A leaky-wave antenna for beam steering in forward and backward directions

D. K. Karmokar, K. P. Esselle, D. N. P. Thalakotuna, M. Heimlich, L. Matekovits

Research output: Chapter in Book/Report/Conference proceedingConference proceeding contributionpeer-review

11 Citations (Scopus)
1 Downloads (Pure)

Abstract

A half-width microstrip leaky-wave antenna (HW-MLWA) is designed with forward (broadside-endfire) and backward (broadside-backfire) scanning capability. One feed and 50 ω load are connected at each end of the radiating element with a simple feed network and controlled switches that allow the antenna to scan in both forward and backward directions. The main beam is steered at any operating frequency by changing the admittance between the free edge of the radiating element and the ground. This is done by connecting 30 lumped capacitors (1 pF each) to the free edge of the radiating element with a total of 30 switches and vias. The antenna can scan a range of 34° in both forward and backward directions.

Original languageEnglish
Title of host publicationIEEE 2013 Tencon - Spring, TENCON Spring 2013 - Conference Proceedings
Place of PublicationPiscataway, NJ
PublisherInstitute of Electrical and Electronics Engineers (IEEE)
Pages47-50
Number of pages4
ISBN (Print)9781467363495
DOIs
Publication statusPublished - 2013
Event2013 1st IEEE TENCON Spring Conference, TENCONSpring 2013 - Sydney, NSW, Australia
Duration: 17 Apr 201319 Apr 2013

Other

Other2013 1st IEEE TENCON Spring Conference, TENCONSpring 2013
CountryAustralia
CitySydney, NSW
Period17/04/1319/04/13

Keywords

  • reconfigurable antenna
  • leaky-wave antenna
  • forward scanning
  • backward scanning
  • cognitive radio

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