Results 41 to 50 of about 1,112,681 (393)

Location Spoofing Detection for VANETs by a Single Base Station in Rician Fading Channels [PDF]

, 2014
In this work we examine the performance of a Location Spoofing Detection System (LSDS) for vehicular networks in the realistic setting of Rician fading channels.
Malaney, Robert, Nevat, Ido, Peters, Gareth W., Yan, Shihao   +3 more
core   +1 more source

Dual-Band Frequency Selective Surface With Compact Dimension and Low Frequency Ratio

IEEE Access, 2020
In this paper, frequency selective surface (FSS) with low profile, miniaturized structure and closely located dual-band is proposed based on the fractal technology. The FSS is designed by etching the conductive pattern on a single layer substrate.
Tong Cheng, Zhili Jia, Tao Hong, Wen Jiang, Shuxi Gong   +4 more
doaj   +1 more source

Optically Transparent Single-Layer Dual-Frequency Dual-Polarization Metasurface Applied in Close Proximity to Smartphone Millimeter-Wave Phased Array Antenna Systems

IEEE Open Journal of Antennas and Propagation
An optically transparent single-layer dual-frequency dual-polarization metasurface operating at 28 GHz and 38 GHz is proposed to enhance millimeter-wave transmission through glass.
Wen Fu, Igor Syrytsin, Rocio Rodriguez Cano, Peiye Liu, Andrey Kobyakov, Gert Fround Pedersen, Shuai Zhang   +6 more
doaj   +1 more source

A Single-Layer Wideband Differential-Fed Microstrip Patch Antenna With Complementary Split-Ring Resonators Loaded

IEEE Access, 2019
In this paper, a single-layer wideband differential-fed microstrip patch antenna (DMPA) with complementary split-ring resonators (CSRRs) loaded is proposed.
Shu Feng, Li Zhang, Hong-Wei Yu, Yi-Xuan Zhang, Yong-Chang Jiao   +4 more
doaj   +1 more source

Wideband Circularly Polarized Magneto-Electric Dipole $1\times2$ Antenna Array for Millimeter-Wave Applications

IEEE Access, 2020
A novel wideband circularly polarized (CP) magneto-electric (ME) dipole 1 × 2 antenna array for millimeter-wave applications is presented in this paper.
Ying-Fang Wang, Bian Wu, Nan Zhang, Yu-Tong Zhao, Tao Su   +4 more
doaj   +1 more source

Massive MIMO for Wireless Sensing with a Coherent Multiple Access Channel [PDF]

, 2015
We consider the detection and estimation of a zero-mean Gaussian signal in a wireless sensor network with a coherent multiple access channel, when the fusion center (FC) is configured with a large number of antennas and the wireless channels between the ...
Chen, Jie, Jiang, Feng, Lopez-Salcedo, Jose A., Swindlehurst, A. Lee   +3 more
core   +2 more sources

Predicting Chronicity in Children and Adolescents With Newly Diagnosed Immune Thrombocytopenia at the Timepoint of Diagnosis Using Machine Learning‐Based Approaches

Pediatric Blood &Cancer, EarlyView.
ABSTRACT Objectives To identify predictors of chronic ITP (cITP) and to develop a model based on several machine learning (ML) methods to estimate the individual risk of chronicity at the timepoint of diagnosis. Methods We analyzed a longitudinal cohort of 944 children enrolled in the Intercontinental Cooperative immune thrombocytopenia (ITP) Study ...
Severin Kasser, Alice Bizeul, Meera Chitlur, Hugo Donato, Jelena Roganovic, Julia E. Vogt, Thomas Kühne   +6 more
wiley   +1 more source

Convolution neural network and 77 ​GHz millimeter wave radar based intelligent liquid classification system

Journal of Information and Intelligence, 2023
An intelligent liquid classification system based on 77 ​GHz ​millimeter wave radar and convolution neural network are proposed in this paper. The data are collected by the AWR1843 radar platform and processed by the neural network on the host PC in real-
Jiayu Chen, Xinhuai Wang, Yin Xu, Ye Peng, Wen Wang, Junyan Xiang, Qihang Xu   +6 more
doaj   +1 more source

Phased array antenna control [PDF]

, 1978
Several new and useful improvements in steering and control of phased array antennas having a small number of elements, typically on the order of 5 to 17 elements are provided.
Doland, G. D.
core   +1 more source

Optimal Number of Transmit Antennas for Secrecy Enhancement in Massive MIMOME Channels

, 2017
This paper studies the impact of transmit antenna selection on the secrecy performance of massive MIMO wiretap channels. We consider a scenario in which a multi-antenna transmitter selects a subset of transmit antennas with the strongest channel gains ...
Asaad, Saba, Bereyhi, Ali, Müller, Ralf R., Rabiei, Amir M., Schaefer, Rafael F.   +4 more
core   +1 more source