نتایج جستجو برای: beam forming

تعداد نتایج: 225735  

2017
Anuar D. J. Fernandez-Olvera Davide Melazzi Vito Lancellotti

We present the numerical parametric study of a reconfigurable plasma antenna array (PAA) composed of a metallic half-wavelength dipole and a set of cylindrical plasma discharges arranged in a planar square lattice. Our results, obtained with the linear embedding via Green’s operators (LEGO) method, indicate that beam-forming and beam-steering functionality can be achieved and controlled by appr...

2014
AHMED KAUSAR Ahmed Kausar Hamood ur Rahman Shafaq Kausar Tayyab Hassan

We have proposed design of ESPAR (Electronically Steerable Parasitic Array Radiator) antenna that is capable of electronic beam steering in order to avoid interference, null is placed in direction of interference source whereas maxima is placed in direction of desired signal source. Paper includes formulation of mathematical model, simulation and later designing of ESPAR antenna capable of dyna...

Journal: :JNW 2014
Mingxin Wu

Coordinated Multi-Point transmission/reception (CoMP) can increase the performance of the cell edge users, the spectrum efficiency and mitigate the inter-cell interference among cells. In the CoMP scenario, several base stations which usually need satisfy the cooperating condition serve a single or several cell-edge users cooperatively. As we know, the CoMP techniques can be characterized into ...

Journal: :The Journal of Korean Institute of Electromagnetic Engineering and Science 2014

Journal: :DEStech Transactions on Engineering and Technology Research 2017

Journal: :International Journal of Microwave and Wireless Technologies 2011

Journal: :Electronics 2022

A novel design method of simultaneous beam forming and focusing using a checkerboard anisotropic surface is proposed verified in this paper. The multibeam control regardless far near regions can easily be achieved through rearrangement the structure. unit cell utilized consists two identical metallic structures divided by dielectric material. When EM wave with circular polarization (CP) inciden...

Journal: :International Journal of Computer Applications 2013

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