5G移动通信暗室双极化高隔离度探头天线设计

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中图分类号：TN828.6 文献标志码：A 文章编号：2095-2945（2025）29-0110-05

Abstract：Thispaperpresentsa Ku-banddual-polarizedhigh-probeantennafor5Ganechoicchambertesting.DualpolarizedfeedingisrealizedthroughTurnstil-typeorthogonalmodecouplers，andarectangular-arcquadrangulartruncated compoundmatchingstructureisinnovativelyproposedtooptimizestandingwavecharacteristics.Theuseofdual-slothoradiator combinedwithcorugatedgrooveregulationefectivelyexpandsthebeamwidth.Testresultsshowthattheantennahasdualpolarized standing wave of <1.6， isolation > -70 dB，gain>9 dBi，3dBbeam width>60 I∘ ，andexcellent far-field performance.In termsofprocessingtechnologyaapingsewassmblyhemeisproposed，hichsolvestheprocessingproblemoftraditioal orthogonal modecouplers.Theactualmeasurementaccuracyissignificantlyimproved，providingareliablesolution for 5G darkroom testing.

Keywords：orthogonal mode coupler;dual polarization;high isolation;darkroom；mobile communications

在5G通信系统中，天线设计不仅要满足频率与带宽要求，更需在高密度环境中关注隔离度和极化特性，以确保系统稳定性和抗干扰能力。（剩余5740字）