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                            Library & Multimedia
 Three-Dimensional Microfabricated Broadband Patch Antenna for WiGig Applications
NCJ Number
              249344
Journal

*IEEE Antennas and Wireless Propagation Letters* Volume: 13 Dated: 2014 Pages: 828-831
Author(s)
          H.  Mopidevi;
                        H.V.  Hunerli;
                        E.  Cagatay;
                        N.  Biyikli;
                        M.  Imbert;
                        J.  Romeu;
                        L.  Jofre;
                        B.A.  Cetiner
Date Published

2014
Length
              4 pages
Annotation
              This article describes the design, microfabrication, and characterization of a broadband patch antenna capable of covering the entire IEEE 802.11ad (WiGig) frequency band (57-66 GHz).
Abstract
              A conductor-backed (CB) coplanar waveguide (CPW)-fed loop slot couples the energy to the patch antenna, resulting in a broad bandwidth. The feed circuitry, along with the loop, is formed on a quartz substrate (år = 3.9, tan ä = 0.0002 at 60 GHz), on top of which an SU-8-based three-dimensional (3-D) structure with air cavities is microfabricated. The patch metallization is deposited on top of this 3-D structure. While the main role of the structure made out of SU-8 material is to provide a mechanical support for the patch metallization, the antenna takes advantage of the air cavities underneath, thus resulting in an antenna substrate with a very low loss. This, in turn, improves the overall antenna performances. The simulated and measured impedance characteristics agree well, showing ~15 percent bandwidth. Also, the radiation pattern results demonstrate the integrity of radiation pattern with reasonably constant gain values (average ~6.4 dB) in the broadside direction over the entire WiGig band.  (Publisher abstract modified)
      
  
          Additional Details
Grant Number(s)
        2009-SQ-B9-K005


  
  
        
  Agencies
        NIJ-Sponsored


  
  
        
  Publication Type
        Test/Measurement
                                Report (Technical)
                                Report (Study/Research)
                                Report (Grant Sponsored)
                                Program/Project Description


  
  
        
  Award
        NEMS Integrated Reconfigurable Antenna operating at 150, 400, 700, 800, and 4900 MHz bands for Interoperable Public Safety Communications
    
  
  
Date Published: January 1, 2014
    
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