Microcell MIMO RoF system using low cost array antennas and improved DFB matching lines
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Dual-polarised microstrip flat panel antennas suited for radio-over-fibre (RoF) micro-cellular distribution systems are presented. The antenna units are intended to be low-cost and compact, provide reasonable gain, and serve the 4G-long term evolution (LTE) wireless band in a Manhattan scenario. A design study has been carried out to assess the effects of mutual coupling between the required sectors for the scenario. Return loss, isolation on dual ports, and radiation patterns are shown. Improved matching lines for optimum optical fibre link gains using cost/performance units are also introduced.
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