Dual‐polarized filtering antenna with harmonic suppression for base station applications

摘要

Abstract > A dual‐polarized filtering antenna (DPFA) with high‐order harmonics suppression for 690‐960?MHz based station applications is proposed in this letter. The proposed DPFA is obtained by integrating a miniaturized lowpass filter with a ±45° dual‐polarized antenna (DPA) which made by two crossed dipoles. With the miniaturized lowpass filter, harmonic suppression is easily achieved by the proposed DPFA without increase its size. The experimental results which agree with the computer simulations show that wide impedance bandwidth (| <fi>S</fi> <sub>11</sub> |???15?dB) of 43.2% (690‐1070?MHz) and harmonic suppression frequency up to 4.5 GHz are realized. In the operating frequency band (690‐960?MHz), port‐to‐port isolation of more than 35?dB, cross‐polarization discrimination of more than 27?dB, 3‐dB beamwidth of 68.8°?±?2.1°, efficiency of more than 82%, and stable gain of 8.2?±?0.5 dBi are obtained by the proposed DPFA. In addition, radiation suppression of more than 18?dB in the interference bands (1690‐2690?MHz and 3300‐3800?MHz) is obtained. </abstract> </span> <span class="z_kbtn z_kbtnclass hoverxs" style="display: none;">展开▼</span> </div> <div class="translation abstracttxt"> <span class="zhankaihshouqi fivelineshidden" id="abstract"> <span>机译：</span><abstract type =“main”xml：lang =“en”> <标题类型=“main”>抽象</ title> > 双极化天线滤波（DPFA）与高次谐波抑制为690-960？兆赫基于站的应用程序在该信提出。所提出的DPFA由小型化的低通滤波器与由两个交叉偶极子由±45°双极化天线（DPA）积分而获得。随着小型化的低通滤波器，谐波抑制很容易被提出DPFA没有增加它的大小来实现的。这与计算机模拟同意实验结果表明，广泛的阻抗带宽（| <网络>取值</ FI> <sub> 11 </ sub> |＆LT;？？？？？？15的43.2％（690-1070兆赫）和谐波抑制频率高达分贝）至4.5 GHz的被实现。在工作频带（690-960？兆赫），端口到端口的隔离超过35？分贝，波束宽度的68.8°？±？2.1超过27？分贝，3分贝的交叉极化鉴别°， 8.2？±？0.5 dBi的稳定的超过82％的效率和增益被提出DPFA获得。另外，获得在干涉带超过18？分贝的辐射抑制（1690年至2690年？MHz和3300-3800？兆赫）。 </ p> </摘要> </span> <span class="z_kbtn z_kbtnclass hoverxs" style="display: none;">展开▼</span> </div> </div> <div class="record"> <h2 class="all_title" id="enpatent33" >著录项</h2> <ul> <li> <span class="lefttit">来源</span> <div style="width: 86%;vertical-align: text-top;display: inline-block;"> <a href='/journal-foreign-24977/'>《Microwave and optical technology letters》</a> <b style="margin: 0 2px;">|</b><span>2020年第5期</span><b style="margin: 0 2px;">|</b><span>共7页</span> </div> </li> <li> <div class="author"> <span class="lefttit">作者</span> <p id="fAuthorthree" class="threelineshidden zhankaihshouqi"> </p> <span class="z_kbtnclass z_kbtnclassall hoverxs" id="zkzz" style="display: none;">展开▼</span> </div> </li> <li> <div style="display: flex;"> <span class="lefttit">作者单位</span> <div style="position: relative;margin-left: 3px;max-width: 639px;"> <div class="threelineshidden zhankaihshouqi" id="fOrgthree"> </div> <span class="z_kbtnclass z_kbtnclassall hoverxs" id="zhdw" style="display: none;">展开▼</span> </div> </div> </li> <li > <span class="lefttit">收录信息</span> <span style="width: 86%;vertical-align: text-top;display: inline-block;"></span> </li> <li> <span class="lefttit">原文格式</span> <span>PDF</span> </li> <li> <span class="lefttit">正文语种</span> <span>eng</span> </li> <li> <span class="lefttit">中图分类</span> <span><a href="https://www.zhangqiaokeyan.com/clc/1165.html" title="光学">光学;</a></span> </li> <li class="antistop"> <span class="lefttit">关键词</span> <p style="width: 86%;vertical-align: text-top;"> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=±45° dual‐polarized&option=203" rel="nofollow">±45° dual‐polarized;</a> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=base station antenna&option=203" rel="nofollow">base station antenna;</a> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=filtering antenna&option=203" rel="nofollow">filtering antenna;</a> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=harmonic suppression&option=203" rel="nofollow">harmonic suppression;</a> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=lowpass filter&option=203" rel="nofollow">lowpass filter;</a> </p> <div class="translation"> 机译：±45°双极化;基站天线;过滤天线;谐波抑制;低通滤波器; </div> </li> </ul> </div> </div> <div class="literature cardcommon"> <div class="similarity "> <h3 class="all_title" id="enpatent66">相似文献</h3> <div class="similaritytab clearfix"> <ul> <li class="active" >外文文献</li> <li >中文文献</li> <li >专利</li> </ul> </div> <div class="similarity_details"> <ul > <li> <div> <b>1. </b><a class="enjiyixqcontent" href="/journal-foreign-detail/0704019949322.html">Dual‐polarized filtering antenna with harmonic suppression for base station applications</a> <b>[J]</b> . <span> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=&option=202" target="_blank" rel="nofollow" class="tuijian_auth tuijian_authcolor"> </a> <a href="/journal-foreign-24977/" target="_blank" rel="nofollow" class="tuijian_authcolor">Microwave and optical technology letters 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