Concurrent Mode-Division Multiplexed Half-Mode Substrate-Integrated Waveguide Link With Three Independent Data Channels
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 (<inline-formula><tex-math notation...
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IEEE
2025-01-01
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| Series: | IEEE Journal of Microwaves |
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| Online Access: | https://ieeexplore.ieee.org/document/10795442/ |
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| author | Mohamed Elsawaf Constantine Sideris |
| author_facet | Mohamed Elsawaf Constantine Sideris |
| author_sort | Mohamed Elsawaf |
| collection | DOAJ |
| description | 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 (<inline-formula><tex-math notation="LaTeX">$TE_{0.50}$</tex-math></inline-formula> and <inline-formula><tex-math notation="LaTeX">$TE_{1.50}$</tex-math></inline-formula>). 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 <inline-formula><tex-math notation="LaTeX">$TE_{0.50}$</tex-math></inline-formula> modes along the two HMSIWs, and 3.6 GHz of the first higher-order mode <inline-formula><tex-math notation="LaTeX">$TE_{1.50}$</tex-math></inline-formula> (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. |
| format | Article |
| id | doaj-art-7e63377ee7fb42f59e9c06015825f3e4 |
| institution | Kabale University |
| issn | 2692-8388 |
| language | English |
| publishDate | 2025-01-01 |
| publisher | IEEE |
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| series | IEEE Journal of Microwaves |
| spelling | doaj-art-7e63377ee7fb42f59e9c06015825f3e42025-01-15T00:04:03ZengIEEEIEEE Journal of Microwaves2692-83882025-01-015115015910.1109/JMW.2024.350628510795442Concurrent Mode-Division Multiplexed Half-Mode Substrate-Integrated Waveguide Link With Three Independent Data ChannelsMohamed Elsawaf0https://orcid.org/0000-0003-0474-2012Constantine Sideris1https://orcid.org/0000-0002-3042-4889Ming Hsieh Department of Electrical Engineering, University of Southern California, Los Angeles, CA, USAMing Hsieh Department of Electrical Engineering, University of Southern California, Los Angeles, CA, USAThis 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 (<inline-formula><tex-math notation="LaTeX">$TE_{0.50}$</tex-math></inline-formula> and <inline-formula><tex-math notation="LaTeX">$TE_{1.50}$</tex-math></inline-formula>). 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 <inline-formula><tex-math notation="LaTeX">$TE_{0.50}$</tex-math></inline-formula> modes along the two HMSIWs, and 3.6 GHz of the first higher-order mode <inline-formula><tex-math notation="LaTeX">$TE_{1.50}$</tex-math></inline-formula> (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.https://ieeexplore.ieee.org/document/10795442/Bandwidth densityhalf-mode substrate-integrated waveguide (HMSIW)interconnectmulti-modemulti-channelwireline |
| spellingShingle | Mohamed Elsawaf Constantine Sideris Concurrent Mode-Division Multiplexed Half-Mode Substrate-Integrated Waveguide Link With Three Independent Data Channels IEEE Journal of Microwaves Bandwidth density half-mode substrate-integrated waveguide (HMSIW) interconnect multi-mode multi-channel wireline |
| title | Concurrent Mode-Division Multiplexed Half-Mode Substrate-Integrated Waveguide Link With Three Independent Data Channels |
| title_full | Concurrent Mode-Division Multiplexed Half-Mode Substrate-Integrated Waveguide Link With Three Independent Data Channels |
| title_fullStr | Concurrent Mode-Division Multiplexed Half-Mode Substrate-Integrated Waveguide Link With Three Independent Data Channels |
| title_full_unstemmed | Concurrent Mode-Division Multiplexed Half-Mode Substrate-Integrated Waveguide Link With Three Independent Data Channels |
| title_short | Concurrent Mode-Division Multiplexed Half-Mode Substrate-Integrated Waveguide Link With Three Independent Data Channels |
| title_sort | concurrent mode division multiplexed half mode substrate integrated waveguide link with three independent data channels |
| topic | Bandwidth density half-mode substrate-integrated waveguide (HMSIW) interconnect multi-mode multi-channel wireline |
| url | https://ieeexplore.ieee.org/document/10795442/ |
| work_keys_str_mv | AT mohamedelsawaf concurrentmodedivisionmultiplexedhalfmodesubstrateintegratedwaveguidelinkwiththreeindependentdatachannels AT constantinesideris concurrentmodedivisionmultiplexedhalfmodesubstrateintegratedwaveguidelinkwiththreeindependentdatachannels |