Design and Analysis of Compact Circular Half-Ring Monopole Antenna with DGS

  • S. S. Mohan ReddyEmail author
  • P. Mallikarjuna Rao
  • B. Prudhvi Nadh
  • B. T. P. Madhav
  • K. Aruna Kumari
Conference paper
Part of the Smart Innovation, Systems and Technologies book series (SIST, volume 77)


A compact circular monopole shaped antenna is designed to operate at the dual band, and it is modified as half circle strip loaded circular monopole antenna with defected ground structure (DGS). The proposed antenna consisting of the combination of circular radiating element and half circle strip on the top side of the FR4 substrate material with permittivity 4.4. The bottom side a dumbbell-shaped DGS is incorporated to enhance the antenna bandwidth parameter. The proposed antenna is providing a bandwidth of 8 GHz and covering the UWB range. A peak realized a gain of more than 3 dB and directivity of 3.6 dB is achieved from the current design. The proposed antenna is providing excellent impedance and radiation characteristics in the operating band.


Circular monopole Defected ground structure (DGS) Half ring Permittivity Wideband 



Authors like to convey their sincere thanks to the dept of ECE of SRKR Engineering College and K L University for the support during this process. Madhav likes to express his thanks to DST through Grants ECR/2016/000569 and SR/FST/ETI-316/2012.


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Copyright information

© Springer Nature Singapore Pte Ltd. 2018

Authors and Affiliations

  • S. S. Mohan Reddy
    • 1
    Email author
  • P. Mallikarjuna Rao
    • 2
  • B. Prudhvi Nadh
    • 1
  • B. T. P. Madhav
    • 3
  • K. Aruna Kumari
    • 4
  1. 1.Department of ECESRKR College of EngineeringBhimavaramIndia
  2. 2.Department of Electronics and Communication EngineeringAndhra UniversityVisakhapatnamIndia
  3. 3.Department of ECEK L UniversityGunturIndia
  4. 4.Department of CSESRKR College of EngineeringBhimavaramIndia

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