Design Of High Performance Wide Band Rotman Lens In X-Band

International Journal of P2P Network Trends and Technology (IJPTT)          
© 2015 by IJPTT Journal
Volume - 5 Issue - 2
Year of Publication : 2015
Authors : AlirezaBayat, ShayanKajbafVala, Ashkan Soleimani


AlirezaBayat, ShayanKajbafVala, Ashkan Soleimani "Design Of High Performance Wide Band Rotman Lens In X-Band". International Journal of P2P Network Trends and Technology (IJPTT), V5(2):28-32 Mar - Apr 2015, ISSN:2249-2615,, Published by Seventh Sense Research Group.


In this paper a Rotman lens consisting of 13 beamports and 10 array ports offers a phase shift from -50 degree to +50 degree with 7.5 degree step in X band is presented. The structure of lens has been simulated using MATLAB and optimized with help of Genetic Algorithm then results have been imported to CST Microwave Studio and simulated. For reducing phase error, path-lengths have been optimized using Advanced Design System (ADS). By this way the magnitude error of different frequency is limited within 3 dB.


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rotman lens; beamforming network; x-band; wide scanning.