as a suitable alternative for high-resolution sensing and high-speed data transmission. To meet communication and sensing requirements, many works…

信号处理 · 电气工程与系统科学 2024-12-25 Mamady Delamou , Ahmed Naeem , Huseyin Arslan , El Mehdi Amhoud

A multiple input multiple output ultra-wideband cognitive radar based on compressive sensing is presented in this letter. For traditional UWB radar, high sampling rate analog to digital converter at the receiver is required to meet Shannon…

信息论 · 计算机科学 2016-04-18 Xia Li , Zhen Hu , Robert C. Qiu

In wideband millimeter wave (mmWave) massive multiple-input multiple-output (MIMO) systems, channel estimation is challenging due to the hybrid analog-digital architecture, which compresses the received pilot signal and makes channel…

信息论 · 计算机科学 2023-02-02 Jiabao Gao , Caijun Zhong , Geoffrey Ye Li

This paper proposes MOON (Multi-Objective Optimization-driven Object-goal Navigation), a novel framework designed for efficient navigation in large-scale, complex indoor environments. While existing methods often rely on local heuristics,…

机器人学 · 计算机科学 2026-01-06 Daigo Nakajima , Kanji Tanaka , Daiki Iwata , Kouki Terashima

The problem of modulation classification for a multiple-antenna (MIMO) system employing orthogonal frequency division multiplexing (OFDM) is investigated under the assumption of unknown frequency-selective fading channels and…

信息论 · 计算机科学 2016-04-11 Yu Liu , Osvaldo Simeone , Alexander M. Haimovich , Wei Su

The dynamic of real-world optimization problems raises new challenges to the traditional particle swarm optimization (PSO). Responding to these challenges, the dynamic optimization has received considerable attention over the past decade.…

神经与进化计算 · 计算机科学 2019-03-27 Ahlem Aboud , Raja Fdhila , Adel M. Alimi

Hyperparameter optimization (HPO) is a powerful technique for automating the tuning of machine learning (ML) models. However, in many real-world applications, accuracy is only one of multiple performance criteria that must be considered.…

机器学习 · 计算机科学 2023-05-12 Noor Awad , Ayushi Sharma , Philipp Muller , Janek Thomas , Frank Hutter

Designing unimodular waveforms with a desired beampattern, spectral occupancy and orthogonality level is of vital importance in the next generation Multiple-Input Multiple-Output (MIMO) radar systems. Motivated by this fact, in this paper,…

信号处理 · 电气工程与系统科学 2021-12-14 Ehsan Raei , Saeid Sedighi , Mohammad Alaee-Kerahroodi , M. R. Bhavani Shankar

In this paper, we propose a multiobjective optimization framework for the sensor selection problem in uncertain Wireless Sensor Networks (WSNs). The uncertainties of the WSNs result in a set of sensor observations with insufficient…

系统与控制 · 计算机科学 2016-09-21 Nianxia Cao , Sora Choi , Engin Masazade , Pramod K. Varshney

There is a demand for the same data content from several user equipments (UEs) in many wireless communication applications. Physical-layer multicasting combines the beamforming capability of massive MIMO (multiple-input multiple-output) and…

信号处理 · 电气工程与系统科学 2025-04-09 Mahmoud Zaher , Emil Björnson