Lens-enhanced phased array antenna system for high directivity beam-steering

Abbas Abbaspour-Tamijani, Lisha Zhang, George Pan, Helen K. Pan, Hossein Alavi

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

11 Scopus citations

Abstract

This paper investigates a hybrid steerable antenna topology composed of a small phased array and a significantly larger planar lens-array. The phased array antenna creates an electronically steerable beam, and the lens-array further confines the beam to enhance its directivity. The feasibility of this approach is examined via a 60 GHz design example based on a 4 4 phased array and a 24 24 lens-array. It is observed that adding the lens-array improves the directivity by 2.5-6 dB for beams within 45 of the boresight direction. Since the lens consumes no power and it may be manufactured inexpensively, this improvement comes at very little cost. The overall depth of the system in this example is 1 cm, which is quite small compared to typical lens-based systems. These characteristics make the proposed topology suitable for applications in laptop computers, tablets PC's, PDAs, flat screen TVs and similar products.

Original languageEnglish (US)
Title of host publication2011 IEEE International Symposium on Antennas and Propagation - Proceedings
Pages3275-3278
Number of pages4
DOIs
StatePublished - Nov 1 2011
Event2011 IEEE International Symposium on Antennas and Propagation and USNC/URSI National Radio Science Meeting, APSURSI 2011 - Spokane, WA, United States
Duration: Jul 3 2011Jul 8 2011

Publication series

NameIEEE Antennas and Propagation Society, AP-S International Symposium (Digest)
ISSN (Print)1522-3965

Other

Other2011 IEEE International Symposium on Antennas and Propagation and USNC/URSI National Radio Science Meeting, APSURSI 2011
CountryUnited States
CitySpokane, WA
Period7/3/117/8/11

Keywords

  • beam-steering
  • lens antenna
  • lens-array
  • millimeter-wave antennas
  • phased array

ASJC Scopus subject areas

  • Electrical and Electronic Engineering

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    Abbaspour-Tamijani, A., Zhang, L., Pan, G., Pan, H. K., & Alavi, H. (2011). Lens-enhanced phased array antenna system for high directivity beam-steering. In 2011 IEEE International Symposium on Antennas and Propagation - Proceedings (pp. 3275-3278). [5997234] (IEEE Antennas and Propagation Society, AP-S International Symposium (Digest)). https://doi.org/10.1109/APS.2011.5997234