ITU-R P.525-2 PDF

RECOMMENDATION ITU-R P CALCULATION OF FREE-SPACE ATTENUATION. (). Rec. ITU-R P The ITU Radiocommunication. ITU-R P Foreword. The role of the Radiocommunication Sector is to ensure the rational, equitable, efficient and economical use of the radio- frequency. ITU-R P 1. ITU-R P *. (). . 1. 1. 1. 1. 2. ) .: d p = e. (1).: e.: (V/m).) 1(p.: (W).) 2(d.: (m).

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Characteristics of precipitation for propagation modeling. Unwanted emissions in the spurious domain. Radio-frequency channel arrangements for fixed wireless systems operating in the 10 GHz band.

ITU Recommendations

Radio-frequency channel arrangements for radio-relay systems operating in the 15 GHz band. Hypothetical reference digital path for radio-relay systems which may form part of an integrated services digital network with a capacity itu-d the second hierarchical level. Characteristics of digital fixed wireless systems below about 17 GHz. Vocabulary of terms for the fixed service. Radio-frequency channel arrangements for high-capacity fixed wireless systems operating in the lower 6 GHz 5 to 6 MHz band.

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P : Calculation of free-space attenuation

Bandwidths and unwanted emissions iti-r digital radio-relay systems. Attenuation by atmospheric gases. Radio-frequency channel arrangements for fixed wireless systems operating in the 8 GHz 7 to 8 MHz band. The radio refractive index: Radio-frequency arrangements for fixed service systems.

Radio-frequency channel arrangements for radio-relay systems operating in the 13 GHz frequency band. Radio-frequency channel arrangements for radio-relay systems operating in the 11 GHz band. Radio-frequency channel and block arrangements for fixed wireless systems operating in the 42 GHz Radio-frequency channel arrangements for fixed wireless systems operating in the 7 GHz 7 MHz band.

Availability objectives for real digital fixed wireless links used in 27 km hypothetical reference paths and connections. Radio-frequency channel arrangements for medium- and high-capacity digital fixed wireless systems operating in the upper 6 GHz 6 MHz band.

Propagation data and prediction methods required for the design of terrestrial line-of-sight systems.

ITU-R Standards

Calculation of free-space attenuation. Radio-frequency channel arrangements for radio-relay systems operating in the 23 GHz band. Radio-frequency arrangements for systems in the fixed service operating in the band Error performance and availability estimation for synchronous digital hierarchy terrestrial fixed wireless systems.

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Effects of multipath propagation on the design and operation of line-of-sight digital fixed wireless systems.

Radiation pattern of reference antennas for fixed wireless systems used for coordination studies and interference assessment in the frequency range between MHz and 70 GHz. Characteristics of fixed wireless systems operating in frequency bands above about 17 GHz.

Specific attenuation model for rain for use in prediction methods. Radio-frequency channel arrangements for fixed wireless systems operating in the 18 GHz frequency band. Radio-frequency arrangements for systems of the fixed service operating in the 38 GHz band.

Radio-frequency arrangements for systems of the fixed service operating in the 25, 26 it-r 28 GHz bands.