Miniaturized omnidirectional radiation unit applied to indoor distribution antenna

By designing a miniaturized omnidirectional radiation unit for partition antennas, combining high dielectric constant dielectric and probe coupled feeding technology, the complexity and insufficient performance of traditional antennas in multi-band environments are solved, and the effects of miniaturization, broadband and high gain are achieved.

CN119764843AActive Publication Date: 2025-04-04ZHONGTIAN COMM TECH CO LTD +2
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Patent Information

Application Number
CN202510259490.5
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-03-06
Publication Date
2025-04-04
Estimated Expiration
2045-03-06

AI Technical Summary

Technical Problem

Traditional single-frequency antennas cannot meet the needs in a multi-band communication environment, which increases system complexity and cost. At the same time, the bandwidth of microstrip patch antennas is narrow, has low gain and is susceptible to dielectric loss, which limits its application range.

Method used

A miniaturized omnidirectional radiation unit applied to chamber antennas is designed, including grounding plates, high dielectric constant medium, radiation patch, coupled patch and probes. Through the coupling feeding method of probes and coupled patches, stable impedance matching between the main mode and the high-order mode is achieved, and direct feeding through high dielectric constant medium is obtained to obtain additional dielectric resonator radiation mode.

Benefits of technology

It realizes the characteristics of miniaturization, broadband and high gain, optimizes impedance matching performance, and is suitable for a variety of mobile communications and satellite communication fields, reducing costs and improving signal coverage efficiency.

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Abstract

The invention provides a miniaturized omnidirectional radiation unit applied to an indoor distribution antenna, and relates to the technical field of communication. The miniaturized omnidirectional radiation unit applied to the indoor distribution antenna comprises a probe, and a grounding plate, a high dielectric constant medium, a radiation patch and a coupling patch which are stacked in sequence. Wherein the coupling patch is electrically isolated from the radiation patch, and the coupling patch corresponds to the center of the radiation patch. And one end of the probe is connected with the feed port, and the other end of the probe sequentially penetrates through the grounding plate, the high-dielectric-constant medium and the radiation patch to be electrically contacted with the coupling patch. The miniaturized omnidirectional radiation unit applied to the indoor distribution antenna provided by the invention has the characteristics of miniaturization, broadband and high gain, optimizes the impedance matching performance, and is suitable for various mobile communication and satellite communication fields.
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