In future implementations of 5G systems , it is essential the use of the spectrum in the range of mm-Waves frequencies , in order to offer to the users the bandwidth proposed in the standard. However , using this frequency range lead to many technical difficulties in which the most important challenge is the critical attenuation of the signal in non-line-ofsight (NLOS) environments in indoor environments. Therefore is essential to plan strategies that allow us to mitigate the problem of signal attenuation in this kind of complex environments and ensure the viability of using this technology in short term. Then the objective of this research is the design of a passive reflector that allow us to redirect the energy of the transmitting antenna efficiently in order to avoid the obstacles of the environment , and therefore avoid excessive losses .

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