Results 31 to 40 of about 37,303 (160)

Multi-dimensional resource allocation strategy for LEO satellite communication uplinks based on deep reinforcement learning

Journal of Cloud Computing: Advances, Systems and Applications
In the LEO satellite communication system, the resource utilization rate is very low due to the constrained resources on satellites and the non-uniform distribution of traffics.
Yu Hu, Feipeng Qiu, Fei Zheng, Jilong Zhao   +3 more
doaj   +1 more source

Silent speech command word recognition using stepped frequency continuous wave radar

Scientific Reports, 2022
Recovering speech in the absence of the acoustic speech signal itself, i.e., silent speech, holds great potential for restoring or enhancing oral communication in those who lost it.
Christoph Wagner, Petr Schaffer, Pouriya Amini Digehsara, Michael Bärhold, Dirk Plettemeier, Peter Birkholz   +5 more
doaj   +1 more source

Physical-Layer Security for Indoor Hybrid PLC/VLC Networks With NOMA

IEEE Open Journal of the Communications Society
Hybrid power line communication (PLC)/visible light communication (VLC) networks have been demonstrated to be crucial for indoor practical communications and have attracted widespread attention.
Xiang Zhao, Yuqing Zhao, Ju Huang, Wenbo Zhao, Jinyong Sun   +4 more
doaj   +1 more source

Weighted Pseudo Labeled Data and Mutual Learning for Semi-Supervised Classification

IEEE Access, 2021
In this article, a semi-supervised classification algorithm that is based on weighted pseudo labeled data and mutual learning is proposed. The purpose of our method is to improve the classification performance of semi-supervised learning models and ...
Jianwen Mo, Yuwan Gan, Hua Yuan
doaj   +1 more source

Transmission dynamics of Zika virus with multiple infection routes and a case study in Brazil

Scientific Reports
The Zika virus (ZIKV) is a serious global public health crisis. A major control challenge is its multiple transmission modes. This paper aims to simulate the transmission patterns of ZIKV using a dynamic process-based epidemiological model written in ...
Liying Wang, Qiaojuan Jia, Guanghu Zhu, Guanlin Ou, Tian Tang   +4 more
doaj   +1 more source

Dual Function System With Shared Spectrum Using FMCW

IEEE Access, 2018
Although an automotive radar system tends to be practical presently, it still needs to set up an extra device to achieve communication for vehicle. Considering system complexity and equipment costs, the research on automotive radar and communication ...
Chao Yang, Mei Wang, Lin Zheng, Chaochen Tang   +3 more
doaj   +1 more source

Orbital angular momentum mode recognition under ocean turbulence channel by DCNN-RF model based on Adma optimization

Results in Physics
Gaussian beam carries orbital angular momentum with infinite Hebert space distribution, which is expected to realize large-capacity and long-distance transmission of underwater wireless optical communication.
Xiaoji Li, Hanze Xuan, Chen Huang, Yanlong Li   +3 more
doaj   +1 more source

Cognitive radio application for vehicular ad hoc networks (VANETS) [PDF]

Tehnika, 2016
This paper presents the application of cognitive radio technology in vehicular ad-hoc networks aimed to improve the communications between vehicles themselves as well as between vehicles and roadside infrastructure.
Miladić Suzana D., Marković Goran Z., Stojanović Mirjana D.   +2 more
doaj   +1 more source

Assessing random forest performance in low resource speech emotion recognition

Scientific Reports
In human-computer interaction (HCI), speech emotion recognition (SER) is a pivotal technology that enables machines to decipher human emotions. This study delves into the efficacy of employing a random forest (RF) classifier for SER within Urdu speech, a
Muhammad Adeel, Zhi-Yong Tao, Shu-Ya Jin, Chuan-Jie Guo, Mohammed Alsuhaibani   +4 more
doaj   +1 more source

A Sub-Channel Spatial Homogeneity-Based Channel Estimation Method for Underwater Optical Densely Arrayed MIMO Systems

Journal of Marine Science and Engineering
The limited surface area and structural constraints of small underwater communication devices necessitate a dense placement of transmitting and receiving array elements in optical multiple-input multiple-output (MIMO) systems. The compact layout leads to
Guojin Peng, Hongbin Qiu, Yanlong Li, Junru Wang   +3 more
doaj   +1 more source