An optical beam former for smart antennas in mobile broadband communication
by A.P. Kabilan, P. Elizabeth Caroline, X. Susan Christina
International Journal of Mobile Communications (IJMC), Vol. 7, No. 6, 2009

Abstract: The design and simulation of a Micro Electro Mechanical Systems (MEMS)-based Optical Signal Processing (OSP) beam former for cellular network base stations are reported in this paper. The modulated optical signal destined for a mobile terminal is split into eight equal-intensity signals. Each signal is weighted by controlling the phase and amplitude using a pair of micromirrors driven by electrostatic comb drive actuators. The processed optical signal is heterodyned with a phase-locked local optical signal. The resulting weighted microwave signal is then fed to the corresponding element of the 1 × 8 antenna array. The radiation patterns of the proposed multibeam-forming network are simulated using MATLAB and SIMULINK.

Online publication date: Fri, 22-May-2009

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