Simple Half-Wave Dipole Antenna Analysis for Wireless Applications by CST Microwave Studio

Tareq, Mohammad; Alam, Dewan Ashraful; Islam, Mazidul; Ahmed, Razin

doi:10.5120/16355-5734

Cited by 17 publications

(7 citation statements)

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“…13 A Wi-Fi router's antenna converts the electrical signal form of data to electromagnetic (EM) waves and emits to the atmosphere, and vice versa. 14,15 Three major types of Wi-Fi antenna exist: omni-directional, semi-directional, and directional. Omnidirectional antennae can radiate equal magnitudes of power in all directions.…”

Section: General Backgroundmentioning

confidence: 99%

“…Two-way traffic system of Wi-Fi. 15 In performing tasks online using Wi-Fi, a wireless adapter in a computer translates input data to a radio signal. The radio signal is then transmitted via an antenna to a decoder, otherwise known as a router.…”

Section: General Backgroundmentioning

confidence: 99%

“…Figure 2: Expected dispersion pattern of router's omni-directional antenna 15 The electric field distribution (top), the polar plot of the azimuthal angle (bottom left) and the elevation angle (bottom right) of the antenna are shown. The strength of the electric field distribution of the antenna is shown by blue to red, the minimum to the maximum radiation.…”

Section: General Backgroundmentioning

confidence: 99%

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Impact of Wi-Fi Energy on EZ Water

Lee

Pollack

2021

Preprint

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It is well known that there are three phases of water: gas, liquid and solid. Yet, recently, a fourth phase, known as Exclusion Zone (EZ) water, has been identified. The fourth phase is the major constituent in cells, which cannot function without an ample supply. Here, we report on how Wi-Fi, as an external source of disturbance, impacts EZ water. Thus, the size of EZ was measured under Wi-Fi exposure. It was tracked for 20 minute periods, and at various displacements of the Wi-Fi source. We found a diminution of EZ size by 15 - 20 %, and a negative impact of Wi-Fi on EZ size with shorter displacements. Thus, Wi-Fi exposure may impact cell functionality.

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Section: General Backgroundmentioning

confidence: 99%

Section: General Backgroundmentioning

confidence: 99%

Section: General Backgroundmentioning

confidence: 99%

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Impact of Wi-Fi Energy on EZ Water

Lee

Pollack

2021

Preprint

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“…The dipole antenna is a very familiar practical antenna [18]. There are many types of dipole antennas, such are Hertzian dipole, short dipole, and half wave dipole [18].…”

mentioning

confidence: 99%

“…The dipole antenna is a very familiar practical antenna [18]. There are many types of dipole antennas, such are Hertzian dipole, short dipole, and half wave dipole [18]. Among these, the half-wave dipole is a widely used antenna due to its advantages [9].…”

mentioning

confidence: 99%

Array Design Using Genetic Algorithm for the Generation of Sum and Difference Patterns

Ramya.

Raju

2023

IJEER

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In the field of pattern synthesis, the design of arrays to synthesis optimized sum and difference patterns in a successive manner is an important problem in most of the radars. Although several researchers published many papers in the open literature, investigations are made by the authors to design arrays of discrete radiators using a well-formulated Genetic Algorithm (GA). The practical constraints are taken into account to design an amplitude distribution to produce the sum pattern with desired side lobe levels without broadening the main beam. Such sum patterns are found to be very useful in high-resolution radars where the EMI problems are also addressed. In IFF radars, both sum and difference patterns are extremely useful to distinguish between friendly aircraft and enemy aircraft. Such patterns are conventionally produced involving two antennas. One is a directional antenna and another is an omnidirectional antenna. However, in the present work, they are generated using only one directional antenna. The patterns with a deep null in the boresight direction and difference lobes with a high slope are produced with an antiphase excitation to one-half of the array.

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