Loaded resonator-based triple-frequency microstrip slot antenna

A technology of microstrip slots and resonators, applied in the field of triple-band microstrip slot antennas, can solve problems such as complex antenna structures and complex tuning processes, and achieve the effects of simple frequency band adjustment, improved signal-to-noise ratio, and high degree of design freedom

Pending Publication Date: 2017-09-22
SOUTH CHINA UNIV OF TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] In 2017, Saber Soltani et al. published a paper titled "A Dual-Band Multiport MIMO Slot Antenna for WLAN Applications" on IEEE ANTENNAS AND WIRELESS PROPAGATIONLETTERS. In this paper, the author etched a multi-slot structure on the microstrip board floor to realize the dual-band effect. But the antenna structure is complicated and the tuning process is complicated
[0007] In general, the research on microstrip antennas is changing with each passing day, but there are still many deficiencies in multi-frequency antennas.

Method used

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  • Loaded resonator-based triple-frequency microstrip slot antenna
  • Loaded resonator-based triple-frequency microstrip slot antenna
  • Loaded resonator-based triple-frequency microstrip slot antenna

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Embodiment Construction

[0023] The present invention will be further described below in conjunction with specific embodiments.

[0024] see figure 1 As shown, the three-frequency microstrip slot antenna provided in this embodiment includes a dielectric substrate 5 and an input port 1 fabricated on the dielectric substrate 5, a first loaded resonator 2, a second loaded resonator 3 and a rectangular The floor of the slot 4, the first loading resonator 2 and the second loading resonator 3 are respectively loaded on the rectangular slot 4 of the floor to obtain the three-frequency radiation characteristics, and at the same time, the feeder of the input port 1 is directly loaded on the rectangular slot 4. incentive gap. In addition, in order to reduce the overall size, both the first loaded resonator 2 and the second loaded resonator 3 are properly bent. The three passband center frequencies of the three-frequency microstrip slot antenna designed in this embodiment are 2.4GHz, 3.5GHz, and 5.2GHz respect...

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Abstract

The invention discloses a loaded resonator-based triple-frequency microstrip slot antenna. The loaded resonator-based triple-frequency microstrip slot antenna comprises a dielectric substrate and an input port, a first loaded resonator, a second loaded resonator and a floor with a slot which are manufactured on the substrate, wherein the first loaded resonator and the second loaded resonator are loaded on the slot of the floor separately to obtain the triple-frequency radiation characteristic; and the feeder line of the input port is directly loaded on the slot for exciting the slot. The loaded resonator-based triple-frequency microstrip slot antenna can realize high radiation characteristic and can satisfy multi-frequency working requirement, and has the advantages of flexible design, low profile, low cost and the like.

Description

technical field [0001] The invention relates to the technical field of antennas, in particular to a triple-frequency microstrip slot antenna based on a loaded resonator. Background technique [0002] With the rapid development of wireless communication in recent years, the application of antennas has become more and more extensive, and the performance requirements of antennas have also become higher and higher. Antennas, as an integral part of communication systems, play an important role in transmitting and receiving radio frequency signals. Today's communication systems require antenna radiation performance, but also require characteristics such as small size, light weight, low cost, and simple design. In order to realize the multi-frequency operation of the antenna, one way is to design an ultra-wideband antenna to cover all passbands, and then filter the signal to obtain the required information, but this design will inevitably reduce the signal-to-noise ratio of the co...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01Q1/50H01Q13/10
CPCH01Q1/50H01Q13/106
Inventor 钱建锋陈付昌
Owner SOUTH CHINA UNIV OF TECH
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