A Compact CPW-Fed UWB Antenna with Dual-Band Notched Characteristics for WiMAX/WLAN Applications

Authors

  • Rabah W. Aldhaheri Department of Electrical and Computer Engineering King Abdulaziz University, Jeddah 21589, Saudi Arabia
  • Ibrahim S. Alruhaili Department of Electrical and Computer Engineering King Abdulaziz University, Jeddah 21589, Saudi Arabia
  • Kamili J. Babu Department of Electronics & Communication Engineering St. Ann’s College of Engineering & Technology, Chirala, India
  • Muntasir M. Sheikh Department of Electrical and Computer Engineering King Abdulaziz University, Jeddah 21589, Saudi Arabia

Keywords:

CPW fed antenna, dual-band-notched characteristics, Ultra-Wideband (UWB), C-shaped stub

Abstract

A dual-notched bands ultra-wideband (UWB) antenna with coplanar waveguide (CPW) fed is presented in the paper. The two notched bands are selected at 3.5 and 5.8 GHz frequencies to overcome the interference from WiMAX and WLAN bands. The overall size of the antenna is 17.5×17.5 mm2, which can be considered as one of the smallest UWB antennas in the literature. The developed antenna has an impedance band width ranging from 2.9 to 13 GHz. The measured radiation patterns on E and H planes are nearly omni-directional and stable with acceptable gain over the entire band. The dual-band notched at WiMAX and WLAN is created by embedding I-shaped and C-shaped stubs in the radiation patch of the antenna. Due to the compactness, good radiation patterns and the reasonable stable gain, this antenna is well suited for integration into portable wireless communications devices for UWB applications.

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Author Biographies

Rabah W. Aldhaheri, Department of Electrical and Computer Engineering King Abdulaziz University, Jeddah 21589, Saudi Arabia

Rabah W. Aldhaheri received his Ph.D. degree from Michigan State University in 1988, in Electrical and Computer Engineering. He is currently a Full Professor in the Department of Electrical and Computer Engineering, King Abdulaziz University (KAU), Jeddah, Saudi Arabia. He served as the Head of the Department of Electrical and Computer Engineering at KAU from May 2005 till May 2011. He is currently serving as the Founder and Director of the Microelectronics and RF Circuits Laboratory, FSS and Metamaterial Research Laboratory and the Head of the Communication Systems and Networks Research Group. Aldhaheri has held Visiting Research Scholar positions with Michigan State University during 1994- 1995, and Queensland University of Technology (QUT) in Brisbane, Australia in 2000. His research interests include digital signal processing with application to filter design, and biometric recognition, microelectronics devices; and wireless communications, particularly, antennas design for UWB communication, medical imaging, RFID readers and Frequency Selective Surfaces (FSS).

Ibrahim S. Alruhaili, Department of Electrical and Computer Engineering King Abdulaziz University, Jeddah 21589, Saudi Arabia

Ibrahim S. Alruhaili was born in Madinah, KSA 1973. He received his B.Sc. in Electrical and Telecommunication Engineering from King Fahad University for Petroleum and Minerals (KFUPM) Dhahran, KSA, in 1998 and M.Sc. degrees in Electronics and Communication, from King Abdulaziz University, Jeddah, KSA in 2016. His primary research interests are in high speed design, printed circuits boards, signal integrity, RF and antenna design

Kamili J. Babu, Department of Electronics & Communication Engineering St. Ann’s College of Engineering & Technology, Chirala, India

Jagadeesh Babu Kamili was born in Chirala, Andhra Pradesh, India in 1978. He received B.Tech. degree from SVH College of Engineering, Machilipatnam in the year 1999, M.Tech. and Ph.D. degrees from Jawaharlal Nehru Technological University, Hyderabad, India in 2006 and 2013 respectively. Presently working as Professor and Head of the Department at St. Ann’s College of Engineering & Technology, Chirala, India. Also, he is a Postdoctoral Researcher under Certificate of Excellence in Research program from Indian Institute of Technology Kharagpur, India. He received Travel Grant from SERB, Department of Science and Technology (DST), India to attend International Conference PIERS-2017 in Singapore. He received Best Researcher Award from JNTUK University in 2018. He is senior member of IEEE and life member of IE and ISTE, India. His research areas include printed antennas, meta-materials, Ground penetrating Radar and Characteristic Mode Analysis.

Muntasir M. Sheikh, Department of Electrical and Computer Engineering King Abdulaziz University, Jeddah 21589, Saudi Arabia

Muntasir M. Sheikh received his B.Sc. from King Abdulaziz University, Saudi Arabia, in Electronics and Communications Engineering, M.Sc. in RF Communications Engineering from the University of Bradford, U.K., and Ph.D. from the University of Arizona, U.S.A. Since then, he has been teaching in the Electrical and Computer Engineering Dept. in KAU. His research interests are Antenna Theory and Design, Radar applications, and electromagnetic metamaterials.

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Published

2021-02-01

How to Cite

Rabah W. Aldhaheri, Ibrahim S. Alruhaili, Kamili J. Babu, & Muntasir M. Sheikh. (2021). A Compact CPW-Fed UWB Antenna with Dual-Band Notched Characteristics for WiMAX/WLAN Applications. The Applied Computational Electromagnetics Society Journal (ACES), 36(2), 145–151. Retrieved from https://journals.riverpublishers.com/index.php/ACES/article/view/7363

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