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Abstract
The renewable energy sources are used in a wide spread nowadays. So it is fruitful to study the ability of feeding a telecommunication staion with a stand alone photovoltatic (PV) system. Radio repeater are digital radio signal amplifer, which increase the connection reliability of mobile telephones within radio cells and raise the accessibility level throughout the network.Inrular areas and in muountainous regions, repeaters often have to install and operated at sites remote from the public electricity grid