中文
相关论文

相关论文: A genetic algorithm based superdirective beamformi…

200 篇论文

The best beam steering directions are estimated through beam training, which is one of the most important and challenging tasks in millimeter-wave and sub-terahertz communications. Novel array architectures and signal processing techniques…

信号处理 · 电气工程与系统科学 2020-07-20 Veljko Boljanovic , Han Yan , Chung-Ching Lin , Soumen Mohapatra , Deukhyoun Heo , Subhanshu Gupta , Danijela Cabric

Beamforming techniques utilized either at the transmitter or the receiver terminals have achieved superior quality-of-service performances from both the multi-antenna wireless communications systems, communications intelligence and radar…

信号处理 · 电气工程与系统科学 2023-06-09 M. Yaser Yağan , Ahmet F. Coşkun , Ali E. Pusane

We consider the task of discovering gene regulatory networks, which are defined as sets of genes and the corresponding transcription factors which regulate their expression levels. This can be viewed as a variable selection problem,…

统计方法学 · 统计学 2014-12-04 Justin Bleich , Adam Kapelner , Edward I. George , Shane T. Jensen

AI/ML-based beam selection methods coupled with location information effectively reduce beam training overhead. Unfortunately, heterogeneous antenna hardware with varying dimensions, orientations, codebooks, element patterns, and…

信号处理 · 电气工程与系统科学 2026-02-24 Ibrahim Kilinc , Robert W. Heath

This paper studies the inverse problem related to the identification of the flexural stiffness of an Euler Bernoulli beam in order to reconstruct its profile starting from available response data. The proposed identification procedure makes…

计算工程、金融与科学 · 计算机科学 2019-07-09 A. Greco , A. Pluchino , S. Caddemi , I. Caliò , F. Cannizzaro

In this paper, we present a novel approach to accelerate the Bayesian inference process, focusing specifically on the nested sampling algorithms. Bayesian inference plays a crucial role in cosmological parameter estimation, providing a…

天体物理仪器与方法 · 物理学 2024-10-17 Isidro Gómez-Vargas , J. Alberto Vázquez

Efficient and low-complexity beamforming design is an important element of satellite communication systems with mobile receivers equipped with phased arrays. In this work, we apply the simultaneous perturbation stochastic approximation…

信号处理 · 电气工程与系统科学 2021-04-20 Zheng Chen , Håkan Johansson

Gene-gene interactions play a crucial role in the manifestation of complex human diseases. Uncovering significant gene-gene interactions is a challenging task. Here, we present an innovative approach utilizing data-driven computational…

人工智能 · 计算机科学 2024-10-22 Yifan Wu , Yuntao Yang , Zirui Liu , Zhao Li , Khushbu Pahwa , Rongbin Li , Wenjin Zheng , Xia Hu , Zhaozhuo Xu

Transmit beamforming is a versatile technique for signal transmission from an array of $N$ antennas to one or multiple users [1]. In wireless communications, the goal is to increase the signal power at the intended user and reduce…

信息论 · 计算机科学 2014-07-22 Emil Björnson , Mats Bengtsson , Björn Ottersten

We wish to minimize the resources used for network coding while achieving the desired throughput in a multicast scenario. We employ evolutionary approaches, based on a genetic algorithm, that avoid the computational complexity that makes…

网络与互联网体系结构 · 计算机科学 2016-11-15 Minkyu Kim , Muriel Medard , Varun Aggarwal , Una-May O'Reilly , Wonsik Kim , Chang Wook Ahn , Michelle Effros

In this paper, we propose an analog beamsteering approach for enabling flexible hybrid beamforming design that can achieve performance close to singular value decomposition (SVD) based digital beamforming with single user case. As a…

信息论 · 计算机科学 2017-05-16 Yaning Zou , Wolfgang Rave , Gerhard Fettweis

Models obtained by decision tree induction techniques excel in being interpretable.However, they can be prone to overfitting, which results in a low predictive performance. Ensemble techniques are able to achieve a higher accuracy. However,…

机器学习 · 统计学 2016-11-18 Gilles Vandewiele , Olivier Janssens , Femke Ongenae , Filip De Turck , Sofie Van Hoecke

A genetic algorithm (GA) is a search-based optimization technique based on the principles of Genetics and Natural Selection. We present an algorithm which enhances the classical GA with input from quantum annealers. As in a classical GA,…

量子物理 · 物理学 2022-09-16 Steven Abel , Luca A. Nutricati , Michael Spannowsky

This work presents cost-effective low-rank techniques for designing robust adaptive beamforming (RAB) algorithms. The proposed algorithms are based on the exploitation of the cross-correlation between the array observation data and the…

计算工程、金融与科学 · 计算机科学 2016-08-24 H. Ruan , R. C. de Lamare

We propose a novel approach for boosting the realized gain in enhanced directivity arrays with both active and parasitic dipoles as radiating elements. The optimization process involves two main objectives: maximizing the end-fire gain and…

信号处理 · 电气工程与系统科学 2024-12-02 Rozita Konstantinou , Ihsan Kanbaz , Okan Yurduseven , Michail Matthaiou

Frequency domain sweeps of array antennas are well-known to be time-intensive, and different surrogate models have been used to improve the performance. Data-driven model order reduction algorithms, such as the Loewner framework and vector…

系统与控制 · 电气工程与系统科学 2025-08-15 Lucas Åkerstedt , Darwin Blanco , B. L. G. Jonsson

Satellite communications (SatCom) are crucial for global connectivity, especially in the era of emerging technologies like 6G and narrowing the digital divide. Traditional SatCom systems struggle with efficient resource management due to…

This paper presents capabilities of using genetic algorithms to find approximations of function extrema, which cannot be found using analytic ways. To enhance effectiveness of calculations, algorithm has been parallelized using OpenMP…

人工智能 · 计算机科学 2013-03-19 Lukasz Swierczewski

In this paper, we consider the problem of joint antenna selection and analog beamformer design in downlink single-group multicast networks. Our objective is to reduce the hardware costs by minimizing the number of required phase shifters at…

Protein structure prediction can be shown to be an NP-hard problem; the number of conformations grows exponentially with the number of residues. The native conformations of proteins occupy a very small subset of these, hence an exploratory,…

化学物理 · 物理学 2008-02-03 Mehul M. Khimasia , Peter V. Coveney
‹ 上一页 1 8 9 10 下一页 ›