A Compact Frequency Diversity Antenna with DGS and SRR Mode Switching for LTE and WLAN/WiMAX Wireless Systems

  • Tushar P. DaveEmail author
  • Jagdish M. Rathod


The integration of a compact antenna design with frequency diversity in a wireless system is challenging. In this work, a planar antenna using defective ground and coarse frequency switching with connected split ring resonator through PIN diodes are presented. The antenna design is based on connected radial stubs which form a circular patch. Slots in the bottom plane create a corrugation-like structure, and it results in the defective ground, which contributes to the localization of electric flux at the different area for multiband operation. The antenna was simulated and fabricated on a 1.6 mm thick FR-4 substrate. The coarse tuning of the frequency band is tested and compared with the simulation data. The measured results depict broadside radiation pattern at different frequency with a peak gain of 3.72 dBi. The compact size (45 × 45 mm2) and diversity frequency resonance in the antenna makes it suitable for LTE and WLAN/WiMAX application systems.


Defective ground Frequency reconfigure LTE band 



The authors thank the Electronics Engineering Department, Sardar Vallabhbhai National Institute of Technology, Surat, for providing the antenna measurement facility. They also thank the principal of B. V. M. Engineering Colleges for providing necessary materials and research support.


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© Springer Science+Business Media, LLC, part of Springer Nature 2020

Authors and Affiliations

  1. 1.Electronics and Communication Engineering DepartmentGovernment Engineering CollegeSuratIndia
  2. 2.Electronics Engineering DepartmentBirla Vishvakarma MahavidyalayaVallabh VidyanagarIndia

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