Polarization isolation between two center-feed single-layer waveguide arrays arranged side-by-side

We have proposed a FWA system for short range high speed communication with full reuse of frequency based upon high polarization isolation inherent to planar slotted waveguide arrays. Two center feed single layer slotted waveguide arrays with orthogonal linear polarization are used for transmitting and receiving, respectively. Cross polarization of less than -30 dB of a single antenna and a good isolation of about -80 dB between two antennas arranged side-by-side is observed. Propagation data should be accumulated in future.