18   Artículos

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en línea
Bohao Tang, Lihua Cai, Shuai Yang, Jiaxing Xu and Yi Yu    
Concentric circular antenna arrays (CCAAs) can obtain better performance than other antenna arrays. However, high overhead and excessive sidelobes still make its application difficult. In this paper, we consider the sparse synthesis optimization of CCAAs... ver más
Revista: Future Internet    Formato: Electrónico

 
en línea
Turkiya Abes,Keltouma Nouri,Boubaker Seddik Bouazza,Kada Becharef     Pág. 131 - 142
This paper introduces and discusses the study of a new concept for SIW array antenna development. This conducted development is based on three designs, two of them related to 1x2 arrays fed by SIW line, combined with SIW inset line, and the last designed... ver más
Revista: Journal of Communications Software and Systems    Formato: Electrónico

 
en línea
Ilia Peshkov,Yuri Nechaev     Pág. 317 - 328
In this paper an approach of obtaining optimal planar antenna arrays consisting of omnidirectional sensors is proposed. The novelty of the proposed approach is to apply an exact expression of the Cramer-Rao lower bound for an arbitrary planar antenna arr... ver más
Revista: Journal of Communications Software and Systems    Formato: Electrónico

 
en línea
Levon Grigoryan,Martin Aivazyan,Arshak Babayan     Pág. 1 - 8
The work is devoted to research in Mobile Station (MS) positioning techniques having opportunity and perspective of using in the next generation communication networks, particularly in cellular networks. Direction of Arrival (DOA) estimation is necessary... ver más
Revista: Journal of Communications Software and Systems    Formato: Electrónico

 
en línea
F. Benykhlef,N. Boukli-Hacene     Pág. 9 - 14
An important issue in antenna array design is reduction of mutual coupling. In square microstrip antennas this reduction can be achieved by using electromagnetic band-gap (EBG) structures. They can help in the reduction of mutual coupling by using their ... ver más
Revista: Journal of Communications Software and Systems    Formato: Electrónico

 
en línea
Yuri B. Nechaev,Ilia W. Peshkov     Pág. 45 - 51
Direction-of-arrival (DOA) of radio signals takes a great scientific interest for radar, sonar and wireless communication tasks. In this paper the problem of DOA estimation methods for circular and concentric circular antenna arrays is considered. The su... ver más

 
en línea
Naser Ojaroudi Parchin, Mohammad Alibakhshikenari, Haleh Jahanbakhsh Basherlou, Raed A. Abd-Alhameed, Jonathan Rodriguez and Ernesto Limiti    
The focus of this manuscript was to propose a new phased array antenna design for the fifth generation (5G) mobile platforms. Eight elements of compact Quasi-Yagi antennas were placed on the top portion of smartphone printed circuits board (PCB) to form ... ver más
Revista: Applied Sciences    Formato: Electrónico

 
en línea
Stephan Haefner,Reiner Thomä     Pág. 27 - 34
Estimating the parameters of a geometric propagation model from MIMO channel sounding measurements will be considered, which requires the solution of an inverse problem. Thus, a model of the measured data is derived, which incorporates a model of the mea... ver más

 
en línea
Victor Adewuyi, Junior Milembolo Miantezila, Eunice Owoola     Pág. 83 - 101
Considered in this work are the radiation aspects of a radio-frequency wireless power transfer system. Using the halfwave dipole as a candidate of choice, the current distribution on the antenna is first evaluated and presented using the versatile electr... ver más
Revista: Emitter: International Journal of Engineering Technology    Formato: Electrónico

 
en línea
Victor Adewuyi, Junior Milembolo Miantezila, Eunice Owoola     Pág. 83 - 101
Considered in this work are the radiation aspects of a radio-frequency wireless power transfer system. Using the halfwave dipole as a candidate of choice, the current distribution on the antenna is first evaluated and presented using the versatile electr... ver más
Revista: Emitter: International Journal of Engineering Technology    Formato: Electrónico

 
en línea
Shuai Hao, Tielin Ma, Yi Wang, Huadong Li, Shiwei Zhao and Puxue Tan    
SensorCraft is an intelligence, surveillance, and reconnaissance (ISR) system that integrates unmanned flight platforms and airborne antenna arrays. Under gust loads, the high?aspect?ratio, light?wing structure of SensorCraft has considerable bending and... ver más
Revista: Aerospace    Formato: Electrónico

 
en línea
Md. Mehedi Hasan, Mohammad Rashed Iqbal Faruque and Mohammad Tariqul Islam    
A new compact left-handed meta-atom for S-, C- and Ku-band applications is presented in this paper. The proposed structure provides a wide bandwidth and exhibits left-handed characteristics at 0°, 90°, 180° and 270° (xy-axes) rotations. Besides, the left... ver más
Revista: Applied Sciences    Formato: Electrónico

 
en línea
Adnan Affandi,Navin Kasim,Talal Hamdan Hamad Althebiani    
In this paper a Non Uniform shaped patch antenna has been designed, simulated and optimized. Microstrip patch antennas with linear based on general requirement network have been investigated. All of the singles and arrays patch antennas are implemented i... ver más
Revista: IRA-International Journal of Technology & Engineering    Formato: Electrónico

 
en línea
Rongguo Song, Xiaoxiao Chen, Shaoqiu Jiang, Zelong Hu, Tianye Liu, David G. Calatayud, Boyang Mao and Daping He    
With the development of 5G, Internet of Things, and smart home technologies, miniaturized and compact multi-antenna systems and multiple-input multiple-output (MIMO) antenna arrays have attracted increasing attention. Reducing the coupling between antenn... ver más
Revista: Applied Sciences    Formato: Electrónico

 
en línea
Liangtian Wan, Lutao Liu, Guangjie Han and Joel J. P. C. Rodrigues    
Most direction-of-arrival (DOA) estimation approaches for conformal array suffer from high computational complexity, which cause high energy loss for the direction finding system. Thus, a low energy consumption DOA estimation algorithm for conformal arra... ver más
Revista: Future Internet    Formato: Electrónico

 
en línea
Ceyhun Karpuz, Mehmet Cakir, Ali Kursad Gorur and Adnan Gorur    
In this paper, new single/double-layer N-way Wilkinson power dividers (WPDs) were designed by using slow-wave structures such as narrow-slit-loaded and meandered transmission lines. For size reduction, the slit-loaded and meandered lines were used instea... ver más
Revista: Applied Sciences    Formato: Electrónico

 
en línea
Evgeni Mokrov and Konstantin Samouylov    
The roll-outs of fifth-generation (5G) New Radio (NR) systems operating in the millimeter-wave (mmWave) frequency band are essential for satisfying IMT-2020 requirements set forth by ITU-R in terms of the data rate at the access interface. To overcome mm... ver más
Revista: Future Internet    Formato: Electrónico

 
en línea
Piotr Górniak    
In the paper, the author deals with modeling the stochastic behavior of ordinary patch antennas in terms of the mean and standard deviation of their reflection coefficient |S11| under the geometrical uncertainty associated with their manufacturing proces... ver más
Revista: Algorithms    Formato: Electrónico

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