中文
相关论文

相关论文: SVM and Dimensionality Reduction in Cognitive Radi…

200 篇论文

In recent years, Deep Learning (DL) has been successfully applied to detect and classify Radio Frequency (RF) Signals. A DL approach is especially useful since it identifies the presence of a signal without needing full protocol…

计算机视觉与模式识别 · 计算机科学 2021-05-20 Hilal Elyousseph , Majid L Altamimi

The most important problem in telecommunication is bandwidth limitation due to the uncontrolled growth of wireless technology. Deploying dynamic spectrum access techniques is one of the procedures provided for efficient use of bandwidth. In…

信号处理 · 电气工程与系统科学 2018-07-19 Mahdi Mir

A prior-guided deep learning (DL) based interference mitigation approach is proposed for frequency modulated continuous wave (FMCW) radars. In this paper, the interference mitigation problem is tackled as a regression problem. Considering…

信号处理 · 电气工程与系统科学 2022-12-07 Jianping Wang , Runlong Li , Yuan He , Yang Yang

Exploiting channel sparsity at millimeter wave (mmWave) frequencies reduces the high training overhead associated with the channel estimation stage. Compressive sensing (CS) channel estimation techniques usually adopt the (overcomplete)…

信息论 · 计算机科学 2019-09-23 Hongxiang Xie , Javier Rodríguez-Fernández , Nuria González-Prelcic

Due to its ability of significantly improving data rate, intelligent reflecting surface (IRS) will be a potential crucial technique for the future generation wireless networks like 6G. In this paper, we will focus on the analysis of degree…

信号处理 · 电气工程与系统科学 2025-08-04 Jinbing Jiang , Feng Shu , Xuehui Wang , Ke Yang , Chong Shen , Qi Zhang , Dongming Wang , Jiangzhou Wang

This paper presents a deep learning approach to the classification of 160 shortwave radio signals. It addresses the typical challenges of the shortwave spectrum, which are the large number of different signal types, the presence of various…

信号处理 · 电气工程与系统科学 2025-04-09 Stefan Scholl

Feature ranking and selection is a widely used approach in various applications of supervised dimensionality reduction in discriminative machine learning. Nevertheless there exists significant evidence on feature ranking and selection…

机器学习 · 计算机科学 2021-05-04 Ozan Ozdenizci , Deniz Erdogmus

Dimensionality reduction (DR) is often used as a preprocessing step in classification, but usually one first fixes the DR mapping, possibly using label information, and then learns a classifier (a filter approach). Best performance would be…

机器学习 · 计算机科学 2014-05-27 Weiran Wang , Miguel Á. Carreira-Perpiñán

Automatic modulation classification is of crucial importance in wireless communication networks. Deep learning based automatic modulation classification schemes have attracted extensive attention due to the superior accuracy. However, the…

信号处理 · 电气工程与系统科学 2022-07-01 Rui Ding , Hao Zhang , Fuhui Zhou , Qihui Wu , Zhu Han

Noise cancellation is one of the important signal processing functions of any communication system, as noise affects data integrity. In existing systems, traditional filters are used to cancel the noise from the received signals. These…

信号处理 · 电气工程与系统科学 2018-01-31 Adnan Quadri , Mohsen Riahi Manesh , Naima Kaabouch

Compact binary systems emit gravitational radiation which is potentially detectable by current Earth bound detectors. Extracting these signals from the instruments' background noise is a complex problem and the computational cost of most…

天体物理仪器与方法 · 物理学 2022-02-11 Marlin B. Schäfer , Ondřej Zelenka , Alexander H. Nitz , Frank Ohme , Bernd Brügmann

In this paper, we explore the benefits, in the sense of total (sum rate) degrees of freedom (DOF), of cooperation and cognitive message sharing for a two-user multiple-input-multiple-output (MIMO) Gaussian interference channel with $M_1$,…

信息论 · 计算机科学 2008-03-13 Chiachi Huang , Syed A. Jafar

In the realm of amateur radio, the effective classification of signals and the mitigation of noise play crucial roles in ensuring reliable communication. Traditional methods for signal classification and noise reduction often rely on manual…

信号处理 · 电气工程与系统科学 2024-02-29 Jimi Sanchez

With the advent of the 5th generation of wireless standards and an increasing demand for higher throughput, methods to improve the spectral efficiency of wireless systems have become very important. In the context of cognitive radio, a…

信息论 · 计算机科学 2018-03-14 Vishnu Raj , Irene Dias , Thulasi Tholeti , Sheetal Kalyani

This paper presents a robust signal classification scheme for achieving comprehensive spectrum sensing of multiple coexisting wireless systems. It is built upon a group of feature-based signal detection algorithms enhanced by the proposed…

信息论 · 计算机科学 2016-11-26 Hanwen Cao , Jürgen Peissig

Dynamic spectrum access (DSA) benefits from detection and classification of interference sources including in-network users, out-network users, and jammers that may all coexist in a wireless network. We present a deep learning based signal…

网络与互联网体系结构 · 计算机科学 2019-09-27 Yi Shi , Kemal Davaslioglu , Yalin E. Sagduyu , William C. Headley , Michael Fowler , Gilbert Green

Convolutional neural networks (CNNs) have become widely adopted in gravitational wave (GW) detection pipelines due to their ability to automatically learn hierarchical features from raw strain data. However, the physical meaning of these…

机器学习 · 计算机科学 2025-10-28 Jun Tian , He Wang , Jibo He , Yu Pan , Shuo Cao , Qingquan Jiang

Achievable degrees-of-freedom (DoF) of the large-scale interfering two-way relay network is investigated. The network consists of $K$ pairs of communication nodes (CNs) and $N$ relay nodes (RNs). It is assumed that $K\ll N$ and each pair of…

信息论 · 计算机科学 2016-11-17 Hyun Jong Yang , Won-Yong Shin , Bang Chul Jung

In this work, we discuss the joint precoding with finite rate feedback in the so-called network MIMO where the TXs share the knowledge of the data symbols to be transmitted. We introduce a distributed channel state information (DCSI) model…

信息论 · 计算机科学 2012-06-25 Paul de Kerret , David Gesbert

In this paper, we propose an emerging wavenumber-domain precoding scheme to break the limitations of rank-1 channels that merely supports single-stream transmission, enabling simultaneous transmission of multiple data streams. The proposed…

信号处理 · 电气工程与系统科学 2024-09-23 Yuanbin Chen , Xufeng Guo , Tianqi Mao , Qingqing Wu , Zhaocheng Wang , Chau Yuen