Dual butler matrix active antenna system
This article describes a smart antenna system that employs low noise amplifiers and two cascaded Butler Matrices. The output signals from the first Butler Matrix, which acts as a beamforming network, have high gain and narrowbeam width for long distance communication while the outputs from the secon...
Main Authors: | , |
---|---|
Format: | Article |
Published: |
John Wiley & Sons, Ltd
2007
|
Subjects: |