Low-cost and accurate broadband beamforming based on narrowband sub-arrays

Abdullah Alshammary, Stephan Weiss

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

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Simplified broadband beamformers can be constructed by sharing a single tapped-delay-line within a narrowband subarray. This paper discusses the use of fractional delay filters to a steering in the digital domain. For the narrowband subarrays, an optimisation approach is proposed to maintain an off-broadside look direction constraint as best as possible across a given frequency range. We demonstrate the advantage that this approach has for generating beamformers with accurate off-broadside look direction compared to a benchmark.
Original languageEnglish
Title of host publication20th International ITG Workshop on Smart Antennas WSA 2016
Number of pages6
Publication statusPublished - 11 Mar 2016
EventInternational ITG/IEEE Workshop on Smart Antennas - https://www.events.tum.de/?sub=33, Munich, Germany
Duration: 9 Mar 201611 Mar 2016


ConferenceInternational ITG/IEEE Workshop on Smart Antennas
Abbreviated titleWSA


  • broadband beamformers
  • narrowband sub-array
  • beamformers


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