A closed-form analysis of printed wide-slot antennas

Yuehe Ge, Karu P. Esselle*

*Corresponding author for this work

    Research output: Contribution to journalArticlepeer-review

    2 Citations (Scopus)


    A mixed-potential integral equation is formulated for the wide-slot antenna, fed by a microstrip line, and solved using the method of moments (MoM). Our MoM implementation makes use of the Ge and Esselle (G-E) closed-form Green's functions for layered substrates. The key advantage of this new approach is that all the MoM matrix elements are evaluated using closed-form expressions, without any numerical integration, and with minimal approximations. Hence a significant increase in computational efficiency has been achieved while maintaining the high precision of the full-wave MoM. The numerical results obtained from the new method are compared with measured results, and good agreements are observed.

    Original languageEnglish
    Pages (from-to)389-397
    Number of pages9
    JournalInternational Journal of RF and Microwave Computer-Aided Engineering
    Issue number5
    Publication statusPublished - Sept 2003


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