Adaptive beamforming of linear array antenna system with provision of sidelobe cancellation

M. R. A. Khandaker, Imdadul Islam, M. R. Amin

Research output: Chapter in Book/Report/Conference proceedingConference contribution

3 Citations (Scopus)

Abstract

In case of single element antennas like Yagi-Uda, spiral, dipole, horn etc. have very little capability of variation antenna gain pattern. For better directivity, electronic tracking and reshaping of beam, array antenna is widely used in wireless network. Relative magnitude of feed currents, relative phases/separation between antenna elements, geometry of array are responsible for the shape of radiation pattern. In this paper linear array antenna with adaptive algorithm is used to achieve desired gain pattern at a desired angle of arrival (AOA). Linearly constraint minimum variance (LCMV) algorithm can be used quite comfortably for a desired gain incorporating Lagrange multiplier but side lobes can not be cancelled properly. This paper deals with combination of LCMV, sidelobe cancellation, LMS algorithm to achieve derided antenna gain pattern keeping sidelobe below a threshold level.

Original languageEnglish
Title of host publication2007 10th International Conference on Computer and Information Technology
PublisherIEEE
ISBN (Electronic)9781424415519
ISBN (Print)9781424415502
DOIs
Publication statusPublished - 25 Jul 2008
Event10th International Conference on Computer and Information Technology 2007 - Dhaka, Bangladesh
Duration: 27 Dec 200729 Dec 2007

Conference

Conference10th International Conference on Computer and Information Technology 2007
Abbreviated titleICCIT 2007
Country/TerritoryBangladesh
CityDhaka
Period27/12/0729/12/07

Keywords

  • Antenna gain pattern
  • Lagrange multiplier and sidelobe
  • LCMV
  • Linear array

ASJC Scopus subject areas

  • Computer Science Applications
  • Software

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