Antenna array based on electromagnetic band gap structure
A technology of electromagnetic bandgap structure and antenna array, applied in antenna array, antenna, antenna coupling and other directions, can solve the problem of low isolation degree of EBG structure, achieve the effect of good isolation, improve isolation degree and reduce coupling
Active Publication Date: 2021-06-11
慧博云通科技股份有限公司
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Problems solved by technology
[0003] In related technologies, the commonly used antenna array structure is to load an EBG structure between two antenna units. The width of the EBG structure is 8.4mm. The specific EBG structure is: a plurality of periodically arranged rectangular grooves are arranged on the metal layer, However, the isolation of the EBG structure in this technical solution is low
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[0032] The following will clearly and completely describe the technical solutions in the embodiments of the present disclosure with reference to the accompanying drawings in the embodiments of the present disclosure. Apparently, the described embodiments are only some of the embodiments of the present disclosure, not all of them. Based on the embodiments in the present disclosure, all other embodiments obtained by persons of ordinary skill in the art based on the present application belong to the protection scope of the present disclosure.
[0033] An embodiment of the present disclosure provides an antenna array based on an electromagnetic bandgap structure to improve the isolation of the antenna array, so that the size of the antenna array based on an electromagnetic bandgap structure can be reduced as much as possible under the premise of meeting a specific isolation degree, so as to It is better suitable for small mobile terminals.
[0034] Such as figure 1 with figure ...
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The embodiment of the invention provides an antenna array based on an electromagnetic band gap structure, and the antenna array comprises a substrate which comprises a first plane and a second plane which are opposite to each other, wherein the second plane is a grounding plane; a first metal layer which is arranged on the first plane, wherein the first metal layer is provided with an electromagnetic band gap structure, the electromagnetic band gap structure comprises a plurality of patches, a plurality of capacitors and a plurality of inductors, the patches are arranged at intervals in a matrix shape, one capacitor is arranged between any two adjacent patches in the row direction, one capacitor is arranged between any two adjacent patches in the column direction, and each inductor is adjacent to the four capacitors which are arranged in a cross shape and is connected with at least three of the four adjacent patches; and a second metal layer which is arranged on the grounding plane, wherein the second metal layer is connected with the plurality of patches through a via hole structure.
Description
technical field [0001] The present disclosure relates to the technical field of wireless communication, in particular to an antenna array based on an electromagnetic bandgap structure. Background technique [0002] In recent years, with the rapid development of 5G, high-reliability and large-capacity wireless communication has become a communication technology of great interest to researchers. As we all know, adopting MIMO (multiple input multiple output, multiple input multiple output) technology can improve system reliability and channel capacity, and MIMO antennas usually occupy a small space along with the trend of miniaturization of mobile terminals and wireless devices. When multiple antennas are closely placed, the resulting high coupling is one of the most serious problems, and the high coupling will deteriorate the radiation performance of the MIMO antenna and the channel capacity of the MIMO system. At present, in order to improve port isolation and improve the hi...
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IPC IPC(8): H01Q21/00H01Q1/38H01Q1/50H01Q1/52
CPCH01Q21/00H01Q1/38H01Q1/50H01Q1/52
Inventor 谭晓华余浩邓路王卫民施炜
Owner 慧博云通科技股份有限公司