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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Kuo, J.W. Wang, Y.E. |
| Copyright Year | 2010 |
| Description | Author affiliation: Electrical Engineering, University of California, Los Angeles, CA, 90095, USA (Kuo, J.W.; Wang, Y.E.) |
| Abstract | Phased arrays are groups of antennas in which the relative phases of the feeding signals are varied so that a sharp radiation pattern of the array can be formed by reinforcing the radiated field in a particular direction while suppressed elsewhere. This property allows it to be widely used for radar and satellite communications. Traditionally, the high cost of the underlying complex feeding network and the number of the PA modules feeding the antennas has prevented it from wide use in commercial applications. On the other hand, W-band radar systems centered at 94GHz are gaining popularity as the smaller wavelength of electromagnetic waves at this frequency provides better resolution and higher gain for a fixed antenna aperture dimension. In this paper, a low cost W-band phased antenna array based on a single wafer packaging concept is proposed. The approach takes advantage of the modern GaAs integrated circuit fabrication capability to enable a wafer based phased array which provides W-band signal generation and radiation over the aperture. The electronic scanning capability of the phased array is constructed with the integration of the heterodyne-frequency scan [1–2] in elevation and conventional phase shift scanning in azimuth. To provide the lowest loss in RF signal distribution throughout the radiation aperture, an array of slotted waveguide is used, which couples the LO signal vertically to the wafer array, where W band sub-harmonic signal generation takes place. The architecture of the antenna array system package is summarized below and the main focus would be on the functionality and the performance of the on-wafer antenna array. |
| Starting Page | 1 |
| Ending Page | 4 |
| File Size | 1066032 |
| Page Count | 4 |
| File Format | |
| ISBN | 9781424449675 |
| ISSN | 15223965 |
| DOI | 10.1109/APS.2010.5561161 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2010-07-11 |
| Publisher Place | Canada |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Arrays Microprocessors Apertures Mixers Microwave antenna arrays |
| Content Type | Text |
| Resource Type | Article |
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