A notch antenna with a slot structure and a gateway device having the antenna

Abstract

The invention discloses a notch antenna with a slot structure and a gateway device with the antenna, which includes a dielectric substrate, an antenna radiation unit is arranged on the upper surface of the dielectric substrate, and the antenna radiation unit includes a radiation patch and is connected with the radiation patch. The microstrip feeder connected to the open end of the bottom of the patch, the surface of the radiation patch is provided with two "L" shaped slits; the lower surface of the dielectric substrate is used for grounding, and the lower surface of the dielectric substrate is provided with special-shaped openings Slot, the irregular slot includes a plurality of rectangular slots, one or both ends of the plurality of rectangular slots are connected to each other according to rules, the relative position of the irregular slot and the antenna radiation unit on the upper surface of the dielectric substrate overlap at least partially. Based on this solution, the filtering performance of the antenna can be improved, the filtering pressure of the gateway device can be reduced, the cost can be reduced, and the stability of data transmission can be improved.

Description

technical field [0001] The present application relates to the technical field of wireless communication, and in particular to a notch antenna with a slot structure and a gateway device having the antenna. Background technique [0002] The radio frequency signal power output by the radio transmitter is sent to the antenna through the feeder (cable), and is radiated by the antenna in the form of electromagnetic waves. After the electromagnetic wave reaches the receiving location, it is followed by the antenna (receiving only a small part of the power), and sent to the radio receiver through the feeder. It can be seen that the antenna is an important radio device for transmitting and receiving electromagnetic waves, and there is no radio communication without the antenna. With the development of communication technology, wireless communication devices such as mobile phones, personal digital assistants, and notebook computers have been widely used. These wireless communication ...

AI Technical Summary

Problems solved by technology

[0005] In the existing technology, with the increasing requirements of various services and frequencies, this requires the antenna of the gateway device (such as the LoRa gateway device) to have more stable data signal transmission performance. However, the existing antenna is very susceptible to filtering pressure. , and the existing antenna has a complex structure, takes up a large space, and has high cost. Therefore, the existing gateway device antenna has poor filtering performance and unstable data transmission, which is not conducive to the wide application of LoRa technology.

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