[PDF] Top 20 Optimization of Impedance Plane Reducing Coupling between Antennas

... de- coupling grows not monotonically, but at the end of each period, the growth of the coupling coefficient is sharp near the minimum of the impedance, which is character- istic for the propagation ... See full document

... the coupling between compact planer monopole antenna and the ground plane such that the proposed antenna’s impedance matching can be fine tune and hence much enhanced impedance ... See full document

... Antennas size is determined by the operating frequency and they take the largest space in wireless ...systems. Reducing the antenna size can be very challenging as many factors need to be considered ... See full document

... ground plane is a simple and effective technique for reducing the mutual coupling [12– ...ground plane have been arrayed so as to make a band rejection filter to check the current on the ... See full document

... ground plane in ...monopole antennas placed perpendicularly to each other to achieve sound ...an impedance bandwidth of 3.1 – 10.6 GHz, low mutual coupling (S 21 ) less than -15 ... See full document

... mutual coupling and investigating various efficient techniques to reduce ...mutual coupling between the ...mutual coupling is developed in ...ground plane is another technique to reduce ... See full document

... for reducing mutual coupling between two diversity planar monopole antennas for WLAN ...ground plane. The method offers low mutual coupling between the studied antenna ... See full document

... Coupling between the microstrip antenna arrays is the essential problem that always ...reduce coupling between array antennas ...isolation between components ...reduce ... See full document

... of antennas on cylinders is found with purely reactive impedance of inductive character ...reactive impedance distribution on the surface of a cylinder (on a curved flange) leads to a significant in- ... See full document

... “normalized impedance” obtained considering that the cavity is overmoded and the eigenfunctions satisfy the “random plane wave” ...cavity impedance of a cavity which is perfectly coupled to its ... See full document

... the coupling between antennas located on the plane, using an inhomogeneous synthesized ...the plane at a certain height, and also the case with its location right on the ... See full document

... by reducing the ground plane ...capacitance between ground plane and patch decreases, thus increasing the ...the impedance bandwidth on a relatively thin substrate by employing slots ... See full document

... In this paper the patttern and simulation of Planar Inverted F Antenna (PIFA) with slotted ground Plane is proposed. The proposed antenna is designed using HFSS 12.1on a FR4 (Epoxy Glass) Substrate of size 100mm x ... See full document

... The simulated S parameters of the adjusted antennas (dimensions are listed in Table 2) are illustrated in Figure 4. It may be seen that the fractional BW of the original patch antenna is 1.9%. The central ... See full document

... of impedance synthesis of the antenna array RP proposed earlier by the authors in [6] for a linear array of symmetrical vibrators excited by concentrated voltage generators is generalized for plane 2D ... See full document

... Figure 8 shows the optimized configuration of the proposed antenna with 4 arrays of loops and dipoles ar- ranged in 4 directions symmetrically towards each other with port assignments as numbered. The vertical pola- ... See full document

... choice between these two prototypes is a trade off between beam scanning capability, isolation level, electrical/mechanical beam steering, speed and ...steering antennas is the beam-width in the far ... See full document

... Electromagnetic numerical modelling applied to engineering problems of human exposure to radiowaves has been presented. The FDTD is able to deal with high resolution human body models. Depending on the type of ... See full document

... calculate the surface impedance of the metamaterial LR-5I [13]. This metamaterial was developed to provide resonant absorption of electromagnetic waves in the vicinity of the frequency f ≈ 2.8 GHz. The ... See full document

... added into the multiple antenna systems as shown in Fig. 1. It is equivalent to make the off-diagonal elements of the scattering matrix S II at the end plane II equal zero, namely S ij II = 0, i = j , and i , j = 1 ... See full document