Concurrent Mode-Division Multiplexed Half-Mode Substrate-Integrated Waveguide Link With Three Independent Data Channels

IF 6.9 Q1 ENGINEERING, ELECTRICAL & ELECTRONIC
Mohamed Elsawaf;Constantine Sideris
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引用次数: 0

Abstract

This article introduces a three-channel half-mode substrate-integrated waveguide (HMSIW) link. The link achieves three independent channels by stacking two HMSIWs vertically, with one of them utilizing both the fundamental and the first higher-order modes ($TE_{0.50}$ and $TE_{1.50}$). Methods for selective excitation of both modes with good overall cross-modal isolation are introduced and presented. Furthermore, real-time eye-diagram measurements of the link using a pseudo-random binary sequence (PRBS) and on-off keying (OOK) modulation are presented in addition to a full MATLAB simulation model of the link showing its performance under quadrature amplitude modulation (QAM). The measured 10-dB return loss (RL) BW of the channels are more than 4 GHz (12–16 GHz) for the $TE_{0.50}$ modes along the two HMSIWs, and 3.6 GHz of the first higher-order mode $TE_{1.50}$ (12.1–15.7 GHz), corresponding to a concurrent bandwidth of 3.6 GHz with more than 15 dB of isolation between the channels. To the best of our knowledge, this is the first demonstration of a three-channel link using HMSIWs. The structure is fabricated and measurements agree well with the electromagnetic simulations.
具有三个独立数据通道的并发模分多路半模基片集成波导链路
本文介绍了一种三通道半模基板集成波导(HMSIW)链路。该链路通过垂直堆叠两个hmsiw来实现三个独立通道,其中一个同时利用基本和第一高阶模式($TE_{0.50}$和$TE_{1.50}$)。介绍并提出了两种模态具有良好整体跨模态隔离的选择性激励方法。此外,采用伪随机二值序列(PRBS)和开关键控(OOK)调制对链路进行实时眼图测量,并给出了链路的完整MATLAB仿真模型,显示了其在正交调幅(QAM)下的性能。沿着两个hmsiw的$TE_{0.50}$模式的信道测量到的10-dB回波损耗(RL) BW大于4 GHz (12-16 GHz),第一个高阶模式$TE_{1.50}$ (12.1-15.7 GHz)的信道测量到的10db回波损耗(RL) BW大于3.6 GHz,对应的并发带宽为3.6 GHz,信道之间的隔离度大于15 dB。据我们所知,这是第一次使用hmsiw演示三通道链接。该结构已制成,测量结果与电磁仿真结果吻合良好。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
CiteScore
10.70
自引率
0.00%
发文量
0
审稿时长
8 weeks
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