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A multi-beam satellite scenario is considered along this paper to test for the benefits of dual polarization. Several Multiple Input Multiple Output (MIMO) transmitting schemes are proposed to deal with the dual polarization, where the results show that dual polarization is better employed as an interference rejection tool. Satellite systems operating in dual-polarization are a potential approach to make more efficient use of the available bandwidth. Indeed, two independent signals are transmitted on the same frequency band by means of two orthogonal polarizations.
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