Omnidirectional-antenna device used for router

Abstract

The invention discloses an omnidirectional antenna used for a router and an omnidirectional-antenna device used for the router. The omnidirectional-antenna device includes an antenna support rod, an antenna, a first reflector, a second reflector and a power divider. The bottom end of the antenna support rod is connected with a host of the router in a rotatable manner. The first reflector, the second reflector, the antenna and the power divider are installed on the antenna support rod. The first reflector and the second reflector are conical reflectors, the upper ends and lower ends of which are all open. A small open end of the first reflector faces downwards and a small open end of the second reflector faces upwards. The omnidirectional antenna used for the router targets at defects of the prior art and a slot antenna theory, a geometrical diffraction theory and a rotating field theory are used to design the novel omnidirectional antenna. The antenna is better in double-frequency impedance characteristic and better in omnidirectional radiation characteristic in a work frequency and has the advantages of being simple in structure, wide in frequency band, minisize and high in gain and has popularization values.

Description

technical field [0001] The invention relates to a router antenna device, in particular to an omnidirectional antenna device for a router. Background technique [0002] With the rapid development of wireless communication technology and microelectronic technology, more and more mobile communication products require broadband and miniaturization design. Especially with the rapid development of electronic warfare, electronic reconnaissance, wireless detection and management, the antenna as an important part of wireless communication is also required to develop in the direction of wide frequency band, high gain, and miniaturization. Good omnidirectional radiation characteristics, so the application of omnidirectional antennas has attracted extensive research. Antennas and repeater antennas for mobile communication have been successfully used, especially since the successful operation of 3G communication, various broadband and miniaturized omnidirectional antennas have emerged o...

AI Technical Summary

Problems solved by technology

With the complexity of the city layout and the surrounding environment, the electric wave is reflected by multiple paths and finally reaches the user terminal. The polarization rotation of the electric wave may occur in the air, so the volume placed in the appropriate position is larger, and the gain becomes lower due to certain influences

But none of these antennas can combine the advantages of broadband, miniaturization and high gain

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