Ultra-wideband wifi microstrip antenna, amplification method and small wifi device

Abstract

The invention belongs to the technical field of antenna equipment, and discloses an ultra-wideband WIFI microstrip antenna, an amplification method and a small WIFI equipment. The upper surface of the headroom area is covered with a dielectric layer; the resonant ground section passes through the dielectric layer, and the first resonant circuit section Connected to the ground plane; the first resonant circuit section, the second resonant circuit section, the third resonant circuit section, and the fourth resonant circuit section are current return paths, which together form an unclosed resonant coupling cavity; the signal feed-in section passes the current signal The lead-in signal transmission section and the self-coupling resonance section; the first resonance circuit section, the second resonance circuit section, the third resonance circuit section and the signal transmission section are all provided with chamfers. The present invention sets 45° chamfers at all current corners to effectively reduce return loss. The antenna provided by the invention can remarkably increase the bandwidth, and at the same time has the advantages of small size, low return loss and high gain, has good directivity, and improves the energy efficiency of the antenna device as a whole.

Description

technical field [0001] The invention belongs to the technical field of antenna equipment, and in particular relates to an ultra-wideband WIFI microstrip antenna, an amplification method and a small WIFI equipment. Background technique [0002] At present, UWB technology is a new type of wireless communication technology. It solves the major problems related to propagation that have plagued traditional wireless technology for many years. It has the advantages of insensitivity to channel fading, low power spectral density of transmitted signals, low interception capability, low system complexity, and positioning accuracy of several centimeters. [0003] In recent years, with the rapid development of communication technology, antennas have been widely used in electronic countermeasure systems, ultra-wideband radar, satellite communication and other fields, and there are also extensive demands in high-speed wireless LAN, home network and wireless telephone. Therefore, it is of ...

AI Technical Summary

Problems solved by technology

[0006] CN110943291A: But the structure of the antenna is complicated, and the bandwidth is very low

[0007] CN108847523A: But the antenna has a multi-layer structure, takes up a lot of space, and cannot be applied to small devices

Poor practicality

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