Biblioteka Cyfrowa
Opis wydania
Reliability of line-of-sight radio-relay systems, Journal of Telecommunications and Information Technology, 2006, nr 1
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Opis :
The modern radio transmission systems are specifically designed for catching principally two main objectives: on one side to provide a radio solution for long distance where large configurations are required to fulfill the high capacity transmissions needs, on the other side to guarantee link quality as high as possible. The availability of a radio-relay system is dependent upon many factors and particularly upon: the reliability of equipment and propagation conditions. The article describes the wave propagation and equipment that determine the performance of a radio-relay path. National Institute of Telecommunications (NIT) carried out research on propagation phenomena on terrestrial path and exemplary results are described herewith. The availability of radio equipment based on the mean time between failures for equipment modules is presented too.
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